Document (#10937)

Author
Schweikhardt, F.
Title
Some thoughts on hybrid systems especially for patent documentation
Source
World patent information. 11(1989) no.3, S.125-133
Year
1989
Abstract
Traces the development of hybrid systems, including their adoption into the International Patent Classification. Explains their basic principles and reviews the offices and commercial organisations which utilise them.
Field
Patentinformation

Similar documents (content)

  1. Wittmann, A.: Classifying and indexing of patent documents : a retired patent documentalist looks back (1994) 0.43
    0.42993066 = sum of:
      0.42993066 = product of:
        1.1942518 = sum of:
          0.015381271 = weight(abstract_txt:which in 2662) [ClassicSimilarity], result of:
            0.015381271 = score(doc=2662,freq=2.0), product of:
              0.03962873 = queryWeight, product of:
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.013536747 = queryNorm
              0.38813436 = fieldWeight in 2662, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.09375 = fieldNorm(doc=2662)
          0.02480019 = weight(abstract_txt:development in 2662) [ClassicSimilarity], result of:
            0.02480019 = score(doc=2662,freq=1.0), product of:
              0.06865339 = queryWeight, product of:
                1.3162122 = boost
                3.8532019 = idf(docFreq=2493, maxDocs=43254)
                0.013536747 = queryNorm
              0.36123767 = fieldWeight in 2662, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8532019 = idf(docFreq=2493, maxDocs=43254)
                0.09375 = fieldNorm(doc=2662)
          0.02770053 = weight(abstract_txt:classification in 2662) [ClassicSimilarity], result of:
            0.02770053 = score(doc=2662,freq=1.0), product of:
              0.073906735 = queryWeight, product of:
                1.3656422 = boost
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.013536747 = queryNorm
              0.37480387 = fieldWeight in 2662, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.09375 = fieldNorm(doc=2662)
          0.063362375 = weight(abstract_txt:international in 2662) [ClassicSimilarity], result of:
            0.063362375 = score(doc=2662,freq=2.0), product of:
              0.101836376 = queryWeight, product of:
                1.6030475 = boost
                4.69291 = idf(docFreq=1076, maxDocs=43254)
                0.013536747 = queryNorm
              0.62219787 = fieldWeight in 2662, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.69291 = idf(docFreq=1076, maxDocs=43254)
                0.09375 = fieldNorm(doc=2662)
          0.052648775 = weight(abstract_txt:reviews in 2662) [ClassicSimilarity], result of:
            0.052648775 = score(doc=2662,freq=1.0), product of:
              0.11340116 = queryWeight, product of:
                1.6916233 = boost
                4.952215 = idf(docFreq=830, maxDocs=43254)
                0.013536747 = queryNorm
              0.46427017 = fieldWeight in 2662, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.952215 = idf(docFreq=830, maxDocs=43254)
                0.09375 = fieldNorm(doc=2662)
          0.05346935 = weight(abstract_txt:basic in 2662) [ClassicSimilarity], result of:
            0.05346935 = score(doc=2662,freq=1.0), product of:
              0.114576414 = queryWeight, product of:
                1.7003665 = boost
                4.977811 = idf(docFreq=809, maxDocs=43254)
                0.013536747 = queryNorm
              0.46666977 = fieldWeight in 2662, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.977811 = idf(docFreq=809, maxDocs=43254)
                0.09375 = fieldNorm(doc=2662)
          0.08445477 = weight(abstract_txt:documentation in 2662) [ClassicSimilarity], result of:
            0.08445477 = score(doc=2662,freq=1.0), product of:
              0.15539657 = queryWeight, product of:
                1.98023 = boost
                5.797109 = idf(docFreq=356, maxDocs=43254)
                0.013536747 = queryNorm
              0.54347897 = fieldWeight in 2662, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.797109 = idf(docFreq=356, maxDocs=43254)
                0.09375 = fieldNorm(doc=2662)
          0.23204765 = weight(abstract_txt:offices in 2662) [ClassicSimilarity], result of:
            0.23204765 = score(doc=2662,freq=1.0), product of:
              0.30484337 = queryWeight, product of:
                2.7735326 = boost
                8.119497 = idf(docFreq=34, maxDocs=43254)
                0.013536747 = queryNorm
              0.7612029 = fieldWeight in 2662, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.119497 = idf(docFreq=34, maxDocs=43254)
                0.09375 = fieldNorm(doc=2662)
          0.64038694 = weight(abstract_txt:patent in 2662) [ClassicSimilarity], result of:
            0.64038694 = score(doc=2662,freq=5.0), product of:
              0.44191656 = queryWeight, product of:
                4.722588 = boost
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.013536747 = queryNorm
              1.4491128 = fieldWeight in 2662, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.09375 = fieldNorm(doc=2662)
        0.36 = coord(9/25)
    
  2. White, M.J.: Patents and patent searching (2009) 0.31
    0.30609652 = sum of:
      0.30609652 = product of:
        1.0932019 = sum of:
          0.009063502 = weight(abstract_txt:which in 324) [ClassicSimilarity], result of:
            0.009063502 = score(doc=324,freq=1.0), product of:
              0.03962873 = queryWeight, product of:
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.013536747 = queryNorm
              0.22871038 = fieldWeight in 324, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.078125 = fieldNorm(doc=324)
          0.018031199 = weight(abstract_txt:some in 324) [ClassicSimilarity], result of:
            0.018031199 = score(doc=324,freq=1.0), product of:
              0.06268484 = queryWeight, product of:
                1.2576975 = boost
                3.6819005 = idf(docFreq=2959, maxDocs=43254)
                0.013536747 = queryNorm
              0.28764847 = fieldWeight in 324, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6819005 = idf(docFreq=2959, maxDocs=43254)
                0.078125 = fieldNorm(doc=324)
          0.020666827 = weight(abstract_txt:development in 324) [ClassicSimilarity], result of:
            0.020666827 = score(doc=324,freq=1.0), product of:
              0.06865339 = queryWeight, product of:
                1.3162122 = boost
                3.8532019 = idf(docFreq=2493, maxDocs=43254)
                0.013536747 = queryNorm
              0.3010314 = fieldWeight in 324, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8532019 = idf(docFreq=2493, maxDocs=43254)
                0.078125 = fieldNorm(doc=324)
          0.023083776 = weight(abstract_txt:classification in 324) [ClassicSimilarity], result of:
            0.023083776 = score(doc=324,freq=1.0), product of:
              0.073906735 = queryWeight, product of:
                1.3656422 = boost
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.013536747 = queryNorm
              0.31233656 = fieldWeight in 324, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.078125 = fieldNorm(doc=324)
          0.032911476 = weight(abstract_txt:their in 324) [ClassicSimilarity], result of:
            0.032911476 = score(doc=324,freq=2.0), product of:
              0.093621954 = queryWeight, product of:
                2.1736958 = boost
                3.1817396 = idf(docFreq=4880, maxDocs=43254)
                0.013536747 = queryNorm
              0.35153586 = fieldWeight in 324, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.1817396 = idf(docFreq=4880, maxDocs=43254)
                0.078125 = fieldNorm(doc=324)
          0.2734708 = weight(abstract_txt:offices in 324) [ClassicSimilarity], result of:
            0.2734708 = score(doc=324,freq=2.0), product of:
              0.30484337 = queryWeight, product of:
                2.7735326 = boost
                8.119497 = idf(docFreq=34, maxDocs=43254)
                0.013536747 = queryNorm
              0.8970862 = fieldWeight in 324, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.119497 = idf(docFreq=34, maxDocs=43254)
                0.078125 = fieldNorm(doc=324)
          0.71597433 = weight(abstract_txt:patent in 324) [ClassicSimilarity], result of:
            0.71597433 = score(doc=324,freq=9.0), product of:
              0.44191656 = queryWeight, product of:
                4.722588 = boost
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.013536747 = queryNorm
              1.6201574 = fieldWeight in 324, product of:
                3.0 = tf(freq=9.0), with freq of:
                  9.0 = termFreq=9.0
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.078125 = fieldNorm(doc=324)
        0.28 = coord(7/25)
    
  3. Vries, S. de: Points of interest concerning the new IPC (1989) 0.30
    0.30167627 = sum of:
      0.30167627 = product of:
        1.2569845 = sum of:
          0.047978725 = weight(abstract_txt:classification in 4653) [ClassicSimilarity], result of:
            0.047978725 = score(doc=4653,freq=3.0), product of:
              0.073906735 = queryWeight, product of:
                1.3656422 = boost
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.013536747 = queryNorm
              0.64917934 = fieldWeight in 4653, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.09375 = fieldNorm(doc=4653)
          0.044803966 = weight(abstract_txt:international in 4653) [ClassicSimilarity], result of:
            0.044803966 = score(doc=4653,freq=1.0), product of:
              0.101836376 = queryWeight, product of:
                1.6030475 = boost
                4.69291 = idf(docFreq=1076, maxDocs=43254)
                0.013536747 = queryNorm
              0.43996033 = fieldWeight in 4653, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.69291 = idf(docFreq=1076, maxDocs=43254)
                0.09375 = fieldNorm(doc=4653)
          0.05973232 = weight(abstract_txt:systems in 4653) [ClassicSimilarity], result of:
            0.05973232 = score(doc=4653,freq=3.0), product of:
              0.10776254 = queryWeight, product of:
                2.332082 = boost
                3.4135768 = idf(docFreq=3870, maxDocs=43254)
                0.013536747 = queryNorm
              0.5542958 = fieldWeight in 4653, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.4135768 = idf(docFreq=3870, maxDocs=43254)
                0.09375 = fieldNorm(doc=4653)
          0.23204765 = weight(abstract_txt:offices in 4653) [ClassicSimilarity], result of:
            0.23204765 = score(doc=4653,freq=1.0), product of:
              0.30484337 = queryWeight, product of:
                2.7735326 = boost
                8.119497 = idf(docFreq=34, maxDocs=43254)
                0.013536747 = queryNorm
              0.7612029 = fieldWeight in 4653, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.119497 = idf(docFreq=34, maxDocs=43254)
                0.09375 = fieldNorm(doc=4653)
          0.4674055 = weight(abstract_txt:hybrid in 4653) [ClassicSimilarity], result of:
            0.4674055 = score(doc=4653,freq=3.0), product of:
              0.4247409 = queryWeight, product of:
                4.629904 = boost
                6.777005 = idf(docFreq=133, maxDocs=43254)
                0.013536747 = queryNorm
              1.1004485 = fieldWeight in 4653, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.777005 = idf(docFreq=133, maxDocs=43254)
                0.09375 = fieldNorm(doc=4653)
          0.40501624 = weight(abstract_txt:patent in 4653) [ClassicSimilarity], result of:
            0.40501624 = score(doc=4653,freq=2.0), product of:
              0.44191656 = queryWeight, product of:
                4.722588 = boost
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.013536747 = queryNorm
              0.9164994 = fieldWeight in 4653, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.09375 = fieldNorm(doc=4653)
        0.24 = coord(6/25)
    
  4. Nishikawa, M.: Usefulness of hybrid systems in computerised searches (1990) 0.30
    0.2975732 = sum of:
      0.2975732 = product of:
        1.2398884 = sum of:
          0.03306692 = weight(abstract_txt:development in 5132) [ClassicSimilarity], result of:
            0.03306692 = score(doc=5132,freq=1.0), product of:
              0.06865339 = queryWeight, product of:
                1.3162122 = boost
                3.8532019 = idf(docFreq=2493, maxDocs=43254)
                0.013536747 = queryNorm
              0.48165023 = fieldWeight in 5132, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8532019 = idf(docFreq=2493, maxDocs=43254)
                0.125 = fieldNorm(doc=5132)
          0.05223262 = weight(abstract_txt:classification in 5132) [ClassicSimilarity], result of:
            0.05223262 = score(doc=5132,freq=2.0), product of:
              0.073906735 = queryWeight, product of:
                1.3656422 = boost
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.013536747 = queryNorm
              0.7067369 = fieldWeight in 5132, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.125 = fieldNorm(doc=5132)
          0.05973862 = weight(abstract_txt:international in 5132) [ClassicSimilarity], result of:
            0.05973862 = score(doc=5132,freq=1.0), product of:
              0.101836376 = queryWeight, product of:
                1.6030475 = boost
                4.69291 = idf(docFreq=1076, maxDocs=43254)
                0.013536747 = queryNorm
              0.5866138 = fieldWeight in 5132, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.69291 = idf(docFreq=1076, maxDocs=43254)
                0.125 = fieldNorm(doc=5132)
          0.045981962 = weight(abstract_txt:systems in 5132) [ClassicSimilarity], result of:
            0.045981962 = score(doc=5132,freq=1.0), product of:
              0.10776254 = queryWeight, product of:
                2.332082 = boost
                3.4135768 = idf(docFreq=3870, maxDocs=43254)
                0.013536747 = queryNorm
              0.4266971 = fieldWeight in 5132, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4135768 = idf(docFreq=3870, maxDocs=43254)
                0.125 = fieldNorm(doc=5132)
          0.50884664 = weight(abstract_txt:hybrid in 5132) [ClassicSimilarity], result of:
            0.50884664 = score(doc=5132,freq=2.0), product of:
              0.4247409 = queryWeight, product of:
                4.629904 = boost
                6.777005 = idf(docFreq=133, maxDocs=43254)
                0.013536747 = queryNorm
              1.1980165 = fieldWeight in 5132, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.777005 = idf(docFreq=133, maxDocs=43254)
                0.125 = fieldNorm(doc=5132)
          0.54002166 = weight(abstract_txt:patent in 5132) [ClassicSimilarity], result of:
            0.54002166 = score(doc=5132,freq=2.0), product of:
              0.44191656 = queryWeight, product of:
                4.722588 = boost
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.013536747 = queryNorm
              1.2219992 = fieldWeight in 5132, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.125 = fieldNorm(doc=5132)
        0.24 = coord(6/25)
    
  5. Rampelmann, J.: Classification tools at the EPO (1996) 0.22
    0.223144 = sum of:
      0.223144 = product of:
        0.79694283 = sum of:
          0.009063502 = weight(abstract_txt:which in 4656) [ClassicSimilarity], result of:
            0.009063502 = score(doc=4656,freq=1.0), product of:
              0.03962873 = queryWeight, product of:
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.013536747 = queryNorm
              0.22871038 = fieldWeight in 4656, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.078125 = fieldNorm(doc=4656)
          0.020666827 = weight(abstract_txt:development in 4656) [ClassicSimilarity], result of:
            0.020666827 = score(doc=4656,freq=1.0), product of:
              0.06865339 = queryWeight, product of:
                1.3162122 = boost
                3.8532019 = idf(docFreq=2493, maxDocs=43254)
                0.013536747 = queryNorm
              0.3010314 = fieldWeight in 4656, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.8532019 = idf(docFreq=2493, maxDocs=43254)
                0.078125 = fieldNorm(doc=4656)
          0.046167552 = weight(abstract_txt:classification in 4656) [ClassicSimilarity], result of:
            0.046167552 = score(doc=4656,freq=4.0), product of:
              0.073906735 = queryWeight, product of:
                1.3656422 = boost
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.013536747 = queryNorm
              0.6246731 = fieldWeight in 4656, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.9979079 = idf(docFreq=2157, maxDocs=43254)
                0.078125 = fieldNorm(doc=4656)
          0.037336636 = weight(abstract_txt:international in 4656) [ClassicSimilarity], result of:
            0.037336636 = score(doc=4656,freq=1.0), product of:
              0.101836376 = queryWeight, product of:
                1.6030475 = boost
                4.69291 = idf(docFreq=1076, maxDocs=43254)
                0.013536747 = queryNorm
              0.3666336 = fieldWeight in 4656, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.69291 = idf(docFreq=1076, maxDocs=43254)
                0.078125 = fieldNorm(doc=4656)
          0.070378974 = weight(abstract_txt:documentation in 4656) [ClassicSimilarity], result of:
            0.070378974 = score(doc=4656,freq=1.0), product of:
              0.15539657 = queryWeight, product of:
                1.98023 = boost
                5.797109 = idf(docFreq=356, maxDocs=43254)
                0.013536747 = queryNorm
              0.45289916 = fieldWeight in 4656, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.797109 = idf(docFreq=356, maxDocs=43254)
                0.078125 = fieldNorm(doc=4656)
          0.028738728 = weight(abstract_txt:systems in 4656) [ClassicSimilarity], result of:
            0.028738728 = score(doc=4656,freq=1.0), product of:
              0.10776254 = queryWeight, product of:
                2.332082 = boost
                3.4135768 = idf(docFreq=3870, maxDocs=43254)
                0.013536747 = queryNorm
              0.2666857 = fieldWeight in 4656, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4135768 = idf(docFreq=3870, maxDocs=43254)
                0.078125 = fieldNorm(doc=4656)
          0.5845906 = weight(abstract_txt:patent in 4656) [ClassicSimilarity], result of:
            0.5845906 = score(doc=4656,freq=6.0), product of:
              0.44191656 = queryWeight, product of:
                4.722588 = boost
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.013536747 = queryNorm
              1.322853 = fieldWeight in 4656, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                6.912671 = idf(docFreq=116, maxDocs=43254)
                0.078125 = fieldNorm(doc=4656)
        0.28 = coord(7/25)