Baeza-Yates, R.; Hurtado, C.; Mendoza, M.: Improving search engines by query clustering (2007)
0.00
0.0011730484 = product of:
0.0023460968 = sum of:
0.0023460968 = product of:
0.0046921936 = sum of:
0.0046921936 = weight(_text_:s in 601) [ClassicSimilarity], result of:
0.0046921936 = score(doc=601,freq=2.0), product of:
0.055801827 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.05132441 = queryNorm
0.08408674 = fieldWeight in 601, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=601)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 58(2007) no.12, S.1793-1804