Search (2 results, page 1 of 1)

  • × author_ss:"Jahn, N."
  • × author_ss:"Matthias, L."
  • × theme_ss:"Elektronisches Publizieren"
  1. Jahn, N.; Matthias, L.; Laakso, M.: Toward transparency of hybrid open access through publisher-provided metadata : an article-level study of Elsevier (2022) 0.00
    0.0022638158 = product of:
      0.009055263 = sum of:
        0.009055263 = product of:
          0.018110527 = sum of:
            0.018110527 = weight(_text_:science in 448) [ClassicSimilarity], result of:
              0.018110527 = score(doc=448,freq=2.0), product of:
                0.124457374 = queryWeight, product of:
                  2.6341193 = idf(docFreq=8627, maxDocs=44218)
                  0.047248192 = queryNorm
                0.1455159 = fieldWeight in 448, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.6341193 = idf(docFreq=8627, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=448)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Source
    Journal of the Association for Information Science and Technology. 73(2022) no.1, S.104-118
  2. Laakso, M.; Matthias, L.; Jahn, N.: Open is not forever : a study of vanished open access journals (2021) 0.00
    0.0018110527 = product of:
      0.0072442107 = sum of:
        0.0072442107 = product of:
          0.014488421 = sum of:
            0.014488421 = weight(_text_:science in 333) [ClassicSimilarity], result of:
              0.014488421 = score(doc=333,freq=2.0), product of:
                0.124457374 = queryWeight, product of:
                  2.6341193 = idf(docFreq=8627, maxDocs=44218)
                  0.047248192 = queryNorm
                0.11641272 = fieldWeight in 333, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.6341193 = idf(docFreq=8627, maxDocs=44218)
                  0.03125 = fieldNorm(doc=333)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Source
    Journal of the Association for Information Science and Technology. 72(2021) no.9, S.1099-1112