Search (11 results, page 1 of 1)

  • × author_ss:"Jansen, B.J."
  • × language_ss:"e"
  • × theme_ss:"Benutzerstudien"
  1. Jansen, B.J.; Spink, A.; Pedersen, J.: ¬A temporal comparison of AItaVista Web searching (2005) 0.01
    0.009415352 = product of:
      0.014123027 = sum of:
        0.003145897 = weight(_text_:s in 3454) [ClassicSimilarity], result of:
          0.003145897 = score(doc=3454,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 3454, 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=3454)
        0.01097713 = product of:
          0.03293139 = sum of:
            0.03293139 = weight(_text_:29 in 3454) [ClassicSimilarity], result of:
              0.03293139 = score(doc=3454,freq=2.0), product of:
                0.14122012 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04014573 = queryNorm
                0.23319192 = fieldWeight in 3454, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3454)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Date
    3. 6.2005 19:29:59
    Source
    Journal of the American Society for Information Science and Technology. 56(2005) no.6, S.559-570
  2. Wolfram, D.; Spink, A.; Jansen, B.J.; Saracevic, T.: Vox populi : the public searching of the Web (2001) 0.00
    0.0020972649 = product of:
      0.006291794 = sum of:
        0.006291794 = weight(_text_:s in 6949) [ClassicSimilarity], result of:
          0.006291794 = score(doc=6949,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = 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)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.12, S.1073-1074
  3. 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
    0.0020972649 = product of:
      0.006291794 = sum of:
        0.006291794 = weight(_text_:s in 411) [ClassicSimilarity], result of:
          0.006291794 = score(doc=411,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = 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)
    
    Source
    Information processing and management. 36(2000) no.2, S.207-227
  4. Jansen, B.J.; Pooch , U.: ¬A review of Web searching studies and a framework for future research (2001) 0.00
    0.0012234044 = product of:
      0.0036702133 = sum of:
        0.0036702133 = weight(_text_:s in 5186) [ClassicSimilarity], result of:
          0.0036702133 = score(doc=5186,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.08408674 = fieldWeight in 5186, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5186)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.3, S.235-246
  5. Jansen, B.J.; Booth, D.L.; Spink, A.: Determining the informational, navigational, and transactional intent of Web queries (2008) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 2091) [ClassicSimilarity], result of:
          0.003145897 = score(doc=2091,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 2091, 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=2091)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 44(2008) no.3, S.1251-1266
  6. Jansen, B.J.; Booth, D.L.; Spink, A.: Patterns of query reformulation during Web searching (2009) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 2936) [ClassicSimilarity], result of:
          0.003145897 = score(doc=2936,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 2936, 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=2936)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.7, S.1358-1371
  7. Spink, A.; Jansen, B.J.; Blakely, C.; Koshman, S.: ¬A study of results overlap and uniqueness among major Web search engines (2006) 0.00
    9.886601E-4 = product of:
      0.0029659804 = sum of:
        0.0029659804 = weight(_text_:s in 993) [ClassicSimilarity], result of:
          0.0029659804 = score(doc=993,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.06795235 = fieldWeight in 993, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03125 = fieldNorm(doc=993)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 42(2006) no.5, S.1379-1391
  8. Jansen, B.J.; Resnick, M.: ¬An examination of searcher's perceptions of nonsponsored and sponsored links during ecommerce Web searching (2006) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 221) [ClassicSimilarity], result of:
          0.002621581 = score(doc=221,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = 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)
    
    Source
    Journal of the American Society for Information Science and Technology. 57(2006) no.14, S.1949-1961
  9. Spink, A.; Park, M.; Jansen, B.J.; Pedersen, J.: Elicitation and use of relevance feedback information (2006) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 967) [ClassicSimilarity], result of:
          0.002621581 = score(doc=967,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 967, 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=967)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 42(2006) no.1, S.264-275
  10. Jansen, B.J.; Spink, A.: How are we searching the World Wide Web? : A comparison of nine search engine transaction logs (2006) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 968) [ClassicSimilarity], result of:
          0.002621581 = score(doc=968,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 968, 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=968)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 42(2006) no.1, S.248-263
  11. Spink, A.; Wolfram, D.; Jansen, B.J.; Saracevic, T.: Searching the Web : the public and their queries (2001) 0.00
    6.990883E-4 = product of:
      0.0020972649 = sum of:
        0.0020972649 = weight(_text_:s in 6980) [ClassicSimilarity], result of:
          0.0020972649 = score(doc=6980,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = 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)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.3, S.226-234