-
Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960)
0.01
0.008960012 = product of:
0.026880037 = sum of:
0.0090247495 = weight(_text_:e in 6158) [ClassicSimilarity], result of:
0.0090247495 = score(doc=6158,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.19057012 = fieldWeight in 6158, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.09375 = fieldNorm(doc=6158)
0.017855287 = product of:
0.05356586 = sum of:
0.05356586 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
0.05356586 = score(doc=6158,freq=2.0), product of:
0.1153737 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03294669 = 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)
0.33333334 = coord(2/6)
- Footnote
- Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
- Language
- e
-
Cleverdon, C.W.: Aslib Cranfield research project : report on the testing and analysis of an investigation into the comparative efficiency of indexing systems (1962)
0.00
0.0020055 = product of:
0.012033 = sum of:
0.012033 = weight(_text_:e in 2741) [ClassicSimilarity], result of:
0.012033 = score(doc=2741,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2540935 = fieldWeight in 2741, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2741)
0.16666667 = coord(1/6)
- Language
- e
-
Cleverdon, C.W.; Mills, J.; Keen, M.: Factors determining the performance of indexing systems : ASLIB Cranfield research project (1966)
0.00
0.0017548124 = product of:
0.010528875 = sum of:
0.010528875 = weight(_text_:e in 5363) [ClassicSimilarity], result of:
0.010528875 = score(doc=5363,freq=2.0), product of:
0.047356583 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.03294669 = queryNorm
0.2223318 = fieldWeight in 5363, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=5363)
0.16666667 = coord(1/6)
- Language
- e