Search (4 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × year_i:[1980 TO 1990}
  1. Fuhr, N.; Niewelt, B.: ¬Ein Retrievaltest mit automatisch indexierten Dokumenten (1984) 0.03
    0.025070257 = product of:
      0.10028103 = sum of:
        0.10028103 = weight(_text_:22 in 262) [ClassicSimilarity], result of:
          0.10028103 = score(doc=262,freq=2.0), product of:
            0.18513593 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.052868344 = 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)
      0.25 = coord(1/4)
    
    Date
    20.10.2000 12:22:23
  2. Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983) 0.02
    0.017907327 = product of:
      0.07162931 = sum of:
        0.07162931 = weight(_text_:22 in 2417) [ClassicSimilarity], result of:
          0.07162931 = score(doc=2417,freq=2.0), product of:
            0.18513593 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.052868344 = 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)
      0.25 = coord(1/4)
    
    Pages
    S.22-25
  3. Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983) 0.01
    0.012535129 = product of:
      0.050140515 = sum of:
        0.050140515 = weight(_text_:22 in 5001) [ClassicSimilarity], result of:
          0.050140515 = score(doc=5001,freq=2.0), product of:
            0.18513593 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.052868344 = 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)
      0.25 = coord(1/4)
    
    Date
    14. 3.1996 13:22:21
  4. 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
    0.010744396 = product of:
      0.042977583 = sum of:
        0.042977583 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
          0.042977583 = score(doc=3564,freq=2.0), product of:
            0.18513593 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.052868344 = 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)
      0.25 = coord(1/4)
    
    Date
    9. 1.1996 10:22:31