-
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
0.03194382 = product of:
0.095831454 = sum of:
0.095831454 = sum of:
0.02460194 = weight(_text_:of in 6158) [ClassicSimilarity], result of:
0.02460194 = score(doc=6158,freq=6.0), product of:
0.06850986 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.043811057 = 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)
0.07122952 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
0.07122952 = score(doc=6158,freq=2.0), product of:
0.15341885 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043811057 = 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)
- Imprint
- Cranfield : College of Aeronautics
-
Neelameghan, A.; Gopinath, M.A.: Classificationist and the study of the structure and development of the universe of subjects : classification research 1963-1967, trend report (1967)
0.00
0.0047837105 = product of:
0.014351131 = sum of:
0.014351131 = product of:
0.028702263 = sum of:
0.028702263 = weight(_text_:of in 3528) [ClassicSimilarity], result of:
0.028702263 = score(doc=3528,freq=6.0), product of:
0.06850986 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.043811057 = queryNorm
0.41895083 = fieldWeight in 3528, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=3528)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
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
0.004463867 = product of:
0.0133916 = sum of:
0.0133916 = product of:
0.0267832 = sum of:
0.0267832 = weight(_text_:of in 2741) [ClassicSimilarity], result of:
0.0267832 = score(doc=2741,freq=4.0), product of:
0.06850986 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.043811057 = 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)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Cuadra, C.A.; Katter, R.V.: Experimental studies of relevance judgements: final report : Vol.2: description of individual studies (1967)
0.00
0.004463867 = product of:
0.0133916 = sum of:
0.0133916 = product of:
0.0267832 = sum of:
0.0267832 = weight(_text_:of in 5356) [ClassicSimilarity], result of:
0.0267832 = score(doc=5356,freq=4.0), product of:
0.06850986 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.043811057 = queryNorm
0.39093933 = fieldWeight in 5356, 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=5356)
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)
0.00
0.0039058835 = product of:
0.01171765 = sum of:
0.01171765 = product of:
0.0234353 = sum of:
0.0234353 = weight(_text_:of in 5363) [ClassicSimilarity], result of:
0.0234353 = score(doc=5363,freq=4.0), product of:
0.06850986 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.043811057 = 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)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Imprint
- Cranfield : The College of Aeronautics
-
Davison, K.: Classification practice in Britain : report on a survey of classification opinion and practice in Great Britain, with particular reference to the Dewey Decimal Classification (1966)
0.00
0.0027618767 = product of:
0.00828563 = sum of:
0.00828563 = product of:
0.01657126 = sum of:
0.01657126 = weight(_text_:of in 3469) [ClassicSimilarity], result of:
0.01657126 = score(doc=3469,freq=2.0), product of:
0.06850986 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.043811057 = queryNorm
0.24188137 = fieldWeight in 3469, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=3469)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Rees, A.M.; Schultz, D.G.A.: ¬A field experimental approach to the study of relevance assessments in relation to document searching : vol.1, final report (1966)
0.00
0.0027618767 = product of:
0.00828563 = sum of:
0.00828563 = product of:
0.01657126 = sum of:
0.01657126 = weight(_text_:of in 5358) [ClassicSimilarity], result of:
0.01657126 = score(doc=5358,freq=2.0), product of:
0.06850986 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.043811057 = queryNorm
0.24188137 = fieldWeight in 5358, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=5358)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Aitchison, T.M.: Comparative evaluation of index languages : Part I, Design. Part II, Results (1969)
0.00
0.0027618767 = product of:
0.00828563 = sum of:
0.00828563 = product of:
0.01657126 = sum of:
0.01657126 = weight(_text_:of in 561) [ClassicSimilarity], result of:
0.01657126 = score(doc=561,freq=2.0), product of:
0.06850986 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.043811057 = queryNorm
0.24188137 = fieldWeight in 561, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=561)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Freeman, R.R.: Research project for the evaluation of the UDC as the indexing language for a mechanized reference retrieval system : progress report for the period July 1, 1965 - Jan. 31, 1966 (1966)
0.00
0.0023673228 = product of:
0.0071019684 = sum of:
0.0071019684 = product of:
0.014203937 = sum of:
0.014203937 = weight(_text_:of in 3491) [ClassicSimilarity], result of:
0.014203937 = score(doc=3491,freq=2.0), product of:
0.06850986 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.043811057 = queryNorm
0.20732689 = fieldWeight in 3491, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=3491)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
