Document (#16765)

Author

Ingwersen, P.
Wormell, I.

Title

Ranganathan in the perspective of advanced information retrieval

Source

Libri. 42(1992) no.3, S.184-201

Year

1992

Abstract

Examnines Ranganathan's approach to knowledge organisation and its relevance to intellectual accessibility in libraries. Discusses the current and future developments of his methodology and theories in knowledge-based systems. Topics covered include: semi-automatic classification and structure of thesauri; user-intermediary interactions in information retrieval (IR); semantic value-theory and uncertainty principles in IR; and case grammar

Theme

Automatisches Klassifizieren

Similar documents (author)

1. Ingwersen, P.; Wormell, I.: Means to improve subject access and representation in modern information retrieval (1988) 6.05

   6.0472174 = sum of:
     6.0472174 = sum of:
       2.689379 = weight(author_txt:ingwersen in 4429) [ClassicSimilarity], result of:
         2.689379 = score(doc=4429,freq=1.0), product of:
           0.65310013 = queryWeight, product of:
             8.235732 = idf(docFreq=31, maxDocs=44421)
             0.0793008 = queryNorm
           4.117866 = fieldWeight in 4429, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             8.235732 = idf(docFreq=31, maxDocs=44421)
             0.5 = fieldNorm(doc=4429)
       3.3578386 = weight(author_txt:wormell in 4429) [ClassicSimilarity], result of:
         3.3578386 = score(doc=4429,freq=1.0), product of:
           0.7572716 = queryWeight, product of:
             1.0768023 = boost
             8.868255 = idf(docFreq=16, maxDocs=44421)
             0.0793008 = queryNorm
           4.4341273 = fieldWeight in 4429, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             8.868255 = idf(docFreq=16, maxDocs=44421)
             0.5 = fieldNorm(doc=4429)
   

2. Ingwersen, P.; Wormell, I.: Modern indexing and retrieval techniques matching different types of information needs (1989) 6.05

   6.0472174 = sum of:
     6.0472174 = sum of:
       2.689379 = weight(author_txt:ingwersen in 7321) [ClassicSimilarity], result of:
         2.689379 = score(doc=7321,freq=1.0), product of:
           0.65310013 = queryWeight, product of:
             8.235732 = idf(docFreq=31, maxDocs=44421)
             0.0793008 = queryNorm
           4.117866 = fieldWeight in 7321, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             8.235732 = idf(docFreq=31, maxDocs=44421)
             0.5 = fieldNorm(doc=7321)
       3.3578386 = weight(author_txt:wormell in 7321) [ClassicSimilarity], result of:
         3.3578386 = score(doc=7321,freq=1.0), product of:
           0.7572716 = queryWeight, product of:
             1.0768023 = boost
             8.868255 = idf(docFreq=16, maxDocs=44421)
             0.0793008 = queryNorm
           4.4341273 = fieldWeight in 7321, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             8.868255 = idf(docFreq=16, maxDocs=44421)
             0.5 = fieldNorm(doc=7321)
   

3. Wormell, I.: SAP: a new way to produce subject description of books (1981) 2.10

   2.0986493 = sum of:
     2.0986493 = product of:
       4.1972985 = sum of:
         4.1972985 = weight(author_txt:wormell in 388) [ClassicSimilarity], result of:
           4.1972985 = score(doc=388,freq=1.0), product of:
             0.7572716 = queryWeight, product of:
               1.0768023 = boost
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.0793008 = queryNorm
             5.5426593 = fieldWeight in 388, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.625 = fieldNorm(doc=388)
       0.5 = coord(1/2)
   

4. Wormell, I.: Factual data retrieval according to SAP-technique (1983) 2.10

   2.0986493 = sum of:
     2.0986493 = product of:
       4.1972985 = sum of:
         4.1972985 = weight(author_txt:wormell in 844) [ClassicSimilarity], result of:
           4.1972985 = score(doc=844,freq=1.0), product of:
             0.7572716 = queryWeight, product of:
               1.0768023 = boost
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.0793008 = queryNorm
             5.5426593 = fieldWeight in 844, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.625 = fieldNorm(doc=844)
       0.5 = coord(1/2)
   

5. Wormell, I.: Subject access project - SAP : Improved subject retrieval for monographic publications (1985) 2.10

   2.0986493 = sum of:
     2.0986493 = product of:
       4.1972985 = sum of:
         4.1972985 = weight(author_txt:wormell in 1287) [ClassicSimilarity], result of:
           4.1972985 = score(doc=1287,freq=1.0), product of:
             0.7572716 = queryWeight, product of:
               1.0768023 = boost
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.0793008 = queryNorm
             5.5426593 = fieldWeight in 1287, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.625 = fieldNorm(doc=1287)
       0.5 = coord(1/2)
   

Similar documents (content)

1. Kashyap, M.M.: Likeness between Ranganathan's postulations based approach to knowledge classification and entity relationship data modelling approach (2003) 0.16

   0.16334918 = sum of:
     0.16334918 = product of:
       0.58338994 = sum of:
         0.015641155 = weight(abstract_txt:information in 3045) [ClassicSimilarity], result of:
           0.015641155 = score(doc=3045,freq=2.0), product of:
             0.05852561 = queryWeight, product of:
               1.006025 = boost
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.024050238 = queryNorm
             0.26725316 = fieldWeight in 3045, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.078125 = fieldNorm(doc=3045)
         0.053649522 = weight(abstract_txt:principles in 3045) [ClassicSimilarity], result of:
           0.053649522 = score(doc=3045,freq=1.0), product of:
             0.13310999 = queryWeight, product of:
               1.0728182 = boost
               5.1589956 = idf(docFreq=693, maxDocs=44421)
               0.024050238 = queryNorm
             0.40304655 = fieldWeight in 3045, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.1589956 = idf(docFreq=693, maxDocs=44421)
               0.078125 = fieldNorm(doc=3045)
         0.11224514 = weight(abstract_txt:organisation in 3045) [ClassicSimilarity], result of:
           0.11224514 = score(doc=3045,freq=2.0), product of:
             0.1728231 = queryWeight, product of:
               1.2224234 = boost
               5.878422 = idf(docFreq=337, maxDocs=44421)
               0.024050238 = queryNorm
             0.64948 = fieldWeight in 3045, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.878422 = idf(docFreq=337, maxDocs=44421)
               0.078125 = fieldNorm(doc=3045)
         0.12730932 = weight(abstract_txt:ranganathan in 3045) [ClassicSimilarity], result of:
           0.12730932 = score(doc=3045,freq=1.0), product of:
             0.23681372 = queryWeight, product of:
               1.4309492 = boost
               6.881186 = idf(docFreq=123, maxDocs=44421)
               0.024050238 = queryNorm
             0.53759265 = fieldWeight in 3045, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.881186 = idf(docFreq=123, maxDocs=44421)
               0.078125 = fieldNorm(doc=3045)
         0.032834243 = weight(abstract_txt:retrieval in 3045) [ClassicSimilarity], result of:
           0.032834243 = score(doc=3045,freq=1.0), product of:
             0.12089122 = queryWeight, product of:
               1.445883 = boost
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.024050238 = queryNorm
             0.27160156 = fieldWeight in 3045, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.078125 = fieldNorm(doc=3045)
         0.06970931 = weight(abstract_txt:knowledge in 3045) [ClassicSimilarity], result of:
           0.06970931 = score(doc=3045,freq=4.0), product of:
             0.12580095 = queryWeight, product of:
               1.4749515 = boost
               3.5463927 = idf(docFreq=3480, maxDocs=44421)
               0.024050238 = queryNorm
             0.5541239 = fieldWeight in 3045, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               3.5463927 = idf(docFreq=3480, maxDocs=44421)
               0.078125 = fieldNorm(doc=3045)
         0.17200127 = weight(abstract_txt:ranganathan's in 3045) [ClassicSimilarity], result of:
           0.17200127 = score(doc=3045,freq=1.0), product of:
             0.28941512 = queryWeight, product of:
               1.5819086 = boost
               7.607123 = idf(docFreq=59, maxDocs=44421)
               0.024050238 = queryNorm
             0.59430647 = fieldWeight in 3045, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.607123 = idf(docFreq=59, maxDocs=44421)
               0.078125 = fieldNorm(doc=3045)
       0.28 = coord(7/25)
   

2. Smeaton, A.F.: Progress in the application of natural language processing to information retrieval tasks (1992) 0.16

   0.16256405 = sum of:
     0.16256405 = product of:
       0.81282026 = sum of:
         0.18600503 = weight(abstract_txt:automatic in 7079) [ClassicSimilarity], result of:
           0.18600503 = score(doc=7079,freq=2.0), product of:
             0.13500993 = queryWeight, product of:
               1.0804474 = boost
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.024050238 = queryNorm
             1.3777137 = fieldWeight in 7079, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.1875 = fieldNorm(doc=7079)
         0.1361398 = weight(abstract_txt:developments in 7079) [ClassicSimilarity], result of:
           0.1361398 = score(doc=7079,freq=1.0), product of:
             0.1381495 = queryWeight, product of:
               1.0929378 = boost
               5.255748 = idf(docFreq=629, maxDocs=44421)
               0.024050238 = queryNorm
             0.9854527 = fieldWeight in 7079, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.255748 = idf(docFreq=629, maxDocs=44421)
               0.1875 = fieldNorm(doc=7079)
         0.15064675 = weight(abstract_txt:thesauri in 7079) [ClassicSimilarity], result of:
           0.15064675 = score(doc=7079,freq=1.0), product of:
             0.14779705 = queryWeight, product of:
               1.130456 = boost
               5.4361663 = idf(docFreq=525, maxDocs=44421)
               0.024050238 = queryNorm
             1.0192811 = fieldWeight in 7079, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.4361663 = idf(docFreq=525, maxDocs=44421)
               0.1875 = fieldNorm(doc=7079)
         0.26122656 = weight(abstract_txt:semi in 7079) [ClassicSimilarity], result of:
           0.26122656 = score(doc=7079,freq=1.0), product of:
             0.2133229 = queryWeight, product of:
               1.3581243 = boost
               6.5309834 = idf(docFreq=175, maxDocs=44421)
               0.024050238 = queryNorm
             1.2245594 = fieldWeight in 7079, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.5309834 = idf(docFreq=175, maxDocs=44421)
               0.1875 = fieldNorm(doc=7079)
         0.07880219 = weight(abstract_txt:retrieval in 7079) [ClassicSimilarity], result of:
           0.07880219 = score(doc=7079,freq=1.0), product of:
             0.12089122 = queryWeight, product of:
               1.445883 = boost
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.024050238 = queryNorm
             0.6518438 = fieldWeight in 7079, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.1875 = fieldNorm(doc=7079)
       0.2 = coord(5/25)
   

3. Grimaldi, T.: ¬L'indicizzazione dal punto di vista cognitivo (II) (1996) 0.15

   0.1450542 = sum of:
     0.1450542 = product of:
       0.6043925 = sum of:
         0.015483953 = weight(abstract_txt:information in 992) [ClassicSimilarity], result of:
           0.015483953 = score(doc=992,freq=1.0), product of:
             0.05852561 = queryWeight, product of:
               1.006025 = boost
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.024050238 = queryNorm
             0.26456714 = fieldWeight in 992, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.109375 = fieldNorm(doc=992)
         0.075109325 = weight(abstract_txt:principles in 992) [ClassicSimilarity], result of:
           0.075109325 = score(doc=992,freq=1.0), product of:
             0.13310999 = queryWeight, product of:
               1.0728182 = boost
               5.1589956 = idf(docFreq=693, maxDocs=44421)
               0.024050238 = queryNorm
             0.56426513 = fieldWeight in 992, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.1589956 = idf(docFreq=693, maxDocs=44421)
               0.109375 = fieldNorm(doc=992)
         0.17823304 = weight(abstract_txt:ranganathan in 992) [ClassicSimilarity], result of:
           0.17823304 = score(doc=992,freq=1.0), product of:
             0.23681372 = queryWeight, product of:
               1.4309492 = boost
               6.881186 = idf(docFreq=123, maxDocs=44421)
               0.024050238 = queryNorm
             0.7526297 = fieldWeight in 992, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.881186 = idf(docFreq=123, maxDocs=44421)
               0.109375 = fieldNorm(doc=992)
         0.045967944 = weight(abstract_txt:retrieval in 992) [ClassicSimilarity], result of:
           0.045967944 = score(doc=992,freq=1.0), product of:
             0.12089122 = queryWeight, product of:
               1.445883 = boost
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.024050238 = queryNorm
             0.3802422 = fieldWeight in 992, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.109375 = fieldNorm(doc=992)
         0.048796516 = weight(abstract_txt:knowledge in 992) [ClassicSimilarity], result of:
           0.048796516 = score(doc=992,freq=1.0), product of:
             0.12580095 = queryWeight, product of:
               1.4749515 = boost
               3.5463927 = idf(docFreq=3480, maxDocs=44421)
               0.024050238 = queryNorm
             0.3878867 = fieldWeight in 992, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.5463927 = idf(docFreq=3480, maxDocs=44421)
               0.109375 = fieldNorm(doc=992)
         0.24080178 = weight(abstract_txt:ranganathan's in 992) [ClassicSimilarity], result of:
           0.24080178 = score(doc=992,freq=1.0), product of:
             0.28941512 = queryWeight, product of:
               1.5819086 = boost
               7.607123 = idf(docFreq=59, maxDocs=44421)
               0.024050238 = queryNorm
             0.83202904 = fieldWeight in 992, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.607123 = idf(docFreq=59, maxDocs=44421)
               0.109375 = fieldNorm(doc=992)
       0.24 = coord(6/25)
   

4. Pandey, R.C.: Information retrieval systems : a linguistic approach (1997) 0.14

   0.13817489 = sum of:
     0.13817489 = product of:
       0.69087446 = sum of:
         0.030967906 = weight(abstract_txt:information in 133) [ClassicSimilarity], result of:
           0.030967906 = score(doc=133,freq=4.0), product of:
             0.05852561 = queryWeight, product of:
               1.006025 = boost
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.024050238 = queryNorm
             0.5291343 = fieldWeight in 133, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.109375 = fieldNorm(doc=133)
         0.075109325 = weight(abstract_txt:principles in 133) [ClassicSimilarity], result of:
           0.075109325 = score(doc=133,freq=1.0), product of:
             0.13310999 = queryWeight, product of:
               1.0728182 = boost
               5.1589956 = idf(docFreq=693, maxDocs=44421)
               0.024050238 = queryNorm
             0.56426513 = fieldWeight in 133, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.1589956 = idf(docFreq=693, maxDocs=44421)
               0.109375 = fieldNorm(doc=133)
         0.25205958 = weight(abstract_txt:ranganathan in 133) [ClassicSimilarity], result of:
           0.25205958 = score(doc=133,freq=2.0), product of:
             0.23681372 = queryWeight, product of:
               1.4309492 = boost
               6.881186 = idf(docFreq=123, maxDocs=44421)
               0.024050238 = queryNorm
             1.0643791 = fieldWeight in 133, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               6.881186 = idf(docFreq=123, maxDocs=44421)
               0.109375 = fieldNorm(doc=133)
         0.09193589 = weight(abstract_txt:retrieval in 133) [ClassicSimilarity], result of:
           0.09193589 = score(doc=133,freq=4.0), product of:
             0.12089122 = queryWeight, product of:
               1.445883 = boost
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.024050238 = queryNorm
             0.7604844 = fieldWeight in 133, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.109375 = fieldNorm(doc=133)
         0.24080178 = weight(abstract_txt:ranganathan's in 133) [ClassicSimilarity], result of:
           0.24080178 = score(doc=133,freq=1.0), product of:
             0.28941512 = queryWeight, product of:
               1.5819086 = boost
               7.607123 = idf(docFreq=59, maxDocs=44421)
               0.024050238 = queryNorm
             0.83202904 = fieldWeight in 133, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.607123 = idf(docFreq=59, maxDocs=44421)
               0.109375 = fieldNorm(doc=133)
       0.2 = coord(5/25)
   

5. ¬The Fourth Text Retrieval Conference (TREC-4) (1996) 0.14

   0.13668168 = sum of:
     0.13668168 = product of:
       0.48814884 = sum of:
         0.060829684 = weight(abstract_txt:include in 590) [ClassicSimilarity], result of:
           0.060829684 = score(doc=590,freq=1.0), product of:
             0.11565341 = queryWeight, product of:
               4.808826 = idf(docFreq=984, maxDocs=44421)
               0.024050238 = queryNorm
             0.52596533 = fieldWeight in 590, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.808826 = idf(docFreq=984, maxDocs=44421)
               0.109375 = fieldNorm(doc=590)
         0.021897616 = weight(abstract_txt:information in 590) [ClassicSimilarity], result of:
           0.021897616 = score(doc=590,freq=2.0), product of:
             0.05852561 = queryWeight, product of:
               1.006025 = boost
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.024050238 = queryNorm
             0.37415442 = fieldWeight in 590, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.4188995 = idf(docFreq=10748, maxDocs=44421)
               0.109375 = fieldNorm(doc=590)
         0.06552628 = weight(abstract_txt:relevance in 590) [ClassicSimilarity], result of:
           0.06552628 = score(doc=590,freq=1.0), product of:
             0.1215323 = queryWeight, product of:
               1.025101 = boost
               4.929532 = idf(docFreq=872, maxDocs=44421)
               0.024050238 = queryNorm
             0.5391676 = fieldWeight in 590, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.929532 = idf(docFreq=872, maxDocs=44421)
               0.109375 = fieldNorm(doc=590)
         0.07672316 = weight(abstract_txt:automatic in 590) [ClassicSimilarity], result of:
           0.07672316 = score(doc=590,freq=1.0), product of:
             0.13500993 = queryWeight, product of:
               1.0804474 = boost
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.024050238 = queryNorm
             0.5682779 = fieldWeight in 590, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.109375 = fieldNorm(doc=590)
         0.08787727 = weight(abstract_txt:thesauri in 590) [ClassicSimilarity], result of:
           0.08787727 = score(doc=590,freq=1.0), product of:
             0.14779705 = queryWeight, product of:
               1.130456 = boost
               5.4361663 = idf(docFreq=525, maxDocs=44421)
               0.024050238 = queryNorm
             0.5945807 = fieldWeight in 590, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.4361663 = idf(docFreq=525, maxDocs=44421)
               0.109375 = fieldNorm(doc=590)
         0.11028637 = weight(abstract_txt:advanced in 590) [ClassicSimilarity], result of:
           0.11028637 = score(doc=590,freq=1.0), product of:
             0.17196074 = queryWeight, product of:
               1.2193698 = boost
               5.863737 = idf(docFreq=342, maxDocs=44421)
               0.024050238 = queryNorm
             0.6413462 = fieldWeight in 590, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.863737 = idf(docFreq=342, maxDocs=44421)
               0.109375 = fieldNorm(doc=590)
         0.06500849 = weight(abstract_txt:retrieval in 590) [ClassicSimilarity], result of:
           0.06500849 = score(doc=590,freq=2.0), product of:
             0.12089122 = queryWeight, product of:
               1.445883 = boost
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.024050238 = queryNorm
             0.5377437 = fieldWeight in 590, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.4765 = idf(docFreq=3732, maxDocs=44421)
               0.109375 = fieldNorm(doc=590)
       0.28 = coord(7/25)