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@article {630,
title = {Mind the Time: Unleashing Temporal Aspects in Pattern Discovery},
journal = {Computers \& Graphics},
volume = {38},
year = {2014},
month = {02/2014},
pages = {38{\textendash}50},
abstract = {Temporal Data Mining is a core concept of Knowledge Discovery in Databases handling time-oriented data. State-of-the-art methods are capable of preserving the temporal order of events as well as the temporal intervals in between. The temporal characteristics of the events themselves, however, can likely lead to numerous uninteresting patterns found by current approaches. We present a new definition of the temporal characteristics of events and enhance related work for pattern finding by utilizing temporal relations, like meets, starts, or during, instead of just intervals between events. These prerequisites result in a new procedure for Temporal Data Mining that preserves and mines additional time-oriented information. Our procedure is supported by an interactive visual interface for exploring the patterns. Furthermore, we illustrate the effciency of our procedure presenting an benchmark of the procedure\’s run-time behavior. A usage scenario shows how the procedure can provide new insights.},
keywords = {Data Mining, Interactive Visualization, KDD, Pattern Finding, temporal data mining, Time-Oriented Data, Visual analytics},
doi = {10.1016/j.cag.2013.10.007},
url = {http://publik.tuwien.ac.at/files/PubDat_220406.pdf},
author = {Tim Lammarsch and Aigner, Wolfgang and Bertone, Alessio and Miksch, Silvia and Alexander Rind},
editor = {Jorge, Joaquim and Schuman, Heidrun and Margit Pohl and Hans-J{\"o}rg Schulz}
}
@proceedings {260,
title = {Problem Characterization and Abstraction for Visual Analytics in Behavior-Based Malware Pattern Analysis},
journal = {Proceedings of the Eleventh Workshop on Visualization for Cyber Security},
year = {2014},
month = {11/2014},
pages = {9 - 16},
publisher = {ACM},
edition = {VizSec {\textquoteright}14},
address = {Paris},
abstract = {Behavior-based analysis of emerging malware families involves finding suspicious patterns in large collections of execution traces. This activity cannot be automated for previously unknown malware families and thus malware analysts would benefit greatly from integrating visual analytics methods in their process. However existing approaches are limited to fairly static representations of data and there is no systematic characterization and abstraction of this problem domain. Therefore we performed a systematic literature study, conducted a focus group as well as semi-structured interviews with 10 malware analysts to elicit a problem abstraction along the lines of data, users, and tasks. The requirements emerging from this work can serve as basis for future design proposals to visual analytics-supported malware pattern analysis.},
keywords = {evaluation, malicious software, malware analysis, problem characterization and abstraction, Visual analytics},
issn = {978-1-4503-2826-5},
doi = {10.1145/2671491.2671498},
url = {http://mc.fhstp.ac.at/sites/default/files/publications/wagner_2014_VizSec_problem.pdf},
author = {Wagner, Markus and Aigner, Wolfgang and Rind, Alexander and Dornhackl, Hermann and Kadletz, Konstantin and Luh, Robert and Tavolato, Paul},
editor = {Harrison, Lane}
}
@proceedings {239,
title = {Qualizon Graphs: Space-Efficient Time-Series Visualization with Qualitative Abstractions},
journal = {Proceedings of the 12th International Working Conference on Advanced Visual Interfaces (AVI2014)},
year = {2014},
pages = {273-280},
publisher = {ACM},
abstract = {In several application fields, the joint visualization of quantitative data and qualitative abstractions can help analysts make sense of complex time series data by associating precise numeric values with corresponding domain-specific interpretations, such as good, bad, high, low, normal. At the same time, the need to analyse large multivariate time-oriented datasets often calls for keeping visualizations as compact as possible. In this paper, we introduce Qualizon Graphs, a compact visualization that combines quantitative data and qualitative abstractions. It is based on the well known Horizon Graphs, but instead of a predefined number of equally sized bands, it uses as many bands as qualitative categories with corresponding different sizes. In this way, Qualizon Graphs increase the data density of visualized quantitative values and inherently integrate qualitative abstractions. A user study shows that Qualizon Graphs are as fast and accurate as Horizon Graphs for quantitative data, and are an alternative to state-of-the-art visualizations for both quantitative and qualitative data, enabling a trade-off between speed and accuracy.},
keywords = {Experiment, Interactive Visualization, Time-Oriented Data, user study},
doi = {10.1145/2598153.2598172},
url = {http://publik.tuwien.ac.at/files/PubDat_228036.pdf},
author = {Federico, Paolo and Hoffmann, Stephan and Rind, Alexander and Aigner, Wolfgang and Miksch, Silvia}
}
@conference {262,
title = {Showing Important Facts to a Critical Audience by Means Beyond Desktop Computing},
booktitle = {Proceedings of the IEEE VIS 2014 Workshop on Envisioning Visualization without Desktop Computing},
year = {2014},
abstract = {Recent research in Visualization has focused mostly on data analysis systems for domain experts, but also considered presentation to external people in the form of storytelling. The established directions assume that the target audience has in inherent interest in the facts to be discovered, sometimes even to the point of them being willing to learn how to operate a complex visualization system and spend considerable time and effort. In reality, sometimes the opposite is true: people unwilling to face an inconvenient truth actively avert their eyes. As a solution, we propose the presentation of facts by experts who manage to gain a limited amount of attention by means of rapid and expressive visualization. Using conventional desktop systems, this method is hard to implement, but new visual channels will open up new possibilities.},
keywords = {information visualization, science fiction, Visual analytics},
url = {http://beyond.wallviz.dk/wp-content/uploads/2014/10/Submission1.pdf},
author = {Lammarsch, Tim and Aigner, Wolfgang and Miksch, Silvia and Rind, Alexander}
}
@proceedings {257,
title = {TimeCleanser: A Visual Analytics Approach for Data Cleansing of Time-Oriented Data},
journal = {14th International Conference on Knowledge Technologies and Data-driven Business (i-KNOW 2014)},
year = {2014},
pages = {1-8},
publisher = {ACM Press},
address = {Graz, Austria},
abstract = {<p>Poor data quality leads to unreliable results of any kind of data processing and has profound economic impact. Although there are tools to help users with the task of data cleansing, support for dealing with the specifics of time-oriented data is rather poor. However, the time dimension has very specific characteristics which introduce quality problems, that are different from other kinds of data. We present TimeCleanser, an interactive Visual Analytics system to support the task of data cleansing of ime-oriented data. In order to help the user to deal with these special characteristics and quality problems, TimeCleanser combines semi-automatic quality checks, visualizations, and directly editable data tables. The evaluation of the TimeCleanser system within a focus group (two target users, one developer, and two Human Computer Interaction experts) shows that (a) our proposed method is suited to detect hidden quality problems of time-oriented data and (b) that it facilitates the complex task of data cleansing.</p>},
keywords = {data quality, Design Study, Time-Oriented Data, Visual analytics},
isbn = {978-1-4503-2769-5/14/09},
doi = {10.1145/2637748.2638423},
author = {Theresia Gschwandtner and Aigner, Wolfgang and Miksch, Silvia and G{\"a}rtner, Johannes and Simone Kriglstein and Pohl, Margit and Suchy, Nikolaus},
editor = {Stefanie Lindstaedt and Michael Granitzer and Harald Sack}
}
@proceedings {255,
title = {User Tasks for Evaluation: Untangling the Terminology Throughout Visualization Design and Development},
journal = {Proceedings of the Fifth Workshop on Beyond Time and Errors: Novel Evaluation Methods for Visualization, BELIV},
year = {2014},
pages = {9{\textendash}15},
publisher = {ACM},
abstract = {User tasks play a pivotal role in evaluation throughout visualization design and development. However, the term {\textquoteleft}task{\textquoteright} is used ambiguously within the visualization community. In this position paper, we critically analyze the relevant literature and systematically compare definitions for {\textquoteleft}task{\textquoteright} and the usage of related terminology. In doing so, we identify a three-dimensional conceptual space of user tasks in visualization. Using these dimensions, visualization researchers can better formulate their contributions which helps advance visualization as a whole.},
keywords = {interaction, Reflections, taxonomy of tasks, terminology},
doi = {10.1145/2669557.2669568},
url = {http://mc.fhstp.ac.at/sites/default/files/publications/rind_2014_beliv_task_postprint.pdf},
author = {Rind, Alexander and Aigner, Wolfgang and Wagner, Markus and Miksch, Silvia and Lammarsch, Tim},
editor = {Lam, Heidi and Isenberg, Petra and Isenberg, Tobias and Sedlmair, Michael}
}
@conference {263,
title = {Visual Analytics Methods to Guide Diagnostics for Time Series Model Predictions},
booktitle = {Proceedings of the IEEE VIS 2014 Workshop Visualization for Predictive Analytics, VPA},
year = {2014},
abstract = {Visual Analytics methods are used to guide domain experts in the task of model selection through an interactive visual exploration environment with short feedback cycles. Evaluation showed the benefits of this approach. However, experts also expressed the demand for prediction capabilities as being already important during the model selection process. Furthermore, good model candidates might show only small variations in the information criteria and structures which are not easily recognizable in the residual plots. To achieve this, we propose TiMoVA-Predict to close the gap and to support different types of predictions with a Visual Analytics approach. Providing prediction capabilities in addition to the information criteria and the residual plots, allows for interactively assessing the predictions during the model selection process via an visual exploration environment.},
keywords = {model selection, time series analysis, time series prediction, Visual analytics},
url = {http://predictive-workshop.github.io/papers/vpa2014_7.pdf},
author = {B{\"o}gl, Markus and Aigner, Wolfgang and Filzmoser, Peter and Gschwandtner, Theresia and Lammarsch, Tim and Miksch, Silvia and Rind, Alexander},
editor = {Perer, Adam and Bertini, Enrico and Maciejewski, Ross and Sun, Jimeng}
}
@conference {249,
title = {Visualizing Sets and Set-typed Data: State-of-the-Art and Future Challenges},
booktitle = {Eurographics conference on Visualization (EuroVis){\textendash} State of The Art Reports},
year = {2014},
month = {2014},
publisher = {Eurographics},
organization = {Eurographics},
address = {Swansea, UK},
abstract = {A variety of data analysis problems can be modelled by defining multiple sets over a collection of elements and analyzing the relations between these sets. Despite their simple concept, visualizing sets is a non-trivial problem due to the large number of possible relations between them. We provide a systematic overview of state-of-the-art techniques for visualizing different kinds of set relations. We classify these techniques into 7 main categories according to the visual representations they use and the tasks they support. We compare the categories to provide guidance for choosing an appropriate technique for a given problem. Finally, we identify challenges in this area that need further research and propose possible directions to address these challenges.},
url = {http://publik.tuwien.ac.at/files/PubDat_228538.pdf},
author = {Bilal Alsallakh and Luana Micallef and Aigner, Wolfgang and Hauser, Helwig and Miksch, Silvia and Peter Rodgers},
editor = {Rita Borgo and Ross Maciejewski and Ivan Viola}
}
@thesis {aigner_2013_habil,
title = {{Interactive Visualization and Data Analysis: Visual Analytics With a Focus on Time}},
year = 2013,
note = {Habilitation Thesis},
school = {Vienna University of Technology, Institute of Software Technology and Interactive Systems},
author = {Aigner, Wolfgang}
}
@article {miksch_cag_2014,
title = {A Matter of Time: Applying a Data-Users-Tasks Design Triangle to Visual Analytics of Time-Oriented Data},
journal = {Computers \& Graphics},
volume = {38},
year = {2014},
note = {Available online 16 November 2013:
accepted manuscript (unformatted and unedited PDF): http://authors.elsevier.com/sd/article/S0097849313001817},
pages = {286-290},
keywords = {interaction design, Interactive Visualization, temporal data mining, Time-Oriented Data, Visual analytics},
doi = {10.1016/j.cag.2013.11.002},
url = {http://authors.elsevier.com/sd/article/S0097849313001817},
author = {Miksch, Silvia and Aigner, Wolfgang}
}
@article {607,
title = {Radial Sets: Interactive Visual Analysis of Large Overlapping Sets},
journal = {IEEE Transactions on Visualization and Computer Graphics (Proceedings of InfoVis)},
volume = {19},
year = {2013},
month = {12/2013},
pages = {2496-2505},
publisher = {IEEE},
location = {Atlanta},
keywords = {Multi-valued attributes, overlapping sets, scalability, set-typed data, visualization technique},
doi = {10.1109/TVCG.2013.184},
url = {http://publik.tuwien.ac.at/files/PubDat_219617.pdf},
author = {Bilal Alsallakh and Aigner, Wolfgang and Miksch, Silvia and Hauser, Helwig}
}
@article {608,
title = {Visual Analytics for Model Selection in Time Series Analysis},
journal = { IEEE Transactions on Visualization and Computer Graphics, Special Issue "VIS 2013"},
volume = {19},
year = {2013},
month = {12/2013},
pages = {2237-2246},
keywords = {coordinated \& multiple views, model selection, time series analysis, Visual analytics, visual interaction},
issn = {1077-2626},
doi = {10.1109/TVCG.2013.222},
url = {http://publik.tuwien.ac.at/files/PubDat_220251.pdf},
author = {B{\"o}gl, Markus and Aigner, Wolfgang and Peter Filzmoser and Tim Lammarsch and Miksch, Silvia and Rind, Alexander}
}
@article {rind_2013_vast_timebench,
title = {TimeBench: A Data Model and Software Library for Visual Analytics of Time-Oriented Data},
journal = { IEEE Transactions on Visualization and Computer Graphics, Special Issue "VIS 2013"},
volume = {19},
year = {2013},
month = {12/2013},
pages = {2247-2256},
keywords = {information visualization, software infrastructure, temporal data, time, toolkits, Visual analytics},
doi = {10.1109/TVCG.2013.206},
url = {http://publik.tuwien.ac.at/files/PubDat_219700.pdf},
attachments = {http://www.cvast.tuwien.ac.at/sites/default/files/20131018_VIS_TimeBench_for-web.pdf},
author = {Rind, Alexander and Tim Lammarsch and Aigner, Wolfgang and Bilal Alsallakh and Miksch, Silvia}
}
@conference {TUW-219086,
title = {Current Work Practice and Users{\textquoteright} Perspectives on Visualization and Interactivity in Business Intelligence},
booktitle = {Proceedings of 17th International Conference on Information Visualisation (IV13)},
year = {2013},
month = {07/2013},
pages = {299-306},
publisher = {IEEE Computer Society Press},
organization = {IEEE Computer Society Press},
location = {London, UK},
keywords = {information visualization, Interactivity, qualitative empirical study, Visual Business Intelligence},
url = {http://publik.tuwien.ac.at/files/PubDat_219086.pdf},
author = {Aigner, Wolfgang}
}
@conference {lammarsch2013interactive,
title = {Interactive Visual Transformation for Symbolic Representation of Time-oriented Data},
booktitle = {Proceedings of the International Conference on Human Factors in Computing \& Informatics (SouthCHI 2013)},
year = {2013},
month = {07/2013},
publisher = {Springer},
organization = {Springer},
location = {Maribor},
keywords = {Data Mining, Data Simplification, KDD, Visual analytics},
url = {http://publik.tuwien.ac.at/files/PubDat_218044.pdf},
author = {Tim Lammarsch and Aigner, Wolfgang and Bertone, Alessio and B{\"o}gl, Markus and Theresia Gschwandtner and Miksch, Silvia and Rind, Alexander},
editor = {Holzinger, Andreas and Ziefle, Martina and Glavini{\'c}, Vlado}
}
@conference {598,
title = {Mind the Time: Unleashing the Temporal Aspects in Pattern Discovery},
booktitle = {Fourth International Eurovis Workshop on Visual Analytics held in Europe (EuroVA 2013)},
year = {2013},
note = {<br />
},
month = {06/2013},
pages = {31-35},
publisher = {IEEE Computer Society Press},
organization = {IEEE Computer Society Press},
location = {Leipzig, Germany},
doi = {10.2312/PE.EuroVAST.EuroVA13.031-035},
url = {http://publik.tuwien.ac.at/files/PubDat_218046.pdf},
author = {Tim Lammarsch and Aigner, Wolfgang and Bertone, Alessio and Miksch, Silvia and Rind, Alexander},
editor = {Pohl, Margit and Schuman, Heidrun}
}
@article {aigner_2013_evalbench,
title = {EvalBench: A Software Library for Visualization Evaluation},
journal = {Computer Graphics Forum},
volume = {32},
number = {3},
year = {2013},
note = {Source code: http://www.evalbench.org},
month = {06/2013},
pages = {41-50},
keywords = {Evaluation/methodology, Information Interfaces and Presentation, User Interfaces},
issn = {1467-8659},
doi = {10.1111/cgf.12091},
url = {http://publik.tuwien.ac.at/files/PubDat_217457.pdf},
author = {Aigner, Wolfgang and Hoffmann, Stephan and Rind, Alexander}
}
@conference {Federico_VAW11,
title = {Visual Analytics of Dynamic Networks - A Case Study},
booktitle = {The Third International UKVAC Workshop on Visual Analytics (VAW 2011)},
year = {2011},
location = {London},
url = {http://publik.tuwien.ac.at/files/PubDat_ 198994.pdf},
author = {Federico, Paolo and Aigner, Wolfgang and Miksch, Silvia and Windhager, Florian and Zenk, Lukas}
}
@article {rind_2013_fnthci_ehrvis,
title = {Interactive Information Visualization to Explore and Query Electronic Health Records},
journal = {Foundations and Trends in Human-Computer Interaction},
volume = {5},
year = {2013},
note = {A printed and bound version of this article is available at a special discount price of US\$35 from Now Publishers.
This can be obtained by entering the promotional code HCI011039 on the order form at now publishers.
},
month = {02/2013},
pages = {207-298},
isbn = {978-1-60198-642-9},
issn = {1551-3955},
doi = {10.1561/1100000039},
url = {http://publik.tuwien.ac.at/files/PubDat_214284.pdf},
author = {Rind, Alexander and Wang, Taowei David and Aigner, Wolfgang and Miksch, Silvia and Wongsuphasawat, Krist and Plaisant, Catherine and Shneiderman, Ben}
}
@article {VAST2012,
title = {Reinventing the Contingency Wheel: Scalable Visual Analytics of Large Categorical Data},
journal = {IEEE Transactions on Visualization and Computer Graphics (Proceedings of IEEE VAST 2012)},
volume = {18},
number = {12},
year = {2012},
note = {Best paper honorable mention},
month = {12/2012},
pages = {2849-2858},
chapter = {2849 },
abstract = {Contingency tables summarize the relations between categorical variables and arise in both scientific and business domains. Asymmetrically large two-way contingency tables pose a problem for common visualization methods. The Contingency Wheel has been recently proposed as an interactive visual method to explore and analyze such tables. However, the scalability and readability of this method are limited when dealing with large and dense tables. In this paper we present Contingency Wheel++, new visual analytics methods that overcome these major shortcomings: (1) regarding automated methods, a measure of association based on Pearson\’s residuals alleviates the bias of the raw residuals originally used, (2) regarding visualization methods, a frequency-based abstraction of the visual elements eliminates overlapping and makes analyzing both positive and negative associations possible, and (3) regarding the interactive exploration environment, a multi-level overview+detail interface enables exploring individual data items that are aggregated in the visualization or in the table using coordinated views. We illustrate the applicability of these new methods with a use case and show how they enable discovering and analyzing nontrivial patterns and associations in large categorical data.
},
keywords = {Visual analytics},
doi = {10.1109/TVCG.2012.254},
url = {http://publik.tuwien.ac.at/files/PubDat_209191.pdf},
author = {Bilal Alsallakh and Aigner, Wolfgang and Miksch, Silvia and Eduard Gr{\"o}ller},
editor = {Ming Lin and Min Chen and George Drettakis}
}
@article {aigner2012semtimezoom-eval,
title = {Comparative Evaluation of an Interactive Time-Series Visualization that Combines Quantitative Data with Qualitative Abstractions},
journal = {Computer Graphics Forum},
volume = {31},
number = {3},
year = {2012},
note = {The definitive version is available at http://diglib.eg.org/.
},
month = {06/2012},
pages = {995-1004},
publisher = {Blackwell Publishing},
abstract = {In many application areas, analysts have to make sense of large volumes of multivariate time-series data. Explorative analysis of this kind of data is often difficult and overwhelming at the level of raw data. Temporal data abstraction reduces data complexity by deriving qualitative statements that reflect domain-specific key characteristics. Visual representations of abstractions and raw data together with appropriate interaction methods can support analysts in making their data easier to understand. Such a visualization technique that applies smooth semantic zooming has been developed in the context of patient data analysis. However, no empirical evidence on its effectiveness and efficiency is available. In this paper, we aim to fill this gap by reporting on a controlled experiment that compares this technique with another visualization method used in the well-known KNAVE-II framework. Both methods integrate quantitative data with qualitative abstractions whereas the first one uses a composite representation with color-coding to display the qualitative data and spatial position coding for the quantitative data. The second technique uses juxtaposed representations for quantitative and qualitative data with spatial position coding for both. Results show that the test persons using the composite representation were generally faster, particularly for more complex tasks that involve quantitative values as well as qualitative abstractions.
},
keywords = {Evaluation/methodology, Information Interfaces and Presentation, User Interfaces},
issn = {0167-7055},
doi = {10.1111/j.1467-8659.2012.03092.x},
url = {http://publik.tuwien.ac.at/files/PubDat_207563.pdf},
author = {Aigner, Wolfgang and Rind, Alexander and Hoffmann, Stephan}
}
@article {pohl_2012_analysing,
title = {Analysing Interactivity in Information Visualisation},
journal = {KI - K{\"u}nstliche Intelligenz},
volume = {26},
year = {2012},
pages = {151-159},
abstract = {Modern information visualisation systems do not only support interactivity but also increasingly complex problem solving. In this study we compare two interactive information visualisation systems: VisuExplore and Gravi++. By analysing logfiles we were able to identify sets of activities and interaction patterns users followed while working with these systems. These patterns are an indication of strategies users adopt to find solutions. Identifying such patterns may help in improving the design of future information visualisation systems.},
keywords = {evaluation, information visualisation, problem solving, software logging},
issn = {0933-1875, 1610-1987},
doi = {10.1007/s13218-012-0167-6},
url = {http://publik.tuwien.ac.at/files/PubDat_215206.pdf},
author = {Pohl, Margit and Wiltner, Silvia and Miksch, Silvia and Aigner, Wolfgang and Rind, Alexander}
}
@conference {507,
title = {Challenges of Time-oriented Data in Visual Analytics for Healthcare},
booktitle = {IEEE VisWeek Workshop on Visual Analytics in Healthcare },
year = {2012},
pages = {4},
publisher = {IEEE},
url = {http://publik.tuwien.ac.at/files/PubDat_210197.pdf},
author = {Aigner, Wolfgang and Federico, Paolo and Theresia Gschwandtner and Miksch, Silvia and Rind, Alexander},
editor = {Jesus J. Caban and David Gotz}
}
@conference {lammarsch_2012_task-framework,
title = {Developing an Extended Task Framework for Exploratory Data Analysis Along the Structure of Time},
booktitle = {Proceedings of the EuroVis Workshop on Visual Analytics (EuroVA 2012)},
year = {2012},
publisher = {Eurographics},
organization = {Eurographics},
location = {Vienna, Austria},
url = {http://publik.tuwien.ac.at/files/PubDat_207621.pdf},
author = {Tim Lammarsch and Rind, Alexander and Aigner, Wolfgang and Miksch, Silvia},
editor = {Matkovic, Kresimir and Santucci, Guiseppe}
}
@inbook {Smuc_HCV2012,
title = {How do you connect moving dots? Insights from user studies on Dynamic Network Visualizations},
booktitle = {Handbook of Human Centric Visualization},
year = {2013},
pages = {623-650},
publisher = {Springer},
organization = {Springer},
location = {New York, USA},
isbn = {978-1-4614-7484-5},
doi = {10.1007/978-1-4614-7485-2_25},
author = {Smuc, Michael and Federico, Paolo and Windhager, Florian and Aigner, Wolfgang and Zenk, Lukas and Miksch, Silvia},
editor = {Huang, Weidong}
}
@misc {rind_2012_eurova_timerider,
title = {Static and Dynamic Visual Mappings to Explore Bivariate Data Across Time},
journal = {EuroVA 2012 Poster Proceedings},
year = {2012},
pages = {3},
publisher = {Eurographics},
location = {Vienna},
url = {http://publik.tuwien.ac.at/files/PubDat_207731.pdf},
author = {Rind, Alexander and Neubauer, Barbara and Aigner, Wolfgang and Miksch, Silvia},
editor = {Matkovic, K. and Santucci, Guiseppe}
}
@conference {gschwandtner:cdares:2012,
title = {A Taxonomy of Dirty Time-Oriented Data},
booktitle = {Lecture Notes in Computer Science (LNCS 7465): Multidisciplinary Research and Practice for Information Systems (Proceedings of the CD-ARES 2012)},
year = {2012},
pages = {58 -- 72},
publisher = {Springer, Berlin / Heidelberg},
location = {Prague, Czech Republic},
abstract = {Data quality is a vital topic for business analytics in order to gain accurate insight and make correct decisions in many data-intensive industries. Albeit systematic approaches to categorize, detect, and avoid data quality problems exist, the special characteristics of time-oriented data are hardly considered. However, time is an important data dimension with distinct characteristics which affords special consideration in the context of dirty data. Building upon existing taxonomies of general data quality problems, we address dirty time-oriented data, i.e., time-oriented data with potential quality problems. In particular, we investigated empirically derived problems that emerge with different types of time-oriented data (e.g., time points, time intervals) and provide various examples of quality problems of time-oriented data. By providing categorized information related to existing taxonomies, we establish a basis for further research in the field of dirty time-oriented data, and for the formulation of essential quality checks when preprocessing time-oriented data.},
keywords = {data cleansing, data quality, dirty data, taxonomy, Time-Oriented Data},
isbn = {978-3-642-32497-0},
doi = {10.1007/978-3-642-32498-7_5},
url = {http://publik.tuwien.ac.at/files/PubDat_209199.pdf},
author = {Theresia Gschwandtner and G{\"a}rtner, Johannes and Aigner, Wolfgang and Miksch, Silvia},
editor = {Gerald Quirchmayr and Josef Basl and Ilsun You and Lida Xu and Edgar Weippl}
}
@conference {Federico_AVI2012,
title = {Vertigo Zoom: Combining Relational and Temporal Perspectives on Dynamic Networks},
booktitle = {Proceedings of the 11th International Working Conference on Advanced Visual Interfaces (AVI2012)},
year = {2012},
pages = {437-440},
publisher = {ACM},
location = {Capri Island (Naples), Italy},
abstract = {A well-designed visualization of dynamic networks has to support the analysis of both temporal and relational features at once. In particular to solve complex synoptic tasks, the users need to understand the topological structure of the network, its evolution over time, and possible interdependencies. In this paper, we introduce the application of the vertigo zoom interaction technique, derived from filmmaking, to information visualizations. When applied to a two-and-a-half-dimensional view, this interaction technique enables smooth transitions between the relational perspective (node-link diagrams and scatter plots) and the time perspective (trajectories and line charts), supporting a seamless visual analysis and preserving the user's mental map.
},
isbn = {978-1-4503-1287-5},
doi = {http://dx.doi.org/10.1145/2254556.2254640},
url = {http://publik.tuwien.ac.at/files/PubDat_206924.pdf},
author = {Federico, Paolo and Aigner, Wolfgang and Miksch, Silvia and Windhager, Florian and Smuc, Michael}
}
@conference {Federico_poster_EuroVA2012,
title = {ViENA: Visual Enterprise Network Analytics},
booktitle = {Poster Proceedings of the 3rd International Workshop on Visual Analytics (EuroVA)},
year = {2012},
pages = {12},
location = {Vienna, Austria},
url = {http://publik.tuwien.ac.at/files/PubDat_208040.pdf},
author = {Federico, Paolo and Aigner, Wolfgang and Miksch, Silvia and Pfeffer, J{\"u}rgen and Smuc, Michael and Windhager, Florian and Zenk, Lukas},
editor = {Matkovic, Kresimir and Santucci, Guiseppe}
}
@inproceedings{Federico_ASONAM2012,
author = {Federico, Paolo and Pfeffer, J{\"u}rgen and Aigner, Wolfgang and Miksch, Silvia and Zenk, Lukas},
title = {{Visual Analysis of Dynamic Networks using Change Centrality}},
booktitle = {Proceedings of the International Conference on Advances in Social Networks Analysis and Mining (ASONAM)},
year = {2012},
pages = {179--183},
publisher = {IEEE},
url = {http://publik.tuwien.ac.at/files/PubDat_208039.pdf},
isbn = {978-1-4673-2497-7},
doi = {10.1109/ASONAM.2012.39},
SKIPnote = {talk: The IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM), Istanbul, Turkey; 2012-08-26 -- 2012-08-29}
}
@inbook {Windhager_KMH2012,
title = {Visual Knowledge Networks Analytics},
booktitle = {Knowledge Management Handbook},
year = {2012},
pages = {187{\textendash}206},
publisher = {CRC Press},
organization = {CRC Press},
isbn = {978-1-43-987803-3},
doi = {10.1201/b12285-12},
url = {http://dx.doi.org/10.1201/b12285-12},
author = {Windhager, Florian and Smuc, Michael and Zenk, Lukas and Federico, Paolo and Pfeffer, J{\"u}rgen and Aigner, Wolfgang and Miksch, Silvia},
editor = {Liebowitz, Jay}
}
@article {aigner_2011_cgf_bertin-was-right,
title = {Bertin was Right: An Empirical Evaluation of Indexing to Compare Multivariate Time-Series Data Using Line Plots},
journal = {Computer Graphics Forum},
volume = {30},
number = {1},
year = 2011,
month = {2011},
pages = {215--228},
publisher = {Blackwell Publishing},
location = {Oxford, UK},
keywords = {empirical evaluation, H.5.2 [Information Interfaces And Presentation (e.g., HCI)]: User Interfaces-Evaluation/methodology, indexing, information visualization, line plot, time-series},
issn = {0167-7055},
doi = {10.1111/j.1467-8659.2010.01845.x},
url = {http://publik.tuwien.ac.at/files/PubDat_198120.pdf},
author = {Aigner, Wolfgang and Kainz, Christian and Ma, Rui and Miksch, Silvia}
}
@conference {aigner:eurova:2011,
title = {Understanding the Role and Value of Interaction: First Steps},
booktitle = {Proc. of the International Workshop on Visual Analytics (EuroVA 2011)},
year = 2011,
month = {05/2011},
pages = {17--20},
publisher = {The Eurographics Association},
REMOVE-organization = {The Eurographics Association},
location = {Bergen, Norway},
abstract = {Visual Analytics strongly emphasizes the importance of interaction. However, until now, interaction is only spar- ingly treated as subject matter on its own. How and why interactivity is beneficial to gain insight and make decisions is mostly left in the dark. Due to this lack of initial direction, it seems important to make further attempts in facilitating a deeper understanding of the concept of interactivity. Therefore, different perspectives towards interactivity are discussed and cognitive theories and models are investigated. The main aim of this paper is to broaden the view on interaction and spark further discussion towards a sound theoretical grounding for the field.
},
keywords = {H.5.2 [Information Interfaces And Presentation (e.g., HCI)]: User Interfaces{\textemdash}Theory and methods},
isbn = {978-3-905673-82-1},
attachments = {http://www.cvast.tuwien.ac.at/sites/default/files/aigner_2011_understanding-interaction.pdf , http://www.cvast.tuwien.ac.at/sites/default/files/aigner_2011_eurova_poster.pdf},
author = {Aigner, Wolfgang},
editor = {Miksch, Silvia and Giuseppe Santucci}
}
@conference {schneider_2011_a-plan,
title = {A-Plan: Integrating Interactive Visualization With Automated Planning for Cooperative Resource Scheduling},
booktitle = {Proceedings of International Conference on Knowledge Management and Knowledge Technologies (I-KNOW), Special Track on Theory and Applications of Visual Analytics (TAVA)},
year = 2011,
pages = {44:1--44:8},
publisher = {ACM},
REMOVE-organization = {ACM},
location = {Graz, Austria},
keywords = {Optimization, Resource Scheduling, Visual analytics},
isbn = {978-1-4503-0732-1},
doi = {10.1145/2024288.2024341},
url = {http://publik.tuwien.ac.at/files/PubDat_198182.pdf},
author = {Schneider, Thomas and Aigner, Wolfgang}
}
@conference {gschwandtner:pacificvis:2011,
title = {CareCruiser: Exploring and Visualizing Plans, Events, and Effects Interactively},
booktitle = {4th IEEE Pacific Visualization Symposium},
year = 2011,
pages = {43--50},
location = {Hongkong},
attachments = {http://www.cvast.tuwien.ac.at/sites/default/files/pacificvis2011_gschwandtner_0.pdf , http://www.cvast.tuwien.ac.at/sites/default/files/carecruiser_0_0.jpg},
author = {Theresia Gschwandtner and Aigner, Wolfgang and Katharina Kaiser and Miksch, Silvia and Andreas Seyfang}
}
@conference {gschwandtner:bcs_hci:2011,
title = {Design and Evaluation of an Interactive Visualization of Therapy Plans and Patient Data},
booktitle = {Proc. of the BCS HCI Conference},
year = 2011,
author = {Theresia Gschwandtner and Aigner, Wolfgang and Katharina Kaiser and Miksch, Silvia and Andreas Seyfang}
}
@conference {TUW-203979,
title = {Patient Development at a Glance: An Evaluation of a Medical Data Visualization},
booktitle = {Proceedings of 13th IFIP TC 13 International Conference on Human-Computer Interaction (INTERACT 2011), Part IV},
year = 2011,
pages = {292{\textendash}299},
publisher = {Springer},
keywords = {interaction techniques, medical data, time-orientated data, user study, visual exploration},
isbn = {978-3-642-23767-6},
doi = {10.1007/978-3-642-23768-3},
url = {http://publik.tuwien.ac.at/files/PubDat_203979.pdf},
author = {Pohl, Margit and Wiltner, Sylvia and Rind, Alexander and Aigner, Wolfgang and Miksch, Silvia and Turic, Thomas and Drexler, Felix},
editor = {Campos, Pedro and Graham, Nicholas and Jorge, Joaquim and Nunes, Nuno and Palanque, Philippe and Winckler, Marco}
}
@conference {lammarsch:eurova:2011,
title = {Towards a Concept how the Structure of Time Can Support the Visual Analytics Process},
booktitle = {Proc. of the International Workshop on Visual Analytics (EuroVA 2011)},
year = 2011,
pages = {9--12},
url = {http://publik.tuwien.ac.at/files/PubDat_196860.pdf},
author = {Tim Lammarsch and Aigner, Wolfgang and Bertone, Alessio and Miksch, Silvia and Rind, Alexander},
editor = {Miksch, Silvia and Giuseppe Santucci}
}
@conference {Federico_TAVA2011,
title = {A Visual Analytics Approach to Dynamic Social Networks},
booktitle = {Proceedings of the 11th International Conference on Knowledge Management and Knowledge Technologies (i-KNOW), Special Track on Theory and Applications of Visual Analytics (TAVA)},
year = 2011,
pages = {47:1{\textendash}47:8},
publisher = {ACM},
REMOVE-organization = {ACM},
location = {Graz, Austria},
abstract = {The visualization and analysis of dynamic networks have become increasingly important in several fields, for instance sociology or economics. The dynamic and multi-relational nature of this data poses the challenge of understanding both its topological structure and how it changes over time. In this paper we propose a visual analytics approach for analyzing dynamic networks that integrates: a dynamic layout with user-controlled trade-off between stability and consistency; three temporal views based on different combinations of node-link diagrams (layer superimposition, layer juxtaposition, and two-and-a-half dimensional view); the visualization of social network analysis metrics; and specific interaction techniques for tracking node trajectories and node connectivity over time. This integration of visual, interactive, and automatic methods supports the multifaceted analysis of dynamically changing networks.
},
keywords = {dynamic layout, dynamic networks, graph drawing, information visualization, interaction, social network analysis, Visual analytics},
isbn = {978-1-4503-0732-1},
doi = {10.1145/2024288.2024344},
url = {http://publik.tuwien.ac.at/files/PubDat_198995.pdf},
author = {Federico, Paolo and Aigner, Wolfgang and Miksch, Silvia and Windhager, Florian and Zenk, Lukas}
}
@conference {rind_2011_usab_visuexplore,
title = {Visual Exploration of Time-oriented Patient Data for Chronic Diseases: Design Study and Evaluation},
booktitle = {Proceedings of USAB 2011: Information Quality in e-Health},
year = 2011,
pages = {301{\textendash}320},
publisher = {Springer},
REMOVE-organization = {Springer},
keywords = {information visualization, interaction techniques, medical information systems, Time-Oriented Data, user study, visual exploration},
isbn = {978-3-642-25363-8},
doi = {10.1007/978-3-642-25364-5_22},
url = {http://publik.tuwien.ac.at/files/PubDat_200644.pdf},
author = {Rind, Alexander and Aigner, Wolfgang and Miksch, Silvia and Wiltner, Sylvia and Pohl, Margit and Turic, Thomas and Drexler, Felix},
editor = {Holzinger, Andreas and Simonic, Klaus-Martin}
}
@book {aigner:vistime:2011,
title = {Visualization of Time-Oriented Data},
series = {Human-Computer Interaction},
year = 2011,
pages = {286},
publisher = {Springer Verlag},
REMOVE-organization = {Springer Verlag},
SKIPedition = {1st},
location = {London, UK},
abstract = {Time is an exceptional dimension that is common to many application domains such as medicine, engineering, business, science, biography, history, planning, or project management. Understanding time-oriented data enables us to learn from the past in order to predict, plan, and build the future. Due to the distinct characteristics of time, appropriate visual and analytical methods are required to explore and analyze them.
<div class="springerHTML">
This book starts with an introduction to visualization and a number of historical examples of visual representations. At its core, the book presents and discusses a systematic view of the visualization of time-oriented data. This view is structured along three key questions. While the aspects of time and associated data describe <i>what</i> is being visualized, user tasks are related to the question <i>why</i> something is visualized. These characteristics and tasks determine <i>how </i>the visualization is to be designed. To support visual exploration, interaction techniques and analytical methods are required as well, which are discussed in separate chapters. The concepts explained in this book are illustrated with numerous examples.
A large part of this book is devoted to a structured survey of existing techniques for visualizing time and time-oriented data. Overall, 101 different visualization techniques are presented on a per-page basis; each of these self-contained descriptions is accompanied by an illustration and corresponding references.\ This survey serves as a reference for scientists conducting related research as well as for practitioners seeking information on how their time-oriented data can best be visualized in order to gain valuable insights.
</div>
},
keywords = {Analysis, Computer-Generated Visual Representations, Human-computer Interaction, Time-Oriented Data, User, Visual analytics, Visualization},
isbn = {978-0-85729-078-6},
doi = {10.1007/978-0-85729-079-3},
url = {http://www.timeviz.net},
author = {Aigner, Wolfgang and Miksch, Silvia and Schumann, H. and Tominski, C.}
}
@conference {TUW-198184,
title = {Visually Exploring Multivariate Trends in Patient Cohorts Using Animated Scatter Plots},
booktitle = {Ergonomics and Health Aspects of Work with Computers, Proceedings of the International Conference held as part of HCI International 2011},
year = 2011,
pages = {139{\textendash}148},
publisher = {Springer},
REMOVE-organization = {Springer},
location = {Heidelberg},
abstract = {The effectiveness of animation in visualization is an interesting research topic that led to contradicting results in the past. On top of that, we are facing three additional challenges when exploring patient cohorts: irregular sampling, data wear, and data sets covering different portions of time. We present TimeRider, an improved animated scatter plot for cohorts of diabetes patients that tackles these challenges along with its evaluation with physicians. Results show that animation does support physicians in their work and provide further domain-specific evidence in the discussion on the effectiveness of animation.
},
keywords = {animation, information visualization, medical data, time},
isbn = {978-3-642-21715-9},
doi = {10.1007/978-3-642-21716-6_15},
url = {http://publik.tuwien.ac.at/files/PubDat_198184.pdf},
author = {Rind, Alexander and Aigner, Wolfgang and Miksch, Silvia and Wiltner, Sylvia and Pohl, Margit and Drexler, Felix and Neubauer, Barbara and Suchy, Nikolaus},
editor = {Robertson, Michelle M.}
}
@conference {Bertone_2010__DoesJasonBourneneedVisualAnalyticstocatchtheJackal?,
title = {Does Jason Bourne need Visual Analytics to catch the Jackal?},
booktitle = {Proceedings of International Symposium on Visual Analytics Science and Technology (EuroVAST 2010) in conjunction with EuroVis 2010},
year = 2010,
month = {June},
pages = {61{\textendash}67},
type = {Refereed Conference \& Workshop Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2010/EuroVast2010/Final\%20Submission/EuroVast\%20-\%20Final\%20Accepted.pdf},
author = {Bertone, Alessio and Tim Lammarsch and Turic, Thomas and Aigner, Wolfgang and Miksch, Silvia},
editor = {Kohlhammer, J{\"o}rn and Keim, Daniel}
}
@conference {Bertone_2010__MuTIny:AMulti-TimeIntervalPatternDiscoveryApproachToPreserveTheTemporalInformationInBetween,
title = {MuTIny: A Multi-Time Interval Pattern Discovery Approach To Preserve The Temporal Information In Between},
booktitle = {European Conference on Data Mining (ECDM{\textquoteright}10)},
year = 2010,
month = {July},
pages = {101{\textendash}106},
type = {Refereed Conference \& Workshop Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2010/ECDM2010/Final\%20Submission/Bertone\%20-\%20ECDM\%20Final\%20short\%20paper.pdf},
author = {Bertone, Alessio and Tim Lammarsch and Turic, Thomas and Aigner, Wolfgang and Miksch, Silvia and G{\"a}rtner, Johannes}
}
@conference {Rind_2010__VisuExplore:GainingNewMedicalInsightsfromVisualExploration,
title = {VisuExplore: Gaining New Medical Insights from Visual Exploration},
booktitle = {Proceedings of the 1st International Workshop on Interactive Systems in Healthcare (WISH at CHI2010)},
year = 2010,
pages = {149-152},
type = {Refereed Conference \& Workshop Articles},
isbn = {9780982628485},
url = {http://publik.tuwien.ac.at/files/PubDat_190298.pdf},
author = {Rind, Alexander and Miksch, Silvia and Aigner, Wolfgang and Turic, Thomas and Pohl, Margit},
editor = {Hayes, Gillian R and Tan, Desney S}
}
@conference {Rind_2010__VisuExplore:GewinnungneuermedizinischerErkenntnissedurchvisuelleExploration,
title = {VisuExplore: Gewinnung neuer medizinischer Erkenntnisse durch visuelle Exploration},
booktitle = {Tagungsband der eHealth2010: Health Informatics meets eHealth},
year = 2010,
pages = {273-278},
publisher = {OCG},
REMOVE-organization = {OCG},
type = {Refereed Conference \& Workshop Articles},
location = {Vienna},
url = {http://publik.tuwien.ac.at/files/PubDat_190161.pdf},
author = {Rind, Alexander and Aigner, Wolfgang and Turic, Thomas and Miksch, Silvia and Pohl, Margit},
editor = {Schreier, G and Hayn, D and Ammenwerth, Elske}
}
@conference {Mayr_2010_usab_MappingtheUsersProblemSolvingStrategiesintheParticipatoryDesignofVisualAnalyticsMethods,
title = {{Mapping the Users{\textquoteright} Problem Solving Strategies in the Participatory Design of Visual Analytics Methods}},
booktitle = {Proceedings of 6th Symposium of the Workgroup Human-Computer Interaction and Usability Engineering of the Austrian Computer Society (USAB 2010)},
year = 2010,
type = {Refereed Conference \& Workshop Articles},
author = {Mayr, Eva and Smuc, Michael and Risku, Hanna and Aigner, Wolfgang and Bertone, Alessio and Tim Lammarsch and Miksch, Silvia}
}
@article {Smuc_2009_ToScoreOrNotToScore,
title = {To Score or Not to Score? Tripling Insights for Participatory Design},
journal = {IEEE Computer Graphics and Applications},
volume = {29},
number = {3},
doi = {10.1109/MCG.2009.53},
year = 2009,
month = {May},
pages = {29{\textendash}38},
publisher = {IEEE Computer Society Press},
url = {http://ike.donau-uni.ac.at/publications/PDF/2009/smuc_2009_ToScoreOrNotToScore.pdf},
author = {Smuc, Michael and Mayr, Eva and Tim Lammarsch and Aigner, Wolfgang and Miksch, Silvia and G{\"a}rtner, Johannes}
}
@conference {Lammarsch_2009__HierarchicalTemporalPatternsandInteractiveAggregatedViewsforPixelbasedVisualizations,
title = {Hierarchical Temporal Patterns and Interactive Aggregated Views for Pixel-based Visualizations},
booktitle = {Proceedings of 13th International Conference on Information Visualisation (IV09)},
year = 2009,
pages = {44{\textendash}49},
publisher = {IEEE Computer Society Press},
REMOVE-organization = {IEEE Computer Society Press},
type = {Refereed Conference \& Workshop Articles},
abstract = {
Many real-world problems involve time-oriented data. Time data is different from other kinds of data\–-explicitly harnessing the structures of time in visualizations can guide and support users\&$\#$39; visual analysis processes. State-of-theart visualizations hardly take advantage of the structures of time to aid users in understanding and exploring the data. To bring more flexibility to the analysis process, we have developed interactive visual methods incorporating the structures of time within a pixel-based visualization called GROOVE (granular overview overlay). GROOVE uses different techniques to visualize time-oriented data by overlaying several time granularities in one visualization and provides interactive operators, which utilize the structures of time in different ways to capture and explore time-oriented data.
},
keywords = {granularities, GROOVE, pixel-based visualizations, structures of time, Time-Oriented Data},
url = {http://ike.donau-uni.ac.at/publications/PDF/2009/lammarsch2009_htpaiavfpv.pdf},
author = {Tim Lammarsch and Aigner, Wolfgang and Bertone, Alessio and G{\"a}rtner, Johannes and Mayr, Eva and Miksch, Silvia and Smuc, Michael}
}
@conference {Aigner_2009_chi_InteractivelyExploringTime-OrientedData,
title = {Interactively Exploring Time-Oriented Data},
booktitle = {Workshop Notes of CHI 2009 workshop "Interacting with temporal data" at Conference on Human Factors in Computing Systems (CHI 2009)},
year = 2009,
publisher = {ACM Press},
REMOVE-organization = {ACM Press},
type = {Refereed Conference \& Workshop Articles},
abstract = {Time is an important data dimension with distinct characteristics that is common across many application domains. This demands specialized methods in order to support proper analysis and visualization to explore trends, patterns, and relationships in different kinds of time-oriented data. The human perceptual system is highly sophisticated and specifically suited to spot visual patterns. For this reason, visualization is successfully applied in aiding these tasks and to date a variety of different visualization methods for time-oriented data exist. However, these methods could be improved by accounting for the special characteristics of time. The main aim of our current research is to account for the complex structures of time in visual representations, analysis, and the visualization process. Especially important are interaction methods that aid analysts when dealing with time-oriented data in visualization systems.
},
url = {http://ike.donau-uni.ac.at/publications/PDF/2009/CHI09/final/aigner_chi09_interacting-time.pdf},
author = {Aigner, Wolfgang and Bertone, Alessio and Tim Lammarsch and Miksch, Silvia and Rind, Alexander}
}
@conference {Gaertner_2009_VisualAnalyticsForWorkforceRequirements,
title = {Visual Analytics for Workforce Requirements},
booktitle = {Accepted extended abstract at 19th International Symposium on Shiftwork and Working Time and Well-being in the 24-h Society, Venezia, Italy},
volume = {29(3)},
year = 2009,
pages = {29{\textendash}38},
REMOVE-organization = {IEEE Computer Graphics \& Application},
type = {Refereed Conference \& Workshop Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2009/Symposium\%20on\%20Shiftwork\%20and\%20Working\%20Time\%20and\%20Well-being\%20in\%20the\%2024-h\%20Society/Visual\%20Demand02.pdf},
author = {G{\"a}rtner, Johannes and Aigner, Wolfgang and Bertone, Alessio and Klausner, Robert and Tim Lammarsch and Mayr, Eva and Miksch, Silvia and Risku, Hanna and Smuc, Michael}
}
@conference {Aigner_2009__InfoVisWiki,
title = {{InfoVis:Wiki (http://www.infovis-wiki.net): A Community Platform for Information Visualization}},
booktitle = {Proceedings of VisWeek 2009 workshop {\textquoteleft}{\textquoteleft}Putting Visualization on the Web{\textquoteright}{\textquoteright}},
year = 2009,
type = {Refereed Conference \& Workshop Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2009/visweek_2009/Workshop\%20-\%20Visualization\%20on\%20the\%20Web/submission/aigner_2009_infovis-wiki.pdf},
author = {Aigner, Wolfgang and Rind, Alexander and Miksch, Silvia}
}
@mastersthesis {Aigner2009,
title = {{Assessing the Role and Value of Interactivity in Visual Business Intelligence {\textendash} A User{\textquoteright}s Perspective}},
year = 2009,
note = {Supervisor: Hanna Risku (Danube University Krems)},
school = {Danube University Krems, Austria},
REMOVE-type = {mastersTheses},
abstract = {The development and success of many organizations to a large extent depend on how well and how timely they manage to gain insight into collected data. Business Intelligence (BI) provides methods for analyzing business-critical information and suppor ts decision-making processes. But the ever growing amounts of data and information clearly overwhelm traditional manual methods of data analysis such as spreadsheets, standard repor ting or simple diagrams. One possibility to face this problem is Information Visualization (InfoVis). By utilizing the powerful human perceptual system that is extremely efficient in processing visual input, visualization, for example, can help to make sense of data, explore complex information spaces or spot patterns and relationships within the data. Interactivity or the possibility to engage in an active discourse with the representation lies at the core of Information Visualization. However, empirical evidence and detailed approaches to model the concept of interactivity are largely missing in research today. This thesis is a first step towards bridging this gap and approaching the concept of interactivity more in depth. In order to do so, a twofold approach was chosen. First, the concept of interactivity was investigated from a theoretical point of view. In par ticular, cognitive theories and models were analyzed in order to determine their ability to explain and predict the value and role of interactivity in visual methods. Second, a qualitative empirical study was conducted among six IT-managers working in the field of Business Intelligence to assess the current practice at work concerning visual methods and interactivity. The main results are that cognitive theories and models do not explicitly account for the role of interactivity but rather concentrate on modeling the elements of a cognitive system and explaining how these entities interact with each other to achieve a cer tain goal. How different types of interactivity influence these processes is usually not par t of the theories, and the effect of interactivity on cognitive processes was hardly ever mentioned. Apart from that, the empirical study showed that interactive visual methods in the area of Business Intelligence aren{\textquoteright}t used ver y often. One of the main reasons repor ted is the fact that visualization is still two steps ahead and at the moment mostly more basic problems concerning data gathering, data modeling and data quality prevail. Moreover, most users are used to work with numbers and tables and are not aware of the possibilities in terms of visualization. However, the inter viewed IT-managers acknowledged that using more interactive visual methods in Business Intelligence would be beneficial for users.},
keywords = {Business Intelligence, information visualization, Interactivity, Visual Business Intelligence},
url = {http://ike.donau-uni.ac.at/publications/PDF/2009/MasterThesis_Interactivity-Visual-BI/aigner_2009_ckm09_interactive-visual-bi_core.pdf},
author = {Aigner, Wolfgang}
}
@incollection {Schratt_2009_IKE-TR-2009-02_UmfragezuBusiness-Intelligence-Weiterbildung,
title = {{Umfrage zu Business-Intelligence-Weiterbildung}},
number = {IKE-TR-2009-02},
year = 2009,
publisher = {Danube University Krems},
type = {Technical Reports},
author = {Schratt, Alexander and Aigner, Wolfgang}
}
@incollection {Aigner_2008_timnesupgrade_VieleAugensehenmehr,
title = {{Viele Augen sehen mehr}},
booktitle = {TIMNEWSupgrade},
volume = {42},
number = {2},
issn = {1992-6146},
year = 2008,
month = {September},
pages = {8},
type = {Miscellaneous Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/timnewsupgrade_2008/timnewsupgrade\%20_2008_2/final/aigner_2008_timnews0802_vis-masses.pdf},
author = {Aigner, Wolfgang}
}
@conference {Smuc_2008_VisualizationsatFirstSight,
title = {Visualizations at First Sight: Do Insights Require Traininig?},
booktitle = {Proceedings of 4th Symposium of the Workgroup Human-Computer Interaction and Usability Engineering of the Austrian Computer Society (USAB 2008)},
year = 2008,
month = {November},
pages = {261{\textendash}280},
publisher = {Springer},
REMOVE-organization = {Springer},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/paper_USAB08_2008-09-15_final.pdf},
author = {Smuc, Michael and Mayr, Eva and Tim Lammarsch and Bertone, Alessio and Aigner, Wolfgang and Risku, Hanna and Miksch, Silvia}
}
@incollection {Aigner_2008_timnesupgrade_VisuExplore-GewinnungneuerMedizinischerErkenntnissedurchvisuelleExploration,
title = {VisuExplore - Gewinnung neuer Medizinischer Erkenntnisse durch visuelle Exploration},
booktitle = {TIMNEWSupgrade},
volume = {41},
number = {1},
year = 2008,
month = {March},
pages = {24},
type = {Miscellaneous Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/aigner_VisuExplore-timnews-p.24_0801.pdf},
author = {Aigner, Wolfgang}
}
@incollection {Schratt_2008_timnesupgrade_Ratgeber-Infografikenprofessionellgestalten-Teil1:EineEinfuehrung,
title = {{Ratgeber: Infografiken professionell gestalten - Teil 1: Eine Einf{\"u}hrung}},
booktitle = {TIMNEWSupgrade},
volume = {41},
number = {1},
year = 2008,
month = {March},
pages = {10},
type = {Miscellaneous Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/aigner_ratgeber-infografiken-1.teil-timnews-p.10_0801.pdf},
author = {Schratt, Alexander and Aigner, Wolfgang}
}
@conference {Lammarsch_2008__AComparisonofProgrammingPlatformsforInteractiveVisualizationinWebBrowserBasedApplications,
title = {A Comparison of Programming Platforms for Interactive Visualization in Web Browser Based Applications},
booktitle = {Proceedings of 12th International Conference on Information Visualisation (IV08)},
year = 2008,
month = {July},
pages = {194{\textendash}199},
publisher = {IEEE Computer Society Press},
REMOVE-organization = {IEEE Computer Society Press},
type = {Refereed Conference \& Workshop Articles},
abstract = {
Recently, web browser based applications have become very popular in many domains. However, the specific requirements of interactive Information Visualization (InfoVis) applications in terms of graphics performance and interactivity have not yet been investigated systematically in this context. In order to assess browser-based application platforms, we provide a systematic comparison of server-based rendering, Java applets, Flash, and Silverlight from several points of view. We aim to aid InfoVis developers in choosing the appropriate technology for their needs.
},
keywords = {Flash, Information, InfoVis, Java, Silverlight, Visualization},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/lammarscht-PlatformsForVisualization.pdf},
author = {Tim Lammarsch and Aigner, Wolfgang and Bertone, Alessio and G{\"a}rtner, Johannes and Miksch, Silvia and Turic, Thomas}
}
@conference {Wohlfart_2008__ComparingInformationVisualizationToolsFocusingontheTemporalDimensions,
title = {{Comparing Information Visualization Tools Focusing on the Temporal Dimensions}},
booktitle = {Proceedings of 12th International Conference on Information Visualisation (IV08)},
year = 2008,
month = {July},
pages = {69{\textendash}74},
type = {Refereed Conference \& Workshop Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/Wohlfart\%20-\%20\%20Comparison_short.pdf},
author = {Wohlfart, Eva and Aigner, Wolfgang and Bertone, Alessio and Miksch, Silvia}
}
@article {Aigner_2007_tvcg_VisualMethodsforAnalyzing,
title = {{Visual Methods for Analyzing Time-Oriented Data}},
journal = {Transactions on Visualization and Computer Graphics},
volume = {14},
number = {1},
doi = {10.1109/TVCG.2007.70415},
year = 2008,
pages = {47{\textendash}60},
publisher = {IEEE Computer Society Press},
type = {Refereed Journal Articles},
abstract = {Providing appropriate methods to facilitate the analysis of time-oriented data is a key issue in many application domains. In this paper, we focus on the unique role of the parameter time in the context of visually driven data analysis. We will discuss three major concerns \Ð visualization, analysis, and the user. It will be illustrated that it is necessary to consider the characteristics of time when generating visual representations. For that purpose we take a look at different types of time and present visual examples. Integrating visual and analytical methods has become an increasingly important issue. Therefore, we present our experiences in temporal data abstraction, principal component analysis, and clustering of larger volumes of time-oriented data. The third main aspect we discuss is supporting user-centered visual analysis. We describe event-based visualization as a promising means to adapt the visualization pipeline to needs and tasks of users.
},
keywords = {Analysis, Time-Oriented Data, User, Visualization},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/tvcg/final/aigner_2006_tvcg_vis-time.pdf},
author = {Aigner, Wolfgang and Miksch, Silvia and M{\"u}ller, Wolfgang and Schumann, H. and Tominski, C.}
}
@inbook {Aigner_2008_imia_VisualizationTechniquestoSupportAuthoringExecutionandMaintenanceofClinicalGuidelines,
title = {{Visualization Techniques to Support Authoring, Execution, and Maintenance of Clinical Guidelines}},
booktitle = {Computer-Based Medical Guidelines and Protocols: A Primer and Current Trends},
year = 2008,
pages = {140{\textendash}159},
publisher = {IOS Press, Health Technology and Informatics},
REMOVE-organization = {IOS Press, Health Technology and Informatics},
type = {Contributions in Books},
isbn = {978-1-58603-873-1},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/aigner_2008_VisuCGP.pdf},
author = {Aigner, Wolfgang and Katharina Kaiser and Miksch, Silvia},
editor = {ten Teije, Annette and Lucas, Peter and Miksch, Silvia}
}
@incollection {Schratt_2008_visweek_BodyofKnowledgeforVisualAnalyticsEducation,
title = {Body of Knowledge for Visual Analytics Education},
booktitle = {Workshop at VisWeek 2008},
year = 2008,
note = {Refereed Abstract},
keywords = {Data Analysis, Education, Visual analytics, Visualization},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/schratt_2008_visweek_workshop-visual-analytics-course.pdf},
author = {Schratt, Alexander and Aigner, Wolfgang and Bertone, Alessio and Miksch, Silvia}
}
@incollection {Aigner_2008_IKE-TR-2008-1_IM4VM,
title = {{IM4VM - Optimierung der Leitung von Meetings in virtuellen Teams mit Fokus auf Instant Messaging Technologie}},
number = {IKE-TR-2008-1},
year = 2008,
note = {227 pages},
publisher = {Danube University Krems},
type = {Technical Reports},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/IKE-TR-2008-1_IM4VM.pdf},
author = {Aigner, Wolfgang and Fadrany, Ully and Moehrke, Georg}
}
@incollection {Schratt_2008_ocg_VisualAnalytics:InteraktivevisuelleDatenanalyseerfordertumfangreicheQualifikationen,
title = {{Visual Analytics: Interaktive visuelle Datenanalyse erfordert umfangreiche Qualifikationen}},
booktitle = {OCG Journal},
year = 2008,
type = {Miscellaneous Articles},
keywords = {Interaktive visuelle Datenananlyse, Visual analytics},
url = {http://ike.donau-uni.ac.at/publications/PDF/2008/schratt_2008_ocg_journal-visual-analytics.pdf},
author = {Schratt, Alexander and Aigner, Wolfgang and Miksch, Silvia and Bertone, Alessio}
}
@incollection {Aigner_2007_timnews_Kommandozeile2.0-Totgesagtelebenlaenger,
title = {{Kommandozeile 2.0 - Totgesagte leben l{\"a}nger}},
booktitle = {TIMNEWSupgrade},
volume = {40},
number = {2},
year = 2007,
month = {September},
pages = {10},
type = {Miscellaneous Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/timnewsupgrade_2007/timnewsupgrade_2007_2/aigner_kommandozeile/aigner_2007_timnews_kommandozeile.pdf},
author = {Aigner, Wolfgang}
}
@incollection {Aigner_2007_timnesupgrade_SehenundVerstehen,
title = {{Sehen und Verstehen - Bekanntes belegen - Unbekanntes entdecken}},
booktitle = {TIMNEWSupgrade},
volume = {39},
number = {1},
year = 2007,
month = {March},
pages = {3{\textendash}4},
type = {Miscellaneous Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/timnewsupgrade_2007/timnewsupgrade_2007_1/TIMNEWSupgrade\%200107\%20S3-4.pdf},
author = {Aigner, Wolfgang}
}
@incollection {aigner_2007_timnewsupgrade_interview-schumann,
title = {{Visual Analytics - quo vadis? (an interview with Heidrun Schumann)}},
booktitle = {TIMNEWSupgrade},
volume = {39},
number = {1},
year = 2007,
month = {March},
pages = {8{\textendash}9},
type = {Miscellaneous Articles},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/timnewsupgrade_2007/timnewsupgrade_2007_1/aigner_2007_timnews_interview-schumann.pdf},
author = {Aigner, Wolfgang}
}
@incollection {martin_2007_online-fahrplaene,
title = {{Stand der Technik der Abfrage und Repr{\"a}sentation von Online Fahr- und Flugpl{\"a}nen}},
number = {Asgaard-TR-2007-3},
year = 2007,
note = {39 pages},
month = {June},
publisher = {Vienna University of Technology},
type = {Technical Reports},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/Asgaard-TR-2007-3\%20Online\%20Fahrplaene/final/Asgaard-TR-2007-3\%20Online\%20Fahrplaene.pdf},
author = {Martin, Markus and Aigner, Wolfgang and Miksch, Silvia}
}
@article {Aigner_2007_c-g_VisualizingTime-OrientedData,
title = {{Visualizing Time-Oriented Data - A Systematic View}},
journal = {Computers \& Graphics},
volume = {31},
number = {3},
year = 2007,
month = {June},
doi = {10.1016/j.cag.2007.01.030},
pages = {401{\textendash}409},
publisher = {Elsevier},
type = {Refereed Journal Articles},
abstract = {The analysis of time-oriented data is an important task in many application scenarios. In recent years, a variety of techniques for visualizing such data have been published. This variety makes it difficult for prospective users to select methods or tools that are useful for their particular task at hand. In this article, we develop and discuss a systematic view on the diversity of methods for visualizing time-oriented data. With the proposed categorization we try to untangle the visualization of time-oriented data, which is such an important concern in Visual Analytics. The categorization is not only helpful for users, but also for researchers to identify future tasks in Visual Analytics.
},
keywords = {Time-orienteddata, Visual analytics, Visualization},
url = {http://www.donau-uni.ac.at/imperia/md/content/department/ike/ike_publications/2007/refereedjournalarticles/aigner_2007_cg_visualizing-time-oriented-data.pdf},
author = {Aigner, Wolfgang and Miksch, Silvia and M{\"u}ller, Wolfgang and Schumann, H. and Tominski, C.}
}
@conference {Tomitsch_2007__AConcepttoSupportSeamlessSpectatorParticipationinSportsEventsBasedonWearableMotionSensors,
title = {{A Concept to Support Seamless Spectator Participation in Sports Events Based on Wearable Motion Sensors}},
booktitle = {Proceedings of the 2nd International Conference on Pervasive Computing and Applications (ICPCA07)},
year = 2007,
month = {July},
pages = {209{\textendash}214},
publisher = {IEEE Computer Society Press},
REMOVE-organization = {IEEE Computer Society Press},
type = {Refereed Conference \& Workshop Articles},
abstract = {We present a novel concept for an audience voting system for judged sports events. It is based on wireless wearable motion sensors utilizing the natural behaviour of sports spectators ? clapping and cheering. This paper describes initial results from a user study that guided our design process. We further present two preliminary prototypes focusing on hardware and design feasibility respectively. Results confirm our assumption that the system does not provide objective results, but has the potential to increase the spectator experience by giving audience members the feeling of being part of the voting process.},
keywords = {Audience participation, spectator experience, Spectator participation, wireless motion sensors},
isbn = {978-1-4244-0971-6},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/icpca_2007/final/tomitsch_2007_icpc_spectator-participation.pdf},
author = {Tomitsch, Martin and Aigner, Wolfgang and Grechenig, Thomas}
}
@conference {Aigner_2007_winter-simulation-conference_TowardsaConceptualFramework,
title = {{Towards a Conceptual Framework for Visual Analytics of Time and Time-Oriented Data}},
booktitle = {Proceedings of the 2007 Winter Simulation Conference},
year = 2007,
note = {invited Paper},
month = {December},
pages = {721{\textendash}729},
type = {Refereed Conference \& Workshop Articles},
abstract = {The analysis of time-oriented data is an important task in many application scenarios. In recent years, a variety of techniques for visualizing such data have been published. This variety makes it difficult for prospective users to select methods or tools that are useful for their particular task at hand. In this article, we develop and discuss a systematic view on the diversity of methods for visualizing time-oriented data. With the proposed categorization we try to untangle the visualization of time-oriented data, which is such an important concern in Visual Analytics. The categorization is not only helpful for users, but also for researchers to identify future tasks in Visual Analytics.},
keywords = {Analysis, Conceptual, framework, time, Time-Oriented Data, Visual analytics, Visualization},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/wsc07/final/aigner_2007_wintersim_framework.pdf},
author = {Aigner, Wolfgang and Bertone, Alessio and Miksch, Silvia and Schumann, H. and Tominski, C.},
editor = {Henderson, S. G. and Biller, B. and Hsieh, M. and Shortle, J. and Tew, J. D. and Barton, R. R.}
}
@incollection {prohaska_2007_glyphs,
title = {{Glyphs and Visualization of Multivariate Data}},
number = {Asgaard-TR-2007-2},
year = 2007,
note = {21 pages},
month = {August},
publisher = {Vienna University of Technology},
type = {Technical Reports},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/Asgaard-TR-2007-2\%20Glyphs/final/Asgaard-TR-2007-2\%20Glyphs.pdf},
author = {Prohaska, Georg and Aigner, Wolfgang and Miksch, Silvia}
}
@inbook {Aigner_2007_ocg_InfoVis:Wiki,
title = {{InfoVis:Wiki - Eine Informations- und Diskussionsplattform f{\"u}r die InfoVis-Community}},
booktitle = {Wikis im Social Web},
series = {OCG Schriftenreihe},
year = 2007,
isbn = {978-3-90258-003-8},
pages = {112{\textendash}127},
publisher = {OCG},
REMOVE-organization = {OCG},
type = {Contributions in Books},
abstract = {Bei relativ neuen wissenschaftlichen Fachrichtungen ist es schwierig sich einen \Überblick zu verschaffen, weil viele Strukturen, Teilbereiche und Fachbegriffe erst im Entstehen sind, sich dynamisch ver\ändern und durch Innovationen und neue Erkenntnisse erweitert werden. Aus diesem Grund wurde im Herbst 2005 eine Initiative ins Leben gerufen, um eine gut sortierte Sammlung von n\ützlichen Informationen f \ür den Fachbereich Informationsvisualisierung (InfoVis) zu schaffen. Dieser Fachbereich besch\äftigt sich mit dem Umgang und der Kommunikation von abstrakten (nichtr\äumlichen) Daten mittels interaktiver, visueller Repr\äsentationen. Der vorliegene Beitrag beschreibt einerseits die konkrete Entstehung und Entwicklung des InfoVis:Wiki und andererseits allgemeine Herausforderungen und Probleme beim Design und Betrieb von Wiki Systemen.
},
keywords = {community Plattform, Informationsvisualisierung, InfoVis, Wiki},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/ocg-wikis-im-social-web/infovis-wiki/final/aigner_2007_infovis-wiki.pdf},
author = {Aigner, Wolfgang and Hinum, Klaus and Miksch, Silvia},
editor = {Stockinger, Johann}
}
@inbook {Hoisl_2007_ocg_SozialeBelohnung,
title = {{Soziale Belohnung in Wiki Systemen}},
booktitle = {Wikis im Social Web},
series = {OCG Schriftenreihe},
year = 2007,
isbn = {978-3-90258-003-8},
pages = {60{\textendash}72},
publisher = {OCG},
REMOVE-organization = {OCG},
type = {Contributions in Books},
abstract = {Online-Communities haben eines gemeinsam: Ihr Erfolg steht und f\ällt mit der Teilnahmerate ihrer Benutzer. f\ür viele Online-Communities ist der Nutzermangel ein fundamentales Problem. In diesem Artikel wird auf bestimmte Methoden der sozialen Belohnung eingegangen, welche darauf abzielen, Benutzer zu motivieren in einem Wiki aktiv teilzunehmen. In einer Online-Community basiert soziales Belohnen in den meisten F\ällen auf das Hervorheben besonders aktiver Mitglieder. Geld kann dabei nicht als Motivator eingesetzt werden, sondern andere Faktoren wie Status, Macht, Ehre und Ruhm. Es werden verschiedene Methoden der sozialen Belohnung vorgestellt, die die Befriedigung dieser Bed\ürfnisse als Ziel haben und somit Vorteile f\Ÿr alle Benutzer eines Wikis bringen sollen. Weiters ist eine Anzahl von Methoden sozialer Belohnung in die Wiki Software MediaWiki implementiert worden. Unter anderem sind dabei die Kriterien sozialen Belohnens in der Darstellung einer Rangliste von besonders aktiven Autoren erf\üllt. Es wird dabei auf den, der Berechnung zugrunde liegenden Algorithmus und den Implementierungsprozess der Entwicklung eingegangen.
},
keywords = {Motivation, soziale Belohnung, Wiki},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/ocg-wikis-im-social-web/social-rewarding/final/hoisl_2007_ocg-wikis_social-rewarding.pdf},
author = {Hoisl, Bernhard and Aigner, Wolfgang and Miksch, Silvia},
editor = {Stockinger, Johann}
}
@conference {Hoisl_2007__SocialRewardinginWikiSystems-MotivatingtheCommunity,
title = {{Social Rewarding in Wiki Systems - Motivating the Community}},
booktitle = {Proceedings of HCI International - 12th International Conference on Human-Computer Interaction (HCII 2007)},
series = {LNCS},
volume = {4564/2007},
year = 2007,
pages = {362{\textendash}371},
publisher = {Springer},
REMOVE-organization = {Springer},
type = {Refereed Conference \& Workshop Articles},
abstract = {Online communities have something in common: their success rise and fall with the participation rate of active users. In this paper we focus on social rewarding mechanisms that generate benefits for users in order to achieve a higher contribution rate in a wiki system. In an online community, social rewarding is in the majority of cases based on accentuation of the most active members. As money cannot be used as a motivating factor others like status, power, acceptance, and glory have to be employed. We explain different social rewarding mechanisms which aim to meet these needs of users. Furthermore, we implemented a number of methods within the MediaWiki system, where social rewarding criteria are satisfied by generating a ranking of most active members.},
keywords = {Contribution, Motivation, Online Communities, Participation, Social Rewarding, Wiki},
isbn = {978-3-540-73256-3},
doi = {10.1007/978-3-540-73257-0_40},
url = {http://ike.donau-uni.ac.at/publications/PDF/2007/hcii_2007/social_rewarding/final/hoisl_2007_hcii_social-rewarding.pdf},
author = {Hoisl, Bernhard and Aigner, Wolfgang and Miksch, Silvia}
}
@conference {aigner_2007_usab_va-tutorial,
title = {{Tutorial: Introduction to Visual Analytics}},
booktitle = {Proceedings of 3rd Symposium Usability \& HCI for Medicine and Healthcare (USAB 07)},
series = {LNCS 4799},
year = 2007,
pages = {457{\textendash}460},
publisher = {Springer-Verlag Berlin Heidelberg},
REMOVE-organization = {Springer-Verlag Berlin Heidelberg},
type = {Refereed Conference \& Workshop Articles},
abstract = {Visual Analytics is an emerging area of research and practice that aims for supporting analytical reasoning by interactive visual interfaces. The basic idea is the integration of the outstanding capabilities of humans in terms of visual information exploration and the enormous processing power of computers to form a powerful knowledge discovery environment. In the course of our half-day tutorial we will introduce this multi-disciplinary field by discussing its key issues of analytical reasoning, perception \& cognition, visualization interaction, computation mining, the visual analysis process, and show potential application areas.},
keywords = {Analytical Reasoning, Human-computer Interaction, information visualization, User-Centered Design, Visual analytics},
url = {http://www.donau-uni.ac.at/imperia/md/content/department/ike/ike_publications/2007/refereedconferenceandworkshoparticles/va-tutorial.pdf},
author = {Aigner, Wolfgang and Bertone, Alessio and Miksch, Silvia},
editor = {Holzinger, Andreas}
}
@incollection {Aigner_2006_timnews_InfoVis:Wiki,