Search (12 results, page 1 of 1)

  • × year_i:[1950 TO 1960}
  1. Hadamard, J.: ¬An essay on the psychology of invention in the mathematical field (1954) 0.03
    0.03098518 = product of:
      0.1652543 = sum of:
        0.041313574 = product of:
          0.08262715 = sum of:
            0.08262715 = weight(_text_:mathematik in 1681) [ClassicSimilarity], result of:
              0.08262715 = score(doc=1681,freq=2.0), product of:
                0.111489825 = queryWeight, product of:
                  5.5898643 = idf(docFreq=448, maxDocs=44218)
                  0.019944998 = queryNorm
                0.74111825 = fieldWeight in 1681, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.5898643 = idf(docFreq=448, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1681)
          0.5 = coord(1/2)
        0.041313574 = product of:
          0.08262715 = sum of:
            0.08262715 = weight(_text_:mathematik in 1681) [ClassicSimilarity], result of:
              0.08262715 = score(doc=1681,freq=2.0), product of:
                0.111489825 = queryWeight, product of:
                  5.5898643 = idf(docFreq=448, maxDocs=44218)
                  0.019944998 = queryNorm
                0.74111825 = fieldWeight in 1681, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.5898643 = idf(docFreq=448, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1681)
          0.5 = coord(1/2)
        0.08262715 = weight(_text_:mathematik in 1681) [ClassicSimilarity], result of:
          0.08262715 = score(doc=1681,freq=2.0), product of:
            0.111489825 = queryWeight, product of:
              5.5898643 = idf(docFreq=448, maxDocs=44218)
              0.019944998 = queryNorm
            0.74111825 = fieldWeight in 1681, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.5898643 = idf(docFreq=448, maxDocs=44218)
              0.09375 = fieldNorm(doc=1681)
      0.1875 = coord(3/16)
    
    Field
    Mathematik
  2. Infeld, L.: Wen die Götter lieben : Die Geschichte des Evariste Galois (1957) 0.03
    0.025820982 = product of:
      0.1377119 = sum of:
        0.034427974 = product of:
          0.06885595 = sum of:
            0.06885595 = weight(_text_:mathematik in 2054) [ClassicSimilarity], result of:
              0.06885595 = score(doc=2054,freq=2.0), product of:
                0.111489825 = queryWeight, product of:
                  5.5898643 = idf(docFreq=448, maxDocs=44218)
                  0.019944998 = queryNorm
                0.61759853 = fieldWeight in 2054, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.5898643 = idf(docFreq=448, maxDocs=44218)
                  0.078125 = fieldNorm(doc=2054)
          0.5 = coord(1/2)
        0.034427974 = product of:
          0.06885595 = sum of:
            0.06885595 = weight(_text_:mathematik in 2054) [ClassicSimilarity], result of:
              0.06885595 = score(doc=2054,freq=2.0), product of:
                0.111489825 = queryWeight, product of:
                  5.5898643 = idf(docFreq=448, maxDocs=44218)
                  0.019944998 = queryNorm
                0.61759853 = fieldWeight in 2054, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.5898643 = idf(docFreq=448, maxDocs=44218)
                  0.078125 = fieldNorm(doc=2054)
          0.5 = coord(1/2)
        0.06885595 = weight(_text_:mathematik in 2054) [ClassicSimilarity], result of:
          0.06885595 = score(doc=2054,freq=2.0), product of:
            0.111489825 = queryWeight, product of:
              5.5898643 = idf(docFreq=448, maxDocs=44218)
              0.019944998 = queryNorm
            0.61759853 = fieldWeight in 2054, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.5898643 = idf(docFreq=448, maxDocs=44218)
              0.078125 = fieldNorm(doc=2054)
      0.1875 = coord(3/16)
    
    Field
    Mathematik
  3. Fucks, W.: Mathematische Analyse von Sprachelementen, Sprachstil und Sprachen (1955) 0.01
    0.013700448 = product of:
      0.21920717 = sum of:
        0.21920717 = weight(_text_:mathematische in 2179) [ClassicSimilarity], result of:
          0.21920717 = score(doc=2179,freq=2.0), product of:
            0.14066203 = queryWeight, product of:
              7.0524964 = idf(docFreq=103, maxDocs=44218)
              0.019944998 = queryNorm
            1.5583962 = fieldWeight in 2179, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.0524964 = idf(docFreq=103, maxDocs=44218)
              0.15625 = fieldNorm(doc=2179)
      0.0625 = coord(1/16)
    
  4. Koblitz, J.: Fragen der Schlagwortgebung in der Dokumentation (1957) 0.01
    0.011322686 = product of:
      0.09058149 = sum of:
        0.045290746 = weight(_text_:23 in 1752) [ClassicSimilarity], result of:
          0.045290746 = score(doc=1752,freq=2.0), product of:
            0.07148406 = queryWeight, product of:
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.019944998 = queryNorm
            0.63357824 = fieldWeight in 1752, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.125 = fieldNorm(doc=1752)
        0.045290746 = weight(_text_:23 in 1752) [ClassicSimilarity], result of:
          0.045290746 = score(doc=1752,freq=2.0), product of:
            0.07148406 = queryWeight, product of:
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.019944998 = queryNorm
            0.63357824 = fieldWeight in 1752, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.125 = fieldNorm(doc=1752)
      0.125 = coord(2/16)
    
    Source
    Dokumentation: Zeitschrift für Theorie und Praxis der Dokumentationsarbeit. 4(1957), S.23-31
  5. Taube, M.; Gull, C.D.; Wachtel, I.S.: Unit terms in coordinate indexing (1952) 0.01
    0.008492014 = product of:
      0.067936115 = sum of:
        0.033968057 = weight(_text_:23 in 3234) [ClassicSimilarity], result of:
          0.033968057 = score(doc=3234,freq=2.0), product of:
            0.07148406 = queryWeight, product of:
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.019944998 = queryNorm
            0.47518367 = fieldWeight in 3234, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.09375 = fieldNorm(doc=3234)
        0.033968057 = weight(_text_:23 in 3234) [ClassicSimilarity], result of:
          0.033968057 = score(doc=3234,freq=2.0), product of:
            0.07148406 = queryWeight, product of:
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.019944998 = queryNorm
            0.47518367 = fieldWeight in 3234, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.09375 = fieldNorm(doc=3234)
      0.125 = coord(2/16)
    
    Date
    23. 2.2017 10:19:01
  6. Taube, M.; Wachtel, I.S.: ¬The logical structure of coordinate indexing (1953) 0.01
    0.008492014 = product of:
      0.067936115 = sum of:
        0.033968057 = weight(_text_:23 in 3452) [ClassicSimilarity], result of:
          0.033968057 = score(doc=3452,freq=2.0), product of:
            0.07148406 = queryWeight, product of:
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.019944998 = queryNorm
            0.47518367 = fieldWeight in 3452, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.09375 = fieldNorm(doc=3452)
        0.033968057 = weight(_text_:23 in 3452) [ClassicSimilarity], result of:
          0.033968057 = score(doc=3452,freq=2.0), product of:
            0.07148406 = queryWeight, product of:
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.019944998 = queryNorm
            0.47518367 = fieldWeight in 3452, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5840597 = idf(docFreq=3336, maxDocs=44218)
              0.09375 = fieldNorm(doc=3452)
      0.125 = coord(2/16)
    
    Date
    23. 2.2017 10:19:01
  7. Grasberger, F.: Systematischer Schlagwortkatalog (1951) 0.00
    0.0014586656 = product of:
      0.02333865 = sum of:
        0.02333865 = product of:
          0.070015945 = sum of:
            0.070015945 = weight(_text_:f in 1690) [ClassicSimilarity], result of:
              0.070015945 = score(doc=1690,freq=2.0), product of:
                0.07949649 = queryWeight, product of:
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.019944998 = queryNorm
                0.8807426 = fieldWeight in 1690, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.15625 = fieldNorm(doc=1690)
          0.33333334 = coord(1/3)
      0.0625 = coord(1/16)
    
  8. Rider, F.: ¬The story of D.C., 1876-1951 (1951) 0.00
    0.0011669324 = product of:
      0.018670918 = sum of:
        0.018670918 = product of:
          0.056012753 = sum of:
            0.056012753 = weight(_text_:f in 1711) [ClassicSimilarity], result of:
              0.056012753 = score(doc=1711,freq=2.0), product of:
                0.07949649 = queryWeight, product of:
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.019944998 = queryNorm
                0.7045941 = fieldWeight in 1711, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.125 = fieldNorm(doc=1711)
          0.33333334 = coord(1/3)
      0.0625 = coord(1/16)
    
  9. Penalosa, F.: ¬A card catalog : a failure in communication (1956) 0.00
    0.0011669324 = product of:
      0.018670918 = sum of:
        0.018670918 = product of:
          0.056012753 = sum of:
            0.056012753 = weight(_text_:f in 6235) [ClassicSimilarity], result of:
              0.056012753 = score(doc=6235,freq=2.0), product of:
                0.07949649 = queryWeight, product of:
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.019944998 = queryNorm
                0.7045941 = fieldWeight in 6235, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.125 = fieldNorm(doc=6235)
          0.33333334 = coord(1/3)
      0.0625 = coord(1/16)
    
  10. Donker-Duyvis, F.: ¬Die Organisation für den Aufbau der Dezimalklassifikation (1950) 0.00
    0.0010210659 = product of:
      0.016337054 = sum of:
        0.016337054 = product of:
          0.04901116 = sum of:
            0.04901116 = weight(_text_:f in 7337) [ClassicSimilarity], result of:
              0.04901116 = score(doc=7337,freq=2.0), product of:
                0.07949649 = queryWeight, product of:
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.019944998 = queryNorm
                0.6165198 = fieldWeight in 7337, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.985786 = idf(docFreq=2232, maxDocs=44218)
                  0.109375 = fieldNorm(doc=7337)
          0.33333334 = coord(1/3)
      0.0625 = coord(1/16)
    
  11. Wiener, N.: ¬The human use of human beings : cybernetics and society (1950) 0.00
    6.75568E-4 = product of:
      0.010809088 = sum of:
        0.010809088 = product of:
          0.032427263 = sum of:
            0.032427263 = weight(_text_:22 in 4857) [ClassicSimilarity], result of:
              0.032427263 = score(doc=4857,freq=2.0), product of:
                0.069843985 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.019944998 = queryNorm
                0.46428138 = fieldWeight in 4857, 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=4857)
          0.33333334 = coord(1/3)
      0.0625 = coord(1/16)
    
    Date
    8. 7.2000 18:17:22
  12. ¬The Role of classification in the modern American library : papers presented at an institute conducted by the University of Illinois Graduate School of Library Science, 1.-4.11.1959 (1959) 0.00
    6.75568E-4 = product of:
      0.010809088 = sum of:
        0.010809088 = product of:
          0.032427263 = sum of:
            0.032427263 = weight(_text_:22 in 5256) [ClassicSimilarity], result of:
              0.032427263 = score(doc=5256,freq=2.0), product of:
                0.069843985 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.019944998 = queryNorm
                0.46428138 = fieldWeight in 5256, 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=5256)
          0.33333334 = coord(1/3)
      0.0625 = coord(1/16)
    
    Date
    3.10.2000 10:22:59