Search (4 results, page 1 of 1)

  • × language_ss:"e"
  • × theme_ss:"Retrievalstudien"
  • × year_i:[1980 TO 1990}
  1. Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983) 0.02 
    0.017909866 = product of:
  0.03581973 = sum of:
    0.03581973 = product of:
      0.07163946 = sum of:
        0.07163946 = weight(_text_:22 in 2417) [ClassicSimilarity], result of:
          0.07163946 = score(doc=2417,freq=2.0), product of:
            0.18516219 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.052875843 = 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)
  0.5 = coord(1/2)
    Pages
    S.22-25
  2. Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983) 0.01 
    0.012536907 = product of:
  0.025073813 = sum of:
    0.025073813 = product of:
      0.050147627 = sum of:
        0.050147627 = weight(_text_:22 in 5001) [ClassicSimilarity], result of:
          0.050147627 = score(doc=5001,freq=2.0), product of:
            0.18516219 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.052875843 = 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)
  0.5 = coord(1/2)
    Date
    14. 3.1996 13:22:21
  3. 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 
    0.010745919 = product of:
  0.021491839 = sum of:
    0.021491839 = product of:
      0.042983677 = sum of:
        0.042983677 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
          0.042983677 = score(doc=3564,freq=2.0), product of:
            0.18516219 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.052875843 = 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
  4. Hartley, D.: ¬A 'laboratory' method for the comparison of retrieval effectiveness in manual and online searching (1984) 0.00 
    0.004217363 = product of:
  0.008434726 = sum of:
    0.008434726 = product of:
      0.016869452 = sum of:
        0.016869452 = weight(_text_:d in 8919) [ClassicSimilarity], result of:
          0.016869452 = score(doc=8919,freq=2.0), product of:
            0.10045733 = queryWeight, product of:
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.052875843 = queryNorm
            0.16792654 = fieldWeight in 8919, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.0625 = fieldNorm(doc=8919)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors

Types

Themes