-
Voorhees, E.M.; Harman, D.: Overview of the Sixth Text REtrieval Conference (TREC-6) (2000)
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- Date
- 11. 8.2001 16:22:19
- Source
- Information processing and management. 36(2000) no.1, S.3-36
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Harman, D.: Overview of the Second Text Retrieval Conference : TREC-2 (1995)
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- Source
- Information processing and management. 31(1995) no.3, S.271-289
-
Smeaton, A.F.; Harman, D.: ¬The TREC experiments and their impact on Europe (1997)
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- Source
- Journal of information science. 23(1997) no.2, S.169-174
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Harman, D.: Overview of the first Text Retrieval Conference (1993)
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- Pages
- S.181-187
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Harman, D.: ¬The Text REtrieval Conferences (TRECs) : providing a test-bed for information retrieval systems (1998)
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- Source
- Bulletin of the American Society for Information Science. 24(1998), April/May, S.11-13