Search (2 results, page 1 of 1)

  • × author_ss:"Ballard, T."
  • × theme_ss:"OPAC"
  1. Ballard, T.; Grimaldi, A.: Improve OPAC searching by reducing tagging errors in MARC records (1997) 0.01
    0.014140441 = product of:
      0.028280882 = sum of:
        0.028280882 = product of:
          0.056561764 = sum of:
            0.056561764 = weight(_text_:22 in 695) [ClassicSimilarity], result of:
              0.056561764 = score(doc=695,freq=2.0), product of:
                0.1827397 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.052184064 = queryNorm
                0.30952093 = fieldWeight in 695, 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=695)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    6. 3.1997 16:22:15
  2. Ballard, T.: Library systems : transaction log fever; analyzing patron searches can reveal solutions to increase search success (1996) 0.01
    0.010890487 = product of:
      0.021780973 = sum of:
        0.021780973 = product of:
          0.043561947 = sum of:
            0.043561947 = weight(_text_:systems in 5761) [ClassicSimilarity], result of:
              0.043561947 = score(doc=5761,freq=2.0), product of:
                0.16037072 = queryWeight, product of:
                  3.0731742 = idf(docFreq=5561, maxDocs=44218)
                  0.052184064 = queryNorm
                0.2716328 = fieldWeight in 5761, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0731742 = idf(docFreq=5561, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5761)
          0.5 = coord(1/2)
      0.5 = coord(1/2)