Zhang, J.; An, L.; Tang, T.; Hong, Y.: Visual health subject directory analysis based on users' traversal activities (2009)
0.00
0.0027621046 = product of:
0.0110484185 = sum of:
0.0110484185 = weight(_text_:for in 3112) [ClassicSimilarity], result of:
0.0110484185 = score(doc=3112,freq=2.0), product of:
0.08876751 = queryWeight, product of:
1.8775425 = idf(docFreq=18385, maxDocs=44218)
0.047278564 = queryNorm
0.12446466 = fieldWeight in 3112, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.8775425 = idf(docFreq=18385, maxDocs=44218)
0.046875 = fieldNorm(doc=3112)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.10, S.1977-1994