基于数学表达式特征的科技文档检索模型

田学东,崔晓娟

A retrieval model of scientific documents based on mathematical expression features

TIAN Xuedong,CUI Xiaojuan

河北大学学报(自然科学版) . 2017, (6): 652 -661 . DOI: 10.3969/j.issn.1000-1565.2017.06.013