计算机科学 ›› 2014, Vol. 41 ›› Issue (6): 148-154.doi: 10.11896/j.issn.1002-137X.2014.06.029
陈立辉,苏伟,蔡川,陈晓云
CHEN Li-hui,SU Wei,CAI Chuan and CHEN Xiao-yun
摘要： 数学论坛、Wiki等社会性网站对数学教育的影响日益增长,数学公式广泛存在这些网站中,如何对这些网站中的数学公式进行搜索,对学习和科研非常重要。数学公式提取是索引系统的前提和基础,文中主要研究LaTex格式的数学公式的提取方法,结合BNF表述方式,提出自动分析提取包含LaTex公式特征的方法。依据公式包含的特征,提出提取和过滤LaTex数学公式的方法规则。通过实验发现,该方法的查全率达到75%,查准率达到99%。
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