Katzmayr, M.; Putz, M.; Fessler, G.: Evaluationsmethoden zur Bewertung von Aggregatordatenbanken am Beispiel von ProQuest ABI/Inform und EBSCO Business Source Premier (2005)
0.03
0.027999477 = product of:
0.055998955 = sum of:
0.055998955 = sum of:
0.018749513 = weight(_text_:h in 3420) [ClassicSimilarity], result of:
0.018749513 = score(doc=3420,freq=2.0), product of:
0.113842286 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045821942 = queryNorm
0.16469726 = fieldWeight in 3420, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.046875 = fieldNorm(doc=3420)
0.037249442 = weight(_text_:22 in 3420) [ClassicSimilarity], result of:
0.037249442 = score(doc=3420,freq=2.0), product of:
0.16046064 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045821942 = 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)
0.5 = coord(1/2)
- Date
- 22. 5.2005 12:27:18
- Source
- Information - Wissenschaft und Praxis. 56(2005) H.3, S.175-180
Bargmann, M.; Katzmayr, M.; Putz, M.: E-LIS: Open-Access-Archiv für Literatur zum Informations- und Bibliothekswesen (2005)
0.02
0.0233329 = product of:
0.0466658 = sum of:
0.0466658 = sum of:
0.015624595 = weight(_text_:h in 3779) [ClassicSimilarity], result of:
0.015624595 = score(doc=3779,freq=2.0), product of:
0.113842286 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.045821942 = queryNorm
0.13724773 = fieldWeight in 3779, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0390625 = fieldNorm(doc=3779)
0.031041203 = weight(_text_:22 in 3779) [ClassicSimilarity], result of:
0.031041203 = score(doc=3779,freq=2.0), product of:
0.16046064 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045821942 = queryNorm
0.19345059 = fieldWeight in 3779, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=3779)
0.5 = coord(1/2)
- Date
- 6.11.2005 12:33:22
- Source
- Online Mitteilungen. 2005, Nr.83, S.15-24 [=Mitteilungen VÖB 58(2005) H.3]