RDML_v1_4_CR.xsd

<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:rdml="http://www.rdml.org"
           elementFormDefault="qualified" 
           targetNamespace="http://www.rdml.org"
           xmlns:xs="http://www.w3.org/2001/XMLSchema"> 

 <xs:annotation>
   <xs:documentation>
     The MIT License

     Copyright (c) 2008-2022 the RDML-consortium

     Permission is hereby granted, free of charge, to any person obtaining a copy
     of this software and associated documentation files (the "Software"), to deal
     in the Software without restriction, including without limitation the rights
     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     copies of the Software, and to permit persons to whom the Software is
     furnished to do so, subject to the following conditions:

     The above copyright notice and this permission notice shall be included in
     all copies or substantial portions of the Software.

     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     THE SOFTWARE.
   </xs:documentation>
 </xs:annotation>

 <xs:complexType name="annotationType">
   <xs:annotation>
     <xs:documentation>
       These elements should be used to annotate samples by setting a 
       property and a value. A property could be sex, the value M or F.
     </xs:documentation>
   </xs:annotation>
   <xs:all>
     <xs:element name="property" type="xs:string"/>
     <xs:element name="value" type="xs:string"/>
   </xs:all>
 </xs:complexType>

 <xs:complexType name="cdnaSynthesisMethodType">
   <xs:annotation>
     <xs:documentation>
       Description of the cDNA synthesis method.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="enzyme" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Enzyme used for reverse transcription. 
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="primingMethod" type="rdml:primingMethodType" minOccurs="0"/>
     <xs:element name="dnaseTreatment" type="xs:boolean" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           True if RNA was DNAse treated prior cDNA synthesis.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="thermalCyclingConditions" type="rdml:idReferencesType" minOccurs="0"/>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="commercialAssayType">
   <xs:annotation>
     <xs:documentation>
       For some commercial assays, the primer sequences may be unknown. This element 
       allows to describe commercial assays.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="company" type="xs:string"/>
     <xs:element name="orderNumber" type="xs:string"/>
   </xs:sequence>
 </xs:complexType>

 <xs:simpleType name="cqDetectionMethodType">
   <xs:annotation>
     <xs:documentation>
       The method used to determine the Cq value.
     </xs:documentation>
   </xs:annotation>
   <xs:restriction base="xs:string">
     <xs:enumeration value="automated threshold and baseline settings"/>
     <xs:enumeration value="manual threshold and baseline settings"/>
     <xs:enumeration value="second derivative maximum"/>
     <xs:enumeration value="other"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:complexType name="dataCollectionSoftwareType">
   <xs:annotation>
     <xs:documentation>
       Software name and version used to collect and analyze the data.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="name" type="xs:string"/>
     <xs:element name="version" type="xs:string"/>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="dataType">
   <xs:annotation>
     <xs:documentation>
       Due to the frequent occurrence of this element, names are kept short.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="tar" type="rdml:idReferencesType">
       <xs:annotation>
         <xs:documentation>
           TargetID - A reference to a target. 
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="cq" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Quantification cycle - The calculated fractional PCR cycle used 
           for downstream quantification.
           Negative values are used to express following conditions:
           Not Available: -1.0
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="N0" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Pronounced N-zero. Target quantity or starting concentration per
           reaction, expressed in calculated arbitrary fluorescence units.
           Negative values are used to express following conditions:
           Not Available: -1.0
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="Ncopy" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Abslute number of copies in a reaction.
           Not Available: -1.0
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="ampEffMet" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Amplification efficiency method is a given as free text.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="ampEff" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Amplification efficiency should be given as the fold-increase
           of DNA per cycle (the base of the exponential function),
           for example 1.95 for 95% efficiency.
           If absent, the ideal efficiency of 2.0 should be used for
           calculations.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="ampEffSE" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The standard error of the value provided in "ampEff"
           should be given.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="corrF" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The correction factor indicating the fraction of the expected
           product in all products. A factor of 0.25 indicates that the
           expected product contributes only a quarter to the observed
           results.
           corrN0 = (N0 * corrF) / corrP
           If absent, the ideal correction factor of 1.0 should be used
           for calculations.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="corrP" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The correction factor to correct for inter run differences
           within this experiment.
           corrN0 = (N0 * corrF) / corrP
           If absent, the ideal correction factor of 1.0 should be used
           for calculations.
           Negative values are used to express following conditions:
           Not Available: -1.0
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="corrCq" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Corrected quantification cycle - The corrected calculated fractional
           PCR cycle used for downstream quantification.
           Negative values are used to express following conditions:
           Not Available: -1.0
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="meltTemp" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The melting temperature in degrees Celsius of the amplified amplicon.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="excl" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Excluded - If present, this entry should not be evaluated. Do not set 
           this element to false if this entry is valid, leave the entire 
           element out instead. 
           It may contain a string with reason for exclusion. Several reasons 
           for exclusion should be seperated by semicolons ";".
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="note" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Note - Do not set this element to false if this element is not needed,
           leave the entire element out instead.
           It may contain a string with notes to the data element which do not
           lead to exclusion of the entry. Several reasons for exclusion should
           be seperated by semicolons ";".
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="adp" type="rdml:dpAmpCurveType" maxOccurs="unbounded" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Amplification data point - The single data points measured during amplification.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="mdp" type="rdml:dpMeltingCurveType" maxOccurs="unbounded" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Melting curve data point - The single data points measured during the melting analysis.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="endPt" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           End point - Result of an endpoint measurement.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="bgFluor" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Background fluorescence - The y-intercept of the baseline 
           trend based on the estimated background fluorescence.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="bgFluorSlp" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Background fluorescence slope - The slope of the baseline trend 
           based on the estimated background fluorescence. The element 
           should be absent to indicate a slope of 0.0; If this element is 
           present without the bgFluor element it should be ignored.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="quantFluor" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Quantification fluorescence - The fluorescence value corresponding to the threshold line.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="documentationType">
   <xs:annotation>
     <xs:documentation>
       These elements should be used if the same description applies to many samples, 
       targets or experiments.
     </xs:documentation>
   </xs:annotation>
   <xs:all>
     <xs:element name="text" type="xs:string" minOccurs="0"/>
   </xs:all>
   <xs:attribute name="id" type="rdml:idType" use="required"/>
 </xs:complexType>

 <xs:complexType name="dpAmpCurveType">
   <xs:annotation>
     <xs:documentation>
       Due to the frequent occurrence of this element, names are kept short.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="cyc" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           Cycle - The PCR cycle at which data point was collected.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="tmp" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Temperature - The temperature in degrees Celsius at the time of measurement.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="fluor" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           Fluorescence - The fluorescence intensity measured without any correction.
           The fluorescence intensity must not be baseline corrected.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="dpMeltingCurveType">
   <xs:annotation>
     <xs:documentation>
       Due to the frequent occurrence of this element, names are kept short.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="tmp" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           Temperature - The temperature in degrees Celsius of this data point.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="fluor" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           Fluorescence - The fluorescence intensity measured without any correction.
           The fluorescence intensity must not be baseline corrected.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:simpleType name="dyeChemistryType">
   <xs:annotation>
     <xs:documentation>
       The monitoring chemistry of this dye. The options are:
         - non-saturating DNA binding dye (SYBR Green I)
         - saturating DNA binding dye (Eva Green, LC Green Plus, BEBO, Syto9)
         - hybridization probe (Molecular Beacon, Light-Up probes, BHQnova Probe)
         - hydrolysis probe (TaqMan, NuPCR)
         - labelled forward primer (LUX primer)
         - labelled reverse primer (Scorpion probe, Sunrise probe, Amplifluor Universal detection system)
         - DNA-zyme probe (QZyme probe)
     </xs:documentation>
   </xs:annotation>
   <xs:restriction base="xs:string">
     <xs:enumeration value="non-saturating DNA binding dye"/>
     <xs:enumeration value="saturating DNA binding dye"/>
     <xs:enumeration value="hybridization probe"/>
     <xs:enumeration value="hydrolysis probe"/>
     <xs:enumeration value="labelled forward primer"/>
     <xs:enumeration value="labelled reverse primer"/>
     <xs:enumeration value="DNA-zyme probe"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:complexType name="dyeType">
   <xs:annotation>
     <xs:documentation>
       Information on a dye.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="description" type="xs:string" minOccurs="0"/>
     <xs:element name="dyeChemistry" type="rdml:dyeChemistryType" minOccurs="0"/>
     <xs:element name="dNTPs" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The micromolar (uMol/l) concentration of each dNTP. If concentrations differ,
           provide the concentration of the lowest dNTP. Usually each dNTP is in
           200 micromolar (uMol/l) concentration. If no value is provided, 200 is
           used as default value.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="dyeConc" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The nanomolar (nMol/l) concentration of the dye. For example, SYBR-Green is
           used at 98.0 nanomolar (nMol/l) concentration. If no value is provided,
           98.0 is used as default value.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
   <xs:attribute name="id" type="rdml:idType" use="required"/>
 </xs:complexType>
 
 <xs:complexType name="experimenterType">
   <xs:annotation>
     <xs:documentation>
       Contact details of the experimenter.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="firstName" type="xs:string"/>
     <xs:element name="lastName" type="xs:string"/>
     <xs:element name="email" type="xs:string" minOccurs="0"/>
     <xs:element name="labName" type="xs:string" minOccurs="0"/>
     <xs:element name="labAddress" type="xs:string" minOccurs="0"/>
   </xs:sequence>
   <xs:attribute name="id" type="rdml:idType" use="required"/>
 </xs:complexType>

 <xs:complexType name="experimentType">
   <xs:annotation>
     <xs:documentation>
       An experiment can contain several runs.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="description" type="xs:string" minOccurs="0"/>
     <xs:element name="documentation" type="rdml:idReferencesType" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="run" type="rdml:runType" minOccurs="0" maxOccurs="unbounded">
       <xs:unique name="runUniId">
         <xs:annotation>
           <xs:documentation>
             react id within the run must be unique.
           </xs:documentation>
         </xs:annotation>
         <xs:selector xpath="./rdml:react" />
         <xs:field xpath="@id" />
       </xs:unique>
       <xs:unique name="runDocumentationId">
         <xs:annotation>
           <xs:documentation>
             Documentation references within the run must be unique.
           </xs:documentation>
         </xs:annotation>
         <xs:selector xpath="./rdml:documentation" />
         <xs:field xpath="@id" />
       </xs:unique>
       <xs:unique name="runExperimenterId">
         <xs:annotation>
           <xs:documentation>
             Experimenter references within the run must be unique.
           </xs:documentation>
         </xs:annotation>
         <xs:selector xpath="./rdml:experimenter" />
         <xs:field xpath="@id" />
       </xs:unique>
     </xs:element>
   </xs:sequence>
   <xs:attribute name="id" type="rdml:idType" use="required"/>
 </xs:complexType>

 <xs:complexType name="gradientType">
   <xs:annotation>
     <xs:documentation>
       This step forms a temperature gradient across the PCR block.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="highTemperature" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           The high temperature of the gradient in degrees Celsius.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="lowTemperature" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           The low temperature of the gradient in degrees Celsius.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="duration" type="xs:positiveInteger">
       <xs:annotation>
         <xs:documentation>
           The duration of this step in seconds.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="temperatureChange" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The change of the temperature from one cycle to the next:
           actual highTemperature = highTemperature + (temperatureChange * cycle counter)
           actual lowTemperature = lowTemperature + (temperatureChange * cycle counter)
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="durationChange" type="xs:int" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The change of the duration from one cycle to the next:
           actual duration = duration + (durationChange * cycle couter)
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="measure" type="rdml:measureType" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Make a measurement and store it as meltcurve or real-time data.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="ramp" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The temperature change from one step to the next in degrees
           Celsius per second. No value means maximal change rate.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="idReferencesType">
   <xs:attribute name="id" type="rdml:idType" use="required"/>
 </xs:complexType>

 <xs:simpleType name="idType">
   <xs:annotation>
     <xs:documentation>
       A ID must be at least one character and unique. The id should be 
       a human readable short name as it was provided by the user.
     </xs:documentation>
   </xs:annotation>
   <xs:restriction base ="xs:string">
     <xs:minLength value="1"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:simpleType name="labelFormatType">
   <xs:annotation>
     <xs:documentation>
       Label used for pcrFormat.
     </xs:documentation>
   </xs:annotation>
   <xs:restriction base="xs:string">
     <xs:enumeration value="ABC"/>
     <xs:enumeration value="123"/>
     <xs:enumeration value="A1a1"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:complexType name="lidOpenType">
   <xs:annotation>
     <xs:documentation>
       This step waits for the user to open the lid and continues afterwards. It
       allows to stop the program and to wait for the user to add for example 
       enzymes and continue the program afterwards. The temperature of the previous
       step is maintained.
     </xs:documentation>
   </xs:annotation>
 </xs:complexType>

 <xs:complexType name="loopType">
   <xs:annotation>
     <xs:documentation>
       This step allows to form a loop or to exclude some steps. It allows to
       jump to a certain "goto" step for "repeat" times. If the "goto" step is  
       higher than the step of the loop, "repeat" must be "0".
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="goto" type="xs:positiveInteger">
       <xs:annotation>
         <xs:documentation>
           The step to go to to form the loop.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="repeat" type="xs:positiveInteger">
       <xs:annotation>
         <xs:documentation>
           Determines how often the loop is repeated. The first run through the loop is 
           counted as 0, the last loop is "repeat" - 1. The loop is run 
           through exactly "repeat" times.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:simpleType name="measureType">
   <xs:restriction base="xs:string">
     <xs:enumeration value="real time"/>
     <xs:enumeration value="meltcurve"/>
   </xs:restriction>
 </xs:simpleType>
 
 <xs:simpleType name="nucleotideType">
   <xs:restriction base="xs:string">
     <xs:enumeration value="DNA"/>
     <xs:enumeration value="genomic DNA"/>
     <xs:enumeration value="cDNA"/>
     <xs:enumeration value="RNA"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:complexType name="oligoType">
   <xs:sequence>
     <xs:element name="threePrimeTag" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Description of three prime modification (if present).
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="fivePrimeTag" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Description of five prime modification (if present).
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="sequence" type="rdml:sequenceType"/>
     <xs:element name="oligoConc" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The nanomolar (nMol/l) concentration of the oligo. Usually each oligo
           is used in 10-1000 nanomolar (nMol/l) concentrations. If no value is
           provided, 250 is used as default value.
         </xs:documentation>
       </xs:annotation>
     </xs:element>

   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="partitionsType">
   <xs:annotation>
     <xs:documentation>
       This element is intended for digital PCR data.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="volume" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           The average volume of one partition in nanoliter (nl).
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="endPtTable" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           End point data table - If present, this entry should contain the 
	   filename of the comma seperated file conaining the raw data. The 
	   file must be stored within the RDML zip file in the folder 
	   partitions. The counts of the partitions must be stored in 
	   coressponding data elements.

	   The file must use tabs (\t) as column separators and dots (.) 
	   as decimal seperators. A line must contain the data of one 
	   partion. For each fluoescence two colums are created. One with
	   the endpoint fluorescence value and a second with its score. The
	   score can be:
	   u - undefined or not yet scored
	   p - positive
	   n - negative
	   e - excluded (should be ignored)
	   The file must have a header line with the target ids matching
	   the fluorescence value.

	   The first lines could look like:
	   GAPDH\tGAPDH\tHBV\tHBV\n
           3412.32\tp\t121.89\tn\n
	   239.23\tn\t3459.27\tp\n
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="data" type="rdml:partitionDataType" maxOccurs="unbounded">
       <xs:annotation>
         <xs:documentation>
           Reactions split up in partitions as in digital PCR must report data using this elements.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="partitionDataType">
   <xs:annotation>
     <xs:documentation>
       Due to the frequent occurrence of this element, names are kept short.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="tar" type="rdml:idReferencesType">
       <xs:annotation>
         <xs:documentation>
           TargetID - A reference to a target.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="excluded" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Excluded - If present, this entry should not be evaluated. Do not set
           this element to false if this entry is valid, leave the entire
           element out instead.
           This element is equivalent to the excl element in dataType.
           It may contain a string with reason for exclusion. Several reasons
           for exclusion should be seperated by semicolons ";".
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="note" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Note - Do not set this element to false if this element is not needed,
           leave the entire element out instead.
           It may contain a string with notes to the data element which do not
           lead to exclusion of the entry. Several reasons for exclusion should
           be seperated by semicolons ";".
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="pos" type="xs:int">
       <xs:annotation>
         <xs:documentation>
           Positive partitions - The number of positive partitions.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="neg" type="xs:int">
       <xs:annotation>
         <xs:documentation>
           Negative partitions - The number of negative partitions.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="undef" type="xs:int" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Undefined partitions - The number of undefined or not yet scored partitions.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="excl" type="xs:int" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Excluded partitions - The number of excluded partitions.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="conc" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Concentration - The concentration in copies per microliter reaction
           mix.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="pauseType">
   <xs:annotation>
     <xs:documentation>
       This step allows to pause at a certain temperature. It is typically the
       last step in an amplification protocol.  
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="temperature" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           The temperature in degrees Celsius to maintain during the pause.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="pcrFormatType">
   <xs:annotation>
     <xs:documentation>
       The format of the run - This allows the software to display the data
       according to the qPCR instrument run format.
       Rotor formats always have 1 column; rows correspond to the number
       of places in the rotor.
       
       Values for common formats are:
       
       Format            |    rows    |   columns   |  rowLabel  | columnLabel
       --------------------------------------------------------------------------
       single-well       |     1      |      1      |    123     |     123
       48-well plate     |     6      |      8      |    ABC     |     123
       96-well plate     |     8      |     12      |    ABC     |     123
       384-well plate    |    16      |     24      |    ABC     |     123
       1536-well plate   |    32      |     48      |    ABC     |     123
       3072-well array   |    32      |     96      |   A1a1     |    A1a1
       5184-well chip    |    72      |     72      |    ABC     |     123
       32-well rotor     |    32      |      1      |    123     |     123
       72-well rotor     |    72      |      1      |    123     |     123
       100-well rotor    |   100      |      1      |    123     |     123
       free format       |    -1      |      1      |    123     |     123
       
       If rows are -1 then the software should not try to reconstruct a plate and 
       just display all react data in list (1 column) form.
       
       If columns is 1 then the software should not display a column label.
          
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="rows" type="xs:int"/>
     <xs:element name="columns" type="xs:int"/>
     <xs:element name="rowLabel" type="rdml:labelFormatType"/>
     <xs:element name="columnLabel" type="rdml:labelFormatType"/>
   </xs:sequence>
 </xs:complexType>

 <xs:simpleType name="primingMethodType">
   <xs:annotation>
     <xs:documentation>
       The primers used to reverse transcribe the RNA to cDNA.
     </xs:documentation>
   </xs:annotation>
   <xs:restriction base="xs:string">
     <xs:enumeration value="oligo-dt"/>
     <xs:enumeration value="random"/>
     <xs:enumeration value="target-specific"/>
     <xs:enumeration value="oligo-dt and random"/>
     <xs:enumeration value="other"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:complexType name="quantityType">
   <xs:annotation>
     <xs:documentation>
       A quantity is always defined by its value and its unit.  
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="value" type="xs:float"/>
     <xs:element name="unit" type="rdml:quantityUnitType"/>
   </xs:sequence>
   <xs:attribute name="targetId" type="rdml:idType"/>
 </xs:complexType>

 <xs:simpleType name="quantityUnitType">
   <xs:annotation>
     <xs:documentation>
       The unit the quantity
       cop   - copies per microliter  
       fold  - fold change  
       dil   - dilution (10 would mean 1:10 dilution)  
       nMol  - nanomol per microliter 
       ng    - nanogram per microliter 
       other - other unit (must be linear, no exponents or logarithms allowed) 
     </xs:documentation>
   </xs:annotation>
   <xs:restriction base="xs:string">
     <xs:enumeration value="cop"/>
     <xs:enumeration value="fold"/>
     <xs:enumeration value="dil"/>
     <xs:enumeration value="ng"/>
     <xs:enumeration value="nMol"/>
     <xs:enumeration value="other"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:complexType name="rdmlIdType">
   <xs:annotation>
     <xs:documentation>
       This element can be used to assign a publisher and id to the RDML file.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="publisher" type="xs:string"/>
     <xs:element name="serialNumber" type="xs:string"/>
     <xs:element name="MD5Hash" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           An MD5Hash calculated over the complete file after removing all
           rdmlIDTypes and all whitespaces between elements.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="reactType">
   <xs:annotation>
     <xs:documentation>
       A reaction is an independent chemical reaction corresponding for example
       to a well in a 96 well plate, a capillary in a rotor, a through-hole on
       an array, etc.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="sample" type="rdml:idReferencesType">
       <xs:annotation>
         <xs:documentation>
           SampleID - A reference to a sample.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="vol" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The volume of the reaction in microliter.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="data" type="rdml:dataType" maxOccurs="unbounded" minOccurs="0">
       <xs:unique name="adpCycUnique">
         <xs:annotation>
           <xs:documentation>
             The cycle (cyc) within the amplification curve datapoints) (adp) must be unique.
           </xs:documentation>
         </xs:annotation>
         <xs:selector xpath="./rdml:adp" />
         <xs:field xpath="rdml:cyc" />
       </xs:unique>
       <xs:unique name="mdpTmpUnique">
         <xs:annotation>
           <xs:documentation>
             The temperature (tmp) within the melting curve datapoints (mdp) must be unique.
           </xs:documentation>
         </xs:annotation>
         <xs:selector xpath="./rdml:mdp" />
         <xs:field xpath="rdml:tmp" />
       </xs:unique>
     </xs:element>
     <xs:element name="partitions" type="rdml:partitionsType" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Reactions split up in partitions as in digital PCR must report data using this elements.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
   <xs:attribute name="id" type="xs:positiveInteger" use="required">
     <xs:annotation>
       <xs:documentation>
         The ID of this reaction
		 
		 Schemas :
		    - rotor : assign IDs according to the position of the sample on the rotor (1 for the 1st sample, 2 for the 2nd, ...)
			- plate (96/384/1536 well) : the IDs are assigned in a row-first/column-second manner. For each row, the samples are
				numbered according to the increasing column number. At the end of a row, the numbering starts at the first column of
				the next row. An example for this type of plate can be found below :
			
                      1   2   3   4   5   6   7   8   9  10  11  12
                  ___________________________________________________
                A |   1   2   3   4   5   6   7   8   9  10  11  12
                B |  13  14  15  16  17  18  19  20  21  22  23  24
                C |  25  26  27  28  28  30  31  32  33  34  35  36
                D | ...
				
			
                      1   2   3   4   5   6   7   8   9  10  11  12
                  ___________________________________________________
                1 |   1   2   3   4   5   6   7   8   9  10  11  12
                2 |  13  14  15  16  17  18  19  20  21  22  23  24
                3 |  25  26  27  28  28  30  31  32  33  34  35  36
                4 | ...


			- multi-array plate (BioTrove) : the IDs are assigned in a row-first/column-second manner, ignoring the organisation 
                of sub-arrays. For each row, the samples are numbered according to the increasing column number. At the end of a row, the 
                the next row. An example for this type of plate can be found below :
			
                                1         |         2        |        3         |  ...
                   --------------------------------------------------------------------	   
                   |   |   1   2   3   4  |   5   6   7   8  |   9  10  11  12  |  ...
                   ____________________________________________________________________
                   | a |   1   2   3   4  |   5   6   7   8  |   9  10  11  12  |  ...
                 A | b |  49  50  51  52  |  53  54  55  56  |  57  58  59  60  |  ...
                   | c |  97  98  99 100  | 101 102 103 104  | 105 106 107 108  |  ...
                   | d | 145 146 147 148  | 149 150 151 152  | 153 154 155 156  |  ...
                   --------------------------------------------------------------------
                   | a | 193 194 195 196  | 197 198 199 200  | 201 202 203 204  |  ...
                 B | b | 241 242 243 244  | 245 246 247 248  | 249 250 251 252  |  ...
                   | c |  ...             |  ...             |  ...             |  ...
				
       </xs:documentation>
     </xs:annotation>
   </xs:attribute>
 </xs:complexType>

 <xs:complexType name="runType">
   <xs:annotation>
     <xs:documentation>
       A run is a set of reactions performed in one "run", for example 
       one plate, one rotor, one array, one chip.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="description" type="xs:string" minOccurs="0"/>
     <xs:element name="documentation" type="rdml:idReferencesType" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="experimenter" type="rdml:idReferencesType" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="instrument" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Description of the instrument used to aquire the data.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="dataCollectionSoftware" type="rdml:dataCollectionSoftwareType" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Description of the software used to analyze/collect the data.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="backgroundDeterminationMethod" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Description of method used to determine the background.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="cqDetectionMethod" type="rdml:cqDetectionMethodType" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Description of method used to calculate the quantification cycle.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="thermalCyclingConditions" type="rdml:idReferencesType" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The program used to aquire the data.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="pcrFormat" type="rdml:pcrFormatType"/>
     <xs:element name="runDate" type="xs:dateTime" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Date and time stamp when the data was aquired.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="react" type="rdml:reactType" maxOccurs="unbounded" minOccurs="0">
       <xs:unique name="dataTarID">
         <xs:annotation>
           <xs:documentation>
             The target ID (tar->@id) within the data element must be unique.
           </xs:documentation>
         </xs:annotation>
         <xs:selector xpath="./rdml:data/rdml:tar" />
         <xs:field xpath="@id" />
       </xs:unique>
     </xs:element>
   </xs:sequence>
   <xs:attribute name="id" type="rdml:idType" use="required"/>
 </xs:complexType>

 <xs:complexType name="sampleTargetType">
   <xs:annotation>
     <xs:documentation>
       The same sample could have the sampleTypeType pos for one target and ntp
       for a different target. Therefor several entries are allowed and can be
       linked to a target. If no target is given, only one entry should be
       present valid for all targets in this run.
     </xs:documentation>
   </xs:annotation>
   <xs:simpleContent>
     <xs:extension base="rdml:sampleTypeType">
       <xs:attribute name="targetId" type="rdml:idType"/>
     </xs:extension>
   </xs:simpleContent>
 </xs:complexType>

 <xs:complexType name="sampleType">
   <xs:annotation>
     <xs:documentation>
       A sample is a defined template solution. Dilutions of the same 
       material differ in concentration and are considered different samples.
       A technical replicate samples should contain the same name (reactions 
       are performed on the same material), and biological replicates should 
       contain different names (the nucleic acids derived from the different 
       biological replicates are not the same). Serial dilutions in a standard
       curve must have a different name.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="description" type="xs:string" minOccurs="0"/>
     <xs:element name="documentation" type="rdml:idReferencesType" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="xRef" type="rdml:xRefType" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="annotation" type="rdml:annotationType" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="type" type="rdml:sampleTargetType" default="unkn" minOccurs="0" maxOccurs="unbounded">
       <xs:annotation>
         <xs:documentation>
           If the element type is absent, the sample type is "unkn" (default value).
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="interRunCalibrator" type="xs:boolean" default="false" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           True if this sample is used as inter run calibrator. A inter run calibrator is
           an identical sample measured in different runs, in order to detect and correct
           inter-run differences.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="doubleStranded" type="xs:boolean" default="false" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           True if the nucleotides in this sample are at the start of the reaction double
           stranded like genomic DNA, plasmids or restriction fragments. If the element
           is missing or false, the nucleotides are single standed like cDNA or oligos.
           The default value is false meaning single stranded like cDNA.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="quantity" type="rdml:quantityType" minOccurs="0" maxOccurs="unbounded">
       <xs:annotation>
         <xs:documentation>
           Quantity - The reference quantity of this sample. It should be only used if the 
           sample is part of a standard curve. The provided value will be used to quantify 
           unknown samples in absolute quantification assays.  
           Only the use of true numbers is valid like 1, 10, 100, 1000 or 1, 0.1, 0.01, 
           0.001. The use of exponents is not valid like 1, 2, 3, 4 or -1, -2, -3, -4 
           because it will not be interpreted as 10E1, 10E2, 10E3, 10E4 or 10E-1, 10E-2, 
           10E-3, 10E-4.
           The same sample could have the quantityType 1000 copies per microliter for one
           target or 1 fold for all targets. Optical calibrators work independent of
           targets. Therefor several entries with or without target are allowed and can be
           linked to a target.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="calibratorSample" type="xs:boolean" default="false" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           True if this sample is used as calibrator sample. A calibrator sample is a
           reference sample within a run to which results are rescaled.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="cdnaSynthesisMethod" type="rdml:cdnaSynthesisMethodType" minOccurs="0"/>
     <xs:element name="templateQuantity" type="rdml:templateQuantityType" minOccurs="0" />
   </xs:sequence>
   <xs:attribute name="id" type="rdml:idType" use="required"/>
 </xs:complexType>

 <xs:simpleType name="sampleTypeType">
   <xs:annotation>
     <xs:documentation>
       unkn - unknown sample
       ntc  - non template control
       nac  - no amplification control
       std  - standard sample
       ntp  - no target present
       nrt  - minusRT
       pos  - positive control
       opt  - optical calibrator sample
     </xs:documentation>
   </xs:annotation>
   <xs:restriction base="xs:string">
     <xs:enumeration value="unkn"/>
     <xs:enumeration value="ntc"/>
     <xs:enumeration value="nac"/>
     <xs:enumeration value="std"/>
     <xs:enumeration value="ntp"/>
     <xs:enumeration value="nrt"/>
     <xs:enumeration value="pos"/>
     <xs:enumeration value="opt"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:simpleType name="sequenceType">
   <xs:restriction base="xs:string">
     <xs:pattern value="([a|c|g|t|r|y|s|w|k|m|b|d|h|v|n|A|C|G|T|R|Y|S|W|K|M|B|D|H|V|N]+)">
       <xs:annotation>
         <xs:documentation>
           All the IUPAC codes :

           A         Adenine
           C         Cytosine
           G         Guanine
           T (or U)  Thymine (or Uracil)
           R         A or G
           Y         C or T
           S         G or C
           W         A or T
           K         G or T
           M         A or C
           B         C or G or T
           D         A or G or T
           H         A or C or T
           V         A or C or G
           N         any base
         </xs:documentation>
       </xs:annotation>
     </xs:pattern>
   </xs:restriction>
 </xs:simpleType>

 <xs:complexType name="sequencesType">
   <xs:sequence>
     <xs:element name="forwardPrimer" type="rdml:oligoType" minOccurs="0"/>
     <xs:element name="reversePrimer" type="rdml:oligoType" minOccurs="0"/>
     <xs:element name="probe1" type="rdml:oligoType" minOccurs="0"/>
     <xs:element name="probe2" type="rdml:oligoType" minOccurs="0"/>
     <xs:element name="amplicon" type="rdml:oligoType" minOccurs="0"/>
   </xs:sequence>
 </xs:complexType>

 <xs:simpleType name="stepNumberType">
   <xs:restriction base="xs:positiveInteger">
     <xs:minInclusive value="1"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:complexType name="stepType">
   <xs:sequence>
     <xs:element name="nr" type="rdml:stepNumberType">
       <xs:annotation>
         <xs:documentation>
           The incremental number of the step. First step should be nr = 1 and then 
           increment each step by + 1.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="description" type="xs:string" minOccurs="0"/>
     <xs:choice>
       <xs:element name="temperature" type="rdml:temperatureType"/>
       <xs:element name="gradient" type="rdml:gradientType"/>
       <xs:element name="loop" type="rdml:loopType"/>
       <xs:element name="pause" type="rdml:pauseType"/>
       <xs:element name="lidOpen" type="rdml:lidOpenType"/>
     </xs:choice>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="targetType">
   <xs:annotation>
     <xs:documentation>
       A target is a defined PCR reaction. PCR reactions for the same gene 
       which differ in primer sequences are considered different targets. 
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="description" type="xs:string" minOccurs="0"/>
     <xs:element name="documentation" type="rdml:idReferencesType" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="xRef" type="rdml:xRefType" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="type" type="rdml:targetTypeType"/>
     <xs:element name="amplificationEfficiencyMethod" type="xs:string" minOccurs="0"/>
     <xs:element name="amplificationEfficiency" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The expected amplification efficiency should be given as the
           fold-increase of DNA per cycle (the base of the exponential
           function), for example 1.95 for 95% efficiency.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="amplificationEfficiencySE" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The expected standard error of the value provided in
           "amplificationEfficiency" should be given.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="meltingTemperature" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The expected melting temperature in degrees Celsius of the amplified amplicon.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="detectionLimit" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The detection limit is given in copies per microliter.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="dyeId" type="rdml:idReferencesType">
       <xs:annotation>
         <xs:documentation>
           DyeID - A reference to a dye.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="sequences" type="rdml:sequencesType" minOccurs="0"/>
     <xs:element name="commercialAssay" type="rdml:commercialAssayType" minOccurs="0"/>
   </xs:sequence>
   <xs:attribute name="id" type="rdml:idType" use="required"/>
 </xs:complexType>

 <xs:simpleType name="targetTypeType">
   <xs:annotation>
     <xs:documentation>
       ref - reference target
       toi - target of interest
     </xs:documentation>
   </xs:annotation>
   <xs:restriction base="xs:string">
     <xs:enumeration value="ref"/>
     <xs:enumeration value="toi"/>
   </xs:restriction>
 </xs:simpleType>

 <xs:complexType name="temperatureType">
   <xs:annotation>
     <xs:documentation>
       This step keeps a constant temperature on the heat block.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="temperature" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           The temperature of the step in degrees Celsius.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="duration" type="xs:positiveInteger">
       <xs:annotation>
         <xs:documentation>
           The duration of this step in seconds.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="temperatureChange" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The change of the temperature from one cycle to the next:
           actual temperature = temperature + (temperatureChange * cycle counter)
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="durationChange" type="xs:int" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The change of the duration from one cycle to the next:
           actual duration = duration + (durationChange * cycle counter)
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="measure" type="rdml:measureType" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Indicates to make a measurement and store it as meltcurve or real-time data.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="ramp" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The allowed temperature change from one step to the next in degrees
           Celsius per second. No value means maximal change rate.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="templateQuantityType">
   <xs:sequence>
     <xs:element name="conc" type="xs:float">
       <xs:annotation>
         <xs:documentation>
           Concentration of the template in nanogram per microliter in the 
           final reaction mix.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="nucleotide" type="rdml:nucleotideType"/>
   </xs:sequence>
 </xs:complexType>

 <xs:complexType name="thermalCyclingConditionsType">
   <xs:annotation>
     <xs:documentation>
       A cycling program for PCR or to amplify cDNA.
     </xs:documentation>
   </xs:annotation>
   <xs:sequence>
     <xs:element name="description" type="xs:string" minOccurs="0"/>
     <xs:element name="documentation" type="rdml:idReferencesType" minOccurs="0" maxOccurs="unbounded"/>
     <xs:element name="lidTemperature" type="xs:float" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The temperature in degrees Celsius of the lid during cycling.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="experimenter" type="rdml:idReferencesType" minOccurs="0" maxOccurs="unbounded">
       <xs:annotation>
         <xs:documentation>
           Reference to the person who made or uses this protocol.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="step" type="rdml:stepType" maxOccurs="unbounded">
       <xs:annotation>
         <xs:documentation>
           The steps a protocol runs through to amplify DNA.
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
   <xs:attribute name="id" type="rdml:idType" use="required"/>
 </xs:complexType>

 <xs:complexType name="xRefType">
   <xs:sequence>
     <xs:element name="name" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           Reference to an external database, for example "GenBank".
         </xs:documentation>
       </xs:annotation>
     </xs:element>
     <xs:element name="id" type="xs:string" minOccurs="0">
       <xs:annotation>
         <xs:documentation>
           The ID of the entry within the external database, for example "AJ832138".
         </xs:documentation>
       </xs:annotation>
     </xs:element>
   </xs:sequence>
 </xs:complexType>

 <xs:element name="rdml">
   <xs:complexType>
     <xs:sequence>
       <xs:element name="dateMade" type="xs:dateTime" minOccurs="0">
         <xs:annotation>
           <xs:documentation>
             The date and time stamp of the creation of this file.
           </xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element name="dateUpdated" type="xs:dateTime" minOccurs="0">
         <xs:annotation>
           <xs:documentation>
             The date and time stamp of the last update of this file.
           </xs:documentation>
         </xs:annotation>
       </xs:element>
       <xs:element name="id" type="rdml:rdmlIdType" maxOccurs="unbounded" minOccurs="0"/>
       <xs:element name="experimenter" type="rdml:experimenterType" maxOccurs="unbounded" minOccurs="0"/>
       <xs:element name="documentation" type="rdml:documentationType" maxOccurs="unbounded" minOccurs="0"/>
       <xs:element name="dye" type="rdml:dyeType" maxOccurs="unbounded" minOccurs="0"/>
       <xs:element name="sample" type="rdml:sampleType" maxOccurs="unbounded" minOccurs="0">
         <xs:unique name="sampleXRefId">
           <xs:annotation>
             <xs:documentation>
               xRefs within the sample types must be unique.
             </xs:documentation>
           </xs:annotation>
           <xs:selector xpath="./rdml:xRef" />
           <xs:field xpath="rdml:id" />
           <xs:field xpath="rdml:name" />
         </xs:unique>
         <xs:unique name="sampleDocumentationId">
           <xs:annotation>
             <xs:documentation>
               Documentation references within the sample types must be unique.
             </xs:documentation>
           </xs:annotation>
           <xs:selector xpath="./rdml:documentation" />
           <xs:field xpath="@id" />
         </xs:unique>
       </xs:element>
       <xs:element name="target" type="rdml:targetType" maxOccurs="unbounded" minOccurs="0">
         <xs:unique name="targetXRefId">
           <xs:annotation>
             <xs:documentation>
               xRefs within the sample types must be unique.
             </xs:documentation>
           </xs:annotation>
           <xs:selector xpath="./rdml:xRef" />
           <xs:field xpath="rdml:id" />
           <xs:field xpath="rdml:name" />
         </xs:unique>
         <xs:unique name="targetDocumentationId">
           <xs:annotation>
             <xs:documentation>
               Documentation references within the target types must be unique.
             </xs:documentation>
           </xs:annotation>
           <xs:selector xpath="./rdml:documentation" />
           <xs:field xpath="@id" />
         </xs:unique>
       </xs:element>
       <xs:element name="thermalCyclingConditions" type="rdml:thermalCyclingConditionsType" maxOccurs="unbounded" minOccurs="0">
         <xs:unique name="thermalUniId">
           <xs:annotation>
             <xs:documentation>
               step nr within the thermalCyclingConditions must be unique.
             </xs:documentation>
           </xs:annotation>
           <xs:selector xpath="./rdml:step" />
           <xs:field xpath="rdml:nr" />
         </xs:unique>
         <xs:unique name="thermalCyclingConditionsDocumentationId">
           <xs:annotation>
             <xs:documentation>
               Documentation references within the thermalCyclingConditions types must be unique.
             </xs:documentation>
           </xs:annotation>
           <xs:selector xpath="./rdml:documentation" />
           <xs:field xpath="@id" />
         </xs:unique>
         <xs:unique name="thermalCyclingConditionsExperimenterId">
           <xs:annotation>
             <xs:documentation>
               Experimenter references within the thermalCyclingConditions types must be unique.
             </xs:documentation>
           </xs:annotation>
           <xs:selector xpath="./rdml:experimenter" />
           <xs:field xpath="@id" />
         </xs:unique>
       </xs:element>
       <xs:element name="experiment" type="rdml:experimentType" maxOccurs="unbounded" minOccurs="0">
         <xs:unique name="experimentUniId">
           <xs:annotation>
             <xs:documentation>
               run IDs within the experiment types must be unique.
             </xs:documentation>
           </xs:annotation>
           <xs:selector xpath="./rdml:run" />
           <xs:field xpath="@id" />
         </xs:unique>
         <xs:unique name="experimentDocumentationId">
           <xs:annotation>
             <xs:documentation>
               Documentation references within the experiment types must be unique.
             </xs:documentation>
           </xs:annotation>
           <xs:selector xpath="./rdml:documentation" />
           <xs:field xpath="@id" />
         </xs:unique>
      </xs:element>
     </xs:sequence>
   <xs:attribute name="version" type="xs:string" fixed="1.4" use="required"/>
   </xs:complexType>
   <xs:keyref name="documentationKeyRef" refer="rdml:documentationKey">
     <xs:selector xpath="./rdml:sample/rdml:documentation" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:keyref name="documentationKeyRef2" refer="rdml:documentationKey">
     <xs:selector xpath="./rdml:target/rdml:documentation" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:keyref name="documentationKeyRef3" refer="rdml:documentationKey">
     <xs:selector xpath="./rdml:thermalCyclingConditions/rdml:documentation" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:keyref name="documentationKeyRef4" refer="rdml:documentationKey">
     <xs:selector xpath="./rdml:experiment/rdml:documentation" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:keyref name="documentationKeyRef5" refer="rdml:documentationKey">
     <xs:selector xpath="./rdml:experiment/rdml:run/rdml:documentation" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:key name="documentationKey">
     <xs:selector xpath="./rdml:documentation" />
     <xs:field xpath="@id" />
   </xs:key>

   <xs:keyref name="dyeKeyRef" refer="rdml:dyeKey">
     <xs:selector xpath="./rdml:target/rdml:dyeId" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:key name="dyeKey">
     <xs:selector xpath="./rdml:dye" />
     <xs:field xpath="@id" />
   </xs:key>

   <xs:key name="experimentIdKey">
     <xs:selector xpath="./rdml:experiment" />
     <xs:field xpath="@id" />
   </xs:key>

   <xs:keyref name="experimenterIdKeyRef" refer="rdml:experimenterIdKey">
     <xs:selector xpath="./rdml:experiment/rdml:run/rdml:experimenter" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:keyref name="experimenterIdKeyRef2" refer="rdml:experimenterIdKey">
     <xs:selector xpath="./rdml:thermalCyclingConditions/rdml:experimenter" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:key name="experimenterIdKey">
     <xs:selector xpath="./rdml:experimenter" />
     <xs:field xpath="@id" />
   </xs:key>

   <xs:keyref name="sampleIdKeyRef" refer="rdml:sampleIdKey">
     <xs:selector xpath="./rdml:experiment/rdml:run/rdml:react/rdml:sample" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:key name="sampleIdKey">
     <xs:selector xpath="./rdml:sample" />
     <xs:field xpath="@id" />
   </xs:key>
	 
   <xs:keyref name="targetIdKeyRef" refer="rdml:targetIdKey">
     <xs:selector xpath="./rdml:experiment/rdml:run/rdml:react/rdml:data/rdml:tar" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:keyref name="targetIdKeyRef2" refer="rdml:targetIdKey">
     <xs:selector xpath="./rdml:experiment/rdml:run/rdml:react/rdml:partitions/rdml:data/rdml:tar" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:keyref name="targetIdKeyRef3" refer="rdml:targetIdKey">
     <xs:selector xpath="./rdml:sample/rdml:type" />
     <xs:field xpath="@targetId" />
   </xs:keyref>
   <xs:keyref name="targetIdKeyRef4" refer="rdml:targetIdKey">
     <xs:selector xpath="./rdml:sample/rdml:quantity" />
     <xs:field xpath="@targetId" />
   </xs:keyref>
   <xs:key name="targetIdKey">
     <xs:selector xpath="./rdml:target" />
     <xs:field xpath="@id" />
   </xs:key>
	 
   <xs:keyref name="thermalCyclingConditionsIdKeyRef" refer="rdml:thermalCyclingConditionsIdKey">
     <xs:selector xpath="./rdml:experiment/rdml:run/rdml:thermalCyclingConditions" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:keyref name="thermalCyclingConditionsIdKeyRef2" refer="rdml:thermalCyclingConditionsIdKey">
     <xs:selector xpath="./rdml:sample/rdml:cdnaSynthesisMethod/rdml:thermalCyclingConditions" />
     <xs:field xpath="@id" />
   </xs:keyref>
   <xs:key name="thermalCyclingConditionsIdKey">
     <xs:selector xpath="./rdml:thermalCyclingConditions" />
     <xs:field xpath="@id" />
   </xs:key>
   </xs:element>
</xs:schema>