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Prasad, A.R.D.; Kar, B.B.: Parsing Boolean search expression using definite clause grammars (1994)
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Tenopir, C.: Online databases : natural language searching with WIN (1993)
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Guerrero-Bote, V.P.; Moya Anegón, F. de; Herrero Solana, V.: Document organization using Kohonen's algorithm (2002)
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Lenski, W.; Wette-Roch, E.: Foundational aspects of knowledge-based information systems in scientific domains (1997)
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Sa, N.; Yuan, X.J.: Examining users' partial query modification patterns in voice search (2020)
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