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Fagan, J.L.: ¬The effectiveness of a nonsyntactic approach to automatic phrase indexing for document retrieval (1989)
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Burke, R.D.: Question answering from frequently asked question files : experiences with the FAQ Finder System (1997)
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Mestrovic, A.; Cali, A.: ¬An ontology-based approach to information retrieval (2017)
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Vechtomova, O.; Karamuftuoglu, M.: Elicitation and use of relevance feedback information (2006)
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Driscoll, J.R.; Rajala, D.A.; Shaffer, W.H.: ¬The operation and performance of an artificially intelligent keywording system (1991)
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