Media type: E-Article Title: AI 2009: Advances in Artificial Intelligence: Can Shallow Semantic Class Information Help Answer Passage Retrieval? Contributor: Ofoghi, Bahadorreza; Yearwood, John Published: Springer Berlin Heidelberg, 2009 Published in: AI 2009: Advances in Artificial Intelligence (2009), Seite 587-596 Language: Not determined DOI: 10.1007/978-3-642-10439-8_59 ISBN: 9783642104398; 9783642104381 ISSN: 1611-3349; 0302-9743 Origination: Footnote: