Document (#15845)

Author

Pfeffer, M.
Wiesenmüller, H.

Title

Resource Discovery Systeme

Source

Handbuch Informationskompetenz. 2. Auflage, Hrsg. Wilfried Sühl-Strohmenger

Imprint

Berlin : De Gruyter Saur

Year

2016

Pages

S.105-114

Abstract

Resource Discovery Systeme (RDS) bieten Nutzern einen einheitlichen, Google-artigen Zugang zu einer enormen Zahl von Ressourcen. Eine wichtige Rolle spielt dabei ein zentraler, kommerziell erstellter Index.

Content

Vgl.: http://doi.org/10.1515/9783110403367-012.

Similar documents (author)

1. Wiesenmüller, H.; Pfeffer, M.: Abgleichen, anreichern, verknüpfen : das Clustering-Verfahren - eine neue Möglichkeit für die Analyse und Verbesserung von Katalogdaten (2013) 6.04

   6.036051 = sum of:
     6.036051 = sum of:
       2.4160838 = weight(author_txt:wiesenmüller in 2740) [ClassicSimilarity], result of:
         2.4160838 = score(doc=2740,freq=1.0), product of:
           0.60695916 = queryWeight, product of:
             7.9612727 = idf(docFreq=40, maxDocs=43254)
             0.07623896 = queryNorm
           3.9806364 = fieldWeight in 2740, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             7.9612727 = idf(docFreq=40, maxDocs=43254)
             0.5 = fieldNorm(doc=2740)
       3.6199672 = weight(author_txt:pfeffer in 2740) [ClassicSimilarity], result of:
         3.6199672 = score(doc=2740,freq=1.0), product of:
           0.794733 = queryWeight, product of:
             1.1442763 = boost
             9.109896 = idf(docFreq=12, maxDocs=43254)
             0.07623896 = queryNorm
           4.554948 = fieldWeight in 2740, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.109896 = idf(docFreq=12, maxDocs=43254)
             0.5 = fieldNorm(doc=2740)
   

2. Wiesenmüller, H.; Maylein, L.; Pfeffer, M.: Mehr aus der Schlagwortnormdatei herausholen : Implementierung einer geographischen Facette in den Online-Katalogen der UB Heidelberg und der UB Mannheim (2011) 4.53

   4.5270386 = sum of:
     4.5270386 = sum of:
       1.8120627 = weight(author_txt:wiesenmüller in 4564) [ClassicSimilarity], result of:
         1.8120627 = score(doc=4564,freq=1.0), product of:
           0.60695916 = queryWeight, product of:
             7.9612727 = idf(docFreq=40, maxDocs=43254)
             0.07623896 = queryNorm
           2.9854772 = fieldWeight in 4564, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             7.9612727 = idf(docFreq=40, maxDocs=43254)
             0.375 = fieldNorm(doc=4564)
       2.7149756 = weight(author_txt:pfeffer in 4564) [ClassicSimilarity], result of:
         2.7149756 = score(doc=4564,freq=1.0), product of:
           0.794733 = queryWeight, product of:
             1.1442763 = boost
             9.109896 = idf(docFreq=12, maxDocs=43254)
             0.07623896 = queryNorm
           3.416211 = fieldWeight in 4564, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             9.109896 = idf(docFreq=12, maxDocs=43254)
             0.375 = fieldNorm(doc=4564)
   

3. Pfeffer, J.: Online-Tutorials an deutschen Universitäts- und Hochschulbibliotheken : Verbreitung, Typologie und Analyse am Beispiel von LOTSE, DISCUS und BibTutor (2005) 2.26

   2.2624795 = sum of:
     2.2624795 = product of:
       4.524959 = sum of:
         4.524959 = weight(author_txt:pfeffer in 838) [ClassicSimilarity], result of:
           4.524959 = score(doc=838,freq=1.0), product of:
             0.794733 = queryWeight, product of:
               1.1442763 = boost
               9.109896 = idf(docFreq=12, maxDocs=43254)
               0.07623896 = queryNorm
             5.6936846 = fieldWeight in 838, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.109896 = idf(docFreq=12, maxDocs=43254)
               0.625 = fieldNorm(doc=838)
       0.5 = coord(1/2)
   

4. Pfeffer, M.: Automatische Vergabe von RVK-Notationen anhand von bibliografischen Daten mittels fallbasiertem Schließen (2007) 2.26

   2.2624795 = sum of:
     2.2624795 = product of:
       4.524959 = sum of:
         4.524959 = weight(author_txt:pfeffer in 2559) [ClassicSimilarity], result of:
           4.524959 = score(doc=2559,freq=1.0), product of:
             0.794733 = queryWeight, product of:
               1.1442763 = boost
               9.109896 = idf(docFreq=12, maxDocs=43254)
               0.07623896 = queryNorm
             5.6936846 = fieldWeight in 2559, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.109896 = idf(docFreq=12, maxDocs=43254)
               0.625 = fieldNorm(doc=2559)
       0.5 = coord(1/2)
   

5. Pfeffer, M.: Automatische Vergabe von RVK-Notationen mittels fallbasiertem Schließen (2009) 2.26

   2.2624795 = sum of:
     2.2624795 = product of:
       4.524959 = sum of:
         4.524959 = weight(author_txt:pfeffer in 52) [ClassicSimilarity], result of:
           4.524959 = score(doc=52,freq=1.0), product of:
             0.794733 = queryWeight, product of:
               1.1442763 = boost
               9.109896 = idf(docFreq=12, maxDocs=43254)
               0.07623896 = queryNorm
             5.6936846 = fieldWeight in 52, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.109896 = idf(docFreq=12, maxDocs=43254)
               0.625 = fieldNorm(doc=52)
       0.5 = coord(1/2)
   

Similar documents (content)

1. Conrad, S.: Föderierte Datenbanksysteme : Konzepte der Datenintegration (1997) 0.17

   0.16763222 = sum of:
     0.16763222 = product of:
       0.7040553 = sum of:
         0.024445167 = weight(abstract_txt:eine in 1215) [ClassicSimilarity], result of:
           0.024445167 = score(doc=1215,freq=1.0), product of:
             0.055624258 = queryWeight, product of:
               3.5157564 = idf(docFreq=3494, maxDocs=43254)
               0.01582142 = queryNorm
             0.43946955 = fieldWeight in 1215, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.5157564 = idf(docFreq=3494, maxDocs=43254)
               0.125 = fieldNorm(doc=1215)
         0.044285584 = weight(abstract_txt:einen in 1215) [ClassicSimilarity], result of:
           0.044285584 = score(doc=1215,freq=1.0), product of:
             0.082662866 = queryWeight, product of:
               1.2190545 = boost
               4.2858987 = idf(docFreq=1617, maxDocs=43254)
               0.01582142 = queryNorm
             0.53573734 = fieldWeight in 1215, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.2858987 = idf(docFreq=1617, maxDocs=43254)
               0.125 = fieldNorm(doc=1215)
         0.05898005 = weight(abstract_txt:dabei in 1215) [ClassicSimilarity], result of:
           0.05898005 = score(doc=1215,freq=1.0), product of:
             0.10006272 = queryWeight, product of:
               1.3412324 = boost
               4.7154465 = idf(docFreq=1052, maxDocs=43254)
               0.01582142 = queryNorm
             0.5894308 = fieldWeight in 1215, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.7154465 = idf(docFreq=1052, maxDocs=43254)
               0.125 = fieldNorm(doc=1215)
         0.25004408 = weight(abstract_txt:einheitlichen in 1215) [ClassicSimilarity], result of:
           0.25004408 = score(doc=1215,freq=1.0), product of:
             0.2621078 = queryWeight, product of:
               2.1707401 = boost
               7.6317935 = idf(docFreq=56, maxDocs=43254)
               0.01582142 = queryNorm
             0.9539742 = fieldWeight in 1215, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.6317935 = idf(docFreq=56, maxDocs=43254)
               0.125 = fieldNorm(doc=1215)
         0.3263004 = weight(abstract_txt:systeme in 1215) [ClassicSimilarity], result of:
           0.3263004 = score(doc=1215,freq=2.0), product of:
             0.31300214 = queryWeight, product of:
               3.354722 = boost
               5.8971925 = idf(docFreq=322, maxDocs=43254)
               0.01582142 = queryNorm
             1.0424862 = fieldWeight in 1215, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.8971925 = idf(docFreq=322, maxDocs=43254)
               0.125 = fieldNorm(doc=1215)
       0.23809524 = coord(5/21)
   

2. Plott, C.; Ball, R.: Mit Sicherheit zum Dokument : Die Identifizierung von Online-Publikationen (2004) 0.16

   0.16226518 = sum of:
     0.16226518 = product of:
       0.4867955 = sum of:
         0.017285343 = weight(abstract_txt:eine in 4550) [ClassicSimilarity], result of:
           0.017285343 = score(doc=4550,freq=2.0), product of:
             0.055624258 = queryWeight, product of:
               3.5157564 = idf(docFreq=3494, maxDocs=43254)
               0.01582142 = queryNorm
             0.3107519 = fieldWeight in 4550, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.5157564 = idf(docFreq=3494, maxDocs=43254)
               0.0625 = fieldNorm(doc=4550)
         0.016619412 = weight(abstract_txt:einer in 4550) [ClassicSimilarity], result of:
           0.016619412 = score(doc=4550,freq=1.0), product of:
             0.06827043 = queryWeight, product of:
               1.1078583 = boost
               3.89496 = idf(docFreq=2391, maxDocs=43254)
               0.01582142 = queryNorm
             0.243435 = fieldWeight in 4550, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.89496 = idf(docFreq=2391, maxDocs=43254)
               0.0625 = fieldNorm(doc=4550)
         0.022142792 = weight(abstract_txt:einen in 4550) [ClassicSimilarity], result of:
           0.022142792 = score(doc=4550,freq=1.0), product of:
             0.082662866 = queryWeight, product of:
               1.2190545 = boost
               4.2858987 = idf(docFreq=1617, maxDocs=43254)
               0.01582142 = queryNorm
             0.26786867 = fieldWeight in 4550, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.2858987 = idf(docFreq=1617, maxDocs=43254)
               0.0625 = fieldNorm(doc=4550)
         0.090904266 = weight(abstract_txt:zahl in 4550) [ClassicSimilarity], result of:
           0.090904266 = score(doc=4550,freq=1.0), product of:
             0.21193941 = queryWeight, product of:
               1.9519727 = boost
               6.8626604 = idf(docFreq=122, maxDocs=43254)
               0.01582142 = queryNorm
             0.42891628 = fieldWeight in 4550, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.8626604 = idf(docFreq=122, maxDocs=43254)
               0.0625 = fieldNorm(doc=4550)
         0.12502204 = weight(abstract_txt:einheitlichen in 4550) [ClassicSimilarity], result of:
           0.12502204 = score(doc=4550,freq=1.0), product of:
             0.2621078 = queryWeight, product of:
               2.1707401 = boost
               7.6317935 = idf(docFreq=56, maxDocs=43254)
               0.01582142 = queryNorm
             0.4769871 = fieldWeight in 4550, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.6317935 = idf(docFreq=56, maxDocs=43254)
               0.0625 = fieldNorm(doc=4550)
         0.099457055 = weight(abstract_txt:resource in 4550) [ClassicSimilarity], result of:
           0.099457055 = score(doc=4550,freq=2.0), product of:
             0.22503287 = queryWeight, product of:
               2.8444996 = boost
               5.0002837 = idf(docFreq=791, maxDocs=43254)
               0.01582142 = queryNorm
             0.4419668 = fieldWeight in 4550, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.0002837 = idf(docFreq=791, maxDocs=43254)
               0.0625 = fieldNorm(doc=4550)
         0.11536462 = weight(abstract_txt:systeme in 4550) [ClassicSimilarity], result of:
           0.11536462 = score(doc=4550,freq=1.0), product of:
             0.31300214 = queryWeight, product of:
               3.354722 = boost
               5.8971925 = idf(docFreq=322, maxDocs=43254)
               0.01582142 = queryNorm
             0.36857453 = fieldWeight in 4550, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.8971925 = idf(docFreq=322, maxDocs=43254)
               0.0625 = fieldNorm(doc=4550)
       0.33333334 = coord(7/21)
   

3. Franke-Maier, M.; Rüter, C.: Discover Sacherschließung! : Was machen suchmaschinenbasierte Systeme mit unseren inhaltlichen Metadaten? (2015) 0.16

   0.16016918 = sum of:
     0.16016918 = product of:
       0.6727106 = sum of:
         0.029083971 = weight(abstract_txt:einer in 3171) [ClassicSimilarity], result of:
           0.029083971 = score(doc=3171,freq=1.0), product of:
             0.06827043 = queryWeight, product of:
               1.1078583 = boost
               3.89496 = idf(docFreq=2391, maxDocs=43254)
               0.01582142 = queryNorm
             0.42601123 = fieldWeight in 3171, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.89496 = idf(docFreq=2391, maxDocs=43254)
               0.109375 = fieldNorm(doc=3171)
         0.05480061 = weight(abstract_txt:einen in 3171) [ClassicSimilarity], result of:
           0.05480061 = score(doc=3171,freq=2.0), product of:
             0.082662866 = queryWeight, product of:
               1.2190545 = boost
               4.2858987 = idf(docFreq=1617, maxDocs=43254)
               0.01582142 = queryNorm
             0.6629411 = fieldWeight in 3171, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.2858987 = idf(docFreq=1617, maxDocs=43254)
               0.109375 = fieldNorm(doc=3171)
         0.13370119 = weight(abstract_txt:ressourcen in 3171) [ClassicSimilarity], result of:
           0.13370119 = score(doc=3171,freq=1.0), product of:
             0.18875003 = queryWeight, product of:
               1.8420924 = boost
               6.476348 = idf(docFreq=180, maxDocs=43254)
               0.01582142 = queryNorm
             0.70835054 = fieldWeight in 3171, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.476348 = idf(docFreq=180, maxDocs=43254)
               0.109375 = fieldNorm(doc=3171)
         0.25323674 = weight(abstract_txt:discovery in 3171) [ClassicSimilarity], result of:
           0.25323674 = score(doc=3171,freq=2.0), product of:
             0.28894466 = queryWeight, product of:
               3.223222 = boost
               5.666032 = idf(docFreq=406, maxDocs=43254)
               0.01582142 = queryNorm
             0.87641954 = fieldWeight in 3171, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.666032 = idf(docFreq=406, maxDocs=43254)
               0.109375 = fieldNorm(doc=3171)
         0.20188807 = weight(abstract_txt:systeme in 3171) [ClassicSimilarity], result of:
           0.20188807 = score(doc=3171,freq=1.0), product of:
             0.31300214 = queryWeight, product of:
               3.354722 = boost
               5.8971925 = idf(docFreq=322, maxDocs=43254)
               0.01582142 = queryNorm
             0.6450054 = fieldWeight in 3171, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.8971925 = idf(docFreq=322, maxDocs=43254)
               0.109375 = fieldNorm(doc=3171)
       0.23809524 = coord(5/21)
   

4. Hora, M.: Methoden für das Ranking in Discovery-Systemen (2018) 0.16

   0.15895702 = sum of:
     0.15895702 = product of:
       0.66761947 = sum of:
         0.018333875 = weight(abstract_txt:eine in 969) [ClassicSimilarity], result of:
           0.018333875 = score(doc=969,freq=1.0), product of:
             0.055624258 = queryWeight, product of:
               3.5157564 = idf(docFreq=3494, maxDocs=43254)
               0.01582142 = queryNorm
             0.32960215 = fieldWeight in 969, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.5157564 = idf(docFreq=3494, maxDocs=43254)
               0.09375 = fieldNorm(doc=969)
         0.04423504 = weight(abstract_txt:dabei in 969) [ClassicSimilarity], result of:
           0.04423504 = score(doc=969,freq=1.0), product of:
             0.10006272 = queryWeight, product of:
               1.3412324 = boost
               4.7154465 = idf(docFreq=1052, maxDocs=43254)
               0.01582142 = queryNorm
             0.4420731 = fieldWeight in 969, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.7154465 = idf(docFreq=1052, maxDocs=43254)
               0.09375 = fieldNorm(doc=969)
         0.09448199 = weight(abstract_txt:bieten in 969) [ClassicSimilarity], result of:
           0.09448199 = score(doc=969,freq=1.0), product of:
             0.16595642 = queryWeight, product of:
               1.7272887 = boost
               6.0727262 = idf(docFreq=270, maxDocs=43254)
               0.01582142 = queryNorm
             0.56931806 = fieldWeight in 969, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.0727262 = idf(docFreq=270, maxDocs=43254)
               0.09375 = fieldNorm(doc=969)
         0.26584324 = weight(abstract_txt:discovery in 969) [ClassicSimilarity], result of:
           0.26584324 = score(doc=969,freq=3.0), product of:
             0.28894466 = queryWeight, product of:
               3.223222 = boost
               5.666032 = idf(docFreq=406, maxDocs=43254)
               0.01582142 = queryNorm
             0.92004895 = fieldWeight in 969, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               5.666032 = idf(docFreq=406, maxDocs=43254)
               0.09375 = fieldNorm(doc=969)
         0.2447253 = weight(abstract_txt:systeme in 969) [ClassicSimilarity], result of:
           0.2447253 = score(doc=969,freq=2.0), product of:
             0.31300214 = queryWeight, product of:
               3.354722 = boost
               5.8971925 = idf(docFreq=322, maxDocs=43254)
               0.01582142 = queryNorm
             0.78186464 = fieldWeight in 969, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.8971925 = idf(docFreq=322, maxDocs=43254)
               0.09375 = fieldNorm(doc=969)
       0.23809524 = coord(5/21)
   

5. Bower, J.M.; Parsons, L.M.: Rätsel Kleinhirn (2003) 0.16

   0.15677841 = sum of:
     0.15677841 = product of:
       0.6584693 = sum of:
         0.030556457 = weight(abstract_txt:eine in 4439) [ClassicSimilarity], result of:
           0.030556457 = score(doc=4439,freq=1.0), product of:
             0.055624258 = queryWeight, product of:
               3.5157564 = idf(docFreq=3494, maxDocs=43254)
               0.01582142 = queryNorm
             0.5493369 = fieldWeight in 4439, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.5157564 = idf(docFreq=3494, maxDocs=43254)
               0.15625 = fieldNorm(doc=4439)
         0.04154853 = weight(abstract_txt:einer in 4439) [ClassicSimilarity], result of:
           0.04154853 = score(doc=4439,freq=1.0), product of:
             0.06827043 = queryWeight, product of:
               1.1078583 = boost
               3.89496 = idf(docFreq=2391, maxDocs=43254)
               0.01582142 = queryNorm
             0.6085875 = fieldWeight in 4439, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.89496 = idf(docFreq=2391, maxDocs=43254)
               0.15625 = fieldNorm(doc=4439)
         0.13698757 = weight(abstract_txt:rolle in 4439) [ClassicSimilarity], result of:
           0.13698757 = score(doc=4439,freq=1.0), product of:
             0.15123408 = queryWeight, product of:
               1.6488938 = boost
               5.797109 = idf(docFreq=356, maxDocs=43254)
               0.01582142 = queryNorm
             0.9057983 = fieldWeight in 4439, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.797109 = idf(docFreq=356, maxDocs=43254)
               0.15625 = fieldNorm(doc=4439)
         0.18720058 = weight(abstract_txt:wichtige in 4439) [ClassicSimilarity], result of:
           0.18720058 = score(doc=4439,freq=1.0), product of:
             0.18623744 = queryWeight, product of:
               1.8297906 = boost
               6.433098 = idf(docFreq=188, maxDocs=43254)
               0.01582142 = queryNorm
             1.0051715 = fieldWeight in 4439, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.433098 = idf(docFreq=188, maxDocs=43254)
               0.15625 = fieldNorm(doc=4439)
         0.26217616 = weight(abstract_txt:spielt in 4439) [ClassicSimilarity], result of:
           0.26217616 = score(doc=4439,freq=1.0), product of:
             0.23312616 = queryWeight, product of:
               2.0472147 = boost
               7.1975083 = idf(docFreq=87, maxDocs=43254)
               0.01582142 = queryNorm
             1.1246107 = fieldWeight in 4439, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.1975083 = idf(docFreq=87, maxDocs=43254)
               0.15625 = fieldNorm(doc=4439)
       0.23809524 = coord(5/21)