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| # copyright (c) 2022 PaddlePaddle Authors. All Rights Reserve. | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
|
|
||
| import numpy as np | ||
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|
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| class TensorizeEntitiesRelations(object): | ||
| def __init__(self, max_seq_len=512, infer_mode=False, **kwargs): | ||
| self.max_seq_len = max_seq_len | ||
| self.infer_mode = infer_mode | ||
|
|
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| def __call__(self, data): | ||
| entities = data['entities'] | ||
| relations = data['relations'] | ||
|
|
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| entities_new = np.full( | ||
| shape=[self.max_seq_len + 1, 3], fill_value=-1, dtype='int64') | ||
| entities_new[0, 0] = len(entities['start']) | ||
| entities_new[0, 1] = len(entities['end']) | ||
| entities_new[0, 2] = len(entities['label']) | ||
| entities_new[1:len(entities['start']) + 1, 0] = np.array(entities[ | ||
| 'start']) | ||
| entities_new[1:len(entities['end']) + 1, 1] = np.array(entities['end']) | ||
| entities_new[1:len(entities['label']) + 1, 2] = np.array(entities[ | ||
| 'label']) | ||
|
|
||
| relations_new = np.full( | ||
| shape=[self.max_seq_len * self.max_seq_len + 1, 2], | ||
| fill_value=-1, | ||
| dtype='int64') | ||
| relations_new[0, 0] = len(relations['head']) | ||
| relations_new[0, 1] = len(relations['tail']) | ||
| relations_new[1:len(relations['head']) + 1, 0] = np.array(relations[ | ||
| 'head']) | ||
| relations_new[1:len(relations['tail']) + 1, 1] = np.array(relations[ | ||
| 'tail']) | ||
|
|
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| data['entities'] = entities_new | ||
| data['relations'] = relations_new | ||
| return data |
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