Search (5 results, page 1 of 1)

  • × author_ss:"Ortega, J.L."
  • × theme_ss:"Informetrie"
  1. Ortega, J.L.: ¬The presence of academic journals on Twitter and its relationship with dissemination (tweets) and research impact (citations) (2017) 0.01
    0.012015017 = product of:
      0.024030033 = sum of:
        0.024030033 = product of:
          0.03604505 = sum of:
            0.005197226 = weight(_text_:e in 4410) [ClassicSimilarity], result of:
              0.005197226 = score(doc=4410,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.07940422 = fieldWeight in 4410, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4410)
            0.030847821 = weight(_text_:22 in 4410) [ClassicSimilarity], result of:
              0.030847821 = score(doc=4410,freq=2.0), product of:
                0.15946099 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04553648 = queryNorm
                0.19345059 = fieldWeight in 4410, 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=4410)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    20. 1.2015 18:30:22
    Language
    e
  2. Delgado-Quirós, L.; Aguillo, I.F.; Martín-Martín, A.; López-Cózar, E.D.; Orduña-Malea, E.; Ortega, J.L.: Why are these publications missing? : uncovering the reasons behind the exclusion of documents in free-access scholarly databases (2024) 0.00
    0.0012249979 = product of:
      0.0024499958 = sum of:
        0.0024499958 = product of:
          0.0073499875 = sum of:
            0.0073499875 = weight(_text_:e in 1201) [ClassicSimilarity], result of:
              0.0073499875 = score(doc=1201,freq=4.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.112294525 = fieldWeight in 1201, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1201)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  3. Aguillo, I.F.; Granadino, B.; Ortega, J.L.; Prieto, J.A.: Scientific research activity and communication measured with cybermetrics indicators (2006) 0.00
    0.0010394452 = product of:
      0.0020788903 = sum of:
        0.0020788903 = product of:
          0.006236671 = sum of:
            0.006236671 = weight(_text_:e in 5898) [ClassicSimilarity], result of:
              0.006236671 = score(doc=5898,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.09528506 = fieldWeight in 5898, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5898)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  4. Ortega, J.L.; Aguillo, I.F.: Science is all in the eye of the beholder : keyword maps in Google scholar citations (2012) 0.00
    0.0010394452 = product of:
      0.0020788903 = sum of:
        0.0020788903 = product of:
          0.006236671 = sum of:
            0.006236671 = weight(_text_:e in 524) [ClassicSimilarity], result of:
              0.006236671 = score(doc=524,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.09528506 = fieldWeight in 524, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=524)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  5. Ortega, J.L.; Aguillo, I.F.: Microsoft academic search and Google scholar citations : comparative analysis of author profiles (2014) 0.00
    0.0010394452 = product of:
      0.0020788903 = sum of:
        0.0020788903 = product of:
          0.006236671 = sum of:
            0.006236671 = weight(_text_:e in 1284) [ClassicSimilarity], result of:
              0.006236671 = score(doc=1284,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.09528506 = fieldWeight in 1284, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1284)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e