-
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.: ¬The Cranfield tests on index language devices (1967)
0.02
0.015834665 = product of:
0.06333866 = sum of:
0.050096344 = weight(_text_:retrieval in 1957) [ClassicSimilarity], result of:
0.050096344 = score(doc=1957,freq=2.0), product of:
0.124912694 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.041294612 = queryNorm
0.40105087 = fieldWeight in 1957, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.09375 = fieldNorm(doc=1957)
0.013242318 = product of:
0.026484637 = sum of:
0.026484637 = weight(_text_:on in 1957) [ClassicSimilarity], result of:
0.026484637 = score(doc=1957,freq=2.0), product of:
0.090823986 = queryWeight, product of:
2.199415 = idf(docFreq=13325, maxDocs=44218)
0.041294612 = queryNorm
0.29160398 = fieldWeight in 1957, 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=1957)
0.5 = coord(1/2)
0.25 = coord(2/8)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.47-58.
-
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)
-
Hurwitz, F.I.: ¬A study of indexer consistency (1969)
0.00
0.0027891838 = product of:
0.02231347 = sum of:
0.02231347 = weight(_text_:of in 2270) [ClassicSimilarity], result of:
0.02231347 = score(doc=2270,freq=2.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.34554482 = fieldWeight in 2270, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.15625 = fieldNorm(doc=2270)
0.125 = coord(1/8)
-
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
-
Zunde, P.; Dexter, M.E.: Factors affecting indexing performance (1969)
0.00
0.0023667007 = product of:
0.018933605 = sum of:
0.018933605 = weight(_text_:of in 7496) [ClassicSimilarity], result of:
0.018933605 = score(doc=7496,freq=4.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.2932045 = fieldWeight in 7496, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=7496)
0.125 = coord(1/8)
- Source
- Cooperating information societies: Proceedings of the 32nd Annual Meeting of the American Society for Information Science, San Francisco, CA, 1.-4.10.1969. Ed.: J.B. North
-
Richmond, P.A.: Review of the Cranfield project (1963)
0.00
0.002231347 = product of:
0.017850775 = sum of:
0.017850775 = weight(_text_:of in 2269) [ClassicSimilarity], result of:
0.017850775 = score(doc=2269,freq=2.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.27643585 = fieldWeight in 2269, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.125 = fieldNorm(doc=2269)
0.125 = coord(1/8)
-
Tinker, F.F.: Imprecision in meaning measured by inconsistency of indexing (1966-68)
0.00
0.0013945919 = product of:
0.011156735 = sum of:
0.011156735 = weight(_text_:of in 2275) [ClassicSimilarity], result of:
0.011156735 = score(doc=2275,freq=2.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.17277241 = fieldWeight in 2275, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.078125 = fieldNorm(doc=2275)
0.125 = coord(1/8)
