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Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
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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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Klas, C.-P.; Fuhr, N.; Schaefer, A.: Evaluating strategic support for information access in the DAFFODIL system (2004)
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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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- 22. 2.1996 13:14:10
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- Information processing and management. 31(1995) no.4, S.605-620
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Song, D.; Bruza, P.D.: Towards context sensitive information inference (2003)
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- 22. 3.2003 19:35:46
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Shiri, A.A.; Revie, C.: Query expansion behavior within a thesaurus-enhanced search environment : a user-centered evaluation (2006)
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- 22. 7.2006 16:32:43
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- Journal of the American Society for Information Science and Technology. 57(2006) no.4, S.462-478
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Bhansali, D.; Desai, H.; Deulkar, K.: ¬A study of different ranking approaches for semantic search (2015)
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Jindal, V.; Bawa, S.; Batra, S.: ¬A review of ranking approaches for semantic search on Web (2014)
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- Information processing and management. 50(2014) no.2, S.416-425
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Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992)
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Beaulieu, M.; Jones, S.: Interactive searching and interface issues in the Okapi best match probabilistic retrieval system (1998)
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- Interacting with computers. 10(1998) no.3, S.237-248
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Srinivasan, P.: Query expansion and MEDLINE (1996)
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Kulyukin, V.A.; Settle, A.: Ranked retrieval with semantic networks and vector spaces (2001)
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Calegari, S.; Sanchez, E.: Object-fuzzy concept network : an enrichment of ontologies in semantic information retrieval (2008)
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- Journal of the American Society for Information Science and Technology. 59(2008) no.13, S.2171-2185
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Robertson, S.E.: OKAPI at TREC-3 (1995)
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- 27 S
-
Bhogal, J.; Macfarlane, A.; Smith, P.: ¬A review of ontology based query expansion (2007)
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- Information processing and management. 43(2007) no.4, S.866-886
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Kwok, K.L.: ¬A network approach to probabilistic information retrieval (1995)
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- ACM transactions on information systems. 13(1995) no.3, S.324-353
-
Chen, H.; Zhang, Y.; Houston, A.L.: Semantic indexing and searching using a Hopfield net (1998)
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- Journal of information science. 24(1998) no.1, S.3-18
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Nie, J.-Y.: Query expansion and query translation as logical inference (2003)
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Zhang, W.; Yoshida, T.; Tang, X.: ¬A comparative study of TF*IDF, LSI and multi-words for text classification (2011)
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- Expert-systems with applications. 38(2011) no.3, S.2758-2765
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Chen, H.; Lally, A.M.; Zhu, B.; Chau, M.: HelpfulMed : Intelligent searching for medical information over the Internet (2003)
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