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Drabenstott, K.M.; Weller, M.S.: Handling spelling errors in online catalog searches (1996)
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Griffin, A.; Burke, M.: Friend or foe? : An evaluation of the user-friendliness of Viewpoint, the Galaxy 2000 OPAC (1997)
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Young, C.W.; Eastman, C.M.; Oakman, R.L.: ¬An analysis of ill-formed input in natural language queries to document retrieval systems (1991)
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Batra, D.; Sein, M.K.: Improving conceptual database design through feedback (1994)
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Baud, R.: Natural language processing and GALEN (1992)
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