CMB AI Lab at SemEval-2022 Task 11: A Two-Stage Approach for Complex Named Entity Recognition via Span Boundary Detection and Span Classification.
Keyu PuHongyi LiuYixiao YangJiangzhou JiWenyi LvYaohan HePublished in: SemEval@NAACL (2022)
Keyphrases
- boundary detection
- named entity recognition
- information extraction
- named entities
- natural language processing
- classifier ensemble
- machine learning
- text summarization
- classification accuracy
- pattern recognition
- conditional random fields
- artificial intelligence
- maximum entropy
- detection algorithm
- expert systems
- text classification
- text mining
- supervised learning
- semi supervised
- decision trees
- training set
- data mining
- sequence labeling
- annotated corpus
- feature extraction
- word sense disambiguation
- feature selection
- computer vision
- natural language
- berkeley segmentation dataset
- named entity disambiguation