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author_ss:"Wang, J."
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theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
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year_i:[1990 TO 2000}
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- rswk_00%3a%22nd%c3%BCrlichsprachiges system %2f dokumentverarbeitung %2f wissensrepr%c3%A4sentation %2f benutzermodell %2f information retrieval %2f relationales datenmodell%22 1
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Gauch, S.; Wang, J.: Corpus analysis for TREC 5 query expansion (1997)
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0.0030065677 = product of: 0.042091947 = sum of: 0.042091947 = weight(_text_:retrieval in 5800) [ClassicSimilarity], result of: 0.042091947 = score(doc=5800,freq=4.0), product of: 0.07421378 = queryWeight, product of: 3.024915 = idf(docFreq=5836, maxDocs=44218) 0.02453417 = queryNorm 0.5671716 = fieldWeight in 5800, product of: 2.0 = tf(freq=4.0), with freq of: 4.0 = termFreq=4.0 3.024915 = idf(docFreq=5836, maxDocs=44218) 0.09375 = fieldNorm(doc=5800) 0.071428575 = coord(1/14)
- Source
- The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval