Search (1 results, page 1 of 1)

  • × author_ss:"Järvelin, K."
  • × 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
    0.034388304 = product of:
      0.06877661 = sum of:
        0.06877661 = sum of:
          0.031056523 = weight(_text_:j in 2230) [ClassicSimilarity], result of:
            0.031056523 = score(doc=2230,freq=2.0), product of:
              0.14743869 = queryWeight, product of:
                3.1774964 = idf(docFreq=5010, maxDocs=44218)
                0.046400897 = queryNorm
              0.21064025 = fieldWeight in 2230, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.1774964 = idf(docFreq=5010, maxDocs=44218)
                0.046875 = fieldNorm(doc=2230)
          0.037720088 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
            0.037720088 = score(doc=2230,freq=2.0), product of:
              0.16248804 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046400897 = 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)
    
    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