-
Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997)
0.01
0.007182997 = product of:
0.050280977 = sum of:
0.050280977 = weight(_text_:u in 3097) [ClassicSimilarity], result of:
0.050280977 = score(doc=3097,freq=2.0), product of:
0.11581901 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.035370585 = queryNorm
0.43413407 = fieldWeight in 3097, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.09375 = fieldNorm(doc=3097)
0.14285715 = coord(1/7)
- Source
- The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman
-
Walker, S.; DeVere, R.: Improving subject retrieval in online catalogues : T.2: Relevance feedback and query expansion (1990)
0.01
0.0059858314 = product of:
0.041900817 = sum of:
0.041900817 = weight(_text_:u in 1816) [ClassicSimilarity], result of:
0.041900817 = score(doc=1816,freq=2.0), product of:
0.11581901 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.035370585 = queryNorm
0.3617784 = fieldWeight in 1816, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.078125 = fieldNorm(doc=1816)
0.14285715 = coord(1/7)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Walker, S.: Subject access in online catalogues (1991)
0.00
0.004788665 = product of:
0.033520654 = sum of:
0.033520654 = weight(_text_:u in 5690) [ClassicSimilarity], result of:
0.033520654 = score(doc=5690,freq=2.0), product of:
0.11581901 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.035370585 = queryNorm
0.28942272 = fieldWeight in 5690, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0625 = fieldNorm(doc=5690)
0.14285715 = coord(1/7)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Robertson, S.E.; Walker, S.; Hancock-Beaulieu, M.M.: Large test collection experiments of an operational, interactive system : OKAPI at TREC (1995)
0.00
0.0041900817 = product of:
0.02933057 = sum of:
0.02933057 = weight(_text_:u in 6964) [ClassicSimilarity], result of:
0.02933057 = score(doc=6964,freq=2.0), product of:
0.11581901 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.035370585 = queryNorm
0.25324488 = fieldWeight in 6964, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0546875 = fieldNorm(doc=6964)
0.14285715 = coord(1/7)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992)
0.00
0.0041900817 = product of:
0.02933057 = sum of:
0.02933057 = weight(_text_:u in 2731) [ClassicSimilarity], result of:
0.02933057 = score(doc=2731,freq=2.0), product of:
0.11581901 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.035370585 = queryNorm
0.25324488 = fieldWeight in 2731, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0546875 = fieldNorm(doc=2731)
0.14285715 = coord(1/7)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Jones, S.; Gatford, M.; Robertson, S.; Hancock-Beaulieu, M.; Secker, J.; Walker, S.: Interactive thesaurus navigation : intelligence rules OK? (1995)
0.00
0.00394564 = product of:
0.027619477 = sum of:
0.027619477 = weight(_text_:j in 180) [ClassicSimilarity], result of:
0.027619477 = score(doc=180,freq=2.0), product of:
0.11238991 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.035370585 = queryNorm
0.24574696 = fieldWeight in 180, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0546875 = fieldNorm(doc=180)
0.14285715 = coord(1/7)
