Search (8 results, page 1 of 1)

  • × author_ss:"Jansen, B.J."
  • × theme_ss:"Internet"
  • × type_ss:"a"
  1. Zhang, Y.; Jansen, B.J.; Spink, A.: Identification of factors predicting clickthrough in Web searching using neural network analysis (2009) 0.01
    0.013633157 = product of:
      0.027266314 = sum of:
        0.027266314 = product of:
          0.04089947 = sum of:
            0.0035959128 = weight(_text_:s in 2742) [ClassicSimilarity], result of:
              0.0035959128 = score(doc=2742,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.072074346 = fieldWeight in 2742, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2742)
            0.03730356 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
              0.03730356 = score(doc=2742,freq=2.0), product of:
                0.16069375 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045888513 = queryNorm
                0.23214069 = fieldWeight in 2742, 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=2742)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 3.2009 17:49:11
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.3, S.557-570
  2. Wolfram, D.; Spink, A.; Jansen, B.J.; Saracevic, T.: Vox populi : the public searching of the Web (2001) 0.01
    0.009717386 = product of:
      0.019434772 = sum of:
        0.019434772 = product of:
          0.029152157 = sum of:
            0.021960331 = weight(_text_:d in 6949) [ClassicSimilarity], result of:
              0.021960331 = score(doc=6949,freq=2.0), product of:
                0.0871823 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.045888513 = queryNorm
                0.2518898 = fieldWeight in 6949, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6949)
            0.0071918257 = weight(_text_:s in 6949) [ClassicSimilarity], result of:
              0.0071918257 = score(doc=6949,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.14414869 = fieldWeight in 6949, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6949)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.12, S.1073-1074
  3. Spink, A.; Wolfram, D.; Jansen, B.J.; Saracevic, T.: Searching the Web : the public and their queries (2001) 0.00
    0.0032391287 = product of:
      0.0064782575 = sum of:
        0.0064782575 = product of:
          0.009717386 = sum of:
            0.0073201107 = weight(_text_:d in 6980) [ClassicSimilarity], result of:
              0.0073201107 = score(doc=6980,freq=2.0), product of:
                0.0871823 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.045888513 = queryNorm
                0.08396327 = fieldWeight in 6980, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.03125 = fieldNorm(doc=6980)
            0.0023972753 = weight(_text_:s in 6980) [ClassicSimilarity], result of:
              0.0023972753 = score(doc=6980,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.048049565 = fieldWeight in 6980, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.03125 = fieldNorm(doc=6980)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.3, S.226-234
  4. Jansen, B.J.; Spink, A.; Saracevic, T.: Real life, real users and real needs : a study and analysis of users queries on the Web (2000) 0.00
    0.0011986376 = product of:
      0.0023972753 = sum of:
        0.0023972753 = product of:
          0.0071918257 = sum of:
            0.0071918257 = weight(_text_:s in 411) [ClassicSimilarity], result of:
              0.0071918257 = score(doc=411,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.14414869 = fieldWeight in 411, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.09375 = fieldNorm(doc=411)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 36(2000) no.2, S.207-227
  5. Jansen, B.J.; Resnick, M.: ¬An examination of searcher's perceptions of nonsponsored and sponsored links during ecommerce Web searching (2006) 0.00
    4.994324E-4 = product of:
      9.988648E-4 = sum of:
        9.988648E-4 = product of:
          0.0029965942 = sum of:
            0.0029965942 = weight(_text_:s in 221) [ClassicSimilarity], result of:
              0.0029965942 = score(doc=221,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.060061958 = fieldWeight in 221, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=221)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 57(2006) no.14, S.1949-1961
  6. Jansen, B.J.: Searching for digital images on the web (2008) 0.00
    4.994324E-4 = product of:
      9.988648E-4 = sum of:
        9.988648E-4 = product of:
          0.0029965942 = sum of:
            0.0029965942 = weight(_text_:s in 1730) [ClassicSimilarity], result of:
              0.0029965942 = score(doc=1730,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.060061958 = fieldWeight in 1730, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1730)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of documentation. 64(2008) no.1, S.81-101
  7. Jansen, B.J.; Zhang, M.; Sobel, K.; Chowdury, A.: Twitter power : tweets as electronic word of mouth (2009) 0.00
    4.994324E-4 = product of:
      9.988648E-4 = sum of:
        9.988648E-4 = product of:
          0.0029965942 = sum of:
            0.0029965942 = weight(_text_:s in 3157) [ClassicSimilarity], result of:
              0.0029965942 = score(doc=3157,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.060061958 = fieldWeight in 3157, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3157)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.11, S.2169-2188
  8. Jansen, B.J.; Liu, Z.; Simon, Z.: ¬The effect of ad rank on the performance of keyword advertising campaigns (2013) 0.00
    4.994324E-4 = product of:
      9.988648E-4 = sum of:
        9.988648E-4 = product of:
          0.0029965942 = sum of:
            0.0029965942 = weight(_text_:s in 1095) [ClassicSimilarity], result of:
              0.0029965942 = score(doc=1095,freq=2.0), product of:
                0.049891718 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045888513 = queryNorm
                0.060061958 = fieldWeight in 1095, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1095)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 64(2013) no.10, S.2115-2132