Search (33 results, page 1 of 2)

  • × author_ss:"Bar-Ilan, J."
  1. Bronstein, J.; Gazit, T.; Perez, O.; Bar-Ilan, J.; Aharony, N.; Amichai-Hamburger, Y.: ¬An examination of the factors contributing to participation in online social platforms (2016) 0.06
    0.055817597 = product of:
      0.11163519 = sum of:
        0.11163519 = sum of:
          0.035318628 = weight(_text_:j in 3364) [ClassicSimilarity], result of:
            0.035318628 = score(doc=3364,freq=4.0), product of:
              0.14227505 = queryWeight, product of:
                3.1774964 = idf(docFreq=5010, maxDocs=44218)
                0.044775832 = queryNorm
              0.2482419 = fieldWeight in 3364, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.1774964 = idf(docFreq=5010, maxDocs=44218)
                0.0390625 = fieldNorm(doc=3364)
          0.045984026 = weight(_text_:n in 3364) [ClassicSimilarity], result of:
            0.045984026 = score(doc=3364,freq=2.0), product of:
              0.19305801 = queryWeight, product of:
                4.3116565 = idf(docFreq=1611, maxDocs=44218)
                0.044775832 = queryNorm
              0.23818761 = fieldWeight in 3364, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.3116565 = idf(docFreq=1611, maxDocs=44218)
                0.0390625 = fieldNorm(doc=3364)
          0.030332536 = weight(_text_:22 in 3364) [ClassicSimilarity], result of:
            0.030332536 = score(doc=3364,freq=2.0), product of:
              0.15679733 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.044775832 = queryNorm
              0.19345059 = fieldWeight in 3364, 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=3364)
      0.5 = coord(1/2)
    
    Date
    20. 1.2015 18:30:22
  2. Bergman, O.; Gradovitch, N.; Bar-Ilan, J.; Beyth-Marom, R.: Folder versus tag preference in personal information management (2013) 0.02
    0.023652691 = product of:
      0.047305383 = sum of:
        0.047305383 = product of:
          0.07095807 = sum of:
            0.024974043 = weight(_text_:j in 1103) [ClassicSimilarity], result of:
              0.024974043 = score(doc=1103,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.17553353 = fieldWeight in 1103, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1103)
            0.045984026 = weight(_text_:n in 1103) [ClassicSimilarity], result of:
              0.045984026 = score(doc=1103,freq=2.0), product of:
                0.19305801 = queryWeight, product of:
                  4.3116565 = idf(docFreq=1611, maxDocs=44218)
                  0.044775832 = queryNorm
                0.23818761 = fieldWeight in 1103, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.3116565 = idf(docFreq=1611, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1103)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
  3. Zhitomirsky-Geffet, M.; Bar-Ilan, J.: Towards maximal unification of semantically diverse ontologies for controversial domains (2014) 0.01
    0.014748422 = product of:
      0.029496845 = sum of:
        0.029496845 = product of:
          0.044245265 = sum of:
            0.019979235 = weight(_text_:j in 1634) [ClassicSimilarity], result of:
              0.019979235 = score(doc=1634,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.14042683 = fieldWeight in 1634, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.03125 = fieldNorm(doc=1634)
            0.024266029 = weight(_text_:22 in 1634) [ClassicSimilarity], result of:
              0.024266029 = score(doc=1634,freq=2.0), product of:
                0.15679733 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044775832 = queryNorm
                0.15476047 = fieldWeight in 1634, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03125 = fieldNorm(doc=1634)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    20. 1.2015 18:30:22
  4. Zhitomirsky-Geffet, M.; Bar-Ilan, J.; Levene, M.: Testing the stability of "wisdom of crowds" judgments of search results over time and their similarity with the search engine rankings (2016) 0.01
    0.014748422 = product of:
      0.029496845 = sum of:
        0.029496845 = product of:
          0.044245265 = sum of:
            0.019979235 = weight(_text_:j in 3071) [ClassicSimilarity], result of:
              0.019979235 = score(doc=3071,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.14042683 = fieldWeight in 3071, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.03125 = fieldNorm(doc=3071)
            0.024266029 = weight(_text_:22 in 3071) [ClassicSimilarity], result of:
              0.024266029 = score(doc=3071,freq=2.0), product of:
                0.15679733 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044775832 = queryNorm
                0.15476047 = fieldWeight in 3071, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03125 = fieldNorm(doc=3071)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    20. 1.2015 18:30:22
  5. Bar-Ilan, J.: Information hub blogs (2005) 0.01
    0.0133194905 = product of:
      0.026638981 = sum of:
        0.026638981 = product of:
          0.07991694 = sum of:
            0.07991694 = weight(_text_:j in 193) [ClassicSimilarity], result of:
              0.07991694 = score(doc=193,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.5617073 = fieldWeight in 193, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.125 = fieldNorm(doc=193)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  6. Bar-Ilan, J.; Gutman,T.: How do search engines respond to some non-English queries? (2005) 0.01
    0.011654554 = product of:
      0.023309108 = sum of:
        0.023309108 = product of:
          0.06992732 = sum of:
            0.06992732 = weight(_text_:j in 4653) [ClassicSimilarity], result of:
              0.06992732 = score(doc=4653,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.4914939 = fieldWeight in 4653, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.109375 = fieldNorm(doc=4653)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  7. Lazinger, S.S.; Peritz, B.C.; Bar-Ilan, J.: Using a local area network as an interface to wide area networks in library and information science education (1993) 0.01
    0.009989617 = product of:
      0.019979235 = sum of:
        0.019979235 = product of:
          0.059937704 = sum of:
            0.059937704 = weight(_text_:j in 7125) [ClassicSimilarity], result of:
              0.059937704 = score(doc=7125,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.4212805 = fieldWeight in 7125, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.09375 = fieldNorm(doc=7125)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  8. Bar-Ilan, J.; Levene, M.: ¬The hw-rank : an h-index variant for ranking web pages (2015) 0.01
    0.008324681 = product of:
      0.016649362 = sum of:
        0.016649362 = product of:
          0.049948085 = sum of:
            0.049948085 = weight(_text_:j in 1694) [ClassicSimilarity], result of:
              0.049948085 = score(doc=1694,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.35106707 = fieldWeight in 1694, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1694)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  9. Bar-Ilan, J.: Methods for measuring search engine performance over time (2002) 0.01
    0.0066597452 = product of:
      0.0133194905 = sum of:
        0.0133194905 = product of:
          0.03995847 = sum of:
            0.03995847 = weight(_text_:j in 305) [ClassicSimilarity], result of:
              0.03995847 = score(doc=305,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.28085366 = fieldWeight in 305, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0625 = fieldNorm(doc=305)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  10. Lazinger, S.S.; Bar-Ilan, J.; Peritz, B.C.: Internet use by faculty members in various disciplines : a comparative case study (1997) 0.01
    0.005827277 = product of:
      0.011654554 = sum of:
        0.011654554 = product of:
          0.03496366 = sum of:
            0.03496366 = weight(_text_:j in 390) [ClassicSimilarity], result of:
              0.03496366 = score(doc=390,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.24574696 = fieldWeight in 390, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=390)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  11. Bar-Ilan, J.: Evaluating the stability of the search tools Hotbot and Snap : a case study (2000) 0.01
    0.005827277 = product of:
      0.011654554 = sum of:
        0.011654554 = product of:
          0.03496366 = sum of:
            0.03496366 = weight(_text_:j in 1180) [ClassicSimilarity], result of:
              0.03496366 = score(doc=1180,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.24574696 = fieldWeight in 1180, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1180)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  12. Bar-Ilan, J.: On the overlap, the precision and estimated recall of search engines : a case study of the query 'Erdös' (1998) 0.01
    0.005827277 = product of:
      0.011654554 = sum of:
        0.011654554 = product of:
          0.03496366 = sum of:
            0.03496366 = weight(_text_:j in 3753) [ClassicSimilarity], result of:
              0.03496366 = score(doc=3753,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.24574696 = fieldWeight in 3753, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3753)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  13. Bar-Ilan, J.; Peritz, B.C.: Evolution, continuity, and disappearance of documents on a specific topic an the Web : a longitudinal study of "informetrics" (2004) 0.01
    0.005827277 = product of:
      0.011654554 = sum of:
        0.011654554 = product of:
          0.03496366 = sum of:
            0.03496366 = weight(_text_:j in 2886) [ClassicSimilarity], result of:
              0.03496366 = score(doc=2886,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.24574696 = fieldWeight in 2886, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2886)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  14. Bar-Ilan, J.: ¬The Web as an information source on informetrics? : A content analysis (2000) 0.00
    0.0049948087 = product of:
      0.009989617 = sum of:
        0.009989617 = product of:
          0.029968852 = sum of:
            0.029968852 = weight(_text_:j in 4587) [ClassicSimilarity], result of:
              0.029968852 = score(doc=4587,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.21064025 = fieldWeight in 4587, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4587)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  15. Bar-Ilan, J.: ¬The use of Web search engines in information science research (2003) 0.00
    0.0049948087 = product of:
      0.009989617 = sum of:
        0.009989617 = product of:
          0.029968852 = sum of:
            0.029968852 = weight(_text_:j in 4271) [ClassicSimilarity], result of:
              0.029968852 = score(doc=4271,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.21064025 = fieldWeight in 4271, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4271)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  16. Bar-Ilan, J.; Peritz, B.C.: Informetric theories and methods for exploring the Internet : an analytical survey of recent research literature (2002) 0.00
    0.0049948087 = product of:
      0.009989617 = sum of:
        0.009989617 = product of:
          0.029968852 = sum of:
            0.029968852 = weight(_text_:j in 813) [ClassicSimilarity], result of:
              0.029968852 = score(doc=813,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.21064025 = fieldWeight in 813, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=813)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  17. Bar-Ilan, J.: What do we know about links and linking? : a framework for studying links in academic environments (2005) 0.00
    0.0049948087 = product of:
      0.009989617 = sum of:
        0.009989617 = product of:
          0.029968852 = sum of:
            0.029968852 = weight(_text_:j in 1058) [ClassicSimilarity], result of:
              0.029968852 = score(doc=1058,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.21064025 = fieldWeight in 1058, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1058)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  18. Bar-Ilan, J.: Informetrics (2009) 0.00
    0.0049948087 = product of:
      0.009989617 = sum of:
        0.009989617 = product of:
          0.029968852 = sum of:
            0.029968852 = weight(_text_:j in 3822) [ClassicSimilarity], result of:
              0.029968852 = score(doc=3822,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.21064025 = fieldWeight in 3822, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3822)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  19. Bar-Ilan, J.; Azoulay, R.: Map of nonprofit organization websites in Israel (2012) 0.00
    0.0049948087 = product of:
      0.009989617 = sum of:
        0.009989617 = product of:
          0.029968852 = sum of:
            0.029968852 = weight(_text_:j in 253) [ClassicSimilarity], result of:
              0.029968852 = score(doc=253,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.21064025 = fieldWeight in 253, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=253)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  20. Shema, H.; Bar-Ilan, J.; Thelwall, M.: Do blog citations correlate with a higher number of future citations? : Research blogs as a potential source for alternative metrics (2014) 0.00
    0.0049948087 = product of:
      0.009989617 = sum of:
        0.009989617 = product of:
          0.029968852 = sum of:
            0.029968852 = weight(_text_:j in 1258) [ClassicSimilarity], result of:
              0.029968852 = score(doc=1258,freq=2.0), product of:
                0.14227505 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.044775832 = queryNorm
                0.21064025 = fieldWeight in 1258, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1258)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)