Song, R.; Luo, Z.; Nie, J.-Y.; Yu, Y.; Hon, H.-W.: Identification of ambiguous queries in web search (2009)
0.04
0.038487673 = product of:
0.076975346 = sum of:
0.076975346 = product of:
0.11546301 = sum of:
0.018309632 = weight(_text_:h in 2441) [ClassicSimilarity], result of:
0.018309632 = score(doc=2441,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.16469726 = fieldWeight in 2441, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.046875 = fieldNorm(doc=2441)
0.09715338 = weight(_text_:y in 2441) [ClassicSimilarity], result of:
0.09715338 = score(doc=2441,freq=4.0), product of:
0.2153401 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.04474692 = queryNorm
0.45116252 = fieldWeight in 2441, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.046875 = fieldNorm(doc=2441)
0.6666667 = coord(2/3)
0.5 = coord(1/2)