Search (1 results, page 1 of 1)

  • × author_ss:"Barker, A.L."
  • × theme_ss:"Retrievalstudien"
  • × type_ss:"a"
  1. Barker, A.L.: Non-Boolean searching on commercial online systems : optimising use of Dialog TARGET and ESA/IRS QUESTQUORUM (1995) 0.05 
    0.04731221 = product of:
  0.09462442 = sum of:
    0.09462442 = product of:
      0.18924884 = sum of:
        0.18924884 = weight(_text_:a.l in 3853) [ClassicSimilarity], result of:
          0.18924884 = score(doc=3853,freq=2.0), product of:
            0.32660374 = queryWeight, product of:
              7.4921947 = idf(docFreq=66, maxDocs=44218)
              0.04359253 = queryNorm
            0.5794448 = fieldWeight in 3853, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.4921947 = idf(docFreq=66, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3853)
      0.5 = coord(1/2)
  0.5 = coord(1/2)