Search (3 results, page 1 of 1)

  • × subject_ss:"Information retrieval"
  • × year_i:[1990 TO 2000}
  1. Ellis, D.: Progress and problems in information retrieval (1996) 0.05
    0.046145707 = product of:
      0.092291415 = sum of:
        0.092291415 = sum of:
          0.045449704 = weight(_text_:c in 789) [ClassicSimilarity], result of:
            0.045449704 = score(doc=789,freq=2.0), product of:
              0.14907055 = queryWeight, product of:
                3.4494052 = idf(docFreq=3817, maxDocs=44218)
                0.043216307 = queryNorm
              0.3048872 = fieldWeight in 789, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4494052 = idf(docFreq=3817, maxDocs=44218)
                0.0625 = fieldNorm(doc=789)
          0.046841707 = weight(_text_:22 in 789) [ClassicSimilarity], result of:
            0.046841707 = score(doc=789,freq=2.0), product of:
              0.15133615 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.043216307 = 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)
    
    Date
    26. 7.2002 20:22:46
    Footnote
    Rez. in: Managing information 3(1996) no.10, S.49 (D. Bawden); Program 32(1998) no.2, S.190-192 (C. Revie)
  2. Chamis, A.Y.: Vocabulary control and search strategies in online searching (1991) 0.01
    0.014375395 = product of:
      0.02875079 = sum of:
        0.02875079 = product of:
          0.17250474 = sum of:
            0.17250474 = weight(_text_:author's in 820) [ClassicSimilarity], result of:
              0.17250474 = score(doc=820,freq=2.0), product of:
                0.2904202 = queryWeight, product of:
                  6.7201533 = idf(docFreq=144, maxDocs=44218)
                  0.043216307 = 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)
          0.16666667 = coord(1/6)
      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
  3. Ingwersen, P.: Information retrieval interaction (1992) 0.01
    0.011362426 = product of:
      0.022724852 = sum of:
        0.022724852 = product of:
          0.045449704 = sum of:
            0.045449704 = weight(_text_:c in 764) [ClassicSimilarity], result of:
              0.045449704 = score(doc=764,freq=2.0), product of:
                0.14907055 = queryWeight, product of:
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.043216307 = queryNorm
                0.3048872 = fieldWeight in 764, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.4494052 = idf(docFreq=3817, maxDocs=44218)
                  0.0625 = fieldNorm(doc=764)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Rez. in: Library and information research news. 16(1993) no.56, S.26-27 (J. Palmer); Journal of documentation 50(1994) no.2, S.142-144 (P. Willett); Australian academic and research libraries 1993, Sept., S.239-240 (C. Wilson)

Classifications