Search (5 results, page 1 of 1)

  • × author_ss:"Gorraiz, J."
  • × theme_ss:"Informetrie"
  1. Torres-Salinas, D.; Gorraiz, J.; Robinson-Garcia, N.: ¬The insoluble problems of books : what does Altmetric.com have to offer? (2018) 0.01
    0.0136852665 = product of:
      0.027370533 = sum of:
        0.027370533 = sum of:
          0.002406438 = weight(_text_:s in 4633) [ClassicSimilarity], result of:
            0.002406438 = score(doc=4633,freq=2.0), product of:
              0.05008241 = queryWeight, product of:
                1.0872376 = idf(docFreq=40523, maxDocs=44218)
                0.046063907 = queryNorm
              0.048049565 = fieldWeight in 4633, 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=4633)
          0.024964094 = weight(_text_:22 in 4633) [ClassicSimilarity], result of:
            0.024964094 = score(doc=4633,freq=2.0), product of:
              0.16130796 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046063907 = queryNorm
              0.15476047 = fieldWeight in 4633, 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=4633)
      0.5 = coord(1/2)
    
    Date
    20. 1.2015 18:30:22
    Source
    Aslib journal of information management. 70(2018) no.6, S.691-707
  2. Schlögl, C.; Gorraiz, J.: Sind Downloads die besseren Zeitschriftennutzungsdaten? : Ein Vergleich von Download- und Zitationsidikatoren (2012) 0.00
    0.0010528166 = product of:
      0.0021056333 = sum of:
        0.0021056333 = product of:
          0.0042112665 = sum of:
            0.0042112665 = weight(_text_:s in 154) [ClassicSimilarity], result of:
              0.0042112665 = score(doc=154,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.08408674 = fieldWeight in 154, 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=154)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Zeitschrift für Bibliothekswesen und Bibliographie. 59(2012) H.2, S.87-95
  3. Schlögl, C.; Gorraiz, J.; Bart, C.; Bargmann, M.: Messen und gemessen werden : Möglichkeiten und Grenzen quantitativer Forschungsevaluierungen am Beispiel eines Institutsvergleichs (2001) 0.00
    9.0241426E-4 = product of:
      0.0018048285 = sum of:
        0.0018048285 = product of:
          0.003609657 = sum of:
            0.003609657 = weight(_text_:s in 5958) [ClassicSimilarity], result of:
              0.003609657 = score(doc=5958,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.072074346 = fieldWeight in 5958, 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=5958)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    nfd Information - Wissenschaft und Praxis. 52(2001) H.4, S.221-228
  4. Gorraiz, J.; Schlögl, C.: Zusammenhang von Zeitschriftennachfrage und -zitationshäufigkeiten : ¬Eine bibliometrische Analyse eines Dokumentlieferdienstes am Beispiel von Subito (2003) 0.00
    9.0241426E-4 = product of:
      0.0018048285 = sum of:
        0.0018048285 = product of:
          0.003609657 = sum of:
            0.003609657 = weight(_text_:s in 718) [ClassicSimilarity], result of:
              0.003609657 = score(doc=718,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.072074346 = fieldWeight in 718, 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=718)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Zeitschrift für Bibliothekswesen und Bibliographie. 50(2003) H.3, S.131-140
  5. Schloegl, C.; Gorraiz, J.: Global usage versus global citation metrics : the case of pharmacology journals (2011) 0.00
    6.016095E-4 = product of:
      0.001203219 = sum of:
        0.001203219 = product of:
          0.002406438 = sum of:
            0.002406438 = weight(_text_:s in 4141) [ClassicSimilarity], result of:
              0.002406438 = score(doc=4141,freq=2.0), product of:
                0.05008241 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046063907 = queryNorm
                0.048049565 = fieldWeight in 4141, 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=4141)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and Technology. 62(2011) no.1, S.161-170