Robertson, S.E.; Walker, S.; Beaulieu, M.M.; Gatford, M.; Payne, A.: Okapi at TREC-4 (1996)
0.00
0.0012555057 = product of:
0.00878854 = sum of:
0.00878854 = product of:
0.0439427 = sum of:
0.0439427 = weight(_text_:retrieval in 7546) [ClassicSimilarity], result of:
0.0439427 = score(doc=7546,freq=2.0), product of:
0.109568894 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.03622214 = queryNorm
0.40105087 = fieldWeight in 7546, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.09375 = fieldNorm(doc=7546)
0.2 = coord(1/5)
0.14285715 = coord(1/7)
- Source
- The Fourth Text Retrieval Conference (TREC-4). Ed.: K. Harman