Concept-Based Feature Generation and Selection for Information Retrieval. - Ofer Egozi; Evgeniy Gabrilovich; Shaul Markovitch (AAAI, 2008)

Concept-Based Information Retrieval Using Explicit Semantic Analysis. - Ofer Egozi; Shaul Markovitch; Evgeniy Gabrilovich (ACM Trans. Inf. Syst., 2011)