Search (152 results, page 2 of 8)

  • × theme_ss:"Retrievalstudien"
  • × type_ss:"a"
  1. Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973) 0.01
    0.0107213985 = product of:
      0.032164194 = sum of:
        0.032164194 = product of:
          0.08041048 = sum of:
            0.040386893 = weight(_text_:29 in 5002) [ClassicSimilarity], result of:
              0.040386893 = score(doc=5002,freq=2.0), product of:
                0.12989374 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03692589 = queryNorm
                0.31092256 = fieldWeight in 5002, 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=5002)
            0.040023588 = weight(_text_:22 in 5002) [ClassicSimilarity], result of:
              0.040023588 = score(doc=5002,freq=2.0), product of:
                0.12930818 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03692589 = queryNorm
                0.30952093 = fieldWeight in 5002, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5002)
          0.4 = coord(2/5)
      0.33333334 = coord(1/3)
    
    Date
    19. 3.1996 11:22:12
    Source
    Journal of documentation. 29(1973) no.3, S.251-257
  2. Davis, M.; Dunning, T.: ¬A TREC evaluation of query translation methods for multi-lingual text retrieval (1996) 0.01
    0.010105397 = product of:
      0.030316189 = sum of:
        0.030316189 = weight(_text_:m in 1917) [ClassicSimilarity], result of:
          0.030316189 = score(doc=1917,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.3299248 = fieldWeight in 1917, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.09375 = fieldNorm(doc=1917)
      0.33333334 = coord(1/3)
    
  3. Buckley, C.; Singhal, A.; Mitra, M.; Salton, G.: New retrieval approaches using SMART : TREC 4 (1996) 0.01
    0.010105397 = product of:
      0.030316189 = sum of:
        0.030316189 = weight(_text_:m in 7528) [ClassicSimilarity], result of:
          0.030316189 = score(doc=7528,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.3299248 = fieldWeight in 7528, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.09375 = fieldNorm(doc=7528)
      0.33333334 = coord(1/3)
    
  4. Burnett, M.; Fisher, C.; Jones, R.: InTEXT precision indexing in TREC4 (1996) 0.01
    0.010105397 = product of:
      0.030316189 = sum of:
        0.030316189 = weight(_text_:m in 7529) [ClassicSimilarity], result of:
          0.030316189 = score(doc=7529,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.3299248 = fieldWeight in 7529, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.09375 = fieldNorm(doc=7529)
      0.33333334 = coord(1/3)
    
  5. Sanderson, M.; Ruthven, I.: Report on the Glasgow IR group (glair4) submission (1997) 0.01
    0.010105397 = product of:
      0.030316189 = sum of:
        0.030316189 = weight(_text_:m in 3088) [ClassicSimilarity], result of:
          0.030316189 = score(doc=3088,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.3299248 = fieldWeight in 3088, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.09375 = fieldNorm(doc=3088)
      0.33333334 = coord(1/3)
    
  6. Singhal, A.; Buckley, C.; Mitra, M.: Using query zoning and correlation with SMART : TREC 5 (1997) 0.01
    0.010105397 = product of:
      0.030316189 = sum of:
        0.030316189 = weight(_text_:m in 3090) [ClassicSimilarity], result of:
          0.030316189 = score(doc=3090,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.3299248 = fieldWeight in 3090, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.09375 = fieldNorm(doc=3090)
      0.33333334 = coord(1/3)
    
  7. Burnett, M.; Jones, R.; Pape, L.: InTEXT automatic query enhancements in TREC-5 (1997) 0.01
    0.010105397 = product of:
      0.030316189 = sum of:
        0.030316189 = weight(_text_:m in 3091) [ClassicSimilarity], result of:
          0.030316189 = score(doc=3091,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.3299248 = fieldWeight in 3091, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.09375 = fieldNorm(doc=3091)
      0.33333334 = coord(1/3)
    
  8. Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997) 0.01
    0.010105397 = product of:
      0.030316189 = sum of:
        0.030316189 = weight(_text_:m in 3097) [ClassicSimilarity], result of:
          0.030316189 = score(doc=3097,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.3299248 = fieldWeight in 3097, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.09375 = fieldNorm(doc=3097)
      0.33333334 = coord(1/3)
    
  9. Davis, M.: New experiments in cross-language text retrieval at NMSU's computing research lab (1997) 0.01
    0.010105397 = product of:
      0.030316189 = sum of:
        0.030316189 = weight(_text_:m in 3111) [ClassicSimilarity], result of:
          0.030316189 = score(doc=3111,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.3299248 = fieldWeight in 3111, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.09375 = fieldNorm(doc=3111)
      0.33333334 = coord(1/3)
    
  10. Kluck, M.; Winter, M.: Topic-Entwicklung und Relevanzbewertung bei GIRT : ein Werkstattbericht (2006) 0.01
    0.00952746 = product of:
      0.028582377 = sum of:
        0.028582377 = weight(_text_:m in 5967) [ClassicSimilarity], result of:
          0.028582377 = score(doc=5967,freq=4.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.31105608 = fieldWeight in 5967, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.0625 = fieldNorm(doc=5967)
      0.33333334 = coord(1/3)
    
  11. Cooper, M.D.; Chen, H.-M.: Predicting the relevance of a library catalog search (2001) 0.01
    0.009429391 = product of:
      0.014144085 = sum of:
        0.010105397 = weight(_text_:m in 6519) [ClassicSimilarity], result of:
          0.010105397 = score(doc=6519,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.10997493 = fieldWeight in 6519, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03125 = fieldNorm(doc=6519)
        0.004038689 = product of:
          0.020193446 = sum of:
            0.020193446 = weight(_text_:29 in 6519) [ClassicSimilarity], result of:
              0.020193446 = score(doc=6519,freq=2.0), product of:
                0.12989374 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03692589 = queryNorm
                0.15546128 = fieldWeight in 6519, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03125 = fieldNorm(doc=6519)
          0.2 = coord(1/5)
      0.6666667 = coord(2/3)
    
    Date
    29. 9.2001 17:26:02
  12. Crestani, F.; Ruthven, I.; Sanderson, M.; Rijsbergen, C.J. van: ¬The troubles with using a logical model of IR on a large collection of documents : experimenting retrieval by logical imaging on TREC (1996) 0.01
    0.008421164 = product of:
      0.025263492 = sum of:
        0.025263492 = weight(_text_:m in 7522) [ClassicSimilarity], result of:
          0.025263492 = score(doc=7522,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.27493733 = fieldWeight in 7522, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.078125 = fieldNorm(doc=7522)
      0.33333334 = coord(1/3)
    
  13. Huang, M.-H.: ¬The evaluation of information retrieval systems (1997) 0.01
    0.008421164 = product of:
      0.025263492 = sum of:
        0.025263492 = weight(_text_:m in 1827) [ClassicSimilarity], result of:
          0.025263492 = score(doc=1827,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.27493733 = fieldWeight in 1827, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.078125 = fieldNorm(doc=1827)
      0.33333334 = coord(1/3)
    
  14. Fan, W.; Luo, M.; Wang, L.; Xi, W.; Fox, E.A.: Tuning before feedback : combining ranking discovery and blind feedback for robust retrieval (2004) 0.01
    0.008421164 = product of:
      0.025263492 = sum of:
        0.025263492 = weight(_text_:m in 4052) [ClassicSimilarity], result of:
          0.025263492 = score(doc=4052,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.27493733 = fieldWeight in 4052, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.078125 = fieldNorm(doc=4052)
      0.33333334 = coord(1/3)
    
  15. Kazai, G.; Lalmas, M.: ¬The overlap problem in content-oriented XML retrieval evaluation (2004) 0.01
    0.008421164 = product of:
      0.025263492 = sum of:
        0.025263492 = weight(_text_:m in 4083) [ClassicSimilarity], result of:
          0.025263492 = score(doc=4083,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.27493733 = fieldWeight in 4083, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.078125 = fieldNorm(doc=4083)
      0.33333334 = coord(1/3)
    
  16. Griesbaum, J.; Rittberger, M.; Bekavac, B.: Deutsche Suchmaschinen im Vergleich : AltaVista.de, Fireball.de, Google.de und Lycos.de (2002) 0.01
    0.008421164 = product of:
      0.025263492 = sum of:
        0.025263492 = weight(_text_:m in 1159) [ClassicSimilarity], result of:
          0.025263492 = score(doc=1159,freq=2.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.27493733 = fieldWeight in 1159, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.078125 = fieldNorm(doc=1159)
      0.33333334 = coord(1/3)
    
  17. Blair, D.C.: Full text retrieval : Evaluation and implications (1986) 0.01
    0.0082270205 = product of:
      0.024681062 = sum of:
        0.024681062 = product of:
          0.061702654 = sum of:
            0.031412482 = weight(_text_:28 in 2047) [ClassicSimilarity], result of:
              0.031412482 = score(doc=2047,freq=2.0), product of:
                0.13227826 = queryWeight, product of:
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.03692589 = queryNorm
                0.23747274 = fieldWeight in 2047, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2047)
            0.03029017 = weight(_text_:29 in 2047) [ClassicSimilarity], result of:
              0.03029017 = score(doc=2047,freq=2.0), product of:
                0.12989374 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03692589 = 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)
          0.4 = coord(2/5)
      0.33333334 = coord(1/3)
    
    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.
  18. Alemayehu, N.: Analysis of performance variation using quey expansion (2003) 0.01
    0.0082270205 = product of:
      0.024681062 = sum of:
        0.024681062 = product of:
          0.061702654 = sum of:
            0.031412482 = weight(_text_:28 in 1454) [ClassicSimilarity], result of:
              0.031412482 = score(doc=1454,freq=2.0), product of:
                0.13227826 = queryWeight, product of:
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.03692589 = queryNorm
                0.23747274 = fieldWeight in 1454, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1454)
            0.03029017 = weight(_text_:29 in 1454) [ClassicSimilarity], result of:
              0.03029017 = score(doc=1454,freq=2.0), product of:
                0.12989374 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03692589 = queryNorm
                0.23319192 = fieldWeight in 1454, 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=1454)
          0.4 = coord(2/5)
      0.33333334 = coord(1/3)
    
    Date
    29. 3.2003 19:28:33
  19. Gordon, M.; Kochen, M.: Recall-precision trade-off : a derivation (1989) 0.01
    0.0071455943 = product of:
      0.021436783 = sum of:
        0.021436783 = weight(_text_:m in 4160) [ClassicSimilarity], result of:
          0.021436783 = score(doc=4160,freq=4.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.23329206 = fieldWeight in 4160, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.046875 = fieldNorm(doc=4160)
      0.33333334 = coord(1/3)
    
  20. Rokaya, M.; Atlam, E.; Fuketa, M.; Dorji, T.C.; Aoe, J.-i.: Ranking of field association terms using Co-word analysis (2008) 0.01
    0.0071455943 = product of:
      0.021436783 = sum of:
        0.021436783 = weight(_text_:m in 2060) [ClassicSimilarity], result of:
          0.021436783 = score(doc=2060,freq=4.0), product of:
            0.09188818 = queryWeight, product of:
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.03692589 = queryNorm
            0.23329206 = fieldWeight in 2060, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.4884486 = idf(docFreq=9980, maxDocs=44218)
              0.046875 = fieldNorm(doc=2060)
      0.33333334 = coord(1/3)
    

Languages