Question Answering Systems Performance Evaluation - To Construct an Effective Conceptual Query Based on Ontologies and WordNet. - Santosh Kumar Ray; Shailendra Singh 001; Bhagwati P. Joshi (SWAP, 2008)

Exploring Multiple Ontologies and WordNet Framework to Expand Query for Question Answering System. - Santosh Kumar Ray; Shailendra Singh 001; Bhagwati P. Joshi (IHCI, 2009)

Question Classification - A Semantic Approach using WordNet and Wikipedia. - Santosh Kumar Ray; Shailendra Singh 001; Bhagwati P. Joshi (IICAI, 2009)

A semantic approach for question classification using WordNet and Wikipedia. - Santosh Kumar Ray; Shailendra Singh 001; Bhagwati P. Joshi (Pattern Recognit. Lett., 2010)