Evaluation of open information extraction methods using Reuters-21578 database

J. M. Rodríguez, H. Merlino, Patricia Pesado, Ramón García-Martínez
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引用次数: 2

Abstract

The following article shows the precision, the recall and the F1-measure for three knowledge extraction methods under Open Information Extraction paradigm. These methods are: ReVerb, OLLIE and ClausIE. For the calculation of these three measures, a representative sample of Reuters-21578 was used; 103 newswire texts were taken randomly from that database. A big discrepancy was observed, after analyzing the obtained results, between the expected and the observed precision for ClausIE. In order to save the observed gap in ClausIE precision, a simple improvement is proposed for the method. Although the correction improved the precision of Clausie, ReVerb turned out to be the most precise method; however ClausIE is the one with the better F1-measure.
基于Reuters-21578数据库的公开信息提取方法评价
下面的文章展示了开放信息抽取范式下三种知识抽取方法的准确率、召回率和f1测度。这些方法是:ReVerb, OLLIE和ClausIE。在计算这三个指标时,使用了具有代表性的Reuters-21578样本;从数据库中随机抽取了103条新闻专线文本。对所得结果进行分析后发现,ClausIE的期望精度与实际精度之间存在较大差异。为了节省观测到的ClausIE精度差距,对该方法进行了简单的改进。虽然修正提高了克劳西的精度,但混响是最精确的方法;然而,clusie是一个更好的f1测量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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