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Robertson, S.E.: OKAPI at TREC-1 (1994)
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Robertson, S.E.: OKAPI at TREC-3 (1995)
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Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997)
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Faloutsos, C.: Signature files (1992)
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- 7. 5.1999 15:22:48
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Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
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- 1. 8.1996 22:08:06
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Joss, M.W.; Wszola, S.: ¬The engines that can : text search and retrieval software, their strategies, and vendors (1996)
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- 12. 9.1996 13:56:22
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Kelledy, F.; Smeaton, A.F.: Signature files and beyond (1996)
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- Source
- Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon
-
Burgin, R.: ¬The retrieval effectiveness of 5 clustering algorithms as a function of indexing exhaustivity (1995)
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- 22. 2.1996 11:20:06
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Efthimiadis, E.N.: User choices : a new yardstick for the evaluation of ranking algorithms for interactive query expansion (1995)
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