Search (3732 results, page 1 of 187)

  1. Lancaster, F.W.; Fayen, E.G.: Information retrieval on-line (1973) 0.13
    0.1252552 = product of:
      0.2505104 = sum of:
        0.2505104 = product of:
          0.5010208 = sum of:
            0.5010208 = weight(_text_:f.w in 2260) [ClassicSimilarity], result of:
              0.5010208 = score(doc=2260,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.5903444 = fieldWeight in 2260, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.15625 = fieldNorm(doc=2260)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Lancaster, F.W.: Toward paperless information systems (1978) 0.13
    0.1252552 = product of:
      0.2505104 = sum of:
        0.2505104 = product of:
          0.5010208 = sum of:
            0.5010208 = weight(_text_:f.w in 3356) [ClassicSimilarity], result of:
              0.5010208 = score(doc=3356,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.5903444 = fieldWeight in 3356, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.15625 = fieldNorm(doc=3356)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Lancaster, F.W.: Libraries and librarians in an age of electronics (1982) 0.13
    0.1252552 = product of:
      0.2505104 = sum of:
        0.2505104 = product of:
          0.5010208 = sum of:
            0.5010208 = weight(_text_:f.w in 6184) [ClassicSimilarity], result of:
              0.5010208 = score(doc=6184,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.5903444 = fieldWeight in 6184, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.15625 = fieldNorm(doc=6184)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  4. Lancaster, F.W.; Smith, L.C.: Compatibility issues affecting information systems and services (1983) 0.13
    0.1252552 = product of:
      0.2505104 = sum of:
        0.2505104 = product of:
          0.5010208 = sum of:
            0.5010208 = weight(_text_:f.w in 7130) [ClassicSimilarity], result of:
              0.5010208 = score(doc=7130,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.5903444 = fieldWeight in 7130, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.15625 = fieldNorm(doc=7130)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  5. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.12
    0.12392682 = product of:
      0.24785364 = sum of:
        0.24785364 = sum of:
          0.20040831 = weight(_text_:f.w in 217) [ClassicSimilarity], result of:
            0.20040831 = score(doc=217,freq=2.0), product of:
              0.31503916 = queryWeight, product of:
                7.1970778 = idf(docFreq=89, maxDocs=44218)
                0.043773204 = queryNorm
              0.6361378 = fieldWeight in 217, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.1970778 = idf(docFreq=89, maxDocs=44218)
                0.0625 = fieldNorm(doc=217)
          0.04744532 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
            0.04744532 = score(doc=217,freq=2.0), product of:
              0.15328631 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.043773204 = queryNorm
              0.30952093 = fieldWeight in 217, 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=217)
      0.5 = coord(1/2)
    
    Date
    22. 4.2007 10:07:51
  6. Ackermann, E.: Piaget's constructivism, Papert's constructionism : what's the difference? (2001) 0.11
    0.11135591 = product of:
      0.22271182 = sum of:
        0.22271182 = product of:
          0.44542363 = sum of:
            0.17380863 = weight(_text_:3a in 692) [ClassicSimilarity], result of:
              0.17380863 = score(doc=692,freq=2.0), product of:
                0.37110972 = queryWeight, product of:
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.043773204 = queryNorm
                0.46834838 = fieldWeight in 692, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=692)
            0.271615 = weight(_text_:2c in 692) [ClassicSimilarity], result of:
              0.271615 = score(doc=692,freq=2.0), product of:
                0.46392047 = queryWeight, product of:
                  10.598275 = idf(docFreq=2, maxDocs=44218)
                  0.043773204 = queryNorm
                0.5854775 = fieldWeight in 692, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  10.598275 = idf(docFreq=2, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=692)
          0.5 = coord(2/4)
      0.5 = coord(1/2)
    
    Content
    Vgl.: https://www.semanticscholar.org/paper/Piaget-%E2%80%99-s-Constructivism-%2C-Papert-%E2%80%99-s-%3A-What-%E2%80%99-s-Ackermann/89cbcc1e740a4591443ff4765a6ae8df0fdf5554. Darunter weitere Hinweise auf verwandte Beiträge. Auch unter: Learning Group Publication 5(2001) no.3, S.438.
  7. Huisman, F.W.: PICA: Einführung in die kooperative Sacherschließung (1991) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 954) [ClassicSimilarity], result of:
              0.40081662 = score(doc=954,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 954, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=954)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  8. Lancaster, F.W.; Zeter, M.J.; Metzler, L.: Ranganathan's influence examined bibliometrically (1992) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 1379) [ClassicSimilarity], result of:
              0.40081662 = score(doc=1379,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 1379, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=1379)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  9. Lancaster, F.W.: Vocabulary control in information retrieval systems (1977) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 1774) [ClassicSimilarity], result of:
              0.40081662 = score(doc=1774,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 1774, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=1774)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  10. Lancaster, F.W.; Mills, J.: Testing indexes and index language devices : the ASLIB Cranfield project (1964) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 2261) [ClassicSimilarity], result of:
              0.40081662 = score(doc=2261,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 2261, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=2261)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  11. Lancaster, F.W.: Information retrieval systems : characteristics, testing and evaluation (1979) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 7270) [ClassicSimilarity], result of:
              0.40081662 = score(doc=7270,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 7270, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=7270)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  12. Ratcliffe, F.W.: Problems of open access in large academic libraries (1968) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 7361) [ClassicSimilarity], result of:
              0.40081662 = score(doc=7361,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 7361, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=7361)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  13. Burkhardt, F.W.: ¬Die elektronische Zeitung wird es nie geben : ... genau so wenig wie das fliegende Auto (1994) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 8224) [ClassicSimilarity], result of:
              0.40081662 = score(doc=8224,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 8224, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=8224)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  14. Horton, F.W.: Extending the librarian's domain : a survey of emerging occupation opportunities for librarians and information professionals (1994) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 638) [ClassicSimilarity], result of:
              0.40081662 = score(doc=638,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 638, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=638)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  15. Lancaster, F.W.; Gillespie, C.J.: Design and evaluation of information systems (1970) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 243) [ClassicSimilarity], result of:
              0.40081662 = score(doc=243,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 243, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=243)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  16. Lancaster, F.W.; Elliker, C.; Connell, T.H.: Subject analysis (1989) 0.10
    0.100204155 = product of:
      0.20040831 = sum of:
        0.20040831 = product of:
          0.40081662 = sum of:
            0.40081662 = weight(_text_:f.w in 338) [ClassicSimilarity], result of:
              0.40081662 = score(doc=338,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.2722756 = fieldWeight in 338, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.125 = fieldNorm(doc=338)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  17. Lancaster, F.W.; Li, J.: ¬The law of constant accessibility of information (1988/89) 0.09
    0.08767863 = product of:
      0.17535727 = sum of:
        0.17535727 = product of:
          0.35071453 = sum of:
            0.35071453 = weight(_text_:f.w in 1565) [ClassicSimilarity], result of:
              0.35071453 = score(doc=1565,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.1132411 = fieldWeight in 1565, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.109375 = fieldNorm(doc=1565)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  18. Borgman, C.L.: Toward a definition of user friendliness : a psychological perspective (1987) 0.09
    0.08767863 = product of:
      0.17535727 = sum of:
        0.17535727 = product of:
          0.35071453 = sum of:
            0.35071453 = weight(_text_:f.w in 7685) [ClassicSimilarity], result of:
              0.35071453 = score(doc=7685,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.1132411 = fieldWeight in 7685, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.109375 = fieldNorm(doc=7685)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    What is user friendly? Ed.: F.W. Lancaster
  19. Smith, L.C.: user friendly future : applications of new information technology (1987) 0.09
    0.08767863 = product of:
      0.17535727 = sum of:
        0.17535727 = product of:
          0.35071453 = sum of:
            0.35071453 = weight(_text_:f.w in 7686) [ClassicSimilarity], result of:
              0.35071453 = score(doc=7686,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.1132411 = fieldWeight in 7686, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.109375 = fieldNorm(doc=7686)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    What is user friendly? Ed.: F.W. Lancaster
  20. Lancaster, F.W.: Evaluation of expert systems in information service applications (1994) 0.09
    0.08767863 = product of:
      0.17535727 = sum of:
        0.17535727 = product of:
          0.35071453 = sum of:
            0.35071453 = weight(_text_:f.w in 8905) [ClassicSimilarity], result of:
              0.35071453 = score(doc=8905,freq=2.0), product of:
                0.31503916 = queryWeight, product of:
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.043773204 = queryNorm
                1.1132411 = fieldWeight in 8905, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.1970778 = idf(docFreq=89, maxDocs=44218)
                  0.109375 = fieldNorm(doc=8905)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    

Languages

Types

  • a 3101
  • m 363
  • el 161
  • s 152
  • b 39
  • x 35
  • i 24
  • r 18
  • ? 8
  • p 4
  • d 3
  • n 3
  • u 2
  • z 2
  • au 1
  • h 1
  • More… Less…

Themes

Subjects

Classifications