Lau, E.P.; Goh, H.-L.: In search of query patterns : a case study of a university OPAC (2006)
0.01
0.0063588563 = product of:
0.025435425 = sum of:
0.025435425 = product of:
0.05087085 = sum of:
0.05087085 = weight(_text_:processing in 988) [ClassicSimilarity], result of:
0.05087085 = score(doc=988,freq=2.0), product of:
0.18956426 = queryWeight, product of:
4.048147 = idf(docFreq=2097, maxDocs=44218)
0.046827413 = queryNorm
0.26835677 = fieldWeight in 988, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.048147 = idf(docFreq=2097, maxDocs=44218)
0.046875 = fieldNorm(doc=988)
0.5 = coord(1/2)
0.25 = coord(1/4)
- Source
- Information processing and management. 42(2006) no.5, S.1316-1329