Named Entity Recognitionm, Event Detection and Extraction

Named Entity Recognition

• Unified Named Entity Recognition asWord-Word Relation Classification (AAAI 2022)
• Simplify the Usage of Lexicon in Chinese NER (2020ACL)
• A Span-Based Model for Joint Overlapped and Discontinuous Named Entity Recognition (ACL 2021)
• A Unified MRC Framework for Named Entity Recognition (ACL 2020)
• Dependency-Guided LSTM-CRF for Named Entity Recognition (EMNLP 2019)

Event Detection and Extraction

• Unified Structure Generation for Universal Information Extraction (ACL 2022)

Data

NER

• CoNLL 2003 (usually used for English NER, publicly available) [https://www.clips.uantwerpen.be/conll2003/ner/]
• OntoNotes 5.0 (usually used for English NER) [https://catalog.ldc.upenn.edu/LDC2013T19]
• OntoNotes 4.0 (usually used for Chinese NER) [https://catalog.ldc.upenn.edu/LDC2011T03]

Event

• LEVEN: A Large-Scale Chinese Legal Event Detection Dataset (Findings of ACL 2012)