Search (2 results, page 1 of 1)

  • × subject_ss:"Information retrieval"
  • × year_i:[1990 TO 2000}
  1. Chamis, A.Y.: Vocabulary control and search strategies in online searching (1991) 0.02
    0.023997242 = product of:
      0.047994483 = sum of:
        0.047994483 = product of:
          0.19197793 = sum of:
            0.19197793 = weight(_text_:author's in 820) [ClassicSimilarity], result of:
              0.19197793 = score(doc=820,freq=2.0), product of:
                0.3232043 = queryWeight, product of:
                  6.7201533 = idf(docFreq=144, maxDocs=44218)
                  0.048094783 = queryNorm
                0.59398323 = fieldWeight in 820, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.7201533 = idf(docFreq=144, maxDocs=44218)
                  0.0625 = fieldNorm(doc=820)
          0.25 = coord(1/4)
      0.5 = coord(1/2)
    
    Abstract
    Based on the author's 1984 dissertation, this technical and detailed volume looks at problems related to control of terms used in searching among a variety of databases
  2. Ellis, D.: Progress and problems in information retrieval (1996) 0.01
    0.013032358 = product of:
      0.026064716 = sum of:
        0.026064716 = product of:
          0.052129433 = sum of:
            0.052129433 = weight(_text_:22 in 789) [ClassicSimilarity], result of:
              0.052129433 = score(doc=789,freq=2.0), product of:
                0.16841973 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048094783 = queryNorm
                0.30952093 = fieldWeight in 789, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=789)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    26. 7.2002 20:22:46

Authors

Classifications