Document (#7322)

Author
Ingwersen, P.
Wormell, I.
Title
Modern indexing and retrieval techniques matching different types of information needs
Source
International forum on information and documentation. 14(1989), S.17-22
Year
1989
Theme
Kataloganreicherung
Object
SAP

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.: Ranganathan in the perspective of advanced information retrieval (1992) 6.05
    6.0472174 = sum of:
      6.0472174 = sum of:
        2.689379 = weight(author_txt:ingwersen in 764) [ClassicSimilarity], result of:
          2.689379 = score(doc=764,freq=1.0), product of:
            0.65310013 = queryWeight, product of:
              8.235732 = idf(docFreq=31, maxDocs=44421)
              0.0793008 = queryNorm
            4.117866 = fieldWeight in 764, 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=764)
        3.3578386 = weight(author_txt:wormell in 764) [ClassicSimilarity], result of:
          3.3578386 = score(doc=764,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 764, 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=764)
    
  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. Billhardt, H.; Borrajo, D.; Maojo, V.: ¬A context vector model for information retrieval (2002) 0.58
    0.5793716 = sum of:
      0.5793716 = product of:
        0.7449063 = sum of:
          0.018914176 = weight(abstract_txt:information in 1251) [ClassicSimilarity], result of:
            0.018914176 = score(doc=1251,freq=2.0), product of:
              0.08846563 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.036572676 = queryNorm
              0.21380253 = fieldWeight in 1251, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.0625 = fieldNorm(doc=1251)
          0.068771146 = weight(abstract_txt:retrieval in 1251) [ClassicSimilarity], result of:
            0.068771146 = score(doc=1251,freq=3.0), product of:
              0.1827357 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.036572676 = queryNorm
              0.37634215 = fieldWeight in 1251, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.0625 = fieldNorm(doc=1251)
          0.046319842 = weight(abstract_txt:different in 1251) [ClassicSimilarity], result of:
            0.046319842 = score(doc=1251,freq=1.0), product of:
              0.2025059 = queryWeight, product of:
                1.5129743 = boost
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.036572676 = queryNorm
              0.2287333 = fieldWeight in 1251, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.0625 = fieldNorm(doc=1251)
          0.07779996 = weight(abstract_txt:indexing in 1251) [ClassicSimilarity], result of:
            0.07779996 = score(doc=1251,freq=1.0), product of:
              0.2861404 = queryWeight, product of:
                1.7984663 = boost
                4.3503094 = idf(docFreq=1557, maxDocs=44421)
                0.036572676 = queryNorm
              0.27189434 = fieldWeight in 1251, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3503094 = idf(docFreq=1557, maxDocs=44421)
                0.0625 = fieldNorm(doc=1251)
          0.08412417 = weight(abstract_txt:types in 1251) [ClassicSimilarity], result of:
            0.08412417 = score(doc=1251,freq=1.0), product of:
              0.3014441 = queryWeight, product of:
                1.8459338 = boost
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.036572676 = queryNorm
              0.27907053 = fieldWeight in 1251, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.0625 = fieldNorm(doc=1251)
          0.08796752 = weight(abstract_txt:techniques in 1251) [ClassicSimilarity], result of:
            0.08796752 = score(doc=1251,freq=1.0), product of:
              0.31055692 = queryWeight, product of:
                1.8736278 = boost
                4.5321174 = idf(docFreq=1298, maxDocs=44421)
                0.036572676 = queryNorm
              0.28325734 = fieldWeight in 1251, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.5321174 = idf(docFreq=1298, maxDocs=44421)
                0.0625 = fieldNorm(doc=1251)
          0.3610095 = weight(abstract_txt:matching in 1251) [ClassicSimilarity], result of:
            0.3610095 = score(doc=1251,freq=3.0), product of:
              0.5519482 = queryWeight, product of:
                2.4978242 = boost
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.036572676 = queryNorm
              0.6540641 = fieldWeight in 1251, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.0625 = fieldNorm(doc=1251)
        0.7777778 = coord(7/9)
    
  2. Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997) 0.54
    0.5372999 = sum of:
      0.5372999 = product of:
        0.69081414 = sum of:
          0.018914176 = weight(abstract_txt:information in 5532) [ClassicSimilarity], result of:
            0.018914176 = score(doc=5532,freq=2.0), product of:
              0.08846563 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.036572676 = queryNorm
              0.21380253 = fieldWeight in 5532, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.0625 = fieldNorm(doc=5532)
          0.07941008 = weight(abstract_txt:retrieval in 5532) [ClassicSimilarity], result of:
            0.07941008 = score(doc=5532,freq=4.0), product of:
              0.1827357 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.036572676 = queryNorm
              0.4345625 = fieldWeight in 5532, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.0625 = fieldNorm(doc=5532)
          0.06550615 = weight(abstract_txt:different in 5532) [ClassicSimilarity], result of:
            0.06550615 = score(doc=5532,freq=2.0), product of:
              0.2025059 = queryWeight, product of:
                1.5129743 = boost
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.036572676 = queryNorm
              0.32347775 = fieldWeight in 5532, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.0625 = fieldNorm(doc=5532)
          0.110025756 = weight(abstract_txt:indexing in 5532) [ClassicSimilarity], result of:
            0.110025756 = score(doc=5532,freq=2.0), product of:
              0.2861404 = queryWeight, product of:
                1.7984663 = boost
                4.3503094 = idf(docFreq=1557, maxDocs=44421)
                0.036572676 = queryNorm
              0.38451666 = fieldWeight in 5532, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.3503094 = idf(docFreq=1557, maxDocs=44421)
                0.0625 = fieldNorm(doc=5532)
          0.08412417 = weight(abstract_txt:types in 5532) [ClassicSimilarity], result of:
            0.08412417 = score(doc=5532,freq=1.0), product of:
              0.3014441 = queryWeight, product of:
                1.8459338 = boost
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.036572676 = queryNorm
              0.27907053 = fieldWeight in 5532, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.0625 = fieldNorm(doc=5532)
          0.12440487 = weight(abstract_txt:techniques in 5532) [ClassicSimilarity], result of:
            0.12440487 = score(doc=5532,freq=2.0), product of:
              0.31055692 = queryWeight, product of:
                1.8736278 = boost
                4.5321174 = idf(docFreq=1298, maxDocs=44421)
                0.036572676 = queryNorm
              0.40058637 = fieldWeight in 5532, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.5321174 = idf(docFreq=1298, maxDocs=44421)
                0.0625 = fieldNorm(doc=5532)
          0.20842893 = weight(abstract_txt:matching in 5532) [ClassicSimilarity], result of:
            0.20842893 = score(doc=5532,freq=1.0), product of:
              0.5519482 = queryWeight, product of:
                2.4978242 = boost
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.036572676 = queryNorm
              0.3776241 = fieldWeight in 5532, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.0625 = fieldNorm(doc=5532)
        0.7777778 = coord(7/9)
    
  3. Longshu, L.; Xia, Z.: On an aproximate fuzzy information retrieval agent (1998) 0.49
    0.49120972 = sum of:
      0.49120972 = product of:
        1.1052219 = sum of:
          0.033435855 = weight(abstract_txt:information in 4294) [ClassicSimilarity], result of:
            0.033435855 = score(doc=4294,freq=1.0), product of:
              0.08846563 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.036572676 = queryNorm
              0.37795305 = fieldWeight in 4294, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.15625 = fieldNorm(doc=4294)
          0.14037852 = weight(abstract_txt:retrieval in 4294) [ClassicSimilarity], result of:
            0.14037852 = score(doc=4294,freq=2.0), product of:
              0.1827357 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.036572676 = queryNorm
              0.7682052 = fieldWeight in 4294, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.15625 = fieldNorm(doc=4294)
          0.1944999 = weight(abstract_txt:indexing in 4294) [ClassicSimilarity], result of:
            0.1944999 = score(doc=4294,freq=1.0), product of:
              0.2861404 = queryWeight, product of:
                1.7984663 = boost
                4.3503094 = idf(docFreq=1557, maxDocs=44421)
                0.036572676 = queryNorm
              0.67973584 = fieldWeight in 4294, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3503094 = idf(docFreq=1557, maxDocs=44421)
                0.15625 = fieldNorm(doc=4294)
          0.7369076 = weight(abstract_txt:matching in 4294) [ClassicSimilarity], result of:
            0.7369076 = score(doc=4294,freq=2.0), product of:
              0.5519482 = queryWeight, product of:
                2.4978242 = boost
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.036572676 = queryNorm
              1.3351028 = fieldWeight in 4294, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.15625 = fieldNorm(doc=4294)
        0.44444445 = coord(4/9)
    
  4. ¬The Fourth Text Retrieval Conference (TREC-4) (1996) 0.49
    0.48743814 = sum of:
      0.48743814 = product of:
        0.8773886 = sum of:
          0.033099808 = weight(abstract_txt:information in 590) [ClassicSimilarity], result of:
            0.033099808 = score(doc=590,freq=2.0), product of:
              0.08846563 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.036572676 = 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)
          0.09826497 = weight(abstract_txt:retrieval in 590) [ClassicSimilarity], result of:
            0.09826497 = score(doc=590,freq=2.0), product of:
              0.1827357 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.036572676 = 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)
          0.114635766 = weight(abstract_txt:different in 590) [ClassicSimilarity], result of:
            0.114635766 = score(doc=590,freq=2.0), product of:
              0.2025059 = queryWeight, product of:
                1.5129743 = boost
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.036572676 = queryNorm
              0.56608605 = fieldWeight in 590, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.109375 = fieldNorm(doc=590)
          0.26663738 = weight(abstract_txt:techniques in 590) [ClassicSimilarity], result of:
            0.26663738 = score(doc=590,freq=3.0), product of:
              0.31055692 = queryWeight, product of:
                1.8736278 = boost
                4.5321174 = idf(docFreq=1298, maxDocs=44421)
                0.036572676 = queryNorm
              0.85857815 = fieldWeight in 590, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.5321174 = idf(docFreq=1298, maxDocs=44421)
                0.109375 = fieldNorm(doc=590)
          0.36475065 = weight(abstract_txt:matching in 590) [ClassicSimilarity], result of:
            0.36475065 = score(doc=590,freq=1.0), product of:
              0.5519482 = queryWeight, product of:
                2.4978242 = boost
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.036572676 = queryNorm
              0.6608422 = fieldWeight in 590, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.109375 = fieldNorm(doc=590)
        0.5555556 = coord(5/9)
    
  5. ¬The Fifth Text Retrieval Conference (TREC-5) (1997) 0.49
    0.48743814 = sum of:
      0.48743814 = product of:
        0.8773886 = sum of:
          0.033099808 = weight(abstract_txt:information in 4087) [ClassicSimilarity], result of:
            0.033099808 = score(doc=4087,freq=2.0), product of:
              0.08846563 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.036572676 = queryNorm
              0.37415442 = fieldWeight in 4087, 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=4087)
          0.09826497 = weight(abstract_txt:retrieval in 4087) [ClassicSimilarity], result of:
            0.09826497 = score(doc=4087,freq=2.0), product of:
              0.1827357 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.036572676 = queryNorm
              0.5377437 = fieldWeight in 4087, 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=4087)
          0.114635766 = weight(abstract_txt:different in 4087) [ClassicSimilarity], result of:
            0.114635766 = score(doc=4087,freq=2.0), product of:
              0.2025059 = queryWeight, product of:
                1.5129743 = boost
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.036572676 = queryNorm
              0.56608605 = fieldWeight in 4087, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6597328 = idf(docFreq=3107, maxDocs=44421)
                0.109375 = fieldNorm(doc=4087)
          0.26663738 = weight(abstract_txt:techniques in 4087) [ClassicSimilarity], result of:
            0.26663738 = score(doc=4087,freq=3.0), product of:
              0.31055692 = queryWeight, product of:
                1.8736278 = boost
                4.5321174 = idf(docFreq=1298, maxDocs=44421)
                0.036572676 = queryNorm
              0.85857815 = fieldWeight in 4087, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.5321174 = idf(docFreq=1298, maxDocs=44421)
                0.109375 = fieldNorm(doc=4087)
          0.36475065 = weight(abstract_txt:matching in 4087) [ClassicSimilarity], result of:
            0.36475065 = score(doc=4087,freq=1.0), product of:
              0.5519482 = queryWeight, product of:
                2.4978242 = boost
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.036572676 = queryNorm
              0.6608422 = fieldWeight in 4087, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0419855 = idf(docFreq=286, maxDocs=44421)
                0.109375 = fieldNorm(doc=4087)
        0.5555556 = coord(5/9)