Spink, A.; Jansen, B.J.; Blakely, C.; Koshman, S.: ¬A study of results overlap and uniqueness among major Web search engines (2006)
0.00
0.0029439486 = product of:
0.011775794 = sum of:
0.011775794 = product of:
0.023551589 = sum of:
0.023551589 = weight(_text_:management in 993) [ClassicSimilarity], result of:
0.023551589 = score(doc=993,freq=2.0), product of:
0.15810528 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.046906993 = queryNorm
0.14896142 = fieldWeight in 993, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.03125 = fieldNorm(doc=993)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Information processing and management. 42(2006) no.5, S.1379-1391