Search (110 results, page 1 of 6)

  • × theme_ss:"Retrievalstudien"
  • × type_ss:"a"
  1. Balog, K.; Schuth, A.; Dekker, P.; Tavakolpoursaleh, N.; Schaer, P.; Chuang, P.-Y.: Overview of the TREC 2016 Open Search track Academic Search Edition (2016) 0.05
    0.04702442 = product of:
      0.09404884 = sum of:
        0.09404884 = product of:
          0.14107326 = sum of:
            0.09100041 = weight(_text_:y in 43) [ClassicSimilarity], result of:
              0.09100041 = score(doc=43,freq=2.0), product of:
                0.21393733 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.04445543 = queryNorm
                0.4253601 = fieldWeight in 43, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.0625 = fieldNorm(doc=43)
            0.050072845 = weight(_text_:k in 43) [ClassicSimilarity], result of:
              0.050072845 = score(doc=43,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.31552678 = fieldWeight in 43, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0625 = fieldNorm(doc=43)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
  2. Lespinasse, K.: TREC: une conference pour l'evaluation des systemes de recherche d'information (1997) 0.03
    0.032752544 = product of:
      0.06550509 = sum of:
        0.06550509 = product of:
          0.09825762 = sum of:
            0.050072845 = weight(_text_:k in 744) [ClassicSimilarity], result of:
              0.050072845 = score(doc=744,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.31552678 = fieldWeight in 744, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0625 = fieldNorm(doc=744)
            0.04818478 = weight(_text_:22 in 744) [ClassicSimilarity], result of:
              0.04818478 = score(doc=744,freq=2.0), product of:
                0.15567535 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04445543 = queryNorm
                0.30952093 = fieldWeight in 744, 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=744)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    1. 8.1996 22:01:00
  3. Leininger, K.: Interindexer consistency in PsychINFO (2000) 0.02
    0.024564406 = product of:
      0.04912881 = sum of:
        0.04912881 = product of:
          0.073693216 = sum of:
            0.037554637 = weight(_text_:k in 2552) [ClassicSimilarity], result of:
              0.037554637 = score(doc=2552,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.23664509 = fieldWeight in 2552, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2552)
            0.036138583 = weight(_text_:22 in 2552) [ClassicSimilarity], result of:
              0.036138583 = score(doc=2552,freq=2.0), product of:
                0.15567535 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04445543 = queryNorm
                0.23214069 = fieldWeight in 2552, 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=2552)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    9. 2.1997 18:44:22
  4. Sparck Jones, K.: Retrieval system tests 1958-1978 (1981) 0.02
    0.023604568 = product of:
      0.047209136 = sum of:
        0.047209136 = product of:
          0.1416274 = sum of:
            0.1416274 = weight(_text_:k in 3156) [ClassicSimilarity], result of:
              0.1416274 = score(doc=3156,freq=4.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.8924445 = fieldWeight in 3156, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3156)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  5. Sparck Jones, K.: ¬The Cranfield tests (1981) 0.02
    0.023604568 = product of:
      0.047209136 = sum of:
        0.047209136 = product of:
          0.1416274 = sum of:
            0.1416274 = weight(_text_:k in 3157) [ClassicSimilarity], result of:
              0.1416274 = score(doc=3157,freq=4.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.8924445 = fieldWeight in 3157, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3157)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiments. Ed.: K. Sparck Jones
  6. Wan, T.-L.; Evens, M.; Wan, Y.-W.; Pao, Y.-Y.: Experiments with automatic indexing and a relational thesaurus in a Chinese information retrieval system (1997) 0.02
    0.02298586 = product of:
      0.04597172 = sum of:
        0.04597172 = product of:
          0.13791516 = sum of:
            0.13791516 = weight(_text_:y in 956) [ClassicSimilarity], result of:
              0.13791516 = score(doc=956,freq=6.0), product of:
                0.21393733 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.04445543 = queryNorm
                0.6446522 = fieldWeight in 956, product of:
                  2.4494898 = tf(freq=6.0), with freq of:
                    6.0 = termFreq=6.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=956)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  7. Ravin, Y.: ¬The GURU system in TREC-5 (1997) 0.02
    0.022750102 = product of:
      0.045500204 = sum of:
        0.045500204 = product of:
          0.13650061 = sum of:
            0.13650061 = weight(_text_:y in 3094) [ClassicSimilarity], result of:
              0.13650061 = score(doc=3094,freq=2.0), product of:
                0.21393733 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.04445543 = queryNorm
                0.6380402 = fieldWeight in 3094, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3094)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  8. Brown, E.W.; Carmel, D.; Franz, M.; Ittycheriah, A.; Kanungo, T.; Maarek, Y.; McCarley, J.S.; Mack, R.L.; Prager, J.M.; Smith, J.R.; Soffer, A.; Zien, J.Y.; Marwick, A.D.: IBM research activities at TREC (2005) 0.02
    0.018958418 = product of:
      0.037916835 = sum of:
        0.037916835 = product of:
          0.1137505 = sum of:
            0.1137505 = weight(_text_:y in 5093) [ClassicSimilarity], result of:
              0.1137505 = score(doc=5093,freq=2.0), product of:
                0.21393733 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.04445543 = queryNorm
                0.53170013 = fieldWeight in 5093, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.078125 = fieldNorm(doc=5093)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  9. Kuriyama, K.; Kando, N.; Nozue, T.; Eguchi, K.: Pooling for a large-scale test collection : an analysis of the search results from the First NTCIR Workshop (2002) 0.02
    0.017703425 = product of:
      0.03540685 = sum of:
        0.03540685 = product of:
          0.10622054 = sum of:
            0.10622054 = weight(_text_:k in 3830) [ClassicSimilarity], result of:
              0.10622054 = score(doc=3830,freq=4.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.66933334 = fieldWeight in 3830, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3830)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  10. Robertson, S.E.: ¬The methodology of information retrieval experiment (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3146) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3146,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3146, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3146)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  11. Rijsbergen, C.J. van: Retrieval effectiveness (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3147) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3147,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3147, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3147)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  12. Belkin, N.J.: Ineffable concepts in information retrieval (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3148) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3148,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3148, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3148)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  13. Tague, J.M.: ¬The pragmatics of information retrieval experimentation (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3149) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3149,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3149, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3149)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  14. Barraclough, E.D.: Opportunities for testing with online systems (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3151) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3151,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3151, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3151)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  15. Keen, E.M.: Laboratory tests of manual systems (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3152) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3152,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3152, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3152)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  16. Oddy, R.N.: Laboratory tests : automatic systems (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3153) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3153,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3153, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3153)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  17. Heine, M.D.: Simulation, and simulation experiments (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3154) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3154,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3154, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3154)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  18. Cooper, W.S.: Gedanken experimentation : an alternative to traditional system testing? (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3155) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3155,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3155, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3155)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  19. Evans, L.: ¬An experiment : search strategy variations in SDI (1981) 0.02
    0.016690949 = product of:
      0.033381898 = sum of:
        0.033381898 = product of:
          0.10014569 = sum of:
            0.10014569 = weight(_text_:k in 3158) [ClassicSimilarity], result of:
              0.10014569 = score(doc=3158,freq=2.0), product of:
                0.15869603 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04445543 = queryNorm
                0.63105357 = fieldWeight in 3158, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3158)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval experiments. Ed.: K. Sparck Jones
  20. Tonta, Y.: Analysis of search failures in document retrieval systems : a review (1992) 0.02
    0.015166735 = product of:
      0.03033347 = sum of:
        0.03033347 = product of:
          0.09100041 = sum of:
            0.09100041 = weight(_text_:y in 4611) [ClassicSimilarity], result of:
              0.09100041 = score(doc=4611,freq=2.0), product of:
                0.21393733 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.04445543 = queryNorm
                0.4253601 = fieldWeight in 4611, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4611)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    

Languages

  • e 98
  • d 9
  • chi 1
  • f 1
  • sp 1
  • More… Less…