Wu, I.-C.; Liu, D.-R.; Chang, P.-C.: Learning dynamic information needs : a collaborative topic variation inspection approach (2009)
0.01
0.008645745 = product of:
0.01729149 = sum of:
0.01729149 = product of:
0.03458298 = sum of:
0.03458298 = weight(_text_:22 in 3293) [ClassicSimilarity], result of:
0.03458298 = score(doc=3293,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.19345059 = fieldWeight in 3293, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=3293)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 2. 2.2010 19:22:51