Search (3 results, page 1 of 1)

  • × theme_ss:"Geschichte der Kataloge"
  • × theme_ss:"Geschichte der Sacherschließung"
  • × year_i:[1980 TO 1990}
  1. Pettee, J.: ¬The subject approach to books and the development of the dictionary catalog (1985) 0.01
    0.01103206 = product of:
      0.01654809 = sum of:
        0.0041706804 = weight(_text_:e in 3624) [ClassicSimilarity], result of:
          0.0041706804 = score(doc=3624,freq=2.0), product of:
            0.065655835 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.045677755 = queryNorm
            0.063523374 = fieldWeight in 3624, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03125 = fieldNorm(doc=3624)
        0.01237741 = product of:
          0.02475482 = sum of:
            0.02475482 = weight(_text_:22 in 3624) [ClassicSimilarity], result of:
              0.02475482 = score(doc=3624,freq=2.0), product of:
                0.15995571 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045677755 = queryNorm
                0.15476047 = fieldWeight in 3624, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03125 = fieldNorm(doc=3624)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Footnote
    Original in: Pettee, J.: The history and theory of the alphabetical subject approach to books. New York: Wilson 1946. S.22-25.
    Language
    e
  2. Pettee, J.: Public libraries and libraries as purveyors of information (1985) 0.00
    0.0013902269 = product of:
      0.0041706804 = sum of:
        0.0041706804 = weight(_text_:e in 3630) [ClassicSimilarity], result of:
          0.0041706804 = score(doc=3630,freq=2.0), product of:
            0.065655835 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.045677755 = queryNorm
            0.063523374 = fieldWeight in 3630, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03125 = fieldNorm(doc=3630)
      0.33333334 = coord(1/3)
    
    Language
    e
  3. Pettee, J.: Fundamental principles of the dictionary catalog (1985) 0.00
    0.0013902269 = product of:
      0.0041706804 = sum of:
        0.0041706804 = weight(_text_:e in 3633) [ClassicSimilarity], result of:
          0.0041706804 = score(doc=3633,freq=2.0), product of:
            0.065655835 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.045677755 = queryNorm
            0.063523374 = fieldWeight in 3633, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03125 = fieldNorm(doc=3633)
      0.33333334 = coord(1/3)
    
    Language
    e