Search (1 results, page 1 of 1)

  • × author_ss:"Wien, C."
  1. Wien, C.: Sample sizes and composition : their effect on recall and precision in IR experiments with OPACs (2000) 4.54 
    4.543732 = weight(theme_ss:OPAC in 368) [ClassicSimilarity], result of:
  4.543732 = fieldWeight in 368, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    4.543732 = idf(docFreq=1283, maxDocs=44421)
    1.0 = fieldNorm(doc=368)
    Theme
    OPAC