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Kristensen, J.: Expanding end-users' query statements for free text searching with a search-aid thesaurus (1993)
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Blair, D.C.; Maron, M.E.: Full-text information retrieval : further analysis and clarification (1990)
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Turtle, H.; Flood, J.: Query evaluation : strategies and optimizations (1995)
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Wildemuth, B.M.: Measures of success in searching a full-text fact base (1990)
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Pirkola, A.; Jarvelin, K.: ¬The effect of anaphor and ellipsis resolution on proximity searching in a text database (1995)
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Voorbij, H.: Title keywords and subject descriptors : a comparison of subject search entries of books in the humanities and social sciences (1998)
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