Akeroyd, J.; Brimage, D.; Royce, C.: Using CD-ROM as a public access catalogue (1988)
0.01
0.011333003 = product of:
0.022666005 = sum of:
0.022666005 = product of:
0.04533201 = sum of:
0.04533201 = weight(_text_:c in 2132) [ClassicSimilarity], result of:
0.04533201 = score(doc=2132,freq=2.0), product of:
0.14868453 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.043104395 = queryNorm
0.3048872 = fieldWeight in 2132, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.0625 = fieldNorm(doc=2132)
0.5 = coord(1/2)
0.5 = coord(1/2)