Ding, Y.; Jacob, E.K.; Zhang, Z.; Foo, S.; Yan, E.; George, N.L.; Guo, L.: Perspectives on social tagging (2009)
0.02
0.020305645 = product of:
0.04061129 = sum of:
0.04061129 = product of:
0.08122258 = sum of:
0.08122258 = weight(_text_:y in 3290) [ClassicSimilarity], result of:
0.08122258 = score(doc=3290,freq=2.0), product of:
0.2546002 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.05290503 = queryNorm
0.3190201 = fieldWeight in 3290, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.046875 = fieldNorm(doc=3290)
0.5 = coord(1/2)
0.5 = coord(1/2)
