Song, J.; Huang, Y.; Qi, X.; Li, Y.; Li, F.; Fu, K.; Huang, T.: Discovering hierarchical topic evolution in time-stamped documents (2016)
0.05
0.04938808 = product of:
0.09877616 = sum of:
0.09877616 = product of:
0.14816424 = sum of:
0.10666323 = weight(_text_:y in 2853) [ClassicSimilarity], result of:
0.10666323 = score(doc=2853,freq=4.0), product of:
0.23641863 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.049126968 = queryNorm
0.45116252 = fieldWeight in 2853, 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=2853)
0.041501008 = weight(_text_:k in 2853) [ClassicSimilarity], result of:
0.041501008 = score(doc=2853,freq=2.0), product of:
0.17537236 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.049126968 = queryNorm
0.23664509 = fieldWeight in 2853, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.046875 = fieldNorm(doc=2853)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
