Katzmayr, M.; Putz, M.; Fessler, G.: Evaluationsmethoden zur Bewertung von Aggregatordatenbanken am Beispiel von ProQuest ABI/Inform und EBSCO Business Source Premier (2005)
0.04
0.035315458 = product of:
0.08828864 = sum of:
0.038761288 = weight(_text_:21 in 3420) [ClassicSimilarity], result of:
0.038761288 = score(doc=3420,freq=2.0), product of:
0.1887428 = queryWeight, product of:
3.0979297 = idf(docFreq=5425, maxDocs=44218)
0.060925465 = queryNorm
0.20536566 = fieldWeight in 3420, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.0979297 = idf(docFreq=5425, maxDocs=44218)
0.046875 = fieldNorm(doc=3420)
0.049527355 = weight(_text_:22 in 3420) [ClassicSimilarity], result of:
0.049527355 = score(doc=3420,freq=2.0), product of:
0.2133506 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.060925465 = queryNorm
0.23214069 = fieldWeight in 3420, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=3420)
0.4 = coord(2/5)
- Date
- 21. 2.1997 19:37:24
22. 5.2005 12:27:18
