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Chinese Pronominal Anaphora Resolution Using Lexical Knowledge and Entropy-Based Weight

机译:基于词汇知识和基于熵的权重的汉语代词回指解析

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摘要

Pronominal anaphors are commonly observed in written texts. In this article, effective Chinese pronominal anaphora resolution is addressed by using lexical knowledge acquisition and salience measurement. The lexical knowledge acquisition is aimed to extract more semantic features, such as gender, number, and collocate compatibility by employing multiple resources. The presented salience measurement is based on entropy-based weighting on selecting antecedent candidates. The resolution is justified with a real corpus and compared with a rule-based model. Experimental results by five-fold cross-validation show that our approach yields 82.5% success rate on 1343 anaphoric instances. In comparison with a general rule-based approach, the performance is improved by 7%.
机译:代词照应通常出现在书面文本中。在本文中,通过使用词汇知识获取和显着性度量来解决有效的汉语代词照应的解析。词汇知识的获取旨在通过使用多种资源来提取更多的语义特征,例如性别,数字,以及搭配兼容性。提出的显着性测量基于选择先前候选者时基于熵的加权。该解决方案具有真实的语料库,并且可以与基于规则的模型进行比较。通过五次交叉验证的实验结果表明,我们的方法在1343个照应实例上产生了82.5%的成功率。与基于常规规则的方法相比,性能提高了7%。

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