Convey, J.: Online information retrieval : an introductory manual to principles and practice (1992)
0.03
0.030922543 = product of:
0.061845087 = sum of:
0.061845087 = product of:
0.092767626 = sum of:
0.034827434 = weight(_text_:h in 763) [ClassicSimilarity], result of:
0.034827434 = score(doc=763,freq=4.0), product of:
0.11214537 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04513893 = queryNorm
0.31055614 = fieldWeight in 763, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0625 = fieldNorm(doc=763)
0.05794019 = weight(_text_:w in 763) [ClassicSimilarity], result of:
0.05794019 = score(doc=763,freq=2.0), product of:
0.1720157 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.04513893 = queryNorm
0.33683082 = fieldWeight in 763, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.0625 = fieldNorm(doc=763)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- 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)