Convey, J.: Online information retrieval : an introductory manual to principles and practice (1992)
0.00
0.0044600833 = product of:
0.024530457 = sum of:
0.016142977 = product of:
0.04842893 = sum of:
0.04842893 = weight(_text_:1989 in 763) [ClassicSimilarity], result of:
0.04842893 = score(doc=763,freq=2.0), product of:
0.11227332 = queryWeight, product of:
4.8801513 = idf(docFreq=912, maxDocs=44218)
0.023006115 = queryNorm
0.4313485 = fieldWeight in 763, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8801513 = idf(docFreq=912, maxDocs=44218)
0.0625 = fieldNorm(doc=763)
0.33333334 = coord(1/3)
0.00838748 = product of:
0.02516244 = sum of:
0.02516244 = weight(_text_:29 in 763) [ClassicSimilarity], result of:
0.02516244 = score(doc=763,freq=2.0), product of:
0.08092832 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.023006115 = queryNorm
0.31092256 = fieldWeight in 763, 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=763)
0.33333334 = coord(1/3)
0.18181819 = coord(2/11)
- Date
- 26. 7.2002 12:36:29
- Footnote
- Frühere Ausgaben: 1977, 1984, 1989. - Rez. in: Library Association record 95(1993) no.2, S.109 (W. Ashworth); JASIS 45(1994) no.3, S.219-220. (C. Tenopir); IfB 2(1994) H.1, S.11-12 (K.-H. Dietz)