Song, R.; Luo, Z.; Nie, J.-Y.; Yu, Y.; Hon, H.-W.: Identification of ambiguous queries in web search (2009)
0.04
0.038583025 = product of:
0.07716605 = sum of:
0.07716605 = product of:
0.115749076 = sum of:
0.018441238 = weight(_text_:h in 3441) [ClassicSimilarity], result of:
0.018441238 = score(doc=3441,freq=2.0), product of:
0.1119302 = queryWeight, product of:
2.485344 = idf(docFreq=10057, maxDocs=44421)
0.0450361 = queryNorm
0.16475658 = fieldWeight in 3441, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.485344 = idf(docFreq=10057, maxDocs=44421)
0.046875 = fieldNorm(doc=3441)
0.09730784 = weight(_text_:y in 3441) [ClassicSimilarity], result of:
0.09730784 = score(doc=3441,freq=4.0), product of:
0.21620646 = queryWeight, product of:
4.800737 = idf(docFreq=992, maxDocs=44421)
0.0450361 = queryNorm
0.45006907 = fieldWeight in 3441, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.800737 = idf(docFreq=992, maxDocs=44421)
0.046875 = fieldNorm(doc=3441)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
