Search (6 results, page 1 of 1)

  • × language_ss:"d"
  • × theme_ss:"Retrievalalgorithmen"
  1. Behnert, C.; Borst, T.: Neue Formen der Relevanz-Sortierung in bibliothekarischen Informationssystemen : das DFG-Projekt LibRank (2015) 0.02 
    0.018524988 = product of:
  0.07409995 = sum of:
    0.07409995 = weight(_text_:medien in 5392) [ClassicSimilarity], result of:
      0.07409995 = score(doc=5392,freq=2.0), product of:
        0.17812005 = queryWeight, product of:
          4.7066307 = idf(docFreq=1085, maxDocs=44218)
          0.03784449 = queryNorm
        0.4160113 = fieldWeight in 5392, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          4.7066307 = idf(docFreq=1085, maxDocs=44218)
          0.0625 = fieldNorm(doc=5392)
  0.25 = coord(1/4)
    Abstract
    Das von der DFG geförderte Projekt LibRank erforscht neue Rankingverfahren für bibliothekarische Informationssysteme, die aufbauend auf Erkenntnissen aus dem Bereich Websuche qualitätsinduzierende Faktoren wie z. B. Aktualität, Popularität und Verfügbarkeit von einzelnen Medien berücksichtigen. Die konzipierten Verfahren werden im Kontext eines in den Wirtschaftswissenschaften häufig genutzten Rechercheportals (EconBiz) entwickelt und in einem Testsystem systematisch evaluiert. Es werden Rankingfaktoren, die für den Bibliotheksbereich von besonderem Interesse sind, vorgestellt und exemplarisch Probleme und Herausforderungen aufgezeigt.
  2. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.00 
    0.0038455543 = product of:
  0.015382217 = sum of:
    0.015382217 = product of:
      0.06152887 = sum of:
        0.06152887 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
          0.06152887 = score(doc=58,freq=2.0), product of:
            0.13252495 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03784449 = queryNorm
            0.46428138 = fieldWeight in 58, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.09375 = fieldNorm(doc=58)
      0.25 = coord(1/4)
  0.25 = coord(1/4)
    Date
    14. 6.2015 22:12:44
  3. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.00 
    0.0038455543 = product of:
  0.015382217 = sum of:
    0.015382217 = product of:
      0.06152887 = sum of:
        0.06152887 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
          0.06152887 = score(doc=2051,freq=2.0), product of:
            0.13252495 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03784449 = queryNorm
            0.46428138 = fieldWeight in 2051, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.09375 = fieldNorm(doc=2051)
      0.25 = coord(1/4)
  0.25 = coord(1/4)
    Date
    14. 6.2015 22:12:56
  4. Fuhr, N.: Modelle im Information Retrieval (2013) 0.00 
    0.0037950834 = product of:
  0.0151803335 = sum of:
    0.0151803335 = product of:
      0.060721334 = sum of:
        0.060721334 = weight(_text_:w in 724) [ClassicSimilarity], result of:
          0.060721334 = score(doc=724,freq=2.0), product of:
            0.144218 = queryWeight, product of:
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.03784449 = queryNorm
            0.42103854 = fieldWeight in 724, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.8108058 = idf(docFreq=2659, maxDocs=44218)
              0.078125 = fieldNorm(doc=724)
      0.25 = coord(1/4)
  0.25 = coord(1/4)
    Source
    Grundlagen der praktischen Information und Dokumentation. Handbuch zur Einführung in die Informationswissenschaft und -praxis. 6., völlig neu gefaßte Ausgabe. Hrsg. von R. Kuhlen, W. Semar u. D. Strauch. Begründet von Klaus Laisiepen, Ernst Lutterbeck, Karl-Heinrich Meyer-Uhlenried
  5. Tober, M.; Hennig, L.; Furch, D.: SEO Ranking-Faktoren und Rang-Korrelationen 2014 : Google Deutschland (2014) 0.00 
    0.0025637029 = product of:
  0.0102548115 = sum of:
    0.0102548115 = product of:
      0.041019246 = sum of:
        0.041019246 = weight(_text_:22 in 1484) [ClassicSimilarity], result of:
          0.041019246 = score(doc=1484,freq=2.0), product of:
            0.13252495 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03784449 = queryNorm
            0.30952093 = fieldWeight in 1484, 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=1484)
      0.25 = coord(1/4)
  0.25 = coord(1/4)
    Date
    13. 9.2014 14:45:22
  6. Kanaeva, Z.: Ranking: Google und CiteSeer (2005) 0.00 
    0.00224324 = product of:
  0.00897296 = sum of:
    0.00897296 = product of:
      0.03589184 = sum of:
        0.03589184 = weight(_text_:22 in 3276) [ClassicSimilarity], result of:
          0.03589184 = score(doc=3276,freq=2.0), product of:
            0.13252495 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03784449 = 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)
      0.25 = coord(1/4)
  0.25 = coord(1/4)
    Date
    20. 3.2005 16:23:22

Authors

Years

Types

Themes