Search (6 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × year_i:[1960 TO 1970}
  1. Cuadra, C.A.; Katter, R.V.: Experimental studies of relevance judgements: final report : Vol.2: description of individual studies (1967) 0.02
    0.01592525 = product of:
      0.07962625 = sum of:
        0.07962625 = weight(_text_:r in 5356) [ClassicSimilarity], result of:
          0.07962625 = score(doc=5356,freq=2.0), product of:
            0.13607219 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.041106213 = queryNorm
            0.5851765 = fieldWeight in 5356, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.125 = fieldNorm(doc=5356)
      0.2 = coord(1/5)
    
    Type
    r
  2. Aitchison, T.M.: Comparative evaluation of index languages : Part I, Design. Part II, Results (1969) 0.01
    0.013934595 = product of:
      0.06967297 = sum of:
        0.06967297 = weight(_text_:r in 561) [ClassicSimilarity], result of:
          0.06967297 = score(doc=561,freq=2.0), product of:
            0.13607219 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.041106213 = queryNorm
            0.51202947 = fieldWeight in 561, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.109375 = fieldNorm(doc=561)
      0.2 = coord(1/5)
    
    Type
    r
  3. Salton, G.; Lesk, M.E.: Computer evaluation of indexing and text processing (1968) 0.01
    0.01168689 = product of:
      0.058434453 = sum of:
        0.058434453 = weight(_text_:u in 77) [ClassicSimilarity], result of:
          0.058434453 = score(doc=77,freq=2.0), product of:
            0.13460001 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041106213 = queryNorm
            0.43413407 = fieldWeight in 77, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.09375 = fieldNorm(doc=77)
      0.2 = coord(1/5)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.60-84.
  4. Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1963) 0.01
    0.01168689 = product of:
      0.058434453 = sum of:
        0.058434453 = weight(_text_:u in 577) [ClassicSimilarity], result of:
          0.058434453 = score(doc=577,freq=2.0), product of:
            0.13460001 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041106213 = queryNorm
            0.43413407 = fieldWeight in 577, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.09375 = fieldNorm(doc=577)
      0.2 = coord(1/5)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.98-110.
  5. Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961) 0.01
    0.01168689 = product of:
      0.058434453 = sum of:
        0.058434453 = weight(_text_:u in 1931) [ClassicSimilarity], result of:
          0.058434453 = score(doc=1931,freq=2.0), product of:
            0.13460001 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041106213 = queryNorm
            0.43413407 = fieldWeight in 1931, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.09375 = fieldNorm(doc=1931)
      0.2 = coord(1/5)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.223-246.
  6. Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966) 0.00
    0.0038985272 = product of:
      0.019492636 = sum of:
        0.019492636 = product of:
          0.03898527 = sum of:
            0.03898527 = weight(_text_:22 in 2718) [ClassicSimilarity], result of:
              0.03898527 = score(doc=2718,freq=2.0), product of:
                0.14394696 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041106213 = queryNorm
                0.2708308 = fieldWeight in 2718, 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=2718)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Journal of documentation. 22(1966), S.203-209