Khoo, C.S.G.; Wan, K.-W.: ¬A simple relevancy-ranking strategy for an interface to Boolean OPACs (2004)
0.01
0.010097769 = product of:
0.030293306 = sum of:
0.030293306 = product of:
0.04543996 = sum of:
0.023156554 = weight(_text_:k in 2509) [ClassicSimilarity], result of:
0.023156554 = score(doc=2509,freq=2.0), product of:
0.16774888 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.046991404 = queryNorm
0.13804297 = fieldWeight in 2509, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.02734375 = fieldNorm(doc=2509)
0.022283403 = weight(_text_:22 in 2509) [ClassicSimilarity], result of:
0.022283403 = score(doc=2509,freq=2.0), product of:
0.16455589 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046991404 = queryNorm
0.1354154 = fieldWeight in 2509, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.02734375 = fieldNorm(doc=2509)
0.6666667 = coord(2/3)
0.33333334 = coord(1/3)
- Source
- Electronic library. 22(2004) no.2, S.112-120