Search (1 results, page 1 of 1)

  • × author_ss:"Barker, A.L."
  • × theme_ss:"Retrievalstudien"
  1. Barker, A.L.: Non-Boolean searching on commercial online systems : optimising use of Dialog TARGET and ESA/IRS QUESTQUORUM (1995) 0.01
    0.008839957 = product of:
      0.044199787 = sum of:
        0.044199787 = weight(_text_:7 in 3853) [ClassicSimilarity], result of:
          0.044199787 = score(doc=3853,freq=2.0), product of:
            0.17251469 = queryWeight, product of:
              3.3127685 = idf(docFreq=4376, maxDocs=44218)
              0.052075688 = queryNorm
            0.25620884 = fieldWeight in 3853, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3127685 = idf(docFreq=4376, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3853)
      0.2 = coord(1/5)
    
    Source
    Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes