Richmond, P.A.: Document description and representation (1972)
0.03
0.026408998 = product of:
0.13204499 = sum of:
0.13204499 = weight(_text_:7 in 252) [ClassicSimilarity], result of:
0.13204499 = score(doc=252,freq=2.0), product of:
0.22547886 = queryWeight, product of:
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.06806357 = queryNorm
0.5856202 = fieldWeight in 252, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.125 = fieldNorm(doc=252)
0.2 = coord(1/5)
- Source
- Annual review of information science and technology. 7(1972), S.73-102