Search (2 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × type_ss:"s"
  • × year_i:[1980 TO 1990}
  1. Information retrieval experiment (1981) 0.01 
    0.013857029 = product of:
  0.027714059 = sum of:
    0.027714059 = product of:
      0.055428118 = sum of:
        0.055428118 = weight(_text_:l in 2653) [ClassicSimilarity], result of:
          0.055428118 = score(doc=2653,freq=2.0), product of:
            0.18031335 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.045365814 = queryNorm
            0.30739886 = fieldWeight in 2653, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2653)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    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
  2. 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 
    0.009219662 = product of:
  0.018439325 = sum of:
    0.018439325 = product of:
      0.03687865 = sum of:
        0.03687865 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
          0.03687865 = score(doc=3564,freq=2.0), product of:
            0.15886335 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045365814 = 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)
  0.5 = coord(1/2)
    Date
    9. 1.1996 10:22:31

Authors