-
Walz, J.: Analyse der Übertragbarkeit allgemeiner Rankingfaktoren von Web-Suchmaschinen auf Discovery-Systeme (2018)
0.09
0.08517667 = product of:
0.20442401 = sum of:
0.026977398 = weight(_text_:23 in 5744) [ClassicSimilarity], result of:
0.026977398 = score(doc=5744,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.23759183 = fieldWeight in 5744, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.046875 = fieldNorm(doc=5744)
0.026977398 = weight(_text_:23 in 5744) [ClassicSimilarity], result of:
0.026977398 = score(doc=5744,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.23759183 = fieldWeight in 5744, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.046875 = fieldNorm(doc=5744)
0.10416475 = weight(_text_:systeme in 5744) [ClassicSimilarity], result of:
0.10416475 = score(doc=5744,freq=6.0), product of:
0.16953078 = queryWeight, product of:
5.3512506 = idf(docFreq=569, maxDocs=44218)
0.03168059 = queryNorm
0.6144297 = fieldWeight in 5744, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
5.3512506 = idf(docFreq=569, maxDocs=44218)
0.046875 = fieldNorm(doc=5744)
0.026977398 = weight(_text_:23 in 5744) [ClassicSimilarity], result of:
0.026977398 = score(doc=5744,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.23759183 = fieldWeight in 5744, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.046875 = fieldNorm(doc=5744)
0.01932706 = product of:
0.057981174 = sum of:
0.057981174 = weight(_text_:allgemein in 5744) [ClassicSimilarity], result of:
0.057981174 = score(doc=5744,freq=2.0), product of:
0.16646081 = queryWeight, product of:
5.254347 = idf(docFreq=627, maxDocs=44218)
0.03168059 = queryNorm
0.34831727 = fieldWeight in 5744, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.254347 = idf(docFreq=627, maxDocs=44218)
0.046875 = fieldNorm(doc=5744)
0.33333334 = coord(1/3)
0.41666666 = coord(5/12)
- Abstract
- Ziel: Ziel dieser Bachelorarbeit war es, die Übertragbarkeit der allgemeinen Rankingfaktoren, wie sie von Web-Suchmaschinen verwendet werden, auf Discovery-Systeme zu analysieren. Dadurch könnte das bisher hauptsächlich auf dem textuellen Abgleich zwischen Suchanfrage und Dokumenten basierende bibliothekarische Ranking verbessert werden. Methode: Hierfür wurden Faktoren aus den Gruppen Popularität, Aktualität, Lokalität, Technische Faktoren, sowie dem personalisierten Ranking diskutiert. Die entsprechenden Rankingfaktoren wurden nach ihrer Vorkommenshäufigkeit in der analysierten Literatur und der daraus abgeleiteten Wichtigkeit, ausgewählt. Ergebnis: Von den 23 untersuchten Rankingfaktoren sind 14 (61 %) direkt vom Ranking der Web-Suchmaschinen auf das Ranking der Discovery-Systeme übertragbar. Zu diesen zählen unter anderem das Klickverhalten, das Erstellungsdatum, der Nutzerstandort, sowie die Sprache. Sechs (26%) der untersuchten Faktoren sind dagegen nicht übertragbar (z.B. Aktualisierungsfrequenz und Ladegeschwindigkeit). Die Linktopologie, die Nutzungshäufigkeit, sowie die Aktualisierungsfrequenz sind mit entsprechenden Modifikationen übertragbar.
- Theme
- Katalogfragen allgemein
-
Hora, M.: Methoden für das Ranking in Discovery-Systemen (2018)
0.06
0.06454869 = product of:
0.19364607 = sum of:
0.03147363 = weight(_text_:23 in 4968) [ClassicSimilarity], result of:
0.03147363 = score(doc=4968,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 4968, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=4968)
0.03147363 = weight(_text_:23 in 4968) [ClassicSimilarity], result of:
0.03147363 = score(doc=4968,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 4968, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=4968)
0.099225186 = weight(_text_:systeme in 4968) [ClassicSimilarity], result of:
0.099225186 = score(doc=4968,freq=4.0), product of:
0.16953078 = queryWeight, product of:
5.3512506 = idf(docFreq=569, maxDocs=44218)
0.03168059 = queryNorm
0.58529305 = fieldWeight in 4968, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.3512506 = idf(docFreq=569, maxDocs=44218)
0.0546875 = fieldNorm(doc=4968)
0.03147363 = weight(_text_:23 in 4968) [ClassicSimilarity], result of:
0.03147363 = score(doc=4968,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 4968, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=4968)
0.33333334 = coord(4/12)
- Abstract
- Discovery-Systeme bieten meist als Standardeinstellung eine Sortierung nach Relevanz an. Wie die Relevanz ermittelt wird, ist häufig intransparent. Dabei wären Kenntnisse darüber aus Nutzersicht ein wichtiger Faktor in der Informationskompetenz, während Bibliotheken sicherstellen sollten, dass das Ranking zum eigenen Bestand und Publikum passt. In diesem Aufsatz wird dargestellt, wie Discovery-Systeme Treffer auswählen und bewerten. Dazu gehören Indexierung, Prozessierung, Text-Matching und weitere Relevanzkriterien, z. B. Popularität oder Verfügbarkeit. Schließlich müssen alle betrachteten Kriterien zu einem zentralen Score zusammengefasst werden. Ein besonderer Fokus wird auf das Ranking von EBSCO Discovery Service, Primo und Summon gelegt.
- Source
- Perspektive Bibliothek. 7(2018) H.2, S.2-23
-
Weinstein, A.: Hochprozentig : Tipps and tricks für ein Top-Ranking (2002)
0.06
0.05934354 = product of:
0.17803061 = sum of:
0.04496233 = weight(_text_:23 in 1083) [ClassicSimilarity], result of:
0.04496233 = score(doc=1083,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 1083, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=1083)
0.04496233 = weight(_text_:23 in 1083) [ClassicSimilarity], result of:
0.04496233 = score(doc=1083,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 1083, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=1083)
0.04496233 = weight(_text_:23 in 1083) [ClassicSimilarity], result of:
0.04496233 = score(doc=1083,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 1083, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=1083)
0.04314362 = weight(_text_:internet in 1083) [ClassicSimilarity], result of:
0.04314362 = score(doc=1083,freq=4.0), product of:
0.0935287 = queryWeight, product of:
2.9522398 = idf(docFreq=6276, maxDocs=44218)
0.03168059 = queryNorm
0.46128747 = fieldWeight in 1083, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.9522398 = idf(docFreq=6276, maxDocs=44218)
0.078125 = fieldNorm(doc=1083)
0.33333334 = coord(4/12)
- Abstract
- Die Suchmaschinen haben in den letzten Monaten an ihren Ranking-Algorithmen gefeilt, um Spamern das Handwerk zu erschweren. Internet Pro beleuchtet die Trends im Suchmaschinen-Marketing
- Date
- 23. 8.2002 9:48:37
- Source
- Internet Professionell. 2002, H.9, S.66-71
-
Wu, H.; Salton, G.: ¬The estimation of term relevance weights using relevance feedback (1981)
0.05
0.053954795 = product of:
0.21581918 = sum of:
0.07193973 = weight(_text_:23 in 4728) [ClassicSimilarity], result of:
0.07193973 = score(doc=4728,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.63357824 = fieldWeight in 4728, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.125 = fieldNorm(doc=4728)
0.07193973 = weight(_text_:23 in 4728) [ClassicSimilarity], result of:
0.07193973 = score(doc=4728,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.63357824 = fieldWeight in 4728, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.125 = fieldNorm(doc=4728)
0.07193973 = weight(_text_:23 in 4728) [ClassicSimilarity], result of:
0.07193973 = score(doc=4728,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.63357824 = fieldWeight in 4728, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.125 = fieldNorm(doc=4728)
0.25 = coord(3/12)
- Date
- 8.10.2000 14:23:35
-
Kanaeva, Z.: Ranking: Google und CiteSeer (2005)
0.05
0.05241301 = product of:
0.12579122 = sum of:
0.03147363 = weight(_text_:23 in 3276) [ClassicSimilarity], result of:
0.03147363 = score(doc=3276,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 3276, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=3276)
0.03147363 = weight(_text_:23 in 3276) [ClassicSimilarity], result of:
0.03147363 = score(doc=3276,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 3276, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=3276)
0.03147363 = weight(_text_:23 in 3276) [ClassicSimilarity], result of:
0.03147363 = score(doc=3276,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 3276, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=3276)
0.021355001 = weight(_text_:internet in 3276) [ClassicSimilarity], result of:
0.021355001 = score(doc=3276,freq=2.0), product of:
0.0935287 = queryWeight, product of:
2.9522398 = idf(docFreq=6276, maxDocs=44218)
0.03168059 = queryNorm
0.22832564 = fieldWeight in 3276, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9522398 = idf(docFreq=6276, maxDocs=44218)
0.0546875 = fieldNorm(doc=3276)
0.010015327 = product of:
0.030045979 = sum of:
0.030045979 = weight(_text_:22 in 3276) [ClassicSimilarity], result of:
0.030045979 = score(doc=3276,freq=2.0), product of:
0.11094003 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03168059 = queryNorm
0.2708308 = fieldWeight in 3276, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=3276)
0.33333334 = coord(1/3)
0.41666666 = coord(5/12)
- Abstract
- Im Rahmen des klassischen Information Retrieval wurden verschiedene Verfahren für das Ranking sowie die Suche in einer homogenen strukturlosen Dokumentenmenge entwickelt. Die Erfolge der Suchmaschine Google haben gezeigt dass die Suche in einer zwar inhomogenen aber zusammenhängenden Dokumentenmenge wie dem Internet unter Berücksichtigung der Dokumentenverbindungen (Links) sehr effektiv sein kann. Unter den von der Suchmaschine Google realisierten Konzepten ist ein Verfahren zum Ranking von Suchergebnissen (PageRank), das in diesem Artikel kurz erklärt wird. Darüber hinaus wird auf die Konzepte eines Systems namens CiteSeer eingegangen, welches automatisch bibliographische Angaben indexiert (engl. Autonomous Citation Indexing, ACI). Letzteres erzeugt aus einer Menge von nicht vernetzten wissenschaftlichen Dokumenten eine zusammenhängende Dokumentenmenge und ermöglicht den Einsatz von Banking-Verfahren, die auf den von Google genutzten Verfahren basieren.
- Date
- 20. 3.2005 16:23:22
-
Jones, K.: Linguistic searching versus relevance ranking : DR-LINK and TARGET (1999)
0.05
0.047210444 = product of:
0.18884178 = sum of:
0.06294726 = weight(_text_:23 in 6423) [ClassicSimilarity], result of:
0.06294726 = score(doc=6423,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.55438095 = fieldWeight in 6423, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.109375 = fieldNorm(doc=6423)
0.06294726 = weight(_text_:23 in 6423) [ClassicSimilarity], result of:
0.06294726 = score(doc=6423,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.55438095 = fieldWeight in 6423, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.109375 = fieldNorm(doc=6423)
0.06294726 = weight(_text_:23 in 6423) [ClassicSimilarity], result of:
0.06294726 = score(doc=6423,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.55438095 = fieldWeight in 6423, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.109375 = fieldNorm(doc=6423)
0.25 = coord(3/12)
- Source
- Online and CD-ROM review. 23(1999) no.2, S.67-80
-
Tseng, Y.H.; Lin, Y.I.: Evaluation of fuzzy search, term suggestion, and term relevance feedback in an OPAC system (1998)
0.04
0.040466096 = product of:
0.16186439 = sum of:
0.053954795 = weight(_text_:23 in 6430) [ClassicSimilarity], result of:
0.053954795 = score(doc=6430,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.47518367 = fieldWeight in 6430, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.09375 = fieldNorm(doc=6430)
0.053954795 = weight(_text_:23 in 6430) [ClassicSimilarity], result of:
0.053954795 = score(doc=6430,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.47518367 = fieldWeight in 6430, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.09375 = fieldNorm(doc=6430)
0.053954795 = weight(_text_:23 in 6430) [ClassicSimilarity], result of:
0.053954795 = score(doc=6430,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.47518367 = fieldWeight in 6430, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.09375 = fieldNorm(doc=6430)
0.25 = coord(3/12)
- Date
- 13. 5.1996 21:43:23
-
Losada, D.E.; Barreiro, A.: Emebedding term similarity and inverse document frequency into a logical model of information retrieval (2003)
0.04
0.03978523 = product of:
0.11935568 = sum of:
0.035969865 = weight(_text_:23 in 1422) [ClassicSimilarity], result of:
0.035969865 = score(doc=1422,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.31678912 = fieldWeight in 1422, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0625 = fieldNorm(doc=1422)
0.035969865 = weight(_text_:23 in 1422) [ClassicSimilarity], result of:
0.035969865 = score(doc=1422,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.31678912 = fieldWeight in 1422, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0625 = fieldNorm(doc=1422)
0.035969865 = weight(_text_:23 in 1422) [ClassicSimilarity], result of:
0.035969865 = score(doc=1422,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.31678912 = fieldWeight in 1422, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0625 = fieldNorm(doc=1422)
0.011446088 = product of:
0.034338262 = sum of:
0.034338262 = weight(_text_:22 in 1422) [ClassicSimilarity], result of:
0.034338262 = score(doc=1422,freq=2.0), product of:
0.11094003 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03168059 = queryNorm
0.30952093 = fieldWeight in 1422, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=1422)
0.33333334 = coord(1/3)
0.33333334 = coord(4/12)
- Date
- 22. 3.2003 19:27:23
-
Courtois, M.P.; Berry, M.W.: Results ranking in Web search engines (1999)
0.03
0.03372175 = product of:
0.134887 = sum of:
0.04496233 = weight(_text_:23 in 3726) [ClassicSimilarity], result of:
0.04496233 = score(doc=3726,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 3726, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=3726)
0.04496233 = weight(_text_:23 in 3726) [ClassicSimilarity], result of:
0.04496233 = score(doc=3726,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 3726, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=3726)
0.04496233 = weight(_text_:23 in 3726) [ClassicSimilarity], result of:
0.04496233 = score(doc=3726,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 3726, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=3726)
0.25 = coord(3/12)
- Source
- Online. 23(1999) no.3, S.39-46
-
Archuby, C.G.: Interfaces se recuperacion para catalogos en linea con salidas ordenadas por probable relevancia (2000)
0.03
0.03372175 = product of:
0.134887 = sum of:
0.04496233 = weight(_text_:23 in 5727) [ClassicSimilarity], result of:
0.04496233 = score(doc=5727,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 5727, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=5727)
0.04496233 = weight(_text_:23 in 5727) [ClassicSimilarity], result of:
0.04496233 = score(doc=5727,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 5727, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=5727)
0.04496233 = weight(_text_:23 in 5727) [ClassicSimilarity], result of:
0.04496233 = score(doc=5727,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 5727, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=5727)
0.25 = coord(3/12)
- Date
- 29. 1.1996 18:23:13
-
Ruthven, I.; Lalmas, M.: Selective relevance feedback using term characteristics (1999)
0.03
0.03372175 = product of:
0.134887 = sum of:
0.04496233 = weight(_text_:23 in 3824) [ClassicSimilarity], result of:
0.04496233 = score(doc=3824,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 3824, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=3824)
0.04496233 = weight(_text_:23 in 3824) [ClassicSimilarity], result of:
0.04496233 = score(doc=3824,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 3824, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=3824)
0.04496233 = weight(_text_:23 in 3824) [ClassicSimilarity], result of:
0.04496233 = score(doc=3824,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.3959864 = fieldWeight in 3824, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.078125 = fieldNorm(doc=3824)
0.25 = coord(3/12)
- Source
- Vocabulary as a central concept in digital libraries: interdisciplinary concepts, challenges, and opportunities : proceedings of the Third International Conference an Conceptions of Library and Information Science (COLIS3), Dubrovnik, Croatia, 23-26 May 1999. Ed. by T. Arpanac et al
-
Kelledy, F.; Smeaton, A.F.: Signature files and beyond (1996)
0.03
0.02983892 = product of:
0.08951676 = sum of:
0.026977398 = weight(_text_:23 in 6973) [ClassicSimilarity], result of:
0.026977398 = score(doc=6973,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.23759183 = fieldWeight in 6973, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.046875 = fieldNorm(doc=6973)
0.026977398 = weight(_text_:23 in 6973) [ClassicSimilarity], result of:
0.026977398 = score(doc=6973,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.23759183 = fieldWeight in 6973, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.046875 = fieldNorm(doc=6973)
0.026977398 = weight(_text_:23 in 6973) [ClassicSimilarity], result of:
0.026977398 = score(doc=6973,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.23759183 = fieldWeight in 6973, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.046875 = fieldNorm(doc=6973)
0.0085845655 = product of:
0.025753696 = sum of:
0.025753696 = weight(_text_:22 in 6973) [ClassicSimilarity], result of:
0.025753696 = score(doc=6973,freq=2.0), product of:
0.11094003 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03168059 = queryNorm
0.23214069 = fieldWeight in 6973, 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=6973)
0.33333334 = coord(1/3)
0.33333334 = coord(4/12)
- Source
- Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon
-
Longshu, L.; Xia, Z.: On an aproximate fuzzy information retrieval agent (1998)
0.03
0.026977398 = product of:
0.10790959 = sum of:
0.035969865 = weight(_text_:23 in 3294) [ClassicSimilarity], result of:
0.035969865 = score(doc=3294,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.31678912 = fieldWeight in 3294, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0625 = fieldNorm(doc=3294)
0.035969865 = weight(_text_:23 in 3294) [ClassicSimilarity], result of:
0.035969865 = score(doc=3294,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.31678912 = fieldWeight in 3294, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0625 = fieldNorm(doc=3294)
0.035969865 = weight(_text_:23 in 3294) [ClassicSimilarity], result of:
0.035969865 = score(doc=3294,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.31678912 = fieldWeight in 3294, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0625 = fieldNorm(doc=3294)
0.25 = coord(3/12)
- Date
- 13. 5.1996 21:43:23
-
Maylein, L.; Langenstein, A.: Neues vom Relevanz-Ranking im HEIDI-Katalog der Universitätsbibliothek Heidelberg : Perspektiven für bibliothekarische Dienstleistungen (2013)
0.03
0.026977398 = product of:
0.10790959 = sum of:
0.035969865 = weight(_text_:23 in 775) [ClassicSimilarity], result of:
0.035969865 = score(doc=775,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.31678912 = fieldWeight in 775, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0625 = fieldNorm(doc=775)
0.035969865 = weight(_text_:23 in 775) [ClassicSimilarity], result of:
0.035969865 = score(doc=775,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.31678912 = fieldWeight in 775, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0625 = fieldNorm(doc=775)
0.035969865 = weight(_text_:23 in 775) [ClassicSimilarity], result of:
0.035969865 = score(doc=775,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.31678912 = fieldWeight in 775, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0625 = fieldNorm(doc=775)
0.25 = coord(3/12)
- Date
- 29. 6.2013 18:06:23
-
Berry, M.W.; Browne, M.: Understanding search engines : mathematical modeling and text retrieval (1999)
0.03
0.026554406 = product of:
0.15932643 = sum of:
0.13199385 = weight(_text_:monographien in 5777) [ClassicSimilarity], result of:
0.13199385 = score(doc=5777,freq=4.0), product of:
0.21119705 = queryWeight, product of:
6.666449 = idf(docFreq=152, maxDocs=44218)
0.03168059 = queryNorm
0.6249796 = fieldWeight in 5777, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
6.666449 = idf(docFreq=152, maxDocs=44218)
0.046875 = fieldNorm(doc=5777)
0.027332589 = product of:
0.08199777 = sum of:
0.08199777 = weight(_text_:allgemein in 5777) [ClassicSimilarity], result of:
0.08199777 = score(doc=5777,freq=4.0), product of:
0.16646081 = queryWeight, product of:
5.254347 = idf(docFreq=627, maxDocs=44218)
0.03168059 = queryNorm
0.49259502 = fieldWeight in 5777, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.254347 = idf(docFreq=627, maxDocs=44218)
0.046875 = fieldNorm(doc=5777)
0.33333334 = coord(1/3)
0.16666667 = coord(2/12)
- Classification
- ST 230 [Informatik # Monographien # Software und -entwicklung # Software allgemein, (Einführung, Lehrbücher, Methoden der Programmierung) Software engineering, Programmentwicklungssysteme, Softwarewerkzeuge]
- RVK
- ST 230 [Informatik # Monographien # Software und -entwicklung # Software allgemein, (Einführung, Lehrbücher, Methoden der Programmierung) Software engineering, Programmentwicklungssysteme, Softwarewerkzeuge]
-
Schaefer, A.; Jordan, M.; Klas, C.-P.; Fuhr, N.: Active support for query formulation in virtual digital libraries : a case study with DAFFODIL (2005)
0.02
0.023844877 = product of:
0.09537951 = sum of:
0.03179317 = weight(_text_:23 in 4296) [ClassicSimilarity], result of:
0.03179317 = score(doc=4296,freq=4.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.28000468 = fieldWeight in 4296, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0390625 = fieldNorm(doc=4296)
0.03179317 = weight(_text_:23 in 4296) [ClassicSimilarity], result of:
0.03179317 = score(doc=4296,freq=4.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.28000468 = fieldWeight in 4296, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0390625 = fieldNorm(doc=4296)
0.03179317 = weight(_text_:23 in 4296) [ClassicSimilarity], result of:
0.03179317 = score(doc=4296,freq=4.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.28000468 = fieldWeight in 4296, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0390625 = fieldNorm(doc=4296)
0.25 = coord(3/12)
- Date
- 16.11.2008 17:23:50
- Source
- Research and advanced technology for digital libraries : 9th European conference, ECDL 2005, Vienna, Austria, September 18-23, 2005 ; proceedings / Andreas Rauber ... (eds.)
-
Klein, S.T.: On the use of negation in Boolean IR queries. (2009)
0.02
0.023605222 = product of:
0.09442089 = sum of:
0.03147363 = weight(_text_:23 in 3927) [ClassicSimilarity], result of:
0.03147363 = score(doc=3927,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 3927, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=3927)
0.03147363 = weight(_text_:23 in 3927) [ClassicSimilarity], result of:
0.03147363 = score(doc=3927,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 3927, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=3927)
0.03147363 = weight(_text_:23 in 3927) [ClassicSimilarity], result of:
0.03147363 = score(doc=3927,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 3927, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=3927)
0.25 = coord(3/12)
- Date
- 23. 1.2011 13:59:51
-
Ning, X.; Jin, H.; Jia, W.; Yuan, P.: Practical and effective IR-style keyword search over semantic web (2009)
0.02
0.023605222 = product of:
0.09442089 = sum of:
0.03147363 = weight(_text_:23 in 4213) [ClassicSimilarity], result of:
0.03147363 = score(doc=4213,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 4213, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=4213)
0.03147363 = weight(_text_:23 in 4213) [ClassicSimilarity], result of:
0.03147363 = score(doc=4213,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 4213, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=4213)
0.03147363 = weight(_text_:23 in 4213) [ClassicSimilarity], result of:
0.03147363 = score(doc=4213,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 4213, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=4213)
0.25 = coord(3/12)
- Date
- 23. 1.2011 13:55:17
-
García Cumbreras, M.A.; Perea-Ortega, J.M.; García Vega, M.; Ureña López, L.A.: Information retrieval with geographical references : relevant documents filtering vs. query expansion (2009)
0.02
0.023605222 = product of:
0.09442089 = sum of:
0.03147363 = weight(_text_:23 in 4222) [ClassicSimilarity], result of:
0.03147363 = score(doc=4222,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 4222, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=4222)
0.03147363 = weight(_text_:23 in 4222) [ClassicSimilarity], result of:
0.03147363 = score(doc=4222,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 4222, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=4222)
0.03147363 = weight(_text_:23 in 4222) [ClassicSimilarity], result of:
0.03147363 = score(doc=4222,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 4222, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=4222)
0.25 = coord(3/12)
- Date
- 23. 1.2011 14:19:08
-
Behnert, C.; Plassmeier, K.; Borst, T.; Lewandowski, D.: Evaluierung von Rankingverfahren für bibliothekarische Informationssysteme (2019)
0.02
0.023605222 = product of:
0.09442089 = sum of:
0.03147363 = weight(_text_:23 in 5023) [ClassicSimilarity], result of:
0.03147363 = score(doc=5023,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 5023, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=5023)
0.03147363 = weight(_text_:23 in 5023) [ClassicSimilarity], result of:
0.03147363 = score(doc=5023,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 5023, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=5023)
0.03147363 = weight(_text_:23 in 5023) [ClassicSimilarity], result of:
0.03147363 = score(doc=5023,freq=2.0), product of:
0.113545135 = queryWeight, product of:
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.03168059 = queryNorm
0.27719048 = fieldWeight in 5023, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5840597 = idf(docFreq=3336, maxDocs=44218)
0.0546875 = fieldNorm(doc=5023)
0.25 = coord(3/12)
- Source
- Information - Wissenschaft und Praxis. 70(2019) H.1, S.14-23
