Search (4 results, page 1 of 1)

  • × author_ss:"Niemi, T."
  • × theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
  1. Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996) 0.03
    0.032908846 = product of:
      0.054848075 = sum of:
        0.029493032 = weight(_text_:u in 2230) [ClassicSimilarity], result of:
          0.029493032 = score(doc=2230,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.21706703 = fieldWeight in 2230, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.046875 = fieldNorm(doc=2230)
        0.00848935 = product of:
          0.0169787 = sum of:
            0.0169787 = weight(_text_:h in 2230) [ClassicSimilarity], result of:
              0.0169787 = score(doc=2230,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.16469726 = fieldWeight in 2230, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2230)
          0.5 = coord(1/2)
        0.016865695 = product of:
          0.03373139 = sum of:
            0.03373139 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
              0.03373139 = score(doc=2230,freq=2.0), product of:
                0.14530581 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041494254 = queryNorm
                0.23214069 = fieldWeight in 2230, 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=2230)
          0.5 = coord(1/2)
      0.6 = coord(3/5)
    
    Source
    Proceedings of the 19th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR '96), Zürich, Switzerland, August 18-22, 1996. Eds.: H.P. Frei et al
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  2. Järvelin, K.; Niemi, T.: Deductive information retrieval based on classifications (1993) 0.01
    0.0058986065 = product of:
      0.029493032 = sum of:
        0.029493032 = weight(_text_:u in 2229) [ClassicSimilarity], result of:
          0.029493032 = score(doc=2229,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.21706703 = fieldWeight in 2229, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.046875 = fieldNorm(doc=2229)
      0.2 = coord(1/5)
    
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  3. Niemi, T.; Jämsen, J.: ¬A query language for discovering semantic associations, part II : sample queries and query evaluation (2007) 0.00
    0.0049155056 = product of:
      0.024577528 = sum of:
        0.024577528 = weight(_text_:u in 580) [ClassicSimilarity], result of:
          0.024577528 = score(doc=580,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.1808892 = fieldWeight in 580, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0390625 = fieldNorm(doc=580)
      0.2 = coord(1/5)
    
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  4. Niemi, T.; Jämsen , J.: ¬A query language for discovering semantic associations, part I : approach and formal definition of query primitives (2007) 0.00
    0.0049155056 = product of:
      0.024577528 = sum of:
        0.024577528 = weight(_text_:u in 591) [ClassicSimilarity], result of:
          0.024577528 = score(doc=591,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.1808892 = fieldWeight in 591, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0390625 = fieldNorm(doc=591)
      0.2 = coord(1/5)
    
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval