An Indexing Method of Mathematical Expression Retrieval

被引：0
|
作者：
Tian, Xuedong [1 ,2 ]
Yang, Songqiang [1 ,2 ]
Li, Xinfu [1 ,2 ]
Yang, Fang [1 ,2 ]
机构：
[1] Hebei Univ, Coll Math & Comp Sci, Baoding, Peoples R China
[2] Hebei Key Lab Machine Learning & Computat Intelli, Baoding, Peoples R China
来源：
2013 3RD INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND NETWORK TECHNOLOGY (ICCSNT) | 2013年
基金：
中国国家自然科学基金;
关键词：
mathematical expressions retrieval; nonlinear; LaTeX; data structure; expression indexing;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
As the kernel component of scientific documents, mathematical expressions are becoming a new object of searching engines. Different from normal text, mathematical expressions are composed of various kinds of symbols arranged in nonlinear mode, which results in the limitations of traditional full-text information retrieval used for expression searching. In this paper, we discuss the existing search engine of mathematical expressions and introduce the two-dimensional characteristics of mathematical expressions firstly. Then, a data structure of expressing mathematical formulas is designed which contains not only the symbol code but also the mathematical information among symbols. Finally, the indexing algorithm of mathematical expressions is put forward on the basis of the expression data structure. The experimental result shows the effectiveness of the indexing method proposed in this paper.
引用
收藏
页码：574 / 578
页数：5
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