-
Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960)
0.03
0.026250094 = product of:
0.07000025 = sum of:
0.023188837 = weight(_text_:of in 6158) [ClassicSimilarity], result of:
0.023188837 = score(doc=6158,freq=6.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.3591007 = fieldWeight in 6158, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=6158)
0.013242318 = product of:
0.026484637 = sum of:
0.026484637 = weight(_text_:on in 6158) [ClassicSimilarity], result of:
0.026484637 = score(doc=6158,freq=2.0), product of:
0.090823986 = queryWeight, product of:
2.199415 = idf(docFreq=13325, maxDocs=44218)
0.041294612 = queryNorm
0.29160398 = fieldWeight in 6158, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.199415 = idf(docFreq=13325, maxDocs=44218)
0.09375 = fieldNorm(doc=6158)
0.5 = coord(1/2)
0.033569098 = product of:
0.067138195 = sum of:
0.067138195 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
0.067138195 = score(doc=6158,freq=2.0), product of:
0.1446067 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041294612 = 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)
0.5 = coord(1/2)
0.375 = coord(3/8)
- Footnote
- Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
- Imprint
- Cranfield : College of Aeronautics
-
Cleverdon, C.W.: Aslib Cranfield research project : report on the testing and analysis of an investigation into the comparative efficiency of indexing systems (1962)
0.01
0.010725308 = product of:
0.042901233 = sum of:
0.025244808 = weight(_text_:of in 2741) [ClassicSimilarity], result of:
0.025244808 = score(doc=2741,freq=4.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.39093933 = fieldWeight in 2741, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.125 = fieldNorm(doc=2741)
0.017656423 = product of:
0.035312846 = sum of:
0.035312846 = weight(_text_:on in 2741) [ClassicSimilarity], result of:
0.035312846 = score(doc=2741,freq=2.0), product of:
0.090823986 = queryWeight, product of:
2.199415 = idf(docFreq=13325, maxDocs=44218)
0.041294612 = queryNorm
0.3888053 = fieldWeight in 2741, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.199415 = idf(docFreq=13325, maxDocs=44218)
0.125 = fieldNorm(doc=2741)
0.5 = coord(1/2)
0.25 = coord(2/8)
-
Cleverdon, C.W.; Mills, J.; Keen, M.: Factors determining the performance of indexing systems : ASLIB Cranfield research project (1966)
0.00
0.002761151 = product of:
0.022089208 = sum of:
0.022089208 = weight(_text_:of in 5363) [ClassicSimilarity], result of:
0.022089208 = score(doc=5363,freq=4.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.34207192 = fieldWeight in 5363, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=5363)
0.125 = coord(1/8)
- Imprint
- Cranfield : The College of Aeronautics