-
Salton, G.: Automatic text processing : the transformation, analysis, and retrieval of information by computer (1989)
0.01
0.008186478 = product of:
0.057305347 = sum of:
0.057305347 = weight(_text_:g in 1307) [ClassicSimilarity], result of:
0.057305347 = score(doc=1307,freq=2.0), product of:
0.13809267 = queryWeight, product of:
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.036766402 = queryNorm
0.4149775 = fieldWeight in 1307, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.078125 = fieldNorm(doc=1307)
0.14285715 = coord(1/7)
-
Marchionini, G.: Information seeking in electronic environments (1995)
0.01
0.006549183 = product of:
0.04584428 = sum of:
0.04584428 = weight(_text_:g in 417) [ClassicSimilarity], result of:
0.04584428 = score(doc=417,freq=2.0), product of:
0.13809267 = queryWeight, product of:
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.036766402 = queryNorm
0.331982 = fieldWeight in 417, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.0625 = fieldNorm(doc=417)
0.14285715 = coord(1/7)
-
Convey, J.: Online information retrieval : an introductory manual to principles and practice (1992)
0.00
0.0027618909 = product of:
0.019333236 = sum of:
0.019333236 = product of:
0.03866647 = sum of:
0.03866647 = weight(_text_:c in 763) [ClassicSimilarity], result of:
0.03866647 = score(doc=763,freq=2.0), product of:
0.12682222 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.036766402 = queryNorm
0.3048872 = fieldWeight in 763, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.0625 = fieldNorm(doc=763)
0.5 = coord(1/2)
0.14285715 = coord(1/7)
- 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)