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中文摘要：
共指消解作为自然语言处理中的一个重要问题一直受到学术界的重视.二十多年来,基于规则的和基于统计的不同方法被提出,在一定程度上推进了该问题研究的发展,并取得了大量研究成果.该文首先介绍了共指消解问题的基本概念,并采用形式化的方法对该问题做了描述;然后,针对国内外近年来在共指消解研究中的方法进行了总结;之后,对共指消解中重要的特征问题进行了分析与讨论;最后,历数了共指消解的各种国际评测,并对未来可能的研究方向进行了展望.
英文摘要：
Coreference resolution, as a challenging issue, has been noted by NLP researchers for a long time. In re- cent twenty years, many kinds of advanced NLP techniques have been applied on this problem, and some of them have achieved significant improvements. In this paper, we first introduce some basic concepts and formalized this isuse. Then we summarize different research strategies adopted by researchers in recent decades. We highlight the feature engineering, which lies in the core of eoreference resolution. Finally we describe the recent evaluations for this task and discusssome key issues and prospects in the future.
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