Chun Chen


2020

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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

中文社交媒体命名实体识别由于其领域特殊性,一直广受关注。非正式且无结构的微博文本存在以下两个问题:一是词语边界模糊;二是语料规模有限。针对问题一,本文将同维度的字词进行融合,获得丰富的文本序列表征;针对问题二,提出了基于Star-Transformer框架的命名实体识别模型,借助星型拓扑结构更好地捕获动态特征;同时利用高速网络优化Star-Transformer中的信息桥接,提升模型的鲁棒性。本文提出的轻量级命名实体识别模型取得了目前Weibo语料上最好的效果。

2011

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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

2007

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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

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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