Poo, D.C.C.; Khoo, C.: Subject searching in online catalog systems (1997)
0.02
0.02272189 = product of:
0.04544378 = sum of:
0.04544378 = product of:
0.09088756 = sum of:
0.09088756 = weight(_text_:c in 7760) [ClassicSimilarity], result of:
0.09088756 = score(doc=7760,freq=2.0), product of:
0.14905113 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.043210678 = queryNorm
0.6097744 = fieldWeight in 7760, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.125 = fieldNorm(doc=7760)
0.5 = coord(1/2)
0.5 = coord(1/2)