Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1963)
0.05
0.047566652 = product of:
0.17837493 = sum of:
0.05567768 = weight(_text_:23 in 577) [ClassicSimilarity], result of:
0.05567768 = score(doc=577,freq=2.0), product of:
0.117170855 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.032692216 = queryNorm
0.47518367 = fieldWeight in 577, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.09375 = fieldNorm(doc=577)
0.05567768 = weight(_text_:23 in 577) [ClassicSimilarity], result of:
0.05567768 = score(doc=577,freq=2.0), product of:
0.117170855 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.032692216 = queryNorm
0.47518367 = fieldWeight in 577, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.09375 = fieldNorm(doc=577)
0.05567768 = weight(_text_:23 in 577) [ClassicSimilarity], result of:
0.05567768 = score(doc=577,freq=2.0), product of:
0.117170855 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.032692216 = queryNorm
0.47518367 = fieldWeight in 577, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.09375 = fieldNorm(doc=577)
0.011341906 = weight(_text_:in in 577) [ClassicSimilarity], result of:
0.011341906 = score(doc=577,freq=4.0), product of:
0.044469737 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.032692216 = queryNorm
0.25504774 = fieldWeight in 577, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.09375 = fieldNorm(doc=577)
0.26666668 = coord(4/15)
- Date
- 13. 3.1999 18:23:11
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.98-110.
Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960)
0.00
0.003431642 = product of:
0.025737314 = sum of:
0.008019937 = weight(_text_:in in 6158) [ClassicSimilarity], result of:
0.008019937 = score(doc=6158,freq=2.0), product of:
0.044469737 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.032692216 = queryNorm
0.18034597 = fieldWeight in 6158, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.09375 = fieldNorm(doc=6158)
0.017717376 = product of:
0.05315213 = sum of:
0.05315213 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
0.05315213 = score(doc=6158,freq=2.0), product of:
0.114482574 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.032692216 = 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)
0.13333334 = coord(2/15)
- Footnote
- Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)