Luhn, H.P.: Keyword-in-context index for technical literature : KWIC index (1959)
0.00
0.0014112709 = product of:
0.012701439 = sum of:
0.012701439 = weight(_text_:of in 1780) [ClassicSimilarity], result of:
0.012701439 = score(doc=1780,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.20732689 = fieldWeight in 1780, 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=1780)
0.11111111 = coord(1/9)
- Footnote
- Reprinted in: Theory of subject analysis: a sourcebook. Ed. by. L.M. Chan et al. Littleton, CO: Libraries Unlimited 1985, S.170-180