Search (2 results, page 1 of 1)
-
Cleverdon, C.W.: ¬The Cranfield tests on index language devices (1967)
0.01
0.008950027 = product of: 0.02685008 = sum of: 0.02685008 = product of: 0.08055024 = sum of: 0.08055024 = weight(_text_:k in 1957) [ClassicSimilarity], result of: 0.08055024 = score(doc=1957,freq=2.0), product of: 0.17019208 = queryWeight, product of: 3.569778 = idf(docFreq=3384, maxDocs=44218) 0.047675814 = queryNorm 0.47329018 = fieldWeight in 1957, product of: 1.4142135 = tf(freq=2.0), with freq of: 2.0 = termFreq=2.0 3.569778 = idf(docFreq=3384, maxDocs=44218) 0.09375 = fieldNorm(doc=1957) 0.33333334 = coord(1/3) 0.33333334 = coord(1/3)
- 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 first stage of an investigation into the comparative efficiency of indexing systems (1960)
0.01
0.008612553 = product of: 0.025837658 = sum of: 0.025837658 = product of: 0.07751297 = sum of: 0.07751297 = weight(_text_:22 in 6158) [ClassicSimilarity], result of: 0.07751297 = score(doc=6158,freq=2.0), product of: 0.16695258 = queryWeight, product of: 3.5018296 = idf(docFreq=3622, maxDocs=44218) 0.047675814 = 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(1/3)
- Footnote
- Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)