-
Hawking, D.; Robertson, S.: On collection size and retrieval effectiveness (2003)
0.01
0.007725528 = product of:
0.03862764 = sum of:
0.03862764 = product of:
0.11588291 = sum of:
0.11588291 = weight(_text_:22 in 4109) [ClassicSimilarity], result of:
0.11588291 = score(doc=4109,freq=4.0), product of:
0.13236842 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.037799787 = queryNorm
0.8754574 = fieldWeight in 4109, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=4109)
0.33333334 = coord(1/3)
0.2 = coord(1/5)
- Date
- 14. 8.2005 14:22:22
-
Robertson, S.; Callan, J.: Routing and filtering (2005)
0.00
0.004823315 = product of:
0.024116574 = sum of:
0.024116574 = product of:
0.07234972 = sum of:
0.07234972 = weight(_text_:29 in 4688) [ClassicSimilarity], result of:
0.07234972 = score(doc=4688,freq=2.0), product of:
0.13296783 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.037799787 = queryNorm
0.5441145 = fieldWeight in 4688, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.109375 = fieldNorm(doc=4688)
0.33333334 = coord(1/3)
0.2 = coord(1/5)
- Date
- 29. 3.1996 18:16:49
-
Robertson, S.: How Okapi came to TREC (2005)
0.00
0.00413427 = product of:
0.020671349 = sum of:
0.020671349 = product of:
0.062014047 = sum of:
0.062014047 = weight(_text_:29 in 5087) [ClassicSimilarity], result of:
0.062014047 = score(doc=5087,freq=2.0), product of:
0.13296783 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.037799787 = queryNorm
0.46638384 = fieldWeight in 5087, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.09375 = fieldNorm(doc=5087)
0.33333334 = coord(1/3)
0.2 = coord(1/5)
- Date
- 29. 3.1996 18:16:49
-
Robertson, S.; Tait, J.: In Memoriam Karen Sparck Jones (2007)
0.00
0.0040970794 = product of:
0.020485397 = sum of:
0.020485397 = product of:
0.061456192 = sum of:
0.061456192 = weight(_text_:22 in 2927) [ClassicSimilarity], result of:
0.061456192 = score(doc=2927,freq=2.0), product of:
0.13236842 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.037799787 = queryNorm
0.46428138 = fieldWeight in 2927, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=2927)
0.33333334 = coord(1/3)
0.2 = coord(1/5)
- Date
- 26.12.2007 14:22:47