Search (12 results, page 1 of 1)

  • × theme_ss:"Volltextretrieval"
  • × theme_ss:"Retrievalstudien"
  1. Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985) 0.02
    0.018251097 = product of:
      0.027376644 = sum of:
        0.009081424 = weight(_text_:s in 1345) [ClassicSimilarity], result of:
          0.009081424 = score(doc=1345,freq=6.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.20806074 = fieldWeight in 1345, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.078125 = fieldNorm(doc=1345)
        0.01829522 = product of:
          0.054885656 = sum of:
            0.054885656 = weight(_text_:29 in 1345) [ClassicSimilarity], result of:
              0.054885656 = score(doc=1345,freq=2.0), product of:
                0.14122012 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04014573 = queryNorm
                0.38865322 = fieldWeight in 1345, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1345)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Footnote
    Vgl. auch : Salton, G.: Another look ... Comm. ACM 29(1986) S.S.648-656; Blair, D.C.: Full text retrieval ... Int. Class. 13(1986) S.18-23: Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. proc. man. 26(1990) S.437-447.
    Source
    Communications of the Association for Computing Machinery. 28(1985), S.280-299
  2. Kristensen, J.: Expanding end-users' query statements for free text searching with a search-aid thesaurus (1993) 0.01
    0.012553803 = product of:
      0.018830704 = sum of:
        0.0041945297 = weight(_text_:s in 6621) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=6621,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 6621, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=6621)
        0.014636174 = product of:
          0.04390852 = sum of:
            0.04390852 = weight(_text_:29 in 6621) [ClassicSimilarity], result of:
              0.04390852 = score(doc=6621,freq=2.0), product of:
                0.14122012 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04014573 = queryNorm
                0.31092256 = fieldWeight in 6621, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0625 = fieldNorm(doc=6621)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Source
    Information processing and management. 29(1993) no.6, S.733-744
  3. Blair, D.C.: Full text retrieval : Evaluation and implications (1986) 0.01
    0.011512617 = product of:
      0.017268924 = sum of:
        0.006291794 = weight(_text_:s in 2047) [ClassicSimilarity], result of:
          0.006291794 = score(doc=2047,freq=8.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.14414869 = fieldWeight in 2047, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=2047)
        0.01097713 = product of:
          0.03293139 = sum of:
            0.03293139 = weight(_text_:29 in 2047) [ClassicSimilarity], result of:
              0.03293139 = score(doc=2047,freq=2.0), product of:
                0.14122012 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04014573 = queryNorm
                0.23319192 = fieldWeight in 2047, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2047)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Footnote
    Vgl.: Blair, D.C., M.E. Maron: An evaluation ... Comm. ACM 28(1985) S.280-299; Salton, G.: Another look ... Comm. ACM 29(1986) S.648-656; Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. Proc. Man. 26(1990) S.437-447.
    Source
    International classification. 13(1986), S.18-23
  4. Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989) 0.01
    0.010218237 = product of:
      0.015327355 = sum of:
        0.004448971 = weight(_text_:s in 3564) [ClassicSimilarity], result of:
          0.004448971 = score(doc=3564,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.101928525 = fieldWeight in 3564, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=3564)
        0.010878384 = product of:
          0.032635152 = sum of:
            0.032635152 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
              0.032635152 = score(doc=3564,freq=2.0), product of:
                0.1405835 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04014573 = queryNorm
                0.23214069 = fieldWeight in 3564, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3564)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Date
    9. 1.1996 10:22:31
    Pages
    S.34-39
    Type
    s
  5. Leppanen, E.: Homografiongelma tekstihaussa ja homografien disambiguoinnin vaikutukset (1996) 0.01
    0.009415352 = product of:
      0.014123027 = sum of:
        0.003145897 = weight(_text_:s in 27) [ClassicSimilarity], result of:
          0.003145897 = score(doc=27,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 27, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=27)
        0.01097713 = product of:
          0.03293139 = sum of:
            0.03293139 = weight(_text_:29 in 27) [ClassicSimilarity], result of:
              0.03293139 = score(doc=27,freq=2.0), product of:
                0.14122012 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04014573 = queryNorm
                0.23319192 = fieldWeight in 27, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.046875 = fieldNorm(doc=27)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Date
    9.12.1997 18:33:29
    Source
    Informaatiotutkimus. 15(1996) no.4, S.133-144
  6. Bernstein, L.M.; Williamson, R.E.: Testing of a natural language retrieval system for a full text knowledge base (1984) 0.00
    0.0024468089 = product of:
      0.0073404266 = sum of:
        0.0073404266 = weight(_text_:s in 1803) [ClassicSimilarity], result of:
          0.0073404266 = score(doc=1803,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.16817348 = fieldWeight in 1803, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.109375 = fieldNorm(doc=1803)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 35(1984), S.235-247
  7. Blair, D.C.; Maron, M.E.: Full-text information retrieval : further analysis and clarification (1990) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 2046) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=2046,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 2046, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=2046)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 26(1990), S.437-447
  8. Turtle, H.; Flood, J.: Query evaluation : strategies and optimizations (1995) 0.00
    0.0013981767 = product of:
      0.0041945297 = sum of:
        0.0041945297 = weight(_text_:s in 4087) [ClassicSimilarity], result of:
          0.0041945297 = score(doc=4087,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.09609913 = fieldWeight in 4087, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0625 = fieldNorm(doc=4087)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 31(1995) no.6, S.831-850
  9. Wildemuth, B.M.: Measures of success in searching a full-text fact base (1990) 0.00
    0.0012234044 = product of:
      0.0036702133 = sum of:
        0.0036702133 = weight(_text_:s in 2050) [ClassicSimilarity], result of:
          0.0036702133 = score(doc=2050,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.08408674 = fieldWeight in 2050, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2050)
      0.33333334 = coord(1/3)
    
    Pages
    S.104-109
  10. Pirkola, A.; Jarvelin, K.: ¬The effect of anaphor and ellipsis resolution on proximity searching in a text database (1995) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 4088) [ClassicSimilarity], result of:
          0.002621581 = score(doc=4088,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 4088, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4088)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 32(1996) no.2, S.199-216
  11. Voorbij, H.: Title keywords and subject descriptors : a comparison of subject search entries of books in the humanities and social sciences (1998) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 4721) [ClassicSimilarity], result of:
          0.002621581 = score(doc=4721,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 4721, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4721)
      0.33333334 = coord(1/3)
    
    Source
    Journal of documentation. 54(1998) no.4, S.466-476
  12. Hider, P.: ¬The search value added by professional indexing to a bibliographic database (2018) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 4300) [ClassicSimilarity], result of:
          0.002621581 = score(doc=4300,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 4300, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4300)
      0.33333334 = coord(1/3)
    
    Source
    Knowledge organization. 45(2018) no.1, S.23-32