Search (19 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × year_i:[1980 TO 1990}
  1. Sparck Jones, K.: Retrieval system tests 1958-1978 (1981) 0.01 
    0.009987899 = product of:
  0.039951596 = sum of:
    0.039951596 = product of:
      0.119854786 = sum of:
        0.119854786 = weight(_text_:k in 3156) [ClassicSimilarity], result of:
          0.119854786 = score(doc=3156,freq=4.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  2. Sparck Jones, K.: ¬The Cranfield tests (1981) 0.01 
    0.009987899 = product of:
  0.039951596 = sum of:
    0.039951596 = product of:
      0.119854786 = sum of:
        0.119854786 = weight(_text_:k in 3157) [ClassicSimilarity], result of:
          0.119854786 = score(doc=3157,freq=4.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiments. Ed.: K. Sparck Jones
  3. Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984) 0.01 
    0.008920024 = product of:
  0.035680097 = sum of:
    0.035680097 = product of:
      0.07136019 = sum of:
        0.07136019 = weight(_text_:22 in 262) [ClassicSimilarity], result of:
          0.07136019 = score(doc=262,freq=2.0), product of:
            0.13174312 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037621226 = queryNorm
            0.5416616 = fieldWeight in 262, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.109375 = fieldNorm(doc=262)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    20.10.2000 12:22:23
  4. Robertson, S.E.: ¬The methodology of information retrieval experiment (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3146) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3146,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  5. Rijsbergen, C.J. van: Retrieval effectiveness (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3147) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3147,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  6. Belkin, N.J.: Ineffable concepts in information retrieval (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3148) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3148,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  7. Tague, J.M.: ¬The pragmatics of information retrieval experimentation (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3149) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3149,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  8. Barraclough, E.D.: Opportunities for testing with online systems (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3151) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3151,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  9. Keen, E.M.: Laboratory tests of manual systems (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3152) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3152,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  10. Oddy, R.N.: Laboratory tests : automatic systems (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3153) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3153,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  11. Heine, M.D.: Simulation, and simulation experiments (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3154) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3154,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  12. Cooper, W.S.: Gedanken experimentation : an alternative to traditional system testing? (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3155) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3155,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  13. Evans, L.: ¬An experiment : search strategy variations in SDI (1981) 0.01 
    0.007062511 = product of:
  0.028250044 = sum of:
    0.028250044 = product of:
      0.08475013 = sum of:
        0.08475013 = weight(_text_:k in 3158) [ClassicSimilarity], result of:
          0.08475013 = score(doc=3158,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = 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)
  0.25 = coord(1/4)
    Source
    Information retrieval experiments. Ed.: K. Sparck Jones
  14. Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983) 0.01 
    0.006371446 = product of:
  0.025485784 = sum of:
    0.025485784 = product of:
      0.050971568 = sum of:
        0.050971568 = weight(_text_:22 in 2417) [ClassicSimilarity], result of:
          0.050971568 = score(doc=2417,freq=2.0), product of:
            0.13174312 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037621226 = queryNorm
            0.38690117 = fieldWeight in 2417, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.078125 = fieldNorm(doc=2417)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Pages
    S.22-25
  15. Lancaster, F.W.: Evaluation within the environment of an operating information service (1981) 0.01 
    0.0061796973 = product of:
  0.02471879 = sum of:
    0.02471879 = product of:
      0.07415637 = sum of:
        0.07415637 = weight(_text_:k in 3150) [ClassicSimilarity], result of:
          0.07415637 = score(doc=3150,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = queryNorm
            0.5521719 = fieldWeight in 3150, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.109375 = fieldNorm(doc=3150)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  16. Salton, G.: ¬The Smart environment for retrieval systeme valuation : advantages and problem areas (1981) 0.01 
    0.0061796973 = product of:
  0.02471879 = sum of:
    0.02471879 = product of:
      0.07415637 = sum of:
        0.07415637 = weight(_text_:k in 3159) [ClassicSimilarity], result of:
          0.07415637 = score(doc=3159,freq=2.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = queryNorm
            0.5521719 = fieldWeight in 3159, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.109375 = fieldNorm(doc=3159)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
    Source
    Information retrieval experiments. Ed.: K. Sparck Jones
  17. Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983) 0.00 
    0.004460012 = product of:
  0.017840048 = sum of:
    0.017840048 = product of:
      0.035680097 = sum of:
        0.035680097 = weight(_text_:22 in 5001) [ClassicSimilarity], result of:
          0.035680097 = score(doc=5001,freq=2.0), product of:
            0.13174312 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037621226 = queryNorm
            0.2708308 = fieldWeight in 5001, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5001)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    14. 3.1996 13:22:21
  18. Information retrieval experiment (1981) 0.00 
    0.004369706 = product of:
  0.017478824 = sum of:
    0.017478824 = product of:
      0.052436467 = sum of:
        0.052436467 = weight(_text_:k in 2653) [ClassicSimilarity], result of:
          0.052436467 = score(doc=2653,freq=4.0), product of:
            0.13429943 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037621226 = queryNorm
            0.39044446 = fieldWeight in 2653, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2653)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
    Content
    Enthält die Beiträge: ROBERTSON, S.E.: The methodology of information retrieval experiment; RIJSBERGEN, C.J. van: Retrieval effectiveness; BELKIN, N.: Ineffable concepts in information retrieval; TAGUE, J.M.: The pragmatics of information retrieval experimentation; LANCASTER, F.W.: Evaluation within the environment of an operating information service; BARRACLOUGH, E.D.: Opportunities for testing with online systems; KEEN, M.E.: Laboratory tests of manual systems; ODDY, R.N.: Laboratory tests: automatic systems; HEINE, M.D.: Simulation, and simulation experiments; COOPER, W.S.: Gedanken experimentation: an alternative to traditional system testing?; SPARCK JONES, K.: Actual tests - retrieval system tests; EVANS, L.: An experiment: search strategy variation in SDI profiles; SALTON, G.: The Smart environment for retrieval system evaluation - advantage and problem areas
    Editor
    Sparck Jones, K.
  19. Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989) 0.00 
    0.0038228673 = product of:
  0.015291469 = sum of:
    0.015291469 = product of:
      0.030582938 = sum of:
        0.030582938 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
          0.030582938 = score(doc=3564,freq=2.0), product of:
            0.13174312 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037621226 = 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)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    9. 1.1996 10:22:31

Authors

Languages

  • e 18
  • d 1

Types

  • a 17
  • s 2

Themes