Chun Chen


pdf bib
Enhancing Entity Boundary Detection for Better Chinese Named Entity Recognition
Chun Chen | Fang Kong
Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)

In comparison with English, due to the lack of explicit word boundary and tenses information, Chinese Named Entity Recognition (NER) is much more challenging. In this paper, we propose a boundary enhanced approach for better Chinese NER. In particular, our approach enhances the boundary information from two perspectives. On one hand, we enhance the representation of the internal dependency of phrases by an additional Graph Attention Network(GAT) layer. On the other hand, taking the entity head-tail prediction (i.e., boundaries) as an auxiliary task, we propose an unified framework to learn the boundary information and recognize the NE jointly. Experiments on both the OntoNotes and the Weibo corpora show the effectiveness of our approach.


pdf bib
面向微博文本的融合字词信息的轻量级命名实体识别(Lightweight Named Entity Recognition for Weibo Based on Word and Character)
Chun Chen (陈淳) | Mingyang Li (李明扬) | Fang Kong (孔芳)
Proceedings of the 19th Chinese National Conference on Computational Linguistics



pdf bib
Opinion Word Expansion and Target Extraction through Double Propagation
Guang Qiu | Bing Liu | Jiajun Bu | Chun Chen
Computational Linguistics, Volume 37, Issue 1 - March 2011


pdf bib
Manifolds Based Emotion Recognition in Speech
Mingyu You | Chun Chen | Jiajun Bu | Jia Liu | Jianhua Tao
International Journal of Computational Linguistics & Chinese Language Processing, Volume 12, Number 1, March 2007: Special Issue on Affective Speech Processing

pdf bib
Exploration of Term Dependence in Sentence Retrieval
Keke Cai | Jiajun Bu | Chun Chen | Kangmiao Liu
Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics Companion Volume Proceedings of the Demo and Poster Sessions