-
Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960)
0.02
0.016872572 = product of:
0.033745144 = sum of:
0.033745144 = product of:
0.06749029 = sum of:
0.06749029 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
0.06749029 = score(doc=6158,freq=2.0), product of:
0.14536506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041511174 = 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)
0.5 = coord(1/2)
- Footnote
- Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
-
Cleverdon, C.W.; Mills, J.; Keen, M.: Factors determining the performance of indexing systems : ASLIB Cranfield research project (1966)
0.02
0.016207209 = product of:
0.032414418 = sum of:
0.032414418 = product of:
0.064828835 = sum of:
0.064828835 = weight(_text_:j in 5363) [ClassicSimilarity], result of:
0.064828835 = score(doc=5363,freq=2.0), product of:
0.1319016 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.041511174 = queryNorm
0.4914939 = fieldWeight in 5363, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.109375 = fieldNorm(doc=5363)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1963)
0.01
0.013891893 = product of:
0.027783787 = sum of:
0.027783787 = product of:
0.055567574 = sum of:
0.055567574 = weight(_text_:j in 577) [ClassicSimilarity], result of:
0.055567574 = score(doc=577,freq=2.0), product of:
0.1319016 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.041511174 = queryNorm
0.4212805 = fieldWeight in 577, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.09375 = fieldNorm(doc=577)
0.5 = coord(1/2)
0.5 = coord(1/2)