Search (3 results, page 1 of 1)

Ellis, D.: Progress and problems in information retrieval (1996) 0.05

0.054045893 = product of:
  0.10809179 = sum of:
    0.10809179 = sum of:
      0.053230736 = weight(_text_:c in 789) [ClassicSimilarity], result of:
        0.053230736 = score(doc=789,freq=2.0), product of:
          0.17459157 = queryWeight, product of:
            3.4494052 = idf(docFreq=3817, maxDocs=44218)
            0.05061498 = 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)
      0.05486105 = weight(_text_:22 in 789) [ClassicSimilarity], result of:
        0.05486105 = score(doc=789,freq=2.0), product of:
          0.17724504 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.05061498 = 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)

Chamis, A.Y.: Vocabulary control and search strategies in online searching (1991) 0.03

0.025254713 = product of:
  0.050509427 = sum of:
    0.050509427 = product of:
      0.2020377 = sum of:
        0.2020377 = weight(_text_:author's in 820) [ClassicSimilarity], result of:
          0.2020377 = score(doc=820,freq=2.0), product of:
            0.34014043 = queryWeight, product of:
              6.7201533 = idf(docFreq=144, maxDocs=44218)
              0.05061498 = 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

Ingwersen, P.: Information retrieval interaction (1992) 0.01

0.013307684 = product of:
  0.026615368 = sum of:
    0.026615368 = product of:
      0.053230736 = sum of:
        0.053230736 = weight(_text_:c in 764) [ClassicSimilarity], result of:
          0.053230736 = score(doc=764,freq=2.0), product of:
            0.17459157 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.05061498 = 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)

Search (3 results, page 1 of 1)

Authors

Themes

Classifications