Search (2 results, page 1 of 1)

  • × author_ss:"Hancock-Beaulieu, M."
  • × author_ss:"Walker, S."
  • × theme_ss:"OPAC"
  1. Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992) 0.01
    0.010861676 = product of:
      0.03258503 = sum of:
        0.0052644373 = weight(_text_:e in 2731) [ClassicSimilarity], result of:
          0.0052644373 = score(doc=2731,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.1111659 = fieldWeight in 2731, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2731)
        0.02732059 = weight(_text_:u in 2731) [ClassicSimilarity], result of:
          0.02732059 = score(doc=2731,freq=2.0), product of:
            0.107882105 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.03294669 = queryNorm
            0.25324488 = fieldWeight in 2731, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2731)
      0.33333334 = coord(2/6)
    
    Language
    e
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  2. Walker, S.; Hancock-Beaulieu, M.: OKAPI at city : an evaluation facility for interactive IR (1991) 0.00
    0.0020055 = product of:
      0.012033 = sum of:
        0.012033 = weight(_text_:e in 2702) [ClassicSimilarity], result of:
          0.012033 = score(doc=2702,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 2702, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=2702)
      0.16666667 = coord(1/6)
    
    Language
    e