Search (2 results, page 1 of 1)

  • × author_ss:"Nicholson, S."
  • × theme_ss:"Suchmaschinen"
  1. Nicholson, S.; Sierra, T.; Eseryel, U.Y.; Park, J.-H.; Barkow, P.; Pozo, E.J.; Ward, J.: How much of it is real? : analysis of paid placement in Web search engine results (2006) 0.01
    0.011052509 = product of:
      0.027631272 = sum of:
        0.009251474 = product of:
          0.018502949 = sum of:
            0.018502949 = weight(_text_:h in 5278) [ClassicSimilarity], result of:
              0.018502949 = score(doc=5278,freq=2.0), product of:
                0.11234521 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.045219366 = queryNorm
                0.16469726 = fieldWeight in 5278, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5278)
          0.5 = coord(1/2)
        0.018379798 = product of:
          0.036759596 = sum of:
            0.036759596 = weight(_text_:22 in 5278) [ClassicSimilarity], result of:
              0.036759596 = score(doc=5278,freq=2.0), product of:
                0.15835051 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045219366 = queryNorm
                0.23214069 = fieldWeight in 5278, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5278)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Date
    22. 7.2006 16:32:57
  2. Nicholson, S.: Raising reliability of Web search tool research through replication and chaos theory (2000) 0.01
    0.007499507 = product of:
      0.037497535 = sum of:
        0.037497535 = weight(_text_:u in 4806) [ClassicSimilarity], result of:
          0.037497535 = score(doc=4806,freq=2.0), product of:
            0.1480683 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.045219366 = queryNorm
            0.25324488 = fieldWeight in 4806, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4806)
      0.2 = coord(1/5)
    
    Footnote
    Vgl.: Ding, W. u. G. Marchionini: A comparative study of Web search service performance