Search (5 results, page 1 of 1)

  • × author_ss:"Vaughan, L."
  • × theme_ss:"Suchmaschinen"
  1. Vaughan, L.; Chen, Y.: Data mining from web search queries : a comparison of Google trends and Baidu index (2015) 0.02
    0.020289674 = product of:
      0.04057935 = sum of:
        0.04057935 = sum of:
          0.0058510127 = weight(_text_:e in 1605) [ClassicSimilarity], result of:
            0.0058510127 = score(doc=1605,freq=2.0), product of:
              0.07368642 = queryWeight, product of:
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.05126476 = queryNorm
              0.07940422 = fieldWeight in 1605, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.0390625 = fieldNorm(doc=1605)
          0.034728337 = weight(_text_:22 in 1605) [ClassicSimilarity], result of:
            0.034728337 = score(doc=1605,freq=2.0), product of:
              0.17952046 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.05126476 = queryNorm
              0.19345059 = fieldWeight in 1605, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.0390625 = fieldNorm(doc=1605)
      0.5 = coord(1/2)
    
    Language
    e
    Source
    Journal of the Association for Information Science and Technology. 66(2015) no.1, S.13-22
  2. Vaughan, L.; Romero-Frías, E.: Web search volume as a predictor of academic fame : an exploration of Google trends (2014) 0.00
    0.0024823747 = product of:
      0.0049647493 = sum of:
        0.0049647493 = product of:
          0.009929499 = sum of:
            0.009929499 = weight(_text_:e in 1233) [ClassicSimilarity], result of:
              0.009929499 = score(doc=1233,freq=4.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.13475344 = fieldWeight in 1233, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1233)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  3. Vaughan, L.: New measurements for search engine evaluation proposed and tested (2004) 0.00
    0.0020478545 = product of:
      0.004095709 = sum of:
        0.004095709 = product of:
          0.008191418 = sum of:
            0.008191418 = weight(_text_:e in 2535) [ClassicSimilarity], result of:
              0.008191418 = score(doc=2535,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.1111659 = fieldWeight in 2535, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2535)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  4. Vaughan, L.; Thelwall, M.: Search engine coverage bias : evidence and possible causes (2004) 0.00
    0.0017553037 = product of:
      0.0035106074 = sum of:
        0.0035106074 = product of:
          0.007021215 = sum of:
            0.007021215 = weight(_text_:e in 2536) [ClassicSimilarity], result of:
              0.007021215 = score(doc=2536,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.09528506 = fieldWeight in 2536, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2536)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  5. Thelwall, M.; Vaughan, L.: New versions of PageRank employing alternative Web document models (2004) 0.00
    0.0017553037 = product of:
      0.0035106074 = sum of:
        0.0035106074 = product of:
          0.007021215 = sum of:
            0.007021215 = weight(_text_:e in 674) [ClassicSimilarity], result of:
              0.007021215 = score(doc=674,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.09528506 = fieldWeight in 674, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=674)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e