Search (49 results, page 1 of 3)

  • × type_ss:"a"
  • × year_i:[1970 TO 1980}
  1. Robertson, S.E.: Indexing theory and retrieval effectiveness (1979) 0.12
    0.119285956 = product of:
      0.23857191 = sum of:
        0.23857191 = product of:
          0.47714382 = sum of:
            0.47714382 = weight(_text_:s.e in 5175) [ClassicSimilarity], result of:
              0.47714382 = score(doc=5175,freq=2.0), product of:
                0.30782345 = queryWeight, product of:
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.043882273 = queryNorm
                1.5500568 = fieldWeight in 5175, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.15625 = fieldNorm(doc=5175)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Robertson, S.E.; Belkin, N.J.: Ranking in principle (1978) 0.10
    0.095428765 = product of:
      0.19085753 = sum of:
        0.19085753 = product of:
          0.38171506 = sum of:
            0.38171506 = weight(_text_:s.e in 1143) [ClassicSimilarity], result of:
              0.38171506 = score(doc=1143,freq=2.0), product of:
                0.30782345 = queryWeight, product of:
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.043882273 = queryNorm
                1.2400454 = fieldWeight in 1143, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.125 = fieldNorm(doc=1143)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Belkin, N.J.; Robertson, S.E: Information science and the phenomenon of information (1976) 0.10
    0.095428765 = product of:
      0.19085753 = sum of:
        0.19085753 = product of:
          0.38171506 = sum of:
            0.38171506 = weight(_text_:s.e in 2710) [ClassicSimilarity], result of:
              0.38171506 = score(doc=2710,freq=2.0), product of:
                0.30782345 = queryWeight, product of:
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.043882273 = queryNorm
                1.2400454 = fieldWeight in 2710, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.125 = fieldNorm(doc=2710)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  4. Robertson, S.E.: ¬The probabilistic character of relevance (1977) 0.10
    0.095428765 = product of:
      0.19085753 = sum of:
        0.19085753 = product of:
          0.38171506 = sum of:
            0.38171506 = weight(_text_:s.e in 7399) [ClassicSimilarity], result of:
              0.38171506 = score(doc=7399,freq=2.0), product of:
                0.30782345 = queryWeight, product of:
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.043882273 = queryNorm
                1.2400454 = fieldWeight in 7399, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.125 = fieldNorm(doc=7399)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  5. Barton, I.J.; Creasey, S.E.; Lynch, M.F.; Snell, M.J.: ¬An information-theoretic approach to text-searching in direct access systems (1974) 0.08
    0.08350017 = product of:
      0.16700034 = sum of:
        0.16700034 = product of:
          0.33400068 = sum of:
            0.33400068 = weight(_text_:s.e in 5455) [ClassicSimilarity], result of:
              0.33400068 = score(doc=5455,freq=2.0), product of:
                0.30782345 = queryWeight, product of:
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.043882273 = queryNorm
                1.0850397 = fieldWeight in 5455, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.109375 = fieldNorm(doc=5455)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  6. Robertson, S.E.: ¬The probability ranking principle in IR (1977) 0.07
    0.07157157 = product of:
      0.14314315 = sum of:
        0.14314315 = product of:
          0.2862863 = sum of:
            0.2862863 = weight(_text_:s.e in 1935) [ClassicSimilarity], result of:
              0.2862863 = score(doc=1935,freq=2.0), product of:
                0.30782345 = queryWeight, product of:
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.043882273 = queryNorm
                0.93003404 = fieldWeight in 1935, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1935)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  7. Robertson, S.E.; Walker, S.: Some simple effective approximations to the 2-Poisson molde for probabilisitc weighted retrieval (1979) 0.06
    0.059642978 = product of:
      0.119285956 = sum of:
        0.119285956 = product of:
          0.23857191 = sum of:
            0.23857191 = weight(_text_:s.e in 1940) [ClassicSimilarity], result of:
              0.23857191 = score(doc=1940,freq=2.0), product of:
                0.30782345 = queryWeight, product of:
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.043882273 = queryNorm
                0.7750284 = fieldWeight in 1940, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1940)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  8. Robertson, S.E.: Theories and models in information retrieval (1977) 0.05
    0.047714382 = product of:
      0.095428765 = sum of:
        0.095428765 = product of:
          0.19085753 = sum of:
            0.19085753 = weight(_text_:s.e in 1844) [ClassicSimilarity], result of:
              0.19085753 = score(doc=1844,freq=2.0), product of:
                0.30782345 = queryWeight, product of:
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.043882273 = queryNorm
                0.6200227 = fieldWeight in 1844, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1844)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  9. Robertson, S.E.; Sparck Jones, K.: Relevance weighting of search terms (1976) 0.05
    0.047714382 = product of:
      0.095428765 = sum of:
        0.095428765 = product of:
          0.19085753 = sum of:
            0.19085753 = weight(_text_:s.e in 71) [ClassicSimilarity], result of:
              0.19085753 = score(doc=71,freq=2.0), product of:
                0.30782345 = queryWeight, product of:
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.043882273 = queryNorm
                0.6200227 = fieldWeight in 71, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.014756 = idf(docFreq=107, maxDocs=44218)
                  0.0625 = fieldNorm(doc=71)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  10. Popper, K.R.: Three worlds : the Tanner lecture on human values. Deliverd at the University of Michigan, April 7, 1978 (1978) 0.03
    0.03484834 = product of:
      0.06969668 = sum of:
        0.06969668 = product of:
          0.27878672 = sum of:
            0.27878672 = weight(_text_:3a in 230) [ClassicSimilarity], result of:
              0.27878672 = score(doc=230,freq=2.0), product of:
                0.3720344 = queryWeight, product of:
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.043882273 = queryNorm
                0.7493574 = fieldWeight in 230, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.0625 = fieldNorm(doc=230)
          0.25 = coord(1/4)
      0.5 = coord(1/2)
    
    Source
    https%3A%2F%2Ftannerlectures.utah.edu%2F_documents%2Fa-to-z%2Fp%2Fpopper80.pdf&usg=AOvVaw3f4QRTEH-OEBmoYr2J_c7H
  11. Fischer, W.L.: Toleranzräume (1970) 0.03
    0.029727211 = product of:
      0.059454422 = sum of:
        0.059454422 = product of:
          0.118908845 = sum of:
            0.118908845 = weight(_text_:22 in 192) [ClassicSimilarity], result of:
              0.118908845 = score(doc=192,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.77380234 = fieldWeight in 192, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.15625 = fieldNorm(doc=192)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Archimedes. 22(1970) H.4, S.101-107
  12. Dahlberg, I.: Normung und Klassifikation (1978) 0.03
    0.029727211 = product of:
      0.059454422 = sum of:
        0.059454422 = product of:
          0.118908845 = sum of:
            0.118908845 = weight(_text_:22 in 1612) [ClassicSimilarity], result of:
              0.118908845 = score(doc=1612,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.77380234 = fieldWeight in 1612, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.15625 = fieldNorm(doc=1612)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    DK-Mitteilungen. 22(1978) Nr.5/6, S.13-18
  13. Dahlberg, I.: Kolloquium Einheitsklassifikation (1975) 0.03
    0.029727211 = product of:
      0.059454422 = sum of:
        0.059454422 = product of:
          0.118908845 = sum of:
            0.118908845 = weight(_text_:22 in 1625) [ClassicSimilarity], result of:
              0.118908845 = score(doc=1625,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.77380234 = fieldWeight in 1625, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.15625 = fieldNorm(doc=1625)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Nachrichten für Dokumentation. 26(1975), S.22-25
  14. Beaujean, M.: Zur Klassifizierung von Personalschriften (1976) 0.02
    0.023781769 = product of:
      0.047563538 = sum of:
        0.047563538 = product of:
          0.095127076 = sum of:
            0.095127076 = weight(_text_:22 in 96) [ClassicSimilarity], result of:
              0.095127076 = score(doc=96,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.61904186 = fieldWeight in 96, 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=96)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    7. 4.2001 15:35:22
  15. Dehnhard, H.: Gutachten zur Frage einer Einheitsklassifikation für die Bibliotheken der Bundesrepublik Deutschland (1972) 0.02
    0.023781769 = product of:
      0.047563538 = sum of:
        0.047563538 = product of:
          0.095127076 = sum of:
            0.095127076 = weight(_text_:22 in 180) [ClassicSimilarity], result of:
              0.095127076 = score(doc=180,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.61904186 = fieldWeight in 180, 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=180)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Mitteilungsblatt. VdB NW. N.F. 22(1972), S.367-369
  16. Birket-Smith, K.: ¬Die Klassifikation der Library of Congress mit ausländischen Augen gesehen (1972) 0.02
    0.023781769 = product of:
      0.047563538 = sum of:
        0.047563538 = product of:
          0.095127076 = sum of:
            0.095127076 = weight(_text_:22 in 1124) [ClassicSimilarity], result of:
              0.095127076 = score(doc=1124,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.61904186 = fieldWeight in 1124, 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=1124)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Mitteilungsblatt. VdB NW. N.F. 22(1972), S.117-131
  17. Wellisch, H.H.: Organisatorische Neuordnung des DK-Systems (1971) 0.02
    0.023781769 = product of:
      0.047563538 = sum of:
        0.047563538 = product of:
          0.095127076 = sum of:
            0.095127076 = weight(_text_:22 in 1168) [ClassicSimilarity], result of:
              0.095127076 = score(doc=1168,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.61904186 = fieldWeight in 1168, 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=1168)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Nachrichten für Dokumentation. 22(1971), S.55-63
  18. Höhne, H.: Zur Durchsetzung der Einheitsklassifikation im wissenschaftlichen Bibliothekswesen der DDR (1978) 0.02
    0.023781769 = product of:
      0.047563538 = sum of:
        0.047563538 = product of:
          0.095127076 = sum of:
            0.095127076 = weight(_text_:22 in 1416) [ClassicSimilarity], result of:
              0.095127076 = score(doc=1416,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.61904186 = fieldWeight in 1416, 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=1416)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Zentralblatt für Bibliothekswesen. 92(1978), S.18-22
  19. Morse, P.M.: Search theory and browsing (1970) 0.02
    0.023781769 = product of:
      0.047563538 = sum of:
        0.047563538 = product of:
          0.095127076 = sum of:
            0.095127076 = weight(_text_:22 in 1448) [ClassicSimilarity], result of:
              0.095127076 = score(doc=1448,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.61904186 = fieldWeight in 1448, 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=1448)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 5.2005 19:53:09
  20. Ringshausen, H.: Vom Schlagwortkatalog zum Schlag-Stichwortkatalog (1973/74) 0.02
    0.023781769 = product of:
      0.047563538 = sum of:
        0.047563538 = product of:
          0.095127076 = sum of:
            0.095127076 = weight(_text_:22 in 2767) [ClassicSimilarity], result of:
              0.095127076 = score(doc=2767,freq=2.0), product of:
                0.15366824 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043882273 = queryNorm
                0.61904186 = fieldWeight in 2767, 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=2767)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    DFW. 22(1973/74), S.41-42