-
Robertson, S.E.: On relevance weight estimation and query expansion (1986)
0.01
0.009831011 = product of:
0.049155056 = sum of:
0.049155056 = weight(_text_:u in 3875) [ClassicSimilarity], result of:
0.049155056 = score(doc=3875,freq=2.0), product of:
0.13587062 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041494254 = queryNorm
0.3617784 = fieldWeight in 3875, 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=3875)
0.2 = coord(1/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Robertson, S.E.: On term selection for query expansion (1990)
0.01
0.00786481 = product of:
0.039324045 = sum of:
0.039324045 = weight(_text_:u in 2650) [ClassicSimilarity], result of:
0.039324045 = score(doc=2650,freq=2.0), product of:
0.13587062 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041494254 = queryNorm
0.28942272 = fieldWeight in 2650, 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=2650)
0.2 = coord(1/5)
- 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)
0.01
0.006881708 = product of:
0.03440854 = sum of:
0.03440854 = weight(_text_:u in 6964) [ClassicSimilarity], result of:
0.03440854 = score(doc=6964,freq=2.0), product of:
0.13587062 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041494254 = 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)
0.2 = coord(1/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Robertson, S.E.: OKAPI at TREC-3 (1995)
0.01
0.006881708 = product of:
0.03440854 = sum of:
0.03440854 = weight(_text_:u in 5694) [ClassicSimilarity], result of:
0.03440854 = score(doc=5694,freq=2.0), product of:
0.13587062 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041494254 = queryNorm
0.25324488 = fieldWeight in 5694, 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=5694)
0.2 = coord(1/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Vechtomova, O.; Robertson, S.E.: ¬A domain-independent approach to finding related entities (2012)
0.01
0.0058986065 = product of:
0.029493032 = sum of:
0.029493032 = weight(_text_:u in 2733) [ClassicSimilarity], result of:
0.029493032 = score(doc=2733,freq=2.0), product of:
0.13587062 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041494254 = queryNorm
0.21706703 = fieldWeight in 2733, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=2733)
0.2 = coord(1/5)
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
