NER、Entity Typing、Entity Linking。主要涉及词汇增强、低资源、跨领域、跨语言、多模态、表示学习。

• A Unified MRC Framework for Named Entity Recognition
  Xiaoya Li, Jingrong Feng, Yuxian Meng, Qinghong Han, Fei Wu and Jiwei Li
  https://arxiv.org/pdf/1910.11476.pdf
• Bipartite Flat-Graph Network for Nested Named Entity Recognition
  Ying Luo and Hai Zhao
  https://arxiv.org/pdf/2005.00436.pdf
• Code and Named Entity Recognition in StackOverflow
  Jeniya Tabassum, Mounica Maddela, Wei Xu and Alan Ritter
  https://arxiv.org/pdf/2005.01634v1.pdf
• Empower Entity Set Expansion via Language Model Probing
  Yunyi Zhang, Jiaming Shen, Jingbo Shang and Jiawei Han
  https://arxiv.org/pdf/2004.13897.pdf
• From Zero to Hero: Human-In-The-Loop Entity Linking in Low Resource Domains
  Jan-Christoph Klie, Richard Eckart de Castilho and Iryna Gurevych
• Hierarchical Entity Typing via Multi-level Learning to Rank
  Tongfei Chen, Yunmo Chen and Benjamin Van Durme
  https://arxiv.org/pdf/2004.02286.pdf
• Improving Multimodal Named Entity Recognition via Entity Span Detection with Unified Multimodal Transformer
  Jianfei Yu, Jing Jiang, Li Yang and Rui Xia
• Multi-Domain Named Entity Recognition with Genre-Aware and Agnostic Inference
  Jing Wang, Mayank Kulkarni and Daniel Preotiuc-Pietro
  http://www.preotiuc.ro/papers/multidomainner20acl.pdf
• Named Entity Recognition without Labelled Data: A Weak Supervision Approach
  Pierre Lison, Jeremy Barnes, Aliaksandr Hubin and Samia Touileb
  https://arxiv.org/pdf/2004.14723.pdf
• Neighborhood Matching Network for Entity Alignment
  Yuting Wu, Xiao Liu, Yansong Feng, Zheng Wang and Dongyan Zhao
  https://arxiv.org/pdf/2005.05607.pdf
• Pyramid: A Layered Model for Nested Named Entity Recognition
  Jue Wang, Lidan Shou, Ke Chen and Gang Chen
• Sources of Transfer in Multilingual Named Entity Recognition
  David Mueller, Nicholas Andrews and Mark Dredze
  https://arxiv.org/pdf/2005.00847.pdf
• Temporally-Informed Analysis of Named Entity Recognition
  Shruti Rijhwani and Daniel Preotiuc-Pietro
  http://www.preotiuc.ro/papers/temporalner20acl.pdf
• Improving Entity Linking through Semantic Reinforced Entity Embeddings
  Feng Hou, Ruili Wang, Jun He and Yi Zhou\
• Improving Low-Resource Named Entity Recognition using Joint Sentence and Token Labeling
  Canasai Kruengkrai, Thien Hai Nguyen, Sharifah Mahani Aljunied and Lidong Bing
• Instance-Based Learning of Span Representations: A Case Study through Named Entity Recognition
  Hiroki Ouchi, Jun Suzuki, Sosuke Kobayashi, Sho Yokoi, Tatsuki Kuribayashi, Ryuto Konno and Kentaro Inui
  https://arxiv.org/pdf/2004.14514.pdf
• Named Entity Recognition as Dependency Parsing
  Juntao Yu, Bernd Bohnet and Massimo Poesio
  https://arxiv.org/pdf/2005.07150.pdf
• Soft Gazetteers for Low-Resource Named Entity Recognition
  Shruti Rijhwani, Shuyan Zhou, Graham Neubig and Jaime Carbonell
  https://arxiv.org/pdf/2005.01866.pdf
• TriggerNER: Learning with Entity Triggers as Explanations for Named Entity Recognition
  Bill Yuchen Lin, Dong-Ho Lee, Ming Shen, Ryan Moreno, Xiao Huang, Prashant Shiralkar and Xiang Ren
  https://arxiv.org/pdf/2004.07493.pdf
• Connecting Embeddings for Knowledge Graph Entity Typing
  Yu Zhao, anxiang zhang, Ruobing Xie, Kang Liu and Xiaojie WANG
• An Effective Transition-based Model for Discontinuous NER
  Xiang Dai, Sarvnaz Karimi, Ben Hachey and Cecile Paris
  https://arxiv.org/pdf/2004.13454.pdf
• Multi-Cell Compositional LSTM for NER Domain Adaptation
  Chen Jia and Yue Zhang
• Simplify the Usage of Lexicon in Chinese NER
  Ruotian Ma, Minlong Peng, Qi Zhang, Zhongyu Wei and Xuanjing Huang
  https://arxiv.org/pdf/1908.05969.pdf
• Single-/Multi-Source Cross-Lingual NER via Teacher-Student Learning on Unlabeled Data in Target Language
  Qianhui Wu, Zijia Lin, Börje Karlsson, Jian-Guang Lou and Biqing Huang
  https://arxiv.org/pdf/2004.12440.pdf
• FLAT: Chinese NER Using Flat-Lattice Transformer
  Xiaonan Li, Hang Yan, Xipeng Qiu and Xuanjing Huang
  https://arxiv.org/pdf/2004.1179

Relation 相关

主要涉及联合抽取、可解释、zero-shot、开放领域抽取、文档级抽取。

• A Novel Cascade Binary Tagging Framework for Relational Triple Extraction
  Zhepei Wei, Jianlin Su, Yue Wang, Yuan Tian and Yi Chang
  https://arxiv.org/pdf/1909.03227.pdf
• Dialogue-Based Relation Extraction
  Dian Yu, Kai Sun, Claire Cardie and Dong Yu
  https://arxiv.org/pdf/2004.08056.pdf
• Exploiting the Syntax-Model Consistency for Neural Relation Extraction
  Amir Pouran Ben Veyseh, Franck Dernoncourt, Dejing Dou and Thien Huu Nguyen
  https://ix.cs.uoregon.edu/~thien/pubs/relation-acl20.pdf
• In Layman’s Terms: Semi-Open Relation Extraction from Scientific TextsRuben Kruiper, Julian Vincent, Jessica Chen-Burger, Marc Desmulliez and Ioannis Konstas
  https://arxiv.org/pdf/2005.07751.pdf
• Probing Linguistic Features of Sentence-Level Representations in Relation Extraction
  Christoph Alt, Aleksandra Gabryszak and Leonhard Hennig
  https://arxiv.org/pdf/2004.08134.pdf
• Rationalizing Medical Relation Prediction from Corpus-level Statistics
  Zhen Wang, Jennifer Lee, Simon Lin and Huan Sun 
  https://arxiv.org/pdf/2005.00889.pdf
• Reasoning with Latent Structure Refinement for Document-Level Relation Extraction
  Guoshun Nan, Zhijiang Guo, Ivan Sekulic and Wei Lu
  https://arxiv.org/pdf/2005.06312.pdf
• Relabel the Noise: Joint Extraction of Entities and Relations via Cooperative Multiagents
  Daoyuan Chen, Yaliang Li, Kai Lei and Ying Shen
  https://arxiv.org/pdf/2004.09930.pdf
• TACRED Revisited: A Thorough Evaluation of the TACRED Relation Extraction Task
  Christoph Alt, Aleksandra Gabryszak and Leonhard Hennig
  https://arxiv.org/pdf/2004.14855.pdf
• Towards Understanding Gender Bias in Relation Extraction
  Andrew Gaut, Tony Sun, Shirlyn Tang, Yuxin Huang, Jing Qian, Mai ElSherief, Jieyu Zhao, Diba Mirza, Elizabeth Belding, Kai-Wei Chang and William Yang Wang
  https://arxiv.org/pdf/1911.03642.pdf
• ZeroShotCeres: Zero-Shot Relation Extraction from Semi-Structured Webpages
  Colin Lockard, Prashant Shiralkar, Xin Luna Dong and Hannaneh Hajishirzi
  https://arxiv.org/pdf/2005.07105.pdf
• Relation Extraction with Explanation
  Hamed Shahbazi, Xiaoli Fern, Reza Ghaeini and Prasad Tadepalli
• Revisiting Unsupervised Relation Extraction
  Thy Thy Tran, Phong Le and Sophia Ananiadou
  https://arxiv.org/pdf/2005.0008

Event 相关

• Cross-media Structured Common Space for Multimedia Event Extraction
  Manling Li, Alireza Zareian, Qi Zeng, Spencer Whitehead, Di Lu, Heng Ji and Shih-Fu Chang
  https://arxiv.org/pdf/2005.02472.pdf
• Document-Level Event Role Filler Extraction using Multi-Granularity Contextualized Encoding
  Xinya Du and Claire Cardie
  https://arxiv.org/abs/2005.06579
• Improving Event Detection via Open-domain Trigger Knowledge
  Meihan Tong, Bin Xu, Shuai Wang, Yixin Cao, Lei Hou, Juanzi Li and Jun Xie
• A Two-Step Approach for Implicit Event Argument Detection
  Zhisong Zhang, Xiang Kong, Zhengzhong Liu, Xuezhe Ma and Eduard Hovy
• Towards Open Domain Event Trigger Identification using Adversarial Domain Adaptation
  Aakanksha Naik and Carolyn Rose