Zhang, J.; Wolfram, D.; Wang, P.; Hong, Y.; Gillis, R.: Visualization of health-subject analysis based on query term co-occurrences (2008)
0.01
0.014401315 = product of:
0.02880263 = sum of:
0.02880263 = product of:
0.05760526 = sum of:
0.05760526 = weight(_text_:y in 2376) [ClassicSimilarity], result of:
0.05760526 = score(doc=2376,freq=2.0), product of:
0.21668325 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.045026023 = queryNorm
0.26585007 = fieldWeight in 2376, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=2376)
0.5 = coord(1/2)
0.5 = coord(1/2)