Search (1 results, page 1 of 1)

  • × author_ss:"Hert, C.A."
  • × theme_ss:"OPAC"
  • × year_i:[1990 TO 2000}
  1. Hert, C.A.; Nilan, M.S.: User-based information retrieval evaluation : an examination of an online public access catalog (1991) 0.00
    0.004118799 = product of:
      0.008237598 = sum of:
        0.008237598 = product of:
          0.016475197 = sum of:
            0.016475197 = weight(_text_:m in 3671) [ClassicSimilarity], result of:
              0.016475197 = score(doc=3671,freq=2.0), product of:
                0.08560495 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.034400932 = queryNorm
                0.19245613 = fieldWeight in 3671, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3671)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    ASIS '91: system understanding people. Proc. of the 54th Annual Meeting of the ASIS, vol.28, Washington, DC, 27.-31.10.1991. Ed.: J.-M. Griffiths