A ProtoType Question Answering System Using Syntactic and Semantic Information for Answer Retrieval. - Enrique Alfonseca; Marco De Boni; José-Luis Jara-Valencia; Suresh Manandhar (TREC, 2001)

The YorkQA Prototype Question Answering System. - Marco De Boni; José-Luis Jara-Valencia; Suresh Manandhar (TREC, 2002)

Generic named entity extraction. - José-Luis Jara-Valencia (2005)