A New Strategy of Query Expansion using Formal Concept Analysis. - Yufeng Hai; Yajun Du; Haiming Li (CIT, 2006)

A Topic-Specific Web Crawler with Concept Similarity Context Graph Based on FCA. - Yuekui Yang; Yajun Du; Jingyu Sun; Yufeng Hai (ICIC (2), 2008)

Attributes reduction based on important degree of attributes in incomplete information system. - Jilin Yang; Dongmei Wei; Qiong Liu; Yufeng Hai (FUZZ-IEEE, 2009)

Semantic ranking of web pages based on formal concept analysis. - Yajun Du; Yufeng Hai (J. Syst. Softw., 2013)

An approach for selecting seed URLs of focused crawler based on user-interest ontology. - Yajun Du; Yufeng Hai; ChunZhi Xie; Xiao-Ming Wang (Appl. Soft Comput., 2014)