Media type: E-Article Title: Using logical relevance for question answering Contributor: De Boni, Marco imprint: Elsevier BV, 2007 Published in: Journal of Applied Logic Language: English DOI: 10.1016/j.jal.2005.12.003 ISSN: 1570-8683 Keywords: Applied Mathematics ; Logic Origination: Footnote: Access State: Open Access