Search (3 results, page 1 of 1)

  • × language_ss:"e"
  • × theme_ss:"Automatisches Indexieren"
  • × theme_ss:"Retrievalstudien"
  1. Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983) 0.01
    0.012089542 = product of:
      0.024179084 = sum of:
        0.024179084 = product of:
          0.04835817 = sum of:
            0.04835817 = weight(_text_:22 in 5001) [ClassicSimilarity], result of:
              0.04835817 = score(doc=5001,freq=2.0), product of:
                0.1785549 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.05098903 = 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
  2. Wan, T.-L.; Evens, M.; Wan, Y.-W.; Pao, Y.-Y.: Experiments with automatic indexing and a relational thesaurus in a Chinese information retrieval system (1997) 0.01
    0.0061048805 = product of:
      0.012209761 = sum of:
        0.012209761 = product of:
          0.024419522 = sum of:
            0.024419522 = weight(_text_:m in 956) [ClassicSimilarity], result of:
              0.024419522 = score(doc=956,freq=2.0), product of:
                0.12688358 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.05098903 = queryNorm
                0.19245613 = fieldWeight in 956, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=956)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Toepfer, M.; Seifert, C.: Content-based quality estimation for automatic subject indexing of short texts under precision and recall constraints 0.00
    0.0043606292 = product of:
      0.0087212585 = sum of:
        0.0087212585 = product of:
          0.017442517 = sum of:
            0.017442517 = weight(_text_:m in 4309) [ClassicSimilarity], result of:
              0.017442517 = score(doc=4309,freq=2.0), product of:
                0.12688358 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.05098903 = queryNorm
                0.13746867 = fieldWeight in 4309, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4309)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    

Types