Search (12 results, page 1 of 1)

  • × theme_ss:"OPAC"
  • × author_ss:"Walker, S."
  1. Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988) 0.10 
    0.09907697 = product of:
  0.19815394 = sum of:
    0.19815394 = sum of:
      0.0849944 = weight(_text_:online in 7403) [ClassicSimilarity], result of:
        0.0849944 = score(doc=7403,freq=2.0), product of:
          0.15842392 = queryWeight, product of:
            3.0349014 = idf(docFreq=5778, maxDocs=44218)
            0.05220068 = queryNorm
          0.5364998 = fieldWeight in 7403, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.0349014 = idf(docFreq=5778, maxDocs=44218)
            0.125 = fieldNorm(doc=7403)
      0.11315954 = weight(_text_:22 in 7403) [ClassicSimilarity], result of:
        0.11315954 = score(doc=7403,freq=2.0), product of:
          0.18279788 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.05220068 = queryNorm
          0.61904186 = fieldWeight in 7403, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.125 = fieldNorm(doc=7403)
  0.5 = coord(1/2)
    Source
    Program. 22(1988), S.21-31
  2. Walker, S.: ¬The Okapi online catalogue research projects (1989) 0.07 
    0.07292493 = product of:
  0.14584985 = sum of:
    0.14584985 = sum of:
      0.07512515 = weight(_text_:online in 1942) [ClassicSimilarity], result of:
        0.07512515 = score(doc=1942,freq=4.0), product of:
          0.15842392 = queryWeight, product of:
            3.0349014 = idf(docFreq=5778, maxDocs=44218)
            0.05220068 = queryNorm
          0.47420335 = fieldWeight in 1942, product of:
            2.0 = tf(freq=4.0), with freq of:
              4.0 = termFreq=4.0
            3.0349014 = idf(docFreq=5778, maxDocs=44218)
            0.078125 = fieldNorm(doc=1942)
      0.07072471 = weight(_text_:22 in 1942) [ClassicSimilarity], result of:
        0.07072471 = score(doc=1942,freq=2.0), product of:
          0.18279788 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.05220068 = queryNorm
          0.38690117 = fieldWeight in 1942, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.078125 = fieldNorm(doc=1942)
  0.5 = coord(1/2)
    Date
    16. 8.1998 11:22:08
    Source
    The Online catalogue: development and directions. Ed.: C. Hildreth
  3. Walker, S.: Ease of use in online catalogues : a plea for the user (1986) 0.03 
    0.03005006 = product of:
  0.06010012 = sum of:
    0.06010012 = product of:
      0.12020024 = sum of:
        0.12020024 = weight(_text_:online in 375) [ClassicSimilarity], result of:
          0.12020024 = score(doc=375,freq=4.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.75872535 = fieldWeight in 375, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.125 = fieldNorm(doc=375)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Online public access to library files. Ed.: J. Kinsella
  4. Walker, S.; Jones, R.M.: Improving subject retrieval in online catalogues : T.1: Stemming, automatic spelling correction and cross-reference tables (1987) 0.03 
    0.026293803 = product of:
  0.052587606 = sum of:
    0.052587606 = product of:
      0.10517521 = sum of:
        0.10517521 = weight(_text_:online in 2141) [ClassicSimilarity], result of:
          0.10517521 = score(doc=2141,freq=4.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.6638847 = fieldWeight in 2141, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.109375 = fieldNorm(doc=2141)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Theme
    Verbale Doksprachen im Online-Retrieval
  5. Walker, S.: Okapi : Evaluating and enhancing an experimental online catalog (1987) 0.02 
    0.0212486 = product of:
  0.0424972 = sum of:
    0.0424972 = product of:
      0.0849944 = sum of:
        0.0849944 = weight(_text_:online in 373) [ClassicSimilarity], result of:
          0.0849944 = score(doc=373,freq=2.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.5364998 = fieldWeight in 373, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.125 = fieldNorm(doc=373)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  6. Walker, S.: ¬The free language approach to online catalogues (1985) 0.02 
    0.0212486 = product of:
  0.0424972 = sum of:
    0.0424972 = product of:
      0.0849944 = sum of:
        0.0849944 = weight(_text_:online in 383) [ClassicSimilarity], result of:
          0.0849944 = score(doc=383,freq=2.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.5364998 = fieldWeight in 383, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.125 = fieldNorm(doc=383)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  7. Walker, S.: ¬Der Mensch-Maschine-Dialog bei Online-Benutzer-Katalogen (1987) 0.02 
    0.0212486 = product of:
  0.0424972 = sum of:
    0.0424972 = product of:
      0.0849944 = sum of:
        0.0849944 = weight(_text_:online in 827) [ClassicSimilarity], result of:
          0.0849944 = score(doc=827,freq=2.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.5364998 = fieldWeight in 827, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.125 = fieldNorm(doc=827)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  8. Mitev, N.N.; Walker, S.: Information retrieval aids in an online public access catalogue : automatic intelligent search sequencing (1985) 0.02 
    0.015936451 = product of:
  0.031872902 = sum of:
    0.031872902 = product of:
      0.063745804 = sum of:
        0.063745804 = weight(_text_:online in 337) [ClassicSimilarity], result of:
          0.063745804 = score(doc=337,freq=2.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.40237486 = fieldWeight in 337, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.09375 = fieldNorm(doc=337)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  9. Walker, S.; DeVere, R.: Improving subject retrieval in online catalogues : T.2: Relevance feedback and query expansion (1990) 0.01 
    0.013280375 = product of:
  0.02656075 = sum of:
    0.02656075 = product of:
      0.0531215 = sum of:
        0.0531215 = weight(_text_:online in 1816) [ClassicSimilarity], result of:
          0.0531215 = score(doc=1816,freq=2.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.33531237 = fieldWeight in 1816, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.078125 = fieldNorm(doc=1816)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  10. Mitev, N.N.; Venner, G.M.; Walker, S.: Designing an online public access catalogue : OKAPI, a catalogue on a local area network (1985) 0.01 
    0.013280375 = product of:
  0.02656075 = sum of:
    0.02656075 = product of:
      0.0531215 = sum of:
        0.0531215 = weight(_text_:online in 435) [ClassicSimilarity], result of:
          0.0531215 = score(doc=435,freq=2.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.33531237 = fieldWeight in 435, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.078125 = fieldNorm(doc=435)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  11. Walker, S.: Subject access in online catalogues (1991) 0.01 
    0.0106243 = product of:
  0.0212486 = sum of:
    0.0212486 = product of:
      0.0424972 = sum of:
        0.0424972 = weight(_text_:online in 5690) [ClassicSimilarity], result of:
          0.0424972 = score(doc=5690,freq=2.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.2682499 = fieldWeight in 5690, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.0625 = fieldNorm(doc=5690)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  12. Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992) 0.01 
    0.009296263 = product of:
  0.018592525 = sum of:
    0.018592525 = product of:
      0.03718505 = sum of:
        0.03718505 = weight(_text_:online in 2731) [ClassicSimilarity], result of:
          0.03718505 = score(doc=2731,freq=2.0), product of:
            0.15842392 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.05220068 = queryNorm
            0.23471867 = fieldWeight in 2731, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2731)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors

Years

Languages

  • e 11
  • d 1

Types

Themes

Subjects

Classifications