Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960)
0.02
0.016655907 = product of:
0.083279535 = sum of:
0.083279535 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
0.083279535 = score(doc=6158,freq=2.0), product of:
0.17937298 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.051222645 = queryNorm
0.46428138 = fieldWeight in 6158, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=6158)
0.2 = coord(1/5)
- Footnote
- Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
