Prasher, R.G.: Evaluation of indexing system (1989)
0.01
0.007999831 = product of:
0.015999662 = sum of:
0.015999662 = product of:
0.031999324 = sum of:
0.031999324 = weight(_text_:library in 4998) [ClassicSimilarity], result of:
0.031999324 = score(doc=4998,freq=2.0), product of:
0.13768692 = queryWeight, product of:
2.6293786 = idf(docFreq=8668, maxDocs=44218)
0.052364815 = queryNorm
0.23240642 = fieldWeight in 4998, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6293786 = idf(docFreq=8668, maxDocs=44218)
0.0625 = fieldNorm(doc=4998)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Herald of library science. 28(1989) no.3, S.157-65