Document (#42901)

Author
Fraser, C.
Title
Mathematics in library and review classification systems : an historical overview
Source
Knowledge organization. 47(2020) no.4, S.334-356
Year
2020
Series
Reviews of concepts in knowledge organization
Abstract
The modern classification of mathematical subjects occurred within the larger framework of library classification, a project receiving sustained attention in the period from 1870 to the present. The early work of the library cataloguers was carried out against the background of a broad nineteenth-century interest in the classification of knowledge. We explore different views during this period concerning the position of mathematics in the overall scheme of knowledge, the scope of mathematics and the internal organization of the different parts of mathematics. We examine how mathematical books were classified, from the most general level down to the level of particular subject areas in analysis. The focus is on the Library of Congress Classification in its various iterations from 1905 to the present. The article ends with an examination of the Mathematics Subject Classification Scheme employed today by reviewing services Mathematical Reviews in the United States and Zentralblatt in Germany.
Content
DOI:10.5771/0943-7444-2020-4-334.
Field
Mathematik
Object
LCC
MSC

Similar documents (author)

  1. Fraser, N.: Soziale Gerechtigkeit in der Wissensgesellschaft : Umverteilung, Anerkennung und Teilhabe (2002) 6.09 
    6.094361 = sum of:
  6.094361 = weight(author_txt:fraser in 1598) [ClassicSimilarity], result of:
    6.094361 = fieldWeight in 1598, product of:
      1.0 = tf(freq=1.0), with freq of:
        1.0 = termFreq=1.0
      9.7509775 = idf(docFreq=6, maxDocs=44218)
      0.625 = fieldNorm(doc=1598)
  2. Fraser, L.; Locatis, C.: Effects of link annotations on search performance in layered and unlayered hierarchically organized information spaces (2001) 4.88 
    4.8754888 = sum of:
  4.8754888 = weight(author_txt:fraser in 6937) [ClassicSimilarity], result of:
    4.8754888 = fieldWeight in 6937, product of:
      1.0 = tf(freq=1.0), with freq of:
        1.0 = termFreq=1.0
      9.7509775 = idf(docFreq=6, maxDocs=44218)
      0.5 = fieldNorm(doc=6937)
  3. Green, R.; Fraser, L.: Patterns in verbal polysemy (2004) 4.88 
    4.8754888 = sum of:
  4.8754888 = weight(author_txt:fraser in 2621) [ClassicSimilarity], result of:
    4.8754888 = fieldWeight in 2621, product of:
      1.0 = tf(freq=1.0), with freq of:
        1.0 = termFreq=1.0
      9.7509775 = idf(docFreq=6, maxDocs=44218)
      0.5 = fieldNorm(doc=2621)
  4. Pinto, F.; Fraser, M.: Access management, the key to a Portal (2003) 4.88 
    4.8754888 = sum of:
  4.8754888 = weight(author_txt:fraser in 4111) [ClassicSimilarity], result of:
    4.8754888 = fieldWeight in 4111, product of:
      1.0 = tf(freq=1.0), with freq of:
        1.0 = termFreq=1.0
      9.7509775 = idf(docFreq=6, maxDocs=44218)
      0.5 = fieldNorm(doc=4111)
  5. Bobrow, D.G.; Fraser, J.B.; Quillian, M.R.: Automated language processing (1967) 3.66 
    3.6566167 = sum of:
  3.6566167 = weight(author_txt:fraser in 228) [ClassicSimilarity], result of:
    3.6566167 = fieldWeight in 228, product of:
      1.0 = tf(freq=1.0), with freq of:
        1.0 = termFreq=1.0
      9.7509775 = idf(docFreq=6, maxDocs=44218)
      0.375 = fieldNorm(doc=228)

Similar documents (content)

  1. Martínez-Ávila, D.: Classification & authority control : expanding resource discovery (2016) 0.44 
    0.43534866 = sum of:
  0.43534866 = product of:
    1.3604646 = sum of:
      0.067299664 = weight(abstract_txt:germany in 2827) [ClassicSimilarity], result of:
        0.067299664 = score(doc=2827,freq=1.0), product of:
          0.12556265 = queryWeight, product of:
            1.1065995 = boost
            6.8606052 = idf(docFreq=125, maxDocs=44218)
            0.016538939 = queryNorm
          0.53598475 = fieldWeight in 2827, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            6.8606052 = idf(docFreq=125, maxDocs=44218)
            0.078125 = fieldNorm(doc=2827)
      0.026434967 = weight(abstract_txt:knowledge in 2827) [ClassicSimilarity], result of:
        0.026434967 = score(doc=2827,freq=2.0), product of:
          0.067344844 = queryWeight, product of:
            1.1461128 = boost
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.016538939 = queryNorm
          0.39253142 = fieldWeight in 2827, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.078125 = fieldNorm(doc=2827)
      0.024859484 = weight(abstract_txt:subject in 2827) [ClassicSimilarity], result of:
        0.024859484 = score(doc=2827,freq=1.0), product of:
          0.08144353 = queryWeight, product of:
            1.2603858 = boost
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.016538939 = queryNorm
          0.30523583 = fieldWeight in 2827, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.078125 = fieldNorm(doc=2827)
      0.0686814 = weight(abstract_txt:scheme in 2827) [ClassicSimilarity], result of:
        0.0686814 = score(doc=2827,freq=1.0), product of:
          0.16035701 = queryWeight, product of:
            1.7685573 = boost
            5.4822793 = idf(docFreq=499, maxDocs=44218)
            0.016538939 = queryNorm
          0.42830306 = fieldWeight in 2827, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            5.4822793 = idf(docFreq=499, maxDocs=44218)
            0.078125 = fieldNorm(doc=2827)
      0.026978439 = weight(abstract_txt:library in 2827) [ClassicSimilarity], result of:
        0.026978439 = score(doc=2827,freq=1.0), product of:
          0.10836351 = queryWeight, product of:
            2.0560408 = boost
            3.1867187 = idf(docFreq=4964, maxDocs=44218)
            0.016538939 = queryNorm
          0.2489624 = fieldWeight in 2827, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.1867187 = idf(docFreq=4964, maxDocs=44218)
            0.078125 = fieldNorm(doc=2827)
      0.2263799 = weight(abstract_txt:mathematical in 2827) [ClassicSimilarity], result of:
        0.2263799 = score(doc=2827,freq=2.0), product of:
          0.3226816 = queryWeight, product of:
            3.0726135 = boost
            6.3497796 = idf(docFreq=209, maxDocs=44218)
            0.016538939 = queryNorm
          0.7015581 = fieldWeight in 2827, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            6.3497796 = idf(docFreq=209, maxDocs=44218)
            0.078125 = fieldNorm(doc=2827)
      0.15911204 = weight(abstract_txt:classification in 2827) [ClassicSimilarity], result of:
        0.15911204 = score(doc=2827,freq=4.0), product of:
          0.25508463 = queryWeight, product of:
            3.863474 = boost
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.016538939 = queryNorm
          0.6237618 = fieldWeight in 2827, product of:
            2.0 = tf(freq=4.0), with freq of:
              4.0 = termFreq=4.0
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.078125 = fieldNorm(doc=2827)
      0.76071876 = weight(abstract_txt:mathematics in 2827) [ClassicSimilarity], result of:
        0.76071876 = score(doc=2827,freq=6.0), product of:
          0.59512407 = queryWeight, product of:
            5.3870244 = boost
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.016538939 = queryNorm
          1.2782524 = fieldWeight in 2827, product of:
            2.4494898 = tf(freq=6.0), with freq of:
              6.0 = termFreq=6.0
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.078125 = fieldNorm(doc=2827)
    0.32 = coord(8/25)
  2. Lange, C.; Ion, P.; Dimou, A.; Bratsas, C.; Sperber, W.; Kohlhasel, M.; Antoniou, I.: Getting mathematics towards the Web of Data : the case of the Mathematics Subject Classification (2012) 0.38 
    0.3815481 = sum of:
  0.3815481 = product of:
    1.0598558 = sum of:
      0.014953875 = weight(abstract_txt:knowledge in 111) [ClassicSimilarity], result of:
        0.014953875 = score(doc=111,freq=1.0), product of:
          0.067344844 = queryWeight, product of:
            1.1461128 = boost
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.016538939 = queryNorm
          0.2220493 = fieldWeight in 111, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.0625 = fieldNorm(doc=111)
      0.019887587 = weight(abstract_txt:subject in 111) [ClassicSimilarity], result of:
        0.019887587 = score(doc=111,freq=1.0), product of:
          0.08144353 = queryWeight, product of:
            1.2603858 = boost
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.016538939 = queryNorm
          0.24418867 = fieldWeight in 111, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.0625 = fieldNorm(doc=111)
      0.010560773 = weight(abstract_txt:from in 111) [ClassicSimilarity], result of:
        0.010560773 = score(doc=111,freq=1.0), product of:
          0.06113587 = queryWeight, product of:
            1.3374232 = boost
            2.7638826 = idf(docFreq=7577, maxDocs=44218)
            0.016538939 = queryNorm
          0.17274266 = fieldWeight in 111, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            2.7638826 = idf(docFreq=7577, maxDocs=44218)
            0.0625 = fieldNorm(doc=111)
      0.02742817 = weight(abstract_txt:present in 111) [ClassicSimilarity], result of:
        0.02742817 = score(doc=111,freq=1.0), product of:
          0.10090974 = queryWeight, product of:
            1.4029485 = boost
            4.348943 = idf(docFreq=1552, maxDocs=44218)
            0.016538939 = queryNorm
          0.27180895 = fieldWeight in 111, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            4.348943 = idf(docFreq=1552, maxDocs=44218)
            0.0625 = fieldNorm(doc=111)
      0.12697099 = weight(abstract_txt:zentralblatt in 111) [ClassicSimilarity], result of:
        0.12697099 = score(doc=111,freq=1.0), product of:
          0.22246492 = queryWeight, product of:
            1.47296 = boost
            9.131938 = idf(docFreq=12, maxDocs=44218)
            0.016538939 = queryNorm
          0.5707461 = fieldWeight in 111, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            9.131938 = idf(docFreq=12, maxDocs=44218)
            0.0625 = fieldNorm(doc=111)
      0.07770413 = weight(abstract_txt:scheme in 111) [ClassicSimilarity], result of:
        0.07770413 = score(doc=111,freq=2.0), product of:
          0.16035701 = queryWeight, product of:
            1.7685573 = boost
            5.4822793 = idf(docFreq=499, maxDocs=44218)
            0.016538939 = queryNorm
          0.4845696 = fieldWeight in 111, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            5.4822793 = idf(docFreq=499, maxDocs=44218)
            0.0625 = fieldNorm(doc=111)
      0.2218061 = weight(abstract_txt:mathematical in 111) [ClassicSimilarity], result of:
        0.2218061 = score(doc=111,freq=3.0), product of:
          0.3226816 = queryWeight, product of:
            3.0726135 = boost
            6.3497796 = idf(docFreq=209, maxDocs=44218)
            0.016538939 = queryNorm
          0.6873838 = fieldWeight in 111, product of:
            1.7320508 = tf(freq=3.0), with freq of:
              3.0 = termFreq=3.0
            6.3497796 = idf(docFreq=209, maxDocs=44218)
            0.0625 = fieldNorm(doc=111)
      0.06364481 = weight(abstract_txt:classification in 111) [ClassicSimilarity], result of:
        0.06364481 = score(doc=111,freq=1.0), product of:
          0.25508463 = queryWeight, product of:
            3.863474 = boost
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.016538939 = queryNorm
          0.2495047 = fieldWeight in 111, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.0625 = fieldNorm(doc=111)
      0.4968994 = weight(abstract_txt:mathematics in 111) [ClassicSimilarity], result of:
        0.4968994 = score(doc=111,freq=4.0), product of:
          0.59512407 = queryWeight, product of:
            5.3870244 = boost
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.016538939 = queryNorm
          0.8349509 = fieldWeight in 111, product of:
            2.0 = tf(freq=4.0), with freq of:
              4.0 = termFreq=4.0
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.0625 = fieldNorm(doc=111)
    0.36 = coord(9/25)
  3. Lange, C.; Ion, P.; Dimou, A.; Bratsas, C.; Sperber, W.; Kohlhasel, M.; Antoniou, I.: Bringing mathematics towards the Web of Data : the case of the Mathematics Subject Classification (2012) 0.38 
    0.3815481 = sum of:
  0.3815481 = product of:
    1.0598558 = sum of:
      0.014953875 = weight(abstract_txt:knowledge in 263) [ClassicSimilarity], result of:
        0.014953875 = score(doc=263,freq=1.0), product of:
          0.067344844 = queryWeight, product of:
            1.1461128 = boost
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.016538939 = queryNorm
          0.2220493 = fieldWeight in 263, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.0625 = fieldNorm(doc=263)
      0.019887587 = weight(abstract_txt:subject in 263) [ClassicSimilarity], result of:
        0.019887587 = score(doc=263,freq=1.0), product of:
          0.08144353 = queryWeight, product of:
            1.2603858 = boost
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.016538939 = queryNorm
          0.24418867 = fieldWeight in 263, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.0625 = fieldNorm(doc=263)
      0.010560773 = weight(abstract_txt:from in 263) [ClassicSimilarity], result of:
        0.010560773 = score(doc=263,freq=1.0), product of:
          0.06113587 = queryWeight, product of:
            1.3374232 = boost
            2.7638826 = idf(docFreq=7577, maxDocs=44218)
            0.016538939 = queryNorm
          0.17274266 = fieldWeight in 263, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            2.7638826 = idf(docFreq=7577, maxDocs=44218)
            0.0625 = fieldNorm(doc=263)
      0.02742817 = weight(abstract_txt:present in 263) [ClassicSimilarity], result of:
        0.02742817 = score(doc=263,freq=1.0), product of:
          0.10090974 = queryWeight, product of:
            1.4029485 = boost
            4.348943 = idf(docFreq=1552, maxDocs=44218)
            0.016538939 = queryNorm
          0.27180895 = fieldWeight in 263, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            4.348943 = idf(docFreq=1552, maxDocs=44218)
            0.0625 = fieldNorm(doc=263)
      0.12697099 = weight(abstract_txt:zentralblatt in 263) [ClassicSimilarity], result of:
        0.12697099 = score(doc=263,freq=1.0), product of:
          0.22246492 = queryWeight, product of:
            1.47296 = boost
            9.131938 = idf(docFreq=12, maxDocs=44218)
            0.016538939 = queryNorm
          0.5707461 = fieldWeight in 263, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            9.131938 = idf(docFreq=12, maxDocs=44218)
            0.0625 = fieldNorm(doc=263)
      0.07770413 = weight(abstract_txt:scheme in 263) [ClassicSimilarity], result of:
        0.07770413 = score(doc=263,freq=2.0), product of:
          0.16035701 = queryWeight, product of:
            1.7685573 = boost
            5.4822793 = idf(docFreq=499, maxDocs=44218)
            0.016538939 = queryNorm
          0.4845696 = fieldWeight in 263, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            5.4822793 = idf(docFreq=499, maxDocs=44218)
            0.0625 = fieldNorm(doc=263)
      0.2218061 = weight(abstract_txt:mathematical in 263) [ClassicSimilarity], result of:
        0.2218061 = score(doc=263,freq=3.0), product of:
          0.3226816 = queryWeight, product of:
            3.0726135 = boost
            6.3497796 = idf(docFreq=209, maxDocs=44218)
            0.016538939 = queryNorm
          0.6873838 = fieldWeight in 263, product of:
            1.7320508 = tf(freq=3.0), with freq of:
              3.0 = termFreq=3.0
            6.3497796 = idf(docFreq=209, maxDocs=44218)
            0.0625 = fieldNorm(doc=263)
      0.06364481 = weight(abstract_txt:classification in 263) [ClassicSimilarity], result of:
        0.06364481 = score(doc=263,freq=1.0), product of:
          0.25508463 = queryWeight, product of:
            3.863474 = boost
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.016538939 = queryNorm
          0.2495047 = fieldWeight in 263, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.0625 = fieldNorm(doc=263)
      0.4968994 = weight(abstract_txt:mathematics in 263) [ClassicSimilarity], result of:
        0.4968994 = score(doc=263,freq=4.0), product of:
          0.59512407 = queryWeight, product of:
            5.3870244 = boost
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.016538939 = queryNorm
          0.8349509 = fieldWeight in 263, product of:
            2.0 = tf(freq=4.0), with freq of:
              4.0 = termFreq=4.0
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.0625 = fieldNorm(doc=263)
    0.36 = coord(9/25)
  4. Iyer, H.; Giguere, M.: Towards designing an expert system to map mathematics classificatory structures (1995) 0.27 
    0.26781815 = sum of:
  0.26781815 = product of:
    0.8369317 = sum of:
      0.014953875 = weight(abstract_txt:knowledge in 5994) [ClassicSimilarity], result of:
        0.014953875 = score(doc=5994,freq=1.0), product of:
          0.067344844 = queryWeight, product of:
            1.1461128 = boost
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.016538939 = queryNorm
          0.2220493 = fieldWeight in 5994, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.0625 = fieldNorm(doc=5994)
      0.019887587 = weight(abstract_txt:subject in 5994) [ClassicSimilarity], result of:
        0.019887587 = score(doc=5994,freq=1.0), product of:
          0.08144353 = queryWeight, product of:
            1.2603858 = boost
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.016538939 = queryNorm
          0.24418867 = fieldWeight in 5994, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.0625 = fieldNorm(doc=5994)
      0.010560773 = weight(abstract_txt:from in 5994) [ClassicSimilarity], result of:
        0.010560773 = score(doc=5994,freq=1.0), product of:
          0.06113587 = queryWeight, product of:
            1.3374232 = boost
            2.7638826 = idf(docFreq=7577, maxDocs=44218)
            0.016538939 = queryNorm
          0.17274266 = fieldWeight in 5994, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            2.7638826 = idf(docFreq=7577, maxDocs=44218)
            0.0625 = fieldNorm(doc=5994)
      0.09516774 = weight(abstract_txt:scheme in 5994) [ClassicSimilarity], result of:
        0.09516774 = score(doc=5994,freq=3.0), product of:
          0.16035701 = queryWeight, product of:
            1.7685573 = boost
            5.4822793 = idf(docFreq=499, maxDocs=44218)
            0.016538939 = queryNorm
          0.59347415 = fieldWeight in 5994, product of:
            1.7320508 = tf(freq=3.0), with freq of:
              3.0 = termFreq=3.0
            5.4822793 = idf(docFreq=499, maxDocs=44218)
            0.0625 = fieldNorm(doc=5994)
      0.02158275 = weight(abstract_txt:library in 5994) [ClassicSimilarity], result of:
        0.02158275 = score(doc=5994,freq=1.0), product of:
          0.10836351 = queryWeight, product of:
            2.0560408 = boost
            3.1867187 = idf(docFreq=4964, maxDocs=44218)
            0.016538939 = queryNorm
          0.19916992 = fieldWeight in 5994, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.1867187 = idf(docFreq=4964, maxDocs=44218)
            0.0625 = fieldNorm(doc=5994)
      0.18110393 = weight(abstract_txt:mathematical in 5994) [ClassicSimilarity], result of:
        0.18110393 = score(doc=5994,freq=2.0), product of:
          0.3226816 = queryWeight, product of:
            3.0726135 = boost
            6.3497796 = idf(docFreq=209, maxDocs=44218)
            0.016538939 = queryNorm
          0.5612465 = fieldWeight in 5994, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            6.3497796 = idf(docFreq=209, maxDocs=44218)
            0.0625 = fieldNorm(doc=5994)
      0.14231414 = weight(abstract_txt:classification in 5994) [ClassicSimilarity], result of:
        0.14231414 = score(doc=5994,freq=5.0), product of:
          0.25508463 = queryWeight, product of:
            3.863474 = boost
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.016538939 = queryNorm
          0.5579095 = fieldWeight in 5994, product of:
            2.236068 = tf(freq=5.0), with freq of:
              5.0 = termFreq=5.0
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.0625 = fieldNorm(doc=5994)
      0.35136092 = weight(abstract_txt:mathematics in 5994) [ClassicSimilarity], result of:
        0.35136092 = score(doc=5994,freq=2.0), product of:
          0.59512407 = queryWeight, product of:
            5.3870244 = boost
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.016538939 = queryNorm
          0.59039944 = fieldWeight in 5994, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.0625 = fieldNorm(doc=5994)
    0.32 = coord(8/25)
  5. Robbio, A. de; Maguolo, D.; Marini, A.: Scientific and general subject classifications in the digital world (2001) 0.26 
    0.26265508 = sum of:
  0.26265508 = product of:
    0.7295974 = sum of:
      0.013084642 = weight(abstract_txt:knowledge in 2) [ClassicSimilarity], result of:
        0.013084642 = score(doc=2,freq=1.0), product of:
          0.067344844 = queryWeight, product of:
            1.1461128 = boost
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.016538939 = queryNorm
          0.19429314 = fieldWeight in 2, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.5527887 = idf(docFreq=3442, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2)
      0.014369908 = weight(abstract_txt:different in 2) [ClassicSimilarity], result of:
        0.014369908 = score(doc=2,freq=1.0), product of:
          0.071685694 = queryWeight, product of:
            1.1824735 = boost
            3.6655018 = idf(docFreq=3075, maxDocs=44218)
            0.016538939 = queryNorm
          0.20045713 = fieldWeight in 2, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.6655018 = idf(docFreq=3075, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2)
      0.049219266 = weight(abstract_txt:subject in 2) [ClassicSimilarity], result of:
        0.049219266 = score(doc=2,freq=8.0), product of:
          0.08144353 = queryWeight, product of:
            1.2603858 = boost
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.016538939 = queryNorm
          0.6043361 = fieldWeight in 2, product of:
            2.828427 = tf(freq=8.0), with freq of:
              8.0 = termFreq=8.0
            3.9070187 = idf(docFreq=2415, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2)
      0.01600532 = weight(abstract_txt:from in 2) [ClassicSimilarity], result of:
        0.01600532 = score(doc=2,freq=3.0), product of:
          0.06113587 = queryWeight, product of:
            1.3374232 = boost
            2.7638826 = idf(docFreq=7577, maxDocs=44218)
            0.016538939 = queryNorm
          0.2617992 = fieldWeight in 2, product of:
            1.7320508 = tf(freq=3.0), with freq of:
              3.0 = termFreq=3.0
            2.7638826 = idf(docFreq=7577, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2)
      0.03394063 = weight(abstract_txt:present in 2) [ClassicSimilarity], result of:
        0.03394063 = score(doc=2,freq=2.0), product of:
          0.10090974 = queryWeight, product of:
            1.4029485 = boost
            4.348943 = idf(docFreq=1552, maxDocs=44218)
            0.016538939 = queryNorm
          0.33634642 = fieldWeight in 2, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            4.348943 = idf(docFreq=1552, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2)
      0.111099616 = weight(abstract_txt:zentralblatt in 2) [ClassicSimilarity], result of:
        0.111099616 = score(doc=2,freq=1.0), product of:
          0.22246492 = queryWeight, product of:
            1.47296 = boost
            9.131938 = idf(docFreq=12, maxDocs=44218)
            0.016538939 = queryNorm
          0.49940285 = fieldWeight in 2, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            9.131938 = idf(docFreq=12, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2)
      0.018884908 = weight(abstract_txt:library in 2) [ClassicSimilarity], result of:
        0.018884908 = score(doc=2,freq=1.0), product of:
          0.10836351 = queryWeight, product of:
            2.0560408 = boost
            3.1867187 = idf(docFreq=4964, maxDocs=44218)
            0.016538939 = queryNorm
          0.17427368 = fieldWeight in 2, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            3.1867187 = idf(docFreq=4964, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2)
      0.09645654 = weight(abstract_txt:classification in 2) [ClassicSimilarity], result of:
        0.09645654 = score(doc=2,freq=3.0), product of:
          0.25508463 = queryWeight, product of:
            3.863474 = boost
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.016538939 = queryNorm
          0.37813544 = fieldWeight in 2, product of:
            1.7320508 = tf(freq=3.0), with freq of:
              3.0 = termFreq=3.0
            3.9920752 = idf(docFreq=2218, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2)
      0.37653655 = weight(abstract_txt:mathematics in 2) [ClassicSimilarity], result of:
        0.37653655 = score(doc=2,freq=3.0), product of:
          0.59512407 = queryWeight, product of:
            5.3870244 = boost
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.016538939 = queryNorm
          0.6327026 = fieldWeight in 2, product of:
            1.7320508 = tf(freq=3.0), with freq of:
              3.0 = termFreq=3.0
            6.6796074 = idf(docFreq=150, maxDocs=44218)
            0.0546875 = fieldNorm(doc=2)
    0.36 = coord(9/25)