O'Brien, A.: Online catalogs : enhancements and developments (1994)
0.01
0.009940809 = product of:
0.019881617 = sum of:
0.019881617 = product of:
0.059644848 = sum of:
0.059644848 = weight(_text_:29 in 3730) [ClassicSimilarity], result of:
0.059644848 = score(doc=3730,freq=2.0), product of:
0.19183184 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.05453351 = queryNorm
0.31092256 = fieldWeight in 3730, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0625 = fieldNorm(doc=3730)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Annual review of information science and technology. 29(1994), S.219-242