Croft, W.B.; Metzler, D.; Strohman, T.: Search engines : information retrieval in practice (2010)
0.01
0.006426006 = product of:
0.038556036 = sum of:
0.038556036 = weight(_text_:t in 2605) [ClassicSimilarity], result of:
0.038556036 = score(doc=2605,freq=2.0), product of:
0.14764035 = queryWeight, product of:
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.037477795 = queryNorm
0.26114836 = fieldWeight in 2605, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.046875 = fieldNorm(doc=2605)
0.16666667 = coord(1/6)
