Search (34 results, page 1 of 2)

  • × author_ss:"Jansen, B.J."
  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. Zhang, Y.; Jansen, B.J.; Spink, A.: Identification of factors predicting clickthrough in Web searching using neural network analysis (2009) 0.01
    0.009349521 = product of:
      0.014024281 = sum of:
        0.003145897 = weight(_text_:s in 2742) [ClassicSimilarity], result of:
          0.003145897 = score(doc=2742,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = 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)
        0.010878384 = product of:
          0.032635152 = sum of:
            0.032635152 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
              0.032635152 = score(doc=2742,freq=2.0), product of:
                0.1405835 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04014573 = 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)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    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
  3. Jansen, B.J.; Spink, A.; Koshman, S.: Web searcher interaction with the Dogpile.com metasearch engine (2007) 0.01
    0.008570056 = product of:
      0.012855085 = sum of:
        0.0037074753 = weight(_text_:s in 270) [ClassicSimilarity], result of:
          0.0037074753 = score(doc=270,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.08494043 = fieldWeight in 270, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=270)
        0.00914761 = product of:
          0.027442828 = sum of:
            0.027442828 = weight(_text_:29 in 270) [ClassicSimilarity], result of:
              0.027442828 = score(doc=270,freq=2.0), product of:
                0.14122012 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.04014573 = queryNorm
                0.19432661 = fieldWeight in 270, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=270)
          0.33333334 = coord(1/3)
      0.6666667 = coord(2/3)
    
    Date
    29. 4.2007 21:12:02
    Source
    Journal of the American Society for Information Science and Technology. 58(2007) no.5, S.744-755
  4. 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
  5. 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
  6. Koshman, S.; Spink, A.; Jansen, B.J.: Web searching on the Vivisimo search engine (2006) 0.00
    0.0012358251 = product of:
      0.0037074753 = sum of:
        0.0037074753 = weight(_text_:s in 216) [ClassicSimilarity], result of:
          0.0037074753 = score(doc=216,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.08494043 = fieldWeight in 216, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=216)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 57(2006) no.14, S.1875-1887
  7. Jansen, B.J.; Spink, A.; Blakely, C.; Koshman, S.: Defining a session on Web search engines (2007) 0.00
    0.0012358251 = product of:
      0.0037074753 = sum of:
        0.0037074753 = weight(_text_:s in 285) [ClassicSimilarity], result of:
          0.0037074753 = score(doc=285,freq=4.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.08494043 = fieldWeight in 285, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=285)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 58(2007) no.6, S.862-871
  8. 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
  9. Jansen, B.J.; Molina, P.R.: ¬The effectiveness of Web search engines for retrieving relevant ecommerce links (2006) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 983) [ClassicSimilarity], result of:
          0.003145897 = score(doc=983,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 983, 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=983)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 42(2006) no.4, S.1075-1098
  10. Jansen, B.J.: Seeking and implementing automated assistance during the search process (2005) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 1055) [ClassicSimilarity], result of:
          0.003145897 = score(doc=1055,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 1055, 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=1055)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 41(2005) no.4, S.909-928
  11. Reddy, M.C.; Jansen, B.J.: ¬A model for understanding collaborative information behavior in context : a study of two healthcare teams (2008) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 2033) [ClassicSimilarity], result of:
          0.003145897 = score(doc=2033,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 2033, 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=2033)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 44(2008) no.1, S.256-273
  12. 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
  13. 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
  14. Jansen, B.J.; Rieh, S.Y.: ¬The seventeen theoretical constructs of information searching and information retrieval (2010) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 3690) [ClassicSimilarity], result of:
          0.003145897 = score(doc=3690,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 3690, 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=3690)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 61(2010) no.8, S.1517-1534
  15. Ortiz-Cordova, A.; Jansen, B.J.: Classifying web search queries to identify high revenue generating customers (2012) 0.00
    0.0010486324 = product of:
      0.003145897 = sum of:
        0.003145897 = weight(_text_:s in 279) [ClassicSimilarity], result of:
          0.003145897 = score(doc=279,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.072074346 = fieldWeight in 279, 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=279)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 63(2012) no.7, S.1426-1441
  16. 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
  17. Spink, A.; Jansen, B.J.; Pedersen , J.: Searching for people on Web search engines (2004) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 4429) [ClassicSimilarity], result of:
          0.002621581 = score(doc=4429,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 4429, 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=4429)
      0.33333334 = coord(1/3)
    
    Source
    Journal of documentation. 60(2004) no.3, S.266-278
  18. Jansen, B.J.; McNeese, M.D.: Evaluating the Effectiveness of and Patterns of Interactions With Automated Searching Assistance (2005) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 4815) [ClassicSimilarity], result of:
          0.002621581 = score(doc=4815,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 4815, 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=4815)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science and Technology. 56(2005) no.14, S.1480-1503
  19. 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
  20. 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