Search (153 results, page 1 of 8)

  • × year_i:[1960 TO 1970}
  1. Mooers, C.: ¬The indexing language of an information retrieval system (1963) 0.02
    0.015231849 = product of:
      0.07108196 = sum of:
        0.014485569 = weight(_text_:information in 1641) [ClassicSimilarity], result of:
          0.014485569 = score(doc=1641,freq=4.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.27429342 = fieldWeight in 1641, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.078125 = fieldNorm(doc=1641)
        0.04301017 = weight(_text_:retrieval in 1641) [ClassicSimilarity], result of:
          0.04301017 = score(doc=1641,freq=4.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.47264296 = fieldWeight in 1641, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.078125 = fieldNorm(doc=1641)
        0.0135862185 = product of:
          0.040758654 = sum of:
            0.040758654 = weight(_text_:22 in 1641) [ClassicSimilarity], result of:
              0.040758654 = score(doc=1641,freq=2.0), product of:
                0.10534643 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.030083254 = queryNorm
                0.38690117 = fieldWeight in 1641, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1641)
          0.33333334 = coord(1/3)
      0.21428572 = coord(3/14)
    
    Source
    Information retrieval today: papers presented at an Institute conducted by the Library School and the Cetre for Continuation Study, University of Minnesota, Sept. 19-22, 1962. Ed. by. Wesley Simonton
  2. Baer, H.: Bibliothek - Fachbibliothek - Dokumentation : vom Katalog zum automatic information system (1963) 0.02
    0.015146539 = product of:
      0.10602576 = sum of:
        0.08963721 = weight(_text_:bibliothek in 4973) [ClassicSimilarity], result of:
          0.08963721 = score(doc=4973,freq=2.0), product of:
            0.12350771 = queryWeight, product of:
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.030083254 = queryNorm
            0.72576207 = fieldWeight in 4973, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.125 = fieldNorm(doc=4973)
        0.01638855 = weight(_text_:information in 4973) [ClassicSimilarity], result of:
          0.01638855 = score(doc=4973,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3103276 = fieldWeight in 4973, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=4973)
      0.14285715 = coord(2/14)
    
  3. Sharp, J.R.: Some fundamentals of information retrieval (1965) 0.01
    0.013939073 = product of:
      0.09757351 = sum of:
        0.024582826 = weight(_text_:information in 3894) [ClassicSimilarity], result of:
          0.024582826 = score(doc=3894,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.46549138 = fieldWeight in 3894, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.1875 = fieldNorm(doc=3894)
        0.072990686 = weight(_text_:retrieval in 3894) [ClassicSimilarity], result of:
          0.072990686 = score(doc=3894,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.80210173 = fieldWeight in 3894, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.1875 = fieldNorm(doc=3894)
      0.14285715 = coord(2/14)
    
  4. Goffman, W.; Newill, V.A.: ¬A methodology for test and evaluation of information retrieval systems (1966/67) 0.01
    0.013141884 = product of:
      0.09199318 = sum of:
        0.02317691 = weight(_text_:information in 1310) [ClassicSimilarity], result of:
          0.02317691 = score(doc=1310,freq=4.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.43886948 = fieldWeight in 1310, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=1310)
        0.068816274 = weight(_text_:retrieval in 1310) [ClassicSimilarity], result of:
          0.068816274 = score(doc=1310,freq=4.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.75622874 = fieldWeight in 1310, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.125 = fieldNorm(doc=1310)
      0.14285715 = coord(2/14)
    
    Source
    Information storage and retrieval. 3(1966/67), S.19-26
  5. Farradane, J.E.L.: ¬The challenge of information retrieval (1961) 0.01
    0.011615894 = product of:
      0.081311256 = sum of:
        0.020485688 = weight(_text_:information in 1936) [ClassicSimilarity], result of:
          0.020485688 = score(doc=1936,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.38790947 = fieldWeight in 1936, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.15625 = fieldNorm(doc=1936)
        0.060825568 = weight(_text_:retrieval in 1936) [ClassicSimilarity], result of:
          0.060825568 = score(doc=1936,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.6684181 = fieldWeight in 1936, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.15625 = fieldNorm(doc=1936)
      0.14285715 = coord(2/14)
    
  6. Swets, J.A.: Information retrieval systems (1963) 0.01
    0.011615894 = product of:
      0.081311256 = sum of:
        0.020485688 = weight(_text_:information in 5482) [ClassicSimilarity], result of:
          0.020485688 = score(doc=5482,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.38790947 = fieldWeight in 5482, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.15625 = fieldNorm(doc=5482)
        0.060825568 = weight(_text_:retrieval in 5482) [ClassicSimilarity], result of:
          0.060825568 = score(doc=5482,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.6684181 = fieldWeight in 5482, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.15625 = fieldNorm(doc=5482)
      0.14285715 = coord(2/14)
    
  7. Swets, J.A.: Effectiveness of information retrieval systems (1969) 0.01
    0.011615894 = product of:
      0.081311256 = sum of:
        0.020485688 = weight(_text_:information in 5483) [ClassicSimilarity], result of:
          0.020485688 = score(doc=5483,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.38790947 = fieldWeight in 5483, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.15625 = fieldNorm(doc=5483)
        0.060825568 = weight(_text_:retrieval in 5483) [ClassicSimilarity], result of:
          0.060825568 = score(doc=5483,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.6684181 = fieldWeight in 5483, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.15625 = fieldNorm(doc=5483)
      0.14285715 = coord(2/14)
    
  8. Farradane, J.: Concept organization for information retrieval (1967) 0.01
    0.011499148 = product of:
      0.08049403 = sum of:
        0.020279797 = weight(_text_:information in 35) [ClassicSimilarity], result of:
          0.020279797 = score(doc=35,freq=4.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3840108 = fieldWeight in 35, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.109375 = fieldNorm(doc=35)
        0.060214236 = weight(_text_:retrieval in 35) [ClassicSimilarity], result of:
          0.060214236 = score(doc=35,freq=4.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.6617001 = fieldWeight in 35, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.109375 = fieldNorm(doc=35)
      0.14285715 = coord(2/14)
    
    Source
    Information storage and retrieval. 3(1967) S.297-314
  9. Sacchi, A.: Instruktion für den Schlagwortkatalog der ETH-Bibliothek (1963) 0.01
    0.01108973 = product of:
      0.15525621 = sum of:
        0.15525621 = weight(_text_:bibliothek in 1365) [ClassicSimilarity], result of:
          0.15525621 = score(doc=1365,freq=6.0), product of:
            0.12350771 = queryWeight, product of:
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.030083254 = queryNorm
            1.2570568 = fieldWeight in 1365, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.125 = fieldNorm(doc=1365)
      0.071428575 = coord(1/14)
    
    Imprint
    Zürich : Bibliothek der ETH
    Series
    Eidgenössische Technische Hochschule; Schriftenreiehe der Bibliothek; Nr.8
  10. Borko, H.: Determining user requirements for an information storage and retrieval system : a systems approach (1962) 0.01
    0.010262481 = product of:
      0.071837366 = sum of:
        0.02317691 = weight(_text_:information in 4980) [ClassicSimilarity], result of:
          0.02317691 = score(doc=4980,freq=4.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.43886948 = fieldWeight in 4980, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=4980)
        0.048660453 = weight(_text_:retrieval in 4980) [ClassicSimilarity], result of:
          0.048660453 = score(doc=4980,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.5347345 = fieldWeight in 4980, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.125 = fieldNorm(doc=4980)
      0.14285715 = coord(2/14)
    
    Source
    Information systems workshop
  11. Fuchs, W.R.: Denkmaschinen : mit einem Geleitwort von Professor Dr. Yehoshua Bar-Hillel (1968) 0.01
    0.010251785 = product of:
      0.07176249 = sum of:
        0.06307115 = weight(_text_:elektronische in 3714) [ClassicSimilarity], result of:
          0.06307115 = score(doc=3714,freq=4.0), product of:
            0.14226305 = queryWeight, product of:
              4.728978 = idf(docFreq=1061, maxDocs=44218)
              0.030083254 = queryNorm
            0.4433417 = fieldWeight in 3714, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.728978 = idf(docFreq=1061, maxDocs=44218)
              0.046875 = fieldNorm(doc=3714)
        0.008691342 = weight(_text_:information in 3714) [ClassicSimilarity], result of:
          0.008691342 = score(doc=3714,freq=4.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.16457605 = fieldWeight in 3714, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046875 = fieldNorm(doc=3714)
      0.14285715 = coord(2/14)
    
    LCSH
    Information theory
    Elektronische Datenverarbeitung / Informationstheorie
    Subject
    Information theory
    Elektronische Datenverarbeitung / Informationstheorie
  12. Luhn, H.P.: ¬The automatic derivation of information retrieval encodements from machine-readable texts (1961) 0.01
    0.010059659 = product of:
      0.07041761 = sum of:
        0.017741129 = weight(_text_:information in 1926) [ClassicSimilarity], result of:
          0.017741129 = score(doc=1926,freq=6.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3359395 = fieldWeight in 1926, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.078125 = fieldNorm(doc=1926)
        0.052676488 = weight(_text_:retrieval in 1926) [ClassicSimilarity], result of:
          0.052676488 = score(doc=1926,freq=6.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.5788671 = fieldWeight in 1926, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.078125 = fieldNorm(doc=1926)
      0.14285715 = coord(2/14)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.21-24.
    Source
    Information retrieval and machine translation. Vol.3. Pt.2. Ed. A. Kent
  13. Swanson, D.R.: Searching natural language by computer (1960) 0.01
    0.009292716 = product of:
      0.06504901 = sum of:
        0.01638855 = weight(_text_:information in 403) [ClassicSimilarity], result of:
          0.01638855 = score(doc=403,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3103276 = fieldWeight in 403, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=403)
        0.048660453 = weight(_text_:retrieval in 403) [ClassicSimilarity], result of:
          0.048660453 = score(doc=403,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.5347345 = fieldWeight in 403, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.125 = fieldNorm(doc=403)
      0.14285715 = coord(2/14)
    
    Footnote
    Ein Klassiker der Beiträge zum Information Retrieval
  14. Fairthorne, R.A.: Towards information retrieval (1961) 0.01
    0.009292716 = product of:
      0.06504901 = sum of:
        0.01638855 = weight(_text_:information in 1651) [ClassicSimilarity], result of:
          0.01638855 = score(doc=1651,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3103276 = fieldWeight in 1651, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=1651)
        0.048660453 = weight(_text_:retrieval in 1651) [ClassicSimilarity], result of:
          0.048660453 = score(doc=1651,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.5347345 = fieldWeight in 1651, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.125 = fieldNorm(doc=1651)
      0.14285715 = coord(2/14)
    
  15. Armitage, J.E.; Lynch, M.F.: Some structural characteristics of articulated subject indexes (1968) 0.01
    0.009292716 = product of:
      0.06504901 = sum of:
        0.01638855 = weight(_text_:information in 2303) [ClassicSimilarity], result of:
          0.01638855 = score(doc=2303,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3103276 = fieldWeight in 2303, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=2303)
        0.048660453 = weight(_text_:retrieval in 2303) [ClassicSimilarity], result of:
          0.048660453 = score(doc=2303,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.5347345 = fieldWeight in 2303, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.125 = fieldNorm(doc=2303)
      0.14285715 = coord(2/14)
    
    Source
    Information storage and retrieval. 4(1968) no.2, S.101-111
  16. Brookes, B.C.: ¬The measure of information retrieval effectiveness proposed by Swets (1968) 0.01
    0.009292716 = product of:
      0.06504901 = sum of:
        0.01638855 = weight(_text_:information in 3301) [ClassicSimilarity], result of:
          0.01638855 = score(doc=3301,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3103276 = fieldWeight in 3301, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=3301)
        0.048660453 = weight(_text_:retrieval in 3301) [ClassicSimilarity], result of:
          0.048660453 = score(doc=3301,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.5347345 = fieldWeight in 3301, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.125 = fieldNorm(doc=3301)
      0.14285715 = coord(2/14)
    
  17. Stiles, H.E.: ¬The association factor in information retrieval (1961) 0.01
    0.009292716 = product of:
      0.06504901 = sum of:
        0.01638855 = weight(_text_:information in 5454) [ClassicSimilarity], result of:
          0.01638855 = score(doc=5454,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3103276 = fieldWeight in 5454, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=5454)
        0.048660453 = weight(_text_:retrieval in 5454) [ClassicSimilarity], result of:
          0.048660453 = score(doc=5454,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.5347345 = fieldWeight in 5454, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.125 = fieldNorm(doc=5454)
      0.14285715 = coord(2/14)
    
  18. Berul, L.H.: Document retrieval (1969) 0.01
    0.009292716 = product of:
      0.06504901 = sum of:
        0.01638855 = weight(_text_:information in 241) [ClassicSimilarity], result of:
          0.01638855 = score(doc=241,freq=2.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3103276 = fieldWeight in 241, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=241)
        0.048660453 = weight(_text_:retrieval in 241) [ClassicSimilarity], result of:
          0.048660453 = score(doc=241,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.5347345 = fieldWeight in 241, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.125 = fieldNorm(doc=241)
      0.14285715 = coord(2/14)
    
    Source
    Annual review of information science and technology. 4(1969), S.203-228
  19. Sachkatalog der Bibliothek des Deutschen Bundestages (1965 ff) 0.01
    0.009054726 = product of:
      0.12676616 = sum of:
        0.12676616 = weight(_text_:bibliothek in 3548) [ClassicSimilarity], result of:
          0.12676616 = score(doc=3548,freq=4.0), product of:
            0.12350771 = queryWeight, product of:
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.030083254 = queryNorm
            1.0263826 = fieldWeight in 3548, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.1055303 = idf(docFreq=1980, maxDocs=44218)
              0.125 = fieldNorm(doc=3548)
      0.071428575 = coord(1/14)
    
    Object
    Bibliothek des Deutschen Bundestages
  20. Brown, P.L.; Jones, S.O.: Document retrieval and dissemination in libraries and information centers (1968) 0.01
    0.008979671 = product of:
      0.062857695 = sum of:
        0.020279797 = weight(_text_:information in 234) [ClassicSimilarity], result of:
          0.020279797 = score(doc=234,freq=4.0), product of:
            0.052810486 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.030083254 = queryNorm
            0.3840108 = fieldWeight in 234, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.109375 = fieldNorm(doc=234)
        0.042577896 = weight(_text_:retrieval in 234) [ClassicSimilarity], result of:
          0.042577896 = score(doc=234,freq=2.0), product of:
            0.09099928 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.030083254 = queryNorm
            0.46789268 = fieldWeight in 234, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.109375 = fieldNorm(doc=234)
      0.14285715 = coord(2/14)
    
    Source
    Annual review of information science and technology. 3(1968), S.263-288

Languages

  • e 113
  • d 40

Types

  • a 112
  • m 23
  • s 6
  • ? 4
  • r 3
  • x 3
  • b 2
  • h 1
  • More… Less…

Classifications