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Falk, H.: Building and using document databases (1998)
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Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989)
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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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Falk, H.: Document file searching (1998)
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Turtle, H.; Flood, J.: Query evaluation : strategies and optimizations (1995)
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