Search (49 results, page 1 of 3)

  • × theme_ss:"Automatisches Indexieren"
  1. Oberhauser, O.; Labner, J.: Einführung der automatischen Indexierung im Österreichischen Verbundkatalog? : Bericht über eine empirische Studie (2003) 0.06 
    0.057357892 = product of:
  0.114715785 = sum of:
    0.114715785 = product of:
      0.22943157 = sum of:
        0.22943157 = weight(_text_:ii in 1878) [ClassicSimilarity], result of:
          0.22943157 = score(doc=1878,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.8355207 = fieldWeight in 1878, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.109375 = fieldNorm(doc=1878)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Object
    MILOS II
  2. Sachse, E.; Liebig, M.; Gödert, W.: Automatische Indexierung unter Einbeziehung semantischer Relationen : Ergebnisse des Retrievaltests zum MILOS II-Projekt (1998) 0.05 
    0.04967339 = product of:
  0.09934678 = sum of:
    0.09934678 = product of:
      0.19869356 = sum of:
        0.19869356 = weight(_text_:ii in 3577) [ClassicSimilarity], result of:
          0.19869356 = score(doc=3577,freq=6.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.72358215 = fieldWeight in 3577, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3577)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Abstract
    Im Rahmen von MILOS II wurde das erste MILOS-Projekt zur automatischen Indexierung von Titeldaten um eine semantischer Komponente erweitert, indem Thesaurusrelationen der Schlagwortnormdatei eingebunden wurden. Der abschließend zur Evaluierung durchgeführte Retrievaltest und seine Ergebnisse stehen im Mittelpunkt dieses Texts. Zusätzlich wird ein Überblick über bereits durchgeführte Retrievaltests (vorwiegend des anglo-amerikanischen Raums) gegeben und es wird erläutert, welche grundlegenden Fragestellungen bei der praktischen Durchführung eines Retrievaltests zu beachten sind
    Object
    MILOS II
  3. Gödert, W.; Liebig, M.: Maschinelle Indexierung auf dem Prüfstand : Ergebnisse eines Retrievaltests zum MILOS II Projekt (1997) 0.05 
    0.04967339 = product of:
  0.09934678 = sum of:
    0.09934678 = product of:
      0.19869356 = sum of:
        0.19869356 = weight(_text_:ii in 1174) [ClassicSimilarity], result of:
          0.19869356 = score(doc=1174,freq=6.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.72358215 = fieldWeight in 1174, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1174)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Abstract
    The test ran between Nov 95-Aug 96 in Cologne Fachhochschule fur Bibliothekswesen (College of Librarianship).The test basis was a database of 190,000 book titles published between 1990-95. MILOS II mechanized indexing methods proved helpful in avoiding or reducing numbers of unsatisfied/no result retrieval searches. Retrieval from mechanised indexing is 3 times more successful than from title keyword data. MILOS II also used a standardized semantic vocabulary. Mechanised indexing demands high quality software and output data
  4. Junger, U.; Müller-Dreier, A.: Bericht über den Workshop 'Perspektiven der Sacherschließung im GBV' am 12. März 1998 in der TIB Hannover (1999) 0.04 
    0.040969923 = product of:
  0.08193985 = sum of:
    0.08193985 = product of:
      0.1638797 = sum of:
        0.1638797 = weight(_text_:ii in 3847) [ClassicSimilarity], result of:
          0.1638797 = score(doc=3847,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.5968005 = fieldWeight in 3847, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.078125 = fieldNorm(doc=3847)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Object
    MILOS II
  5. Anderson, J.D.; Pérez-Carballo, J.: ¬The nature of indexing: how humans and machines analyze messages and texts for retrieval : Part II: Machine indexing, and the allocation of human versus machine effort (2001) 0.04 
    0.040969923 = product of:
  0.08193985 = sum of:
    0.08193985 = product of:
      0.1638797 = sum of:
        0.1638797 = weight(_text_:ii in 368) [ClassicSimilarity], result of:
          0.1638797 = score(doc=368,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.5968005 = fieldWeight in 368, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.078125 = fieldNorm(doc=368)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  6. Krause, J.; Womser-Hacker, C.: PADOK-II : Retrievaltests zur Bewertung von Volltextindexierungsvarianten für das deutsche Patentinformationssystem (1990) 0.03 
    0.03277594 = product of:
  0.06555188 = sum of:
    0.06555188 = product of:
      0.13110375 = sum of:
        0.13110375 = weight(_text_:ii in 2653) [ClassicSimilarity], result of:
          0.13110375 = score(doc=2653,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.4774404 = fieldWeight in 2653, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.0625 = fieldNorm(doc=2653)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  7. Lepsky, K.: Automatische Indexierung zur Erschließung deutschsprachiger Dokumente (1999) 0.03 
    0.03277594 = product of:
  0.06555188 = sum of:
    0.06555188 = product of:
      0.13110375 = sum of:
        0.13110375 = weight(_text_:ii in 4656) [ClassicSimilarity], result of:
          0.13110375 = score(doc=4656,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.4774404 = fieldWeight in 4656, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.0625 = fieldNorm(doc=4656)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Abstract
    Der Beitrag beschäftigt sich mit der Anwendung eines Verfahrens zur automatischen Indexierung deutschsprachiger Texte in Bibliotheken. Die Arbeitsweise des Verfahrens und seine Entwicklung innerhalb der von der Deutschen Forschungsgemeinschaft geförderte und an der ULB Düsseldorf gemeinsam mit der Fachrichtung Informationswissenschaft der Universität des Saarlandes durchgeführten Projekte MILOS I, MILOS II und KASCADE werden geschildert. Die Ergebnisse von Retrievaltests belegen die Tauglichkeit des Verfahrens für den Einsatz in Bibliotheken. Aufsetzend auf diesen Ergebnissen werden Perspektiven für die bibliothekarische Sacherschließung im Hinblick auf den Einsatz von automatischen Verfahren entworfen
  8. Bredack, J.: Automatische Extraktion fachterminologischer Mehrwortbegriffe : ein Verfahrensvergleich (2016) 0.03 
    0.02897011 = product of:
  0.05794022 = sum of:
    0.05794022 = product of:
      0.11588044 = sum of:
        0.11588044 = weight(_text_:ii in 3194) [ClassicSimilarity], result of:
          0.11588044 = score(doc=3194,freq=4.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.42200166 = fieldWeight in 3194, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3194)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Content
    Schriftliche Hausarbeit (Masterarbeit) zur Erlangung des Grades eines Master of Arts An der Universität Trier Fachbereich II Studiengang Computerlinguistik.
    Imprint
    Trier : Universität / Fachbereich II
  9. Pulgarin, A.; Gil-Leiva, I.: Bibliometric analysis of the automatic indexing literature : 1956-2000 (2004) 0.03 
    0.028678946 = product of:
  0.057357892 = sum of:
    0.057357892 = product of:
      0.114715785 = sum of:
        0.114715785 = weight(_text_:ii in 2566) [ClassicSimilarity], result of:
          0.114715785 = score(doc=2566,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.41776034 = fieldWeight in 2566, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2566)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Abstract
    We present a bibliometric study of a corpus of 839 bibliographic references about automatic indexing, covering the period 1956-2000. We analyse the distribution of authors and works, the obsolescence and its dispersion, and the distribution of the literature by topic, year, and source type. We conclude that: (i) there has been a constant interest on the part of researchers; (ii) the most studied topics were the techniques and methods employed and the general aspects of automatic indexing; (iii) the productivity of the authors does fit a Lotka distribution (Dmax=0.02 and critical value=0.054); (iv) the annual aging factor is 95%; and (v) the dispersion of the literature is low.
  10. Munkelt, J.: Erstellung einer DNB-Retrieval-Testkollektion (2018) 0.03 
    0.028678946 = product of:
  0.057357892 = sum of:
    0.057357892 = product of:
      0.114715785 = sum of:
        0.114715785 = weight(_text_:ii in 4310) [ClassicSimilarity], result of:
          0.114715785 = score(doc=4310,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.41776034 = fieldWeight in 4310, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4310)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Pages
    II, 79 S
  11. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.03 
    0.027550334 = product of:
  0.05510067 = sum of:
    0.05510067 = product of:
      0.11020134 = sum of:
        0.11020134 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
          0.11020134 = score(doc=402,freq=2.0), product of:
            0.1780192 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050836053 = queryNorm
            0.61904186 = fieldWeight in 402, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=402)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Information processing and management. 22(1986) no.6, S.465-476
  12. Oberhauser, O.; Labner, J.: OPAC-Erweiterung durch automatische Indexierung : Empirische Untersuchung mit Daten aus dem Österreichischen Verbundkatalog (2002) 0.02 
    0.024581954 = product of:
  0.049163908 = sum of:
    0.049163908 = product of:
      0.098327816 = sum of:
        0.098327816 = weight(_text_:ii in 883) [ClassicSimilarity], result of:
          0.098327816 = score(doc=883,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.3580803 = fieldWeight in 883, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.046875 = fieldNorm(doc=883)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Abstract
    In Anlehnung an die in den neunziger Jahren durchgeführten Erschließungsprojekte MILOS I und MILOS II, die die Eignung eines Verfahrens zur automatischen Indexierung für Bibliothekskataloge zum Thema hatten, wurde eine empirische Untersuchung anhand einer repräsentativen Stichprobe von Titelsätzen aus dem Österreichischen Verbundkatalog durchgeführt. Ziel war die Prüfung und Bewertung der Einsatzmöglichkeit dieses Verfahrens in den Online-Katalogen des Verbundes. Der Realsituation der OPAC-Benutzung gemäß wurde ausschließlich die Auswirkung auf den automatisch generierten Begriffen angereicherten Basic Index ("Alle Felder") untersucht. Dazu wurden 100 Suchanfragen zunächst im ursprünglichen Basic Index und sodann im angereicherten Basic Index in einem OPAC unter Aleph 500 durchgeführt. Die Tests erbrachten einen Zuwachs an relevanten Treffern bei nur leichten Verlusten an Precision, eine Reduktion der Nulltreffer-Ergebnisse sowie Aufschlüsse über die Auswirkung einer vorhandenen verbalen Sacherschließung.
  13. Flores, F.N.; Moreira, V.P.: Assessing the impact of stemming accuracy on information retrieval : a multilingual perspective (2016) 0.02 
    0.024581954 = product of:
  0.049163908 = sum of:
    0.049163908 = product of:
      0.098327816 = sum of:
        0.098327816 = weight(_text_:ii in 3187) [ClassicSimilarity], result of:
          0.098327816 = score(doc=3187,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.3580803 = fieldWeight in 3187, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.046875 = fieldNorm(doc=3187)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Abstract
    The quality of stemming algorithms is typically measured in two different ways: (i) how accurately they map the variant forms of a word to the same stem; or (ii) how much improvement they bring to Information Retrieval systems. In this article, we evaluate various stemming algorithms, in four languages, in terms of accuracy and in terms of their aid to Information Retrieval. The aim is to assess whether the most accurate stemmers are also the ones that bring the biggest gain in Information Retrieval. Experiments in English, French, Portuguese, and Spanish show that this is not always the case, as stemmers with higher error rates yield better retrieval quality. As a byproduct, we also identified the most accurate stemmers and the best for Information Retrieval purposes.
  14. Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984) 0.02 
    0.024106542 = product of:
  0.048213083 = sum of:
    0.048213083 = product of:
      0.09642617 = sum of:
        0.09642617 = weight(_text_:22 in 262) [ClassicSimilarity], result of:
          0.09642617 = score(doc=262,freq=2.0), product of:
            0.1780192 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050836053 = queryNorm
            0.5416616 = fieldWeight in 262, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.109375 = fieldNorm(doc=262)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    20.10.2000 12:22:23
  15. Hlava, M.M.K.: Automatic indexing : comparing rule-based and statistics-based indexing systems (2005) 0.02 
    0.024106542 = product of:
  0.048213083 = sum of:
    0.048213083 = product of:
      0.09642617 = sum of:
        0.09642617 = weight(_text_:22 in 6265) [ClassicSimilarity], result of:
          0.09642617 = score(doc=6265,freq=2.0), product of:
            0.1780192 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050836053 = queryNorm
            0.5416616 = fieldWeight in 6265, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.109375 = fieldNorm(doc=6265)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Information outlook. 9(2005) no.8, S.22-23
  16. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.02 
    0.02066275 = product of:
  0.0413255 = sum of:
    0.0413255 = product of:
      0.082651 = sum of:
        0.082651 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
          0.082651 = score(doc=58,freq=2.0), product of:
            0.1780192 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050836053 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:44
  17. Hauer, M.: Automatische Indexierung (2000) 0.02 
    0.02066275 = product of:
  0.0413255 = sum of:
    0.0413255 = product of:
      0.082651 = sum of:
        0.082651 = weight(_text_:22 in 5887) [ClassicSimilarity], result of:
          0.082651 = score(doc=5887,freq=2.0), product of:
            0.1780192 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050836053 = queryNorm
            0.46428138 = fieldWeight in 5887, 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=5887)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Wissen in Aktion: Wege des Knowledge Managements. 22. Online-Tagung der DGI, Frankfurt am Main, 2.-4.5.2000. Proceedings. Hrsg.: R. Schmidt
  18. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.02 
    0.02066275 = product of:
  0.0413255 = sum of:
    0.0413255 = product of:
      0.082651 = sum of:
        0.082651 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
          0.082651 = score(doc=2051,freq=2.0), product of:
            0.1780192 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050836053 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:56
  19. Hauer, M.: Tiefenindexierung im Bibliothekskatalog : 17 Jahre intelligentCAPTURE (2019) 0.02 
    0.02066275 = product of:
  0.0413255 = sum of:
    0.0413255 = product of:
      0.082651 = sum of:
        0.082651 = weight(_text_:22 in 5629) [ClassicSimilarity], result of:
          0.082651 = score(doc=5629,freq=2.0), product of:
            0.1780192 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050836053 = queryNorm
            0.46428138 = fieldWeight in 5629, 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=5629)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    B.I.T.online. 22(2019) H.2, S.163-166
  20. Nohr, H.: Theorie des Information Retrieval II : Automatische Indexierung (2004) 0.02 
    0.020484962 = product of:
  0.040969923 = sum of:
    0.040969923 = product of:
      0.08193985 = sum of:
        0.08193985 = weight(_text_:ii in 8) [ClassicSimilarity], result of:
          0.08193985 = score(doc=8,freq=2.0), product of:
            0.2745971 = queryWeight, product of:
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.050836053 = queryNorm
            0.29840025 = fieldWeight in 8, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.4016213 = idf(docFreq=541, maxDocs=44218)
              0.0390625 = fieldNorm(doc=8)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors

Years

Languages

  • d 26
  • e 22
  • ru 1
  • More… Less…

Types

  • a 41
  • x 5
  • el 1
  • m 1
  • p 1
  • r 1
  • More… Less…

Themes