Robertson, S.E.; Walker, S.; Hancock-Beaulieu, M.M.: Large test collection experiments of an operational, interactive system : OKAPI at TREC (1995)
0.00
0.004004761 = product of:
0.028033325 = sum of:
0.0070627616 = weight(_text_:information in 6964) [ClassicSimilarity], result of:
0.0070627616 = score(doc=6964,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.13576832 = fieldWeight in 6964, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0546875 = fieldNorm(doc=6964)
0.020970564 = weight(_text_:retrieval in 6964) [ClassicSimilarity], result of:
0.020970564 = score(doc=6964,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.23394634 = fieldWeight in 6964, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0546875 = fieldNorm(doc=6964)
0.14285715 = coord(2/14)
- Source
- Information processing and management. 31(1995) no.3, S.345-360
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
