-
Haake, E.; Blenkle, M.; Ellis, R.; Zillmann, H.: Nur die ersten Drei zählen! : Optimierung der Rankingverfahren über Popularitätsfaktoren bei der Elektronischen Bibliothek Bremen (E-LIB) (2015)
0.00
0.00100547 = product of:
0.00201094 = sum of:
0.00201094 = product of:
0.00402188 = sum of:
0.00402188 = weight(_text_:s in 2150) [ClassicSimilarity], result of:
0.00402188 = score(doc=2150,freq=2.0), product of:
0.055801827 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.05132441 = queryNorm
0.072074346 = fieldWeight in 2150, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2150)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- o-bib: Das offene Bibliotheksjournal. 2(2015) Nr.2, S.33-42
-
Blenkle, M.; Ellis, R.; Haake, E.: E-LIB Bremen : Automatische Empfehlungsdienste für Fachdatenbanken im Bibliothekskatalog / Metadatenpools als Wissensbasis für bestandsunabhängige Services (2009)
0.00
8.3789177E-4 = product of:
0.0016757835 = sum of:
0.0016757835 = product of:
0.003351567 = sum of:
0.003351567 = weight(_text_:s in 2479) [ClassicSimilarity], result of:
0.003351567 = score(doc=2479,freq=2.0), product of:
0.055801827 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.05132441 = queryNorm
0.060061958 = fieldWeight in 2479, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2479)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Bibliotheksdienst. 43(2009) H.6, S.618-625
-
Ellis, R.; Hindersmann, J.: Volltext- und Katalogverlinkungen in Online-Datenbanken (2003)
0.00
5.02735E-4 = product of:
0.00100547 = sum of:
0.00100547 = product of:
0.00201094 = sum of:
0.00201094 = weight(_text_:s in 1486) [ClassicSimilarity], result of:
0.00201094 = score(doc=1486,freq=2.0), product of:
0.055801827 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.05132441 = queryNorm
0.036037173 = fieldWeight in 1486, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0234375 = fieldNorm(doc=1486)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Bibliotheksdienst. 37(2003) H.3, S.336-347