-
Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960)
0.07
0.068454355 = product of:
0.20536307 = sum of:
0.20536307 = sum of:
0.11179841 = weight(_text_:indexing in 6158) [ClassicSimilarity], result of:
0.11179841 = score(doc=6158,freq=2.0), product of:
0.2202888 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.057548698 = queryNorm
0.5075084 = fieldWeight in 6158, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.09375 = fieldNorm(doc=6158)
0.093564644 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
0.093564644 = score(doc=6158,freq=2.0), product of:
0.20152573 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.057548698 = 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)
0.33333334 = coord(1/3)
- Footnote
- Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
-
Cleverdon, C.W.: Aslib Cranfield research project : report on the testing and analysis of an investigation into the comparative efficiency of indexing systems (1962)
0.02
0.024844091 = product of:
0.07453227 = sum of:
0.07453227 = product of:
0.14906454 = sum of:
0.14906454 = weight(_text_:indexing in 2741) [ClassicSimilarity], result of:
0.14906454 = score(doc=2741,freq=2.0), product of:
0.2202888 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.057548698 = queryNorm
0.6766778 = fieldWeight in 2741, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=2741)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Cleverdon, C.W.; Mills, J.; Keen, M.: Factors determining the performance of indexing systems : ASLIB Cranfield research project (1966)
0.02
0.02173858 = product of:
0.06521574 = sum of:
0.06521574 = product of:
0.13043147 = sum of:
0.13043147 = weight(_text_:indexing in 5363) [ClassicSimilarity], result of:
0.13043147 = score(doc=5363,freq=2.0), product of:
0.2202888 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.057548698 = queryNorm
0.5920931 = fieldWeight in 5363, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.109375 = fieldNorm(doc=5363)
0.5 = coord(1/2)
0.33333334 = coord(1/3)