Search (4 results, page 1 of 1)

  • × author_ss:"Jansen, B.J."
  • × theme_ss:"Suchmaschinen"
  1. Jansen, B.J.; Molina, P.R.: ¬The effectiveness of Web search engines for retrieving relevant ecommerce links (2006) 0.01 
    0.0064184438 = product of:
  0.01925533 = sum of:
    0.01925533 = product of:
      0.03851066 = sum of:
        0.03851066 = weight(_text_:management in 983) [ClassicSimilarity], result of:
          0.03851066 = score(doc=983,freq=2.0), product of:
            0.17235184 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.051133685 = queryNorm
            0.22344214 = fieldWeight in 983, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.046875 = fieldNorm(doc=983)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Source
    Information processing and management. 42(2006) no.4, S.1075-1098
  2. Spink, A.; Park, M.; Jansen, B.J.; Pedersen, J.: Elicitation and use of relevance feedback information (2006) 0.01 
    0.005348703 = product of:
  0.016046109 = sum of:
    0.016046109 = product of:
      0.032092217 = sum of:
        0.032092217 = weight(_text_:management in 967) [ClassicSimilarity], result of:
          0.032092217 = score(doc=967,freq=2.0), product of:
            0.17235184 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.051133685 = queryNorm
            0.18620178 = fieldWeight in 967, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.0390625 = fieldNorm(doc=967)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Source
    Information processing and management. 42(2006) no.1, S.264-275
  3. Jansen, B.J.; Spink, A.: How are we searching the World Wide Web? : A comparison of nine search engine transaction logs (2006) 0.01 
    0.005348703 = product of:
  0.016046109 = sum of:
    0.016046109 = product of:
      0.032092217 = sum of:
        0.032092217 = weight(_text_:management in 968) [ClassicSimilarity], result of:
          0.032092217 = score(doc=968,freq=2.0), product of:
            0.17235184 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.051133685 = queryNorm
            0.18620178 = fieldWeight in 968, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.0390625 = fieldNorm(doc=968)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Source
    Information processing and management. 42(2006) no.1, S.248-263
  4. Spink, A.; Jansen, B.J.; Blakely, C.; Koshman, S.: ¬A study of results overlap and uniqueness among major Web search engines (2006) 0.00 
    0.0042789625 = product of:
  0.0128368875 = sum of:
    0.0128368875 = product of:
      0.025673775 = sum of:
        0.025673775 = weight(_text_:management in 993) [ClassicSimilarity], result of:
          0.025673775 = score(doc=993,freq=2.0), product of:
            0.17235184 = queryWeight, product of:
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.051133685 = queryNorm
            0.14896142 = fieldWeight in 993, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3706124 = idf(docFreq=4130, maxDocs=44218)
              0.03125 = fieldNorm(doc=993)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Source
    Information processing and management. 42(2006) no.5, S.1379-1391

Authors