Document (#11364)

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

   0.272341 = sum of:
     0.272341 = product of:
       0.7489377 = sum of:
         0.0035745217 = weight(abstract_txt:this in 3737) [ClassicSimilarity], result of:
           0.0035745217 = score(doc=3737,freq=1.0), product of:
             0.023650173 = queryWeight, product of:
               2.4182634 = idf(docFreq=10673, maxDocs=44083)
               0.0097798165 = queryNorm
             0.15114146 = fieldWeight in 3737, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.4182634 = idf(docFreq=10673, maxDocs=44083)
               0.0625 = fieldNorm(doc=3737)
         0.010720727 = weight(abstract_txt:from in 3737) [ClassicSimilarity], result of:
           0.010720727 = score(doc=3737,freq=4.0), product of:
             0.030985026 = queryWeight, product of:
               1.1446133 = boost
               2.7679763 = idf(docFreq=7523, maxDocs=44083)
               0.0097798165 = queryNorm
             0.34599704 = fieldWeight in 3737, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               2.7679763 = idf(docFreq=7523, maxDocs=44083)
               0.0625 = fieldNorm(doc=3737)
         0.008213817 = weight(abstract_txt:these in 3737) [ClassicSimilarity], result of:
           0.008213817 = score(doc=3737,freq=1.0), product of:
             0.0411831 = queryWeight, product of:
               1.3196002 = boost
               3.191141 = idf(docFreq=4927, maxDocs=44083)
               0.0097798165 = queryNorm
             0.1994463 = fieldWeight in 3737, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.191141 = idf(docFreq=4927, maxDocs=44083)
               0.0625 = fieldNorm(doc=3737)
         0.13068327 = weight(abstract_txt:mathematics in 3737) [ClassicSimilarity], result of:
           0.13068327 = score(doc=3737,freq=3.0), product of:
             0.18063223 = queryWeight, product of:
               2.7636337 = boost
               6.683194 = idf(docFreq=149, maxDocs=44083)
               0.0097798165 = queryNorm
             0.723477 = fieldWeight in 3737, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               6.683194 = idf(docFreq=149, maxDocs=44083)
               0.0625 = fieldNorm(doc=3737)
         0.0756768 = weight(abstract_txt:physics in 3737) [ClassicSimilarity], result of:
           0.0756768 = score(doc=3737,freq=1.0), product of:
             0.180994 = queryWeight, product of:
               2.7663996 = boost
               6.689883 = idf(docFreq=148, maxDocs=44083)
               0.0097798165 = queryNorm
             0.4181177 = fieldWeight in 3737, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.689883 = idf(docFreq=148, maxDocs=44083)
               0.0625 = fieldNorm(doc=3737)
         0.13628493 = weight(abstract_txt:chemistry in 3737) [ClassicSimilarity], result of:
           0.13628493 = score(doc=3737,freq=2.0), product of:
             0.21263966 = queryWeight, product of:
               2.9985063 = boost
               7.2511783 = idf(docFreq=84, maxDocs=44083)
               0.0097798165 = queryNorm
             0.6409196 = fieldWeight in 3737, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               7.2511783 = idf(docFreq=84, maxDocs=44083)
               0.0625 = fieldNorm(doc=3737)
         0.13088721 = weight(abstract_txt:earth in 3737) [ClassicSimilarity], result of:
           0.13088721 = score(doc=3737,freq=1.0), product of:
             0.26078773 = queryWeight, product of:
               3.3206754 = boost
               8.030268 = idf(docFreq=38, maxDocs=44083)
               0.0097798165 = queryNorm
             0.50189173 = fieldWeight in 3737, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.030268 = idf(docFreq=38, maxDocs=44083)
               0.0625 = fieldNorm(doc=3737)
         0.25289643 = weight(abstract_txt:sciences in 3737) [ClassicSimilarity], result of:
           0.25289643 = score(doc=3737,freq=3.0), product of:
             0.44527712 = queryWeight, product of:
               8.678167 = boost
               5.246524 = idf(docFreq=630, maxDocs=44083)
               0.0097798165 = queryNorm
             0.5679529 = fieldWeight in 3737, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               5.246524 = idf(docFreq=630, maxDocs=44083)
               0.0625 = fieldNorm(doc=3737)
       0.36363637 = coord(8/22)
   

2. Brown, C.: Physical sciences and mathematics literatures and their users (2009) 0.20

   0.1950849 = sum of:
     0.1950849 = product of:
       0.7153113 = sum of:
         0.0063189217 = weight(abstract_txt:this in 4865) [ClassicSimilarity], result of:
           0.0063189217 = score(doc=4865,freq=2.0), product of:
             0.023650173 = queryWeight, product of:
               2.4182634 = idf(docFreq=10673, maxDocs=44083)
               0.0097798165 = queryNorm
             0.2671829 = fieldWeight in 4865, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.4182634 = idf(docFreq=10673, maxDocs=44083)
               0.078125 = fieldNorm(doc=4865)
         0.13337804 = weight(abstract_txt:mathematics in 4865) [ClassicSimilarity], result of:
           0.13337804 = score(doc=4865,freq=2.0), product of:
             0.18063223 = queryWeight, product of:
               2.7636337 = boost
               6.683194 = idf(docFreq=149, maxDocs=44083)
               0.0097798165 = queryNorm
             0.7383956 = fieldWeight in 4865, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               6.683194 = idf(docFreq=149, maxDocs=44083)
               0.078125 = fieldNorm(doc=4865)
         0.094596 = weight(abstract_txt:physics in 4865) [ClassicSimilarity], result of:
           0.094596 = score(doc=4865,freq=1.0), product of:
             0.180994 = queryWeight, product of:
               2.7663996 = boost
               6.689883 = idf(docFreq=148, maxDocs=44083)
               0.0097798165 = queryNorm
             0.52264714 = fieldWeight in 4865, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.689883 = idf(docFreq=148, maxDocs=44083)
               0.078125 = fieldNorm(doc=4865)
         0.12046 = weight(abstract_txt:chemistry in 4865) [ClassicSimilarity], result of:
           0.12046 = score(doc=4865,freq=1.0), product of:
             0.21263966 = queryWeight, product of:
               2.9985063 = boost
               7.2511783 = idf(docFreq=84, maxDocs=44083)
               0.0097798165 = queryNorm
             0.5664983 = fieldWeight in 4865, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.2511783 = idf(docFreq=84, maxDocs=44083)
               0.078125 = fieldNorm(doc=4865)
         0.17804605 = weight(abstract_txt:astronomy in 4865) [ClassicSimilarity], result of:
           0.17804605 = score(doc=4865,freq=1.0), product of:
             0.275912 = queryWeight, product of:
               3.415609 = boost
               8.259842 = idf(docFreq=30, maxDocs=44083)
               0.0097798165 = queryNorm
             0.64530015 = fieldWeight in 4865, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.259842 = idf(docFreq=30, maxDocs=44083)
               0.078125 = fieldNorm(doc=4865)
         0.18251228 = weight(abstract_txt:sciences in 4865) [ClassicSimilarity], result of:
           0.18251228 = score(doc=4865,freq=1.0), product of:
             0.44527712 = queryWeight, product of:
               8.678167 = boost
               5.246524 = idf(docFreq=630, maxDocs=44083)
               0.0097798165 = queryNorm
             0.4098847 = fieldWeight in 4865, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.246524 = idf(docFreq=630, maxDocs=44083)
               0.078125 = fieldNorm(doc=4865)
       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

   0.18651795 = sum of:
     0.18651795 = product of:
       0.68389916 = sum of:
         0.0077390666 = weight(abstract_txt:this in 4054) [ClassicSimilarity], result of:
           0.0077390666 = score(doc=4054,freq=3.0), product of:
             0.023650173 = queryWeight, product of:
               2.4182634 = idf(docFreq=10673, maxDocs=44083)
               0.0097798165 = queryNorm
             0.32723087 = fieldWeight in 4054, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               2.4182634 = idf(docFreq=10673, maxDocs=44083)
               0.078125 = fieldNorm(doc=4054)
         0.011605526 = weight(abstract_txt:from in 4054) [ClassicSimilarity], result of:
           0.011605526 = score(doc=4054,freq=3.0), product of:
             0.030985026 = queryWeight, product of:
               1.1446133 = boost
               2.7679763 = idf(docFreq=7523, maxDocs=44083)
               0.0097798165 = queryNorm
             0.37455276 = fieldWeight in 4054, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               2.7679763 = idf(docFreq=7523, maxDocs=44083)
               0.078125 = fieldNorm(doc=4054)
         0.13337804 = weight(abstract_txt:mathematics in 4054) [ClassicSimilarity], result of:
           0.13337804 = score(doc=4054,freq=2.0), product of:
             0.18063223 = queryWeight, product of:
               2.7636337 = boost
               6.683194 = idf(docFreq=149, maxDocs=44083)
               0.0097798165 = queryNorm
             0.7383956 = fieldWeight in 4054, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               6.683194 = idf(docFreq=149, maxDocs=44083)
               0.078125 = fieldNorm(doc=4054)
         0.094596 = weight(abstract_txt:physics in 4054) [ClassicSimilarity], result of:
           0.094596 = score(doc=4054,freq=1.0), product of:
             0.180994 = queryWeight, product of:
               2.7663996 = boost
               6.689883 = idf(docFreq=148, maxDocs=44083)
               0.0097798165 = queryNorm
             0.52264714 = fieldWeight in 4054, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.689883 = idf(docFreq=148, maxDocs=44083)
               0.078125 = fieldNorm(doc=4054)
         0.12046 = weight(abstract_txt:chemistry in 4054) [ClassicSimilarity], result of:
           0.12046 = score(doc=4054,freq=1.0), product of:
             0.21263966 = queryWeight, product of:
               2.9985063 = boost
               7.2511783 = idf(docFreq=84, maxDocs=44083)
               0.0097798165 = queryNorm
             0.5664983 = fieldWeight in 4054, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.2511783 = idf(docFreq=84, maxDocs=44083)
               0.078125 = fieldNorm(doc=4054)
         0.31612054 = weight(abstract_txt:sciences in 4054) [ClassicSimilarity], result of:
           0.31612054 = score(doc=4054,freq=3.0), product of:
             0.44527712 = queryWeight, product of:
               8.678167 = boost
               5.246524 = idf(docFreq=630, maxDocs=44083)
               0.0097798165 = queryNorm
             0.7099411 = fieldWeight in 4054, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               5.246524 = idf(docFreq=630, maxDocs=44083)
               0.078125 = fieldNorm(doc=4054)
       0.27272728 = coord(6/22)
   

4. Dreisiebner, S.; Schlögl, C.: Assessing disciplinary differences in information literacy teaching materials (2019) 0.16

   0.16258524 = sum of:
     0.16258524 = product of:
       0.5109822 = sum of:
         0.0061912537 = weight(abstract_txt:this in 496) [ClassicSimilarity], result of:
           0.0061912537 = score(doc=496,freq=3.0), product of:
             0.023650173 = queryWeight, product of:
               2.4182634 = idf(docFreq=10673, maxDocs=44083)
               0.0097798165 = queryNorm
             0.2617847 = fieldWeight in 496, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               2.4182634 = idf(docFreq=10673, maxDocs=44083)
               0.0625 = fieldNorm(doc=496)
         0.0124735525 = weight(abstract_txt:different in 496) [ClassicSimilarity], result of:
           0.0124735525 = score(doc=496,freq=1.0), product of:
             0.05441047 = queryWeight, product of:
               1.5167851 = boost
               3.6679862 = idf(docFreq=3058, maxDocs=44083)
               0.0097798165 = queryNorm
             0.22924913 = fieldWeight in 496, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.6679862 = idf(docFreq=3058, maxDocs=44083)
               0.0625 = fieldNorm(doc=496)
         0.020357676 = weight(abstract_txt:specific in 496) [ClassicSimilarity], result of:
           0.020357676 = score(doc=496,freq=1.0), product of:
             0.075423695 = queryWeight, product of:
               1.7858162 = boost
               4.318574 = idf(docFreq=1595, maxDocs=44083)
               0.0097798165 = queryNorm
             0.26991087 = fieldWeight in 496, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.318574 = idf(docFreq=1595, maxDocs=44083)
               0.0625 = fieldNorm(doc=496)
         0.042610798 = weight(abstract_txt:life in 496) [ClassicSimilarity], result of:
           0.042610798 = score(doc=496,freq=1.0), product of:
             0.12341525 = queryWeight, product of:
               2.2843742 = boost
               5.5242186 = idf(docFreq=477, maxDocs=44083)
               0.0097798165 = queryNorm
             0.34526366 = fieldWeight in 496, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.5242186 = idf(docFreq=477, maxDocs=44083)
               0.0625 = fieldNorm(doc=496)
         0.061879292 = weight(abstract_txt:category in 496) [ClassicSimilarity], result of:
           0.061879292 = score(doc=496,freq=1.0), product of:
             0.15826538 = queryWeight, product of:
               2.586877 = boost
               6.25575 = idf(docFreq=229, maxDocs=44083)
               0.0097798165 = queryNorm
             0.3909844 = fieldWeight in 496, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.25575 = idf(docFreq=229, maxDocs=44083)
               0.0625 = fieldNorm(doc=496)
         0.07545002 = weight(abstract_txt:mathematics in 496) [ClassicSimilarity], result of:
           0.07545002 = score(doc=496,freq=1.0), product of:
             0.18063223 = queryWeight, product of:
               2.7636337 = boost
               6.683194 = idf(docFreq=149, maxDocs=44083)
               0.0097798165 = queryNorm
             0.41769964 = fieldWeight in 496, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.683194 = idf(docFreq=149, maxDocs=44083)
               0.0625 = fieldNorm(doc=496)
         0.29201964 = weight(abstract_txt:sciences in 496) [ClassicSimilarity], result of:
           0.29201964 = score(doc=496,freq=4.0), product of:
             0.44527712 = queryWeight, product of:
               8.678167 = boost
               5.246524 = idf(docFreq=630, maxDocs=44083)
               0.0097798165 = queryNorm
             0.6558155 = fieldWeight in 496, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               5.246524 = idf(docFreq=630, maxDocs=44083)
               0.0625 = fieldNorm(doc=496)
       0.3181818 = coord(7/22)
   

5. Chan, L.M.: Library of Congress Classification : alternative provisions (1995) 0.15

   0.15062584 = sum of:
     0.15062584 = product of:
       0.47339553 = sum of:
         0.0067004547 = weight(abstract_txt:from in 542) [ClassicSimilarity], result of:
           0.0067004547 = score(doc=542,freq=1.0), product of:
             0.030985026 = queryWeight, product of:
               1.1446133 = boost
               2.7679763 = idf(docFreq=7523, maxDocs=44083)
               0.0097798165 = queryNorm
             0.21624815 = fieldWeight in 542, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.7679763 = idf(docFreq=7523, maxDocs=44083)
               0.078125 = fieldNorm(doc=542)
         0.015591942 = weight(abstract_txt:different in 542) [ClassicSimilarity], result of:
           0.015591942 = score(doc=542,freq=1.0), product of:
             0.05441047 = queryWeight, product of:
               1.5167851 = boost
               3.6679862 = idf(docFreq=3058, maxDocs=44083)
               0.0097798165 = queryNorm
             0.28656143 = fieldWeight in 542, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.6679862 = idf(docFreq=3058, maxDocs=44083)
               0.078125 = fieldNorm(doc=542)
         0.025447093 = weight(abstract_txt:specific in 542) [ClassicSimilarity], result of:
           0.025447093 = score(doc=542,freq=1.0), product of:
             0.075423695 = queryWeight, product of:
               1.7858162 = boost
               4.318574 = idf(docFreq=1595, maxDocs=44083)
               0.0097798165 = queryNorm
             0.33738858 = fieldWeight in 542, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.318574 = idf(docFreq=1595, maxDocs=44083)
               0.078125 = fieldNorm(doc=542)
         0.035303753 = weight(abstract_txt:include in 542) [ClassicSimilarity], result of:
           0.035303753 = score(doc=542,freq=1.0), product of:
             0.09382018 = queryWeight, product of:
               1.9917324 = boost
               4.8165336 = idf(docFreq=969, maxDocs=44083)
               0.0097798165 = queryNorm
             0.3762917 = fieldWeight in 542, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.8165336 = idf(docFreq=969, maxDocs=44083)
               0.078125 = fieldNorm(doc=542)
         0.06354653 = weight(abstract_txt:dewey in 542) [ClassicSimilarity], result of:
           0.06354653 = score(doc=542,freq=1.0), product of:
             0.13882795 = queryWeight, product of:
               2.4228208 = boost
               5.859019 = idf(docFreq=341, maxDocs=44083)
               0.0097798165 = queryNorm
             0.45773584 = fieldWeight in 542, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.859019 = idf(docFreq=341, maxDocs=44083)
               0.078125 = fieldNorm(doc=542)
         0.14404348 = weight(abstract_txt:numbers in 542) [ClassicSimilarity], result of:
           0.14404348 = score(doc=542,freq=5.0), product of:
             0.14009461 = queryWeight, product of:
               2.4338486 = boost
               5.885687 = idf(docFreq=332, maxDocs=44083)
               0.0097798165 = queryNorm
             1.0281872 = fieldWeight in 542, product of:
               2.236068 = tf(freq=5.0), with freq of:
                 5.0 = termFreq=5.0
               5.885687 = idf(docFreq=332, maxDocs=44083)
               0.078125 = fieldNorm(doc=542)
         0.18276225 = weight(abstract_txt:class in 542) [ClassicSimilarity], result of:
           0.18276225 = score(doc=542,freq=2.0), product of:
             0.2807631 = queryWeight, product of:
               4.872679 = boost
               5.891711 = idf(docFreq=330, maxDocs=44083)
               0.0097798165 = queryNorm
             0.6509483 = fieldWeight in 542, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.891711 = idf(docFreq=330, maxDocs=44083)
               0.078125 = fieldNorm(doc=542)
       0.3181818 = coord(7/22)