Document (#11363)

Author
Malan, C.
Title
¬The 500 Dewey-class
Source
Cape librarian. 36(1992) no.6, S.12-13
Year
1992
Abstract
Examines specific questions arising from the different class numbers in this category. These include: mathematics, astronomy, physics, chemistry, earth sciences, paleontology, life sciences, botanical sciences, zoological sciences, and mammals
Field
Mathematik
Astronomie
Physik
Chemie
Geowissenschaften
Biologie
Object
DDC

Similar documents (content)

  1. Klavans, R.; Boyack, K.W.: Toward a consensus map of science (2009) 0.27
    0.2720596 = sum of:
      0.2720596 = product of:
        0.7481638 = sum of:
          0.0035269104 = weight(abstract_txt:this in 3736) [ClassicSimilarity], result of:
            0.0035269104 = score(doc=3736,freq=1.0), product of:
              0.023451813 = queryWeight, product of:
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.009746269 = queryNorm
              0.15038967 = fieldWeight in 3736, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.0625 = fieldNorm(doc=3736)
          0.010637851 = weight(abstract_txt:from in 3736) [ClassicSimilarity], result of:
            0.010637851 = score(doc=3736,freq=4.0), product of:
              0.030841067 = queryWeight, product of:
                1.1467705 = boost
                2.759399 = idf(docFreq=7646, maxDocs=44421)
                0.009746269 = queryNorm
              0.34492487 = fieldWeight in 3736, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.759399 = idf(docFreq=7646, maxDocs=44421)
                0.0625 = fieldNorm(doc=3736)
          0.008162804 = weight(abstract_txt:these in 3736) [ClassicSimilarity], result of:
            0.008162804 = score(doc=3736,freq=1.0), product of:
              0.041033607 = queryWeight, product of:
                1.3227618 = boost
                3.1828754 = idf(docFreq=5006, maxDocs=44421)
                0.009746269 = queryNorm
              0.19892971 = fieldWeight in 3736, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1828754 = idf(docFreq=5006, maxDocs=44421)
                0.0625 = fieldNorm(doc=3736)
          0.13017261 = weight(abstract_txt:mathematics in 3736) [ClassicSimilarity], result of:
            0.13017261 = score(doc=3736,freq=3.0), product of:
              0.1802545 = queryWeight, product of:
                2.7723935 = boost
                6.6710296 = idf(docFreq=152, maxDocs=44421)
                0.009746269 = queryNorm
              0.7221601 = fieldWeight in 3736, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.6710296 = idf(docFreq=152, maxDocs=44421)
                0.0625 = fieldNorm(doc=3736)
          0.075600795 = weight(abstract_txt:physics in 3736) [ClassicSimilarity], result of:
            0.075600795 = score(doc=3736,freq=1.0), product of:
              0.1809663 = queryWeight, product of:
                2.7778618 = boost
                6.684188 = idf(docFreq=150, maxDocs=44421)
                0.009746269 = queryNorm
              0.41776174 = fieldWeight in 3736, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.684188 = idf(docFreq=150, maxDocs=44421)
                0.0625 = fieldNorm(doc=3736)
          0.13692819 = weight(abstract_txt:chemistry in 3736) [ClassicSimilarity], result of:
            0.13692819 = score(doc=3736,freq=2.0), product of:
              0.21341848 = queryWeight, product of:
                3.01667 = boost
                7.2588162 = idf(docFreq=84, maxDocs=44421)
                0.009746269 = queryNorm
              0.64159477 = fieldWeight in 3736, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.2588162 = idf(docFreq=84, maxDocs=44421)
                0.0625 = fieldNorm(doc=3736)
          0.13146469 = weight(abstract_txt:earth in 3736) [ClassicSimilarity], result of:
            0.13146469 = score(doc=3736,freq=1.0), product of:
              0.26168945 = queryWeight, product of:
                3.3404496 = boost
                8.037906 = idf(docFreq=38, maxDocs=44421)
                0.009746269 = queryNorm
              0.5023691 = fieldWeight in 3736, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.037906 = idf(docFreq=38, maxDocs=44421)
                0.0625 = fieldNorm(doc=3736)
          0.25167 = weight(abstract_txt:sciences in 3736) [ClassicSimilarity], result of:
            0.25167 = score(doc=3736,freq=3.0), product of:
              0.4440658 = queryWeight, product of:
                8.7029295 = boost
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.009746269 = queryNorm
              0.56674033 = fieldWeight in 3736, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.0625 = fieldNorm(doc=3736)
        0.36363637 = coord(8/22)
    
  2. Brown, C.: Physical sciences and mathematics literatures and their users (2009) 0.19
    0.1944583 = sum of:
      0.1944583 = product of:
        0.71301377 = sum of:
          0.0062347553 = weight(abstract_txt:this in 851) [ClassicSimilarity], result of:
            0.0062347553 = score(doc=851,freq=2.0), product of:
              0.023451813 = queryWeight, product of:
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.009746269 = queryNorm
              0.26585388 = fieldWeight in 851, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.078125 = fieldNorm(doc=851)
          0.13285688 = weight(abstract_txt:mathematics in 851) [ClassicSimilarity], result of:
            0.13285688 = score(doc=851,freq=2.0), product of:
              0.1802545 = queryWeight, product of:
                2.7723935 = boost
                6.6710296 = idf(docFreq=152, maxDocs=44421)
                0.009746269 = queryNorm
              0.7370516 = fieldWeight in 851, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.6710296 = idf(docFreq=152, maxDocs=44421)
                0.078125 = fieldNorm(doc=851)
          0.094501 = weight(abstract_txt:physics in 851) [ClassicSimilarity], result of:
            0.094501 = score(doc=851,freq=1.0), product of:
              0.1809663 = queryWeight, product of:
                2.7778618 = boost
                6.684188 = idf(docFreq=150, maxDocs=44421)
                0.009746269 = queryNorm
              0.5222022 = fieldWeight in 851, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.684188 = idf(docFreq=150, maxDocs=44421)
                0.078125 = fieldNorm(doc=851)
          0.121028565 = weight(abstract_txt:chemistry in 851) [ClassicSimilarity], result of:
            0.121028565 = score(doc=851,freq=1.0), product of:
              0.21341848 = queryWeight, product of:
                3.01667 = boost
                7.2588162 = idf(docFreq=84, maxDocs=44421)
                0.009746269 = queryNorm
              0.56709504 = fieldWeight in 851, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2588162 = idf(docFreq=84, maxDocs=44421)
                0.078125 = fieldNorm(doc=851)
          0.17676534 = weight(abstract_txt:astronomy in 851) [ClassicSimilarity], result of:
            0.17676534 = score(doc=851,freq=1.0), product of:
              0.27472922 = queryWeight, product of:
                3.4226637 = boost
                8.235732 = idf(docFreq=31, maxDocs=44421)
                0.009746269 = queryNorm
              0.6434166 = fieldWeight in 851, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.235732 = idf(docFreq=31, maxDocs=44421)
                0.078125 = fieldNorm(doc=851)
          0.18162718 = weight(abstract_txt:sciences in 851) [ClassicSimilarity], result of:
            0.18162718 = score(doc=851,freq=1.0), product of:
              0.4440658 = queryWeight, product of:
                8.7029295 = boost
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.009746269 = queryNorm
              0.4090096 = fieldWeight in 851, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.078125 = fieldNorm(doc=851)
        0.27272728 = coord(6/22)
    
  3. Yan, E.; Yu, Q.: Using path-based approaches to examine the dynamic structure of discipline-level citation networks (2016) 0.19
    0.1860343 = sum of:
      0.1860343 = product of:
        0.68212575 = sum of:
          0.007635985 = weight(abstract_txt:this in 4053) [ClassicSimilarity], result of:
            0.007635985 = score(doc=4053,freq=3.0), product of:
              0.023451813 = queryWeight, product of:
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.009746269 = queryNorm
              0.3256032 = fieldWeight in 4053, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.078125 = fieldNorm(doc=4053)
          0.011515811 = weight(abstract_txt:from in 4053) [ClassicSimilarity], result of:
            0.011515811 = score(doc=4053,freq=3.0), product of:
              0.030841067 = queryWeight, product of:
                1.1467705 = boost
                2.759399 = idf(docFreq=7646, maxDocs=44421)
                0.009746269 = queryNorm
              0.3733921 = fieldWeight in 4053, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                2.759399 = idf(docFreq=7646, maxDocs=44421)
                0.078125 = fieldNorm(doc=4053)
          0.13285688 = weight(abstract_txt:mathematics in 4053) [ClassicSimilarity], result of:
            0.13285688 = score(doc=4053,freq=2.0), product of:
              0.1802545 = queryWeight, product of:
                2.7723935 = boost
                6.6710296 = idf(docFreq=152, maxDocs=44421)
                0.009746269 = queryNorm
              0.7370516 = fieldWeight in 4053, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.6710296 = idf(docFreq=152, maxDocs=44421)
                0.078125 = fieldNorm(doc=4053)
          0.094501 = weight(abstract_txt:physics in 4053) [ClassicSimilarity], result of:
            0.094501 = score(doc=4053,freq=1.0), product of:
              0.1809663 = queryWeight, product of:
                2.7778618 = boost
                6.684188 = idf(docFreq=150, maxDocs=44421)
                0.009746269 = queryNorm
              0.5222022 = fieldWeight in 4053, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.684188 = idf(docFreq=150, maxDocs=44421)
                0.078125 = fieldNorm(doc=4053)
          0.121028565 = weight(abstract_txt:chemistry in 4053) [ClassicSimilarity], result of:
            0.121028565 = score(doc=4053,freq=1.0), product of:
              0.21341848 = queryWeight, product of:
                3.01667 = boost
                7.2588162 = idf(docFreq=84, maxDocs=44421)
                0.009746269 = queryNorm
              0.56709504 = fieldWeight in 4053, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2588162 = idf(docFreq=84, maxDocs=44421)
                0.078125 = fieldNorm(doc=4053)
          0.3145875 = weight(abstract_txt:sciences in 4053) [ClassicSimilarity], result of:
            0.3145875 = score(doc=4053,freq=3.0), product of:
              0.4440658 = queryWeight, product of:
                8.7029295 = boost
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.009746269 = queryNorm
              0.7084254 = fieldWeight in 4053, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.078125 = fieldNorm(doc=4053)
        0.27272728 = coord(6/22)
    
  4. Dreisiebner, S.; Schlögl, C.: Assessing disciplinary differences in information literacy teaching materials (2019) 0.16
    0.16176626 = sum of:
      0.16176626 = product of:
        0.50840825 = sum of:
          0.006108788 = weight(abstract_txt:this in 495) [ClassicSimilarity], result of:
            0.006108788 = score(doc=495,freq=3.0), product of:
              0.023451813 = queryWeight, product of:
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.009746269 = queryNorm
              0.26048255 = fieldWeight in 495, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.0625 = fieldNorm(doc=495)
          0.012408765 = weight(abstract_txt:different in 495) [ClassicSimilarity], result of:
            0.012408765 = score(doc=495,freq=1.0), product of:
              0.054249927 = queryWeight, product of:
                1.5209376 = boost
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.009746269 = queryNorm
              0.2287333 = fieldWeight in 495, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.0625 = fieldNorm(doc=495)
          0.020208107 = weight(abstract_txt:specific in 495) [ClassicSimilarity], result of:
            0.020208107 = score(doc=495,freq=1.0), product of:
              0.07509261 = queryWeight, product of:
                1.7894123 = boost
                4.305746 = idf(docFreq=1628, maxDocs=44421)
                0.009746269 = queryNorm
              0.26910913 = fieldWeight in 495, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.305746 = idf(docFreq=1628, maxDocs=44421)
                0.0625 = fieldNorm(doc=495)
          0.042233586 = weight(abstract_txt:life in 495) [ClassicSimilarity], result of:
            0.042233586 = score(doc=495,freq=1.0), product of:
              0.122749224 = queryWeight, product of:
                2.2878165 = boost
                5.5050235 = idf(docFreq=490, maxDocs=44421)
                0.009746269 = queryNorm
              0.34406397 = fieldWeight in 495, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.5050235 = idf(docFreq=490, maxDocs=44421)
                0.0625 = fieldNorm(doc=495)
          0.061690312 = weight(abstract_txt:category in 495) [ClassicSimilarity], result of:
            0.061690312 = score(doc=495,freq=1.0), product of:
              0.15802462 = queryWeight, product of:
                2.5958176 = boost
                6.2461467 = idf(docFreq=233, maxDocs=44421)
                0.009746269 = queryNorm
              0.39038417 = fieldWeight in 495, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.2461467 = idf(docFreq=233, maxDocs=44421)
                0.0625 = fieldNorm(doc=495)
          0.0751552 = weight(abstract_txt:mathematics in 495) [ClassicSimilarity], result of:
            0.0751552 = score(doc=495,freq=1.0), product of:
              0.1802545 = queryWeight, product of:
                2.7723935 = boost
                6.6710296 = idf(docFreq=152, maxDocs=44421)
                0.009746269 = queryNorm
              0.41693935 = fieldWeight in 495, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.6710296 = idf(docFreq=152, maxDocs=44421)
                0.0625 = fieldNorm(doc=495)
          0.2906035 = weight(abstract_txt:sciences in 495) [ClassicSimilarity], result of:
            0.2906035 = score(doc=495,freq=4.0), product of:
              0.4440658 = queryWeight, product of:
                8.7029295 = boost
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.009746269 = queryNorm
              0.65441537 = fieldWeight in 495, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.0625 = fieldNorm(doc=495)
        0.3181818 = coord(7/22)
    
  5. Zhou, H.; Sun, B.; Guns, R.; Engels, T.C.E.; Huang, Y.; Zhang, L.: How do life sciences cite social sciences? : Characterizing the volume and trajectory of citations (2024) 0.15
    0.15366983 = sum of:
      0.15366983 = product of:
        0.6761473 = sum of:
          0.0035269104 = weight(abstract_txt:this in 2376) [ClassicSimilarity], result of:
            0.0035269104 = score(doc=2376,freq=1.0), product of:
              0.023451813 = queryWeight, product of:
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.009746269 = queryNorm
              0.15038967 = fieldWeight in 2376, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4062347 = idf(docFreq=10885, maxDocs=44421)
                0.0625 = fieldNorm(doc=2376)
          0.0075220964 = weight(abstract_txt:from in 2376) [ClassicSimilarity], result of:
            0.0075220964 = score(doc=2376,freq=2.0), product of:
              0.030841067 = queryWeight, product of:
                1.1467705 = boost
                2.759399 = idf(docFreq=7646, maxDocs=44421)
                0.009746269 = queryNorm
              0.2438987 = fieldWeight in 2376, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.759399 = idf(docFreq=7646, maxDocs=44421)
                0.0625 = fieldNorm(doc=2376)
          0.02946584 = weight(abstract_txt:questions in 2376) [ClassicSimilarity], result of:
            0.02946584 = score(doc=2376,freq=1.0), product of:
              0.09655898 = queryWeight, product of:
                2.0291219 = boost
                4.8825436 = idf(docFreq=914, maxDocs=44421)
                0.009746269 = queryNorm
              0.30515897 = fieldWeight in 2376, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.8825436 = idf(docFreq=914, maxDocs=44421)
                0.0625 = fieldNorm(doc=2376)
          0.11173956 = weight(abstract_txt:life in 2376) [ClassicSimilarity], result of:
            0.11173956 = score(doc=2376,freq=7.0), product of:
              0.122749224 = queryWeight, product of:
                2.2878165 = boost
                5.5050235 = idf(docFreq=490, maxDocs=44421)
                0.009746269 = queryNorm
              0.91030765 = fieldWeight in 2376, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                5.5050235 = idf(docFreq=490, maxDocs=44421)
                0.0625 = fieldNorm(doc=2376)
          0.5238929 = weight(abstract_txt:sciences in 2376) [ClassicSimilarity], result of:
            0.5238929 = score(doc=2376,freq=13.0), product of:
              0.4440658 = queryWeight, product of:
                8.7029295 = boost
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.009746269 = queryNorm
              1.179764 = fieldWeight in 2376, product of:
                3.6055512 = tf(freq=13.0), with freq of:
                  13.0 = termFreq=13.0
                5.235323 = idf(docFreq=642, maxDocs=44421)
                0.0625 = fieldNorm(doc=2376)
        0.22727273 = coord(5/22)