Document (#5114)

Author
Radecki, T.
Title
Trends in research on information retrieval : the potential for improvements in conventional Boolean retrieval systems
Source
Information processing and management. 24(1988), S.219-227
Year
1988

Similar documents (author)

  1. Radecki, T.: Mathematical model of information retrieval systems based on the concept of fuzzy thesaurus (1976) 6.19
    6.1935673 = sum of:
      6.1935673 = weight(author_txt:radecki in 5477) [ClassicSimilarity], result of:
        6.1935673 = fieldWeight in 5477, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.909708 = idf(docFreq=5, maxDocs=44421)
          0.625 = fieldNorm(doc=5477)
    
  2. Radecki, T.: Mathematical model and time effective information retrieval systems based on the theory of fuzzy sets (1977) 6.19
    6.1935673 = sum of:
      6.1935673 = weight(author_txt:radecki in 5478) [ClassicSimilarity], result of:
        6.1935673 = fieldWeight in 5478, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.909708 = idf(docFreq=5, maxDocs=44421)
          0.625 = fieldNorm(doc=5478)
    
  3. Radecki, T.: Fuzzy set theoretical approach to document retrieval (1979) 6.19
    6.1935673 = sum of:
      6.1935673 = weight(author_txt:radecki in 143) [ClassicSimilarity], result of:
        6.1935673 = fieldWeight in 143, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.909708 = idf(docFreq=5, maxDocs=44421)
          0.625 = fieldNorm(doc=143)
    
  4. Radecki, T.: Reducing the perils of merging Boolean and weighted retrieval (1982) 6.19
    6.1935673 = sum of:
      6.1935673 = weight(author_txt:radecki in 1790) [ClassicSimilarity], result of:
        6.1935673 = fieldWeight in 1790, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.909708 = idf(docFreq=5, maxDocs=44421)
          0.625 = fieldNorm(doc=1790)
    

Similar documents (content)

  1. Tombros, A.; Villa, R.; Rijsbergen, C.J. Van: ¬The effectiveness of query-specific hierarchic clustering in information retrieval (2002) 0.50
    0.49642617 = sum of:
      0.49642617 = product of:
        0.7446392 = sum of:
          0.013372729 = weight(abstract_txt:information in 3586) [ClassicSimilarity], result of:
            0.013372729 = score(doc=3586,freq=1.0), product of:
              0.07076397 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.029254612 = queryNorm
              0.18897653 = fieldWeight in 3586, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.078125 = fieldNorm(doc=3586)
          0.029802687 = weight(abstract_txt:research in 3586) [ClassicSimilarity], result of:
            0.029802687 = score(doc=3586,freq=1.0), product of:
              0.12073572 = queryWeight, product of:
                1.3062063 = boost
                3.159582 = idf(docFreq=5124, maxDocs=44421)
                0.029254612 = queryNorm
              0.24684234 = fieldWeight in 3586, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.159582 = idf(docFreq=5124, maxDocs=44421)
                0.078125 = fieldNorm(doc=3586)
          0.13131684 = weight(abstract_txt:potential in 3586) [ClassicSimilarity], result of:
            0.13131684 = score(doc=3586,freq=2.0), product of:
              0.25755447 = queryWeight, product of:
                1.9077808 = boost
                4.61473 = idf(docFreq=1195, maxDocs=44421)
                0.029254612 = queryNorm
              0.50986046 = fieldWeight in 3586, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.61473 = idf(docFreq=1195, maxDocs=44421)
                0.078125 = fieldNorm(doc=3586)
          0.22520897 = weight(abstract_txt:improvements in 3586) [ClassicSimilarity], result of:
            0.22520897 = score(doc=3586,freq=1.0), product of:
              0.46493182 = queryWeight, product of:
                2.5632358 = boost
                6.2002096 = idf(docFreq=244, maxDocs=44421)
                0.029254612 = queryNorm
              0.4843914 = fieldWeight in 3586, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.2002096 = idf(docFreq=244, maxDocs=44421)
                0.078125 = fieldNorm(doc=3586)
          0.2326487 = weight(abstract_txt:conventional in 3586) [ClassicSimilarity], result of:
            0.2326487 = score(doc=3586,freq=1.0), product of:
              0.47511554 = queryWeight, product of:
                2.5911558 = boost
                6.2677455 = idf(docFreq=228, maxDocs=44421)
                0.029254612 = queryNorm
              0.48966762 = fieldWeight in 3586, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.2677455 = idf(docFreq=228, maxDocs=44421)
                0.078125 = fieldNorm(doc=3586)
          0.11228926 = weight(abstract_txt:retrieval in 3586) [ClassicSimilarity], result of:
            0.11228926 = score(doc=3586,freq=2.0), product of:
              0.29234183 = queryWeight, product of:
                2.8744476 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.029254612 = queryNorm
              0.3841026 = fieldWeight in 3586, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.078125 = fieldNorm(doc=3586)
        0.6666667 = coord(6/9)
    
  2. Larson, R.R.: Evaluation of advanced retrieval techniques in an experimental online catalog (1992) 0.47
    0.4692489 = sum of:
      0.4692489 = product of:
        0.70387334 = sum of:
          0.013372729 = weight(abstract_txt:information in 480) [ClassicSimilarity], result of:
            0.013372729 = score(doc=480,freq=1.0), product of:
              0.07076397 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.029254612 = queryNorm
              0.18897653 = fieldWeight in 480, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.078125 = fieldNorm(doc=480)
          0.05161977 = weight(abstract_txt:research in 480) [ClassicSimilarity], result of:
            0.05161977 = score(doc=480,freq=3.0), product of:
              0.12073572 = queryWeight, product of:
                1.3062063 = boost
                3.159582 = idf(docFreq=5124, maxDocs=44421)
                0.029254612 = queryNorm
              0.42754346 = fieldWeight in 480, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.159582 = idf(docFreq=5124, maxDocs=44421)
                0.078125 = fieldNorm(doc=480)
          0.037504084 = weight(abstract_txt:systems in 480) [ClassicSimilarity], result of:
            0.037504084 = score(doc=480,freq=1.0), product of:
              0.1407293 = queryWeight, product of:
                1.4102178 = boost
                3.411175 = idf(docFreq=3984, maxDocs=44421)
                0.029254612 = queryNorm
              0.26649806 = fieldWeight in 480, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.411175 = idf(docFreq=3984, maxDocs=44421)
                0.078125 = fieldNorm(doc=480)
          0.23120238 = weight(abstract_txt:boolean in 480) [ClassicSimilarity], result of:
            0.23120238 = score(doc=480,freq=1.0), product of:
              0.47314438 = queryWeight, product of:
                2.5857751 = boost
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.029254612 = queryNorm
              0.4886508 = fieldWeight in 480, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.078125 = fieldNorm(doc=480)
          0.2326487 = weight(abstract_txt:conventional in 480) [ClassicSimilarity], result of:
            0.2326487 = score(doc=480,freq=1.0), product of:
              0.47511554 = queryWeight, product of:
                2.5911558 = boost
                6.2677455 = idf(docFreq=228, maxDocs=44421)
                0.029254612 = queryNorm
              0.48966762 = fieldWeight in 480, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.2677455 = idf(docFreq=228, maxDocs=44421)
                0.078125 = fieldNorm(doc=480)
          0.1375257 = weight(abstract_txt:retrieval in 480) [ClassicSimilarity], result of:
            0.1375257 = score(doc=480,freq=3.0), product of:
              0.29234183 = queryWeight, product of:
                2.8744476 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.029254612 = queryNorm
              0.4704277 = fieldWeight in 480, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.078125 = fieldNorm(doc=480)
        0.6666667 = coord(6/9)
    
  3. Transaction log analysis (1993) 0.45
    0.44629702 = sum of:
      0.44629702 = product of:
        0.6694455 = sum of:
          0.039307635 = weight(abstract_txt:information in 5307) [ClassicSimilarity], result of:
            0.039307635 = score(doc=5307,freq=6.0), product of:
              0.07076397 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.029254612 = queryNorm
              0.5554753 = fieldWeight in 5307, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.09375 = fieldNorm(doc=5307)
          0.035763223 = weight(abstract_txt:research in 5307) [ClassicSimilarity], result of:
            0.035763223 = score(doc=5307,freq=1.0), product of:
              0.12073572 = queryWeight, product of:
                1.3062063 = boost
                3.159582 = idf(docFreq=5124, maxDocs=44421)
                0.029254612 = queryNorm
              0.2962108 = fieldWeight in 5307, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.159582 = idf(docFreq=5124, maxDocs=44421)
                0.09375 = fieldNorm(doc=5307)
          0.07795077 = weight(abstract_txt:systems in 5307) [ClassicSimilarity], result of:
            0.07795077 = score(doc=5307,freq=3.0), product of:
              0.1407293 = queryWeight, product of:
                1.4102178 = boost
                3.411175 = idf(docFreq=3984, maxDocs=44421)
                0.029254612 = queryNorm
              0.5539058 = fieldWeight in 5307, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.411175 = idf(docFreq=3984, maxDocs=44421)
                0.09375 = fieldNorm(doc=5307)
          0.11142603 = weight(abstract_txt:potential in 5307) [ClassicSimilarity], result of:
            0.11142603 = score(doc=5307,freq=1.0), product of:
              0.25755447 = queryWeight, product of:
                1.9077808 = boost
                4.61473 = idf(docFreq=1195, maxDocs=44421)
                0.029254612 = queryNorm
              0.43263093 = fieldWeight in 5307, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.61473 = idf(docFreq=1195, maxDocs=44421)
                0.09375 = fieldNorm(doc=5307)
          0.27025074 = weight(abstract_txt:improvements in 5307) [ClassicSimilarity], result of:
            0.27025074 = score(doc=5307,freq=1.0), product of:
              0.46493182 = queryWeight, product of:
                2.5632358 = boost
                6.2002096 = idf(docFreq=244, maxDocs=44421)
                0.029254612 = queryNorm
              0.5812696 = fieldWeight in 5307, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.2002096 = idf(docFreq=244, maxDocs=44421)
                0.09375 = fieldNorm(doc=5307)
          0.13474712 = weight(abstract_txt:retrieval in 5307) [ClassicSimilarity], result of:
            0.13474712 = score(doc=5307,freq=2.0), product of:
              0.29234183 = queryWeight, product of:
                2.8744476 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.029254612 = queryNorm
              0.46092314 = fieldWeight in 5307, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.09375 = fieldNorm(doc=5307)
        0.6666667 = coord(6/9)
    
  4. Carpineto, C.; Romano, G.: Information retrieval through hybrid navigation of lattice representations (1996) 0.42
    0.42058882 = sum of:
      0.42058882 = product of:
        0.9463248 = sum of:
          0.022694273 = weight(abstract_txt:information in 503) [ClassicSimilarity], result of:
            0.022694273 = score(doc=503,freq=2.0), product of:
              0.07076397 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.029254612 = queryNorm
              0.3207038 = fieldWeight in 503, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.09375 = fieldNorm(doc=503)
          0.39236343 = weight(abstract_txt:boolean in 503) [ClassicSimilarity], result of:
            0.39236343 = score(doc=503,freq=2.0), product of:
              0.47314438 = queryWeight, product of:
                2.5857751 = boost
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.029254612 = queryNorm
              0.82926786 = fieldWeight in 503, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.09375 = fieldNorm(doc=503)
          0.2791784 = weight(abstract_txt:conventional in 503) [ClassicSimilarity], result of:
            0.2791784 = score(doc=503,freq=1.0), product of:
              0.47511554 = queryWeight, product of:
                2.5911558 = boost
                6.2677455 = idf(docFreq=228, maxDocs=44421)
                0.029254612 = queryNorm
              0.5876011 = fieldWeight in 503, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.2677455 = idf(docFreq=228, maxDocs=44421)
                0.09375 = fieldNorm(doc=503)
          0.25208876 = weight(abstract_txt:retrieval in 503) [ClassicSimilarity], result of:
            0.25208876 = score(doc=503,freq=7.0), product of:
              0.29234183 = queryWeight, product of:
                2.8744476 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.029254612 = queryNorm
              0.8623082 = fieldWeight in 503, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.09375 = fieldNorm(doc=503)
        0.44444445 = coord(4/9)
    
  5. Gillaspie, L.: ¬The role of linguistic phenomena in retrieval performance (1995) 0.42
    0.4184575 = sum of:
      0.4184575 = product of:
        0.7532235 = sum of:
          0.0476843 = weight(abstract_txt:research in 3929) [ClassicSimilarity], result of:
            0.0476843 = score(doc=3929,freq=1.0), product of:
              0.12073572 = queryWeight, product of:
                1.3062063 = boost
                3.159582 = idf(docFreq=5124, maxDocs=44421)
                0.029254612 = queryNorm
              0.39494774 = fieldWeight in 3929, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.159582 = idf(docFreq=5124, maxDocs=44421)
                0.125 = fieldNorm(doc=3929)
          0.060006533 = weight(abstract_txt:systems in 3929) [ClassicSimilarity], result of:
            0.060006533 = score(doc=3929,freq=1.0), product of:
              0.1407293 = queryWeight, product of:
                1.4102178 = boost
                3.411175 = idf(docFreq=3984, maxDocs=44421)
                0.029254612 = queryNorm
              0.42639688 = fieldWeight in 3929, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.411175 = idf(docFreq=3984, maxDocs=44421)
                0.125 = fieldNorm(doc=3929)
          0.14856803 = weight(abstract_txt:potential in 3929) [ClassicSimilarity], result of:
            0.14856803 = score(doc=3929,freq=1.0), product of:
              0.25755447 = queryWeight, product of:
                1.9077808 = boost
                4.61473 = idf(docFreq=1195, maxDocs=44421)
                0.029254612 = queryNorm
              0.57684124 = fieldWeight in 3929, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.61473 = idf(docFreq=1195, maxDocs=44421)
                0.125 = fieldNorm(doc=3929)
          0.3699238 = weight(abstract_txt:boolean in 3929) [ClassicSimilarity], result of:
            0.3699238 = score(doc=3929,freq=1.0), product of:
              0.47314438 = queryWeight, product of:
                2.5857751 = boost
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.029254612 = queryNorm
              0.7818413 = fieldWeight in 3929, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.125 = fieldNorm(doc=3929)
          0.1270408 = weight(abstract_txt:retrieval in 3929) [ClassicSimilarity], result of:
            0.1270408 = score(doc=3929,freq=1.0), product of:
              0.29234183 = queryWeight, product of:
                2.8744476 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.029254612 = queryNorm
              0.4345625 = fieldWeight in 3929, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.125 = fieldNorm(doc=3929)
        0.5555556 = coord(5/9)