Search (3 results, page 1 of 1)

  • × year_i:[1960 TO 1970}
  • × theme_ss:"Retrievalstudien"
  1. Cuadra, C.A.; Katter, R.V.: Experimental studies of relevance judgements: final report : Vol.2: description of individual studies (1967) 0.02 
    0.02207961 = product of:
  0.04415922 = sum of:
    0.04415922 = product of:
      0.08831844 = sum of:
        0.08831844 = weight(_text_:r in 5356) [ClassicSimilarity], result of:
          0.08831844 = score(doc=5356,freq=2.0), product of:
            0.15092614 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.045593463 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Type
    r
  2. Aitchison, T.M.: Comparative evaluation of index languages : Part I, Design. Part II, Results (1969) 0.02 
    0.01931966 = product of:
  0.03863932 = sum of:
    0.03863932 = product of:
      0.07727864 = sum of:
        0.07727864 = weight(_text_:r in 561) [ClassicSimilarity], result of:
          0.07727864 = score(doc=561,freq=2.0), product of:
            0.15092614 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.045593463 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Type
    r
  3. Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966) 0.01 
    0.010810248 = product of:
  0.021620495 = sum of:
    0.021620495 = product of:
      0.04324099 = sum of:
        0.04324099 = weight(_text_:22 in 2718) [ClassicSimilarity], result of:
          0.04324099 = score(doc=2718,freq=2.0), product of:
            0.15966053 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045593463 = 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)
  0.5 = coord(1/2)
    Source
    Journal of documentation. 22(1966), S.203-209

Authors

Types