Search (2 results, page 1 of 1)

  • × theme_ss:"Automatisches Indexieren"
  • × type_ss:"el"
  1. Daudaravicius, V.: ¬A framework for keyphrase extraction from scientific journals (2016) 0.04
    0.042791158 = product of:
      0.17116463 = sum of:
        0.17116463 = weight(_text_:fields in 2930) [ClassicSimilarity], result of:
          0.17116463 = score(doc=2930,freq=4.0), product of:
            0.31604284 = queryWeight, product of:
              4.951651 = idf(docFreq=849, maxDocs=44218)
              0.06382575 = queryNorm
            0.5415868 = fieldWeight in 2930, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.951651 = idf(docFreq=849, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2930)
      0.25 = coord(1/4)
    
    Abstract
    We present a framework for keyphrase extraction from scientific journals in diverse research fields. While journal articles are often provided with manually assigned keywords, it is not clear how to automatically extract keywords and measure their significance for a set of journal articles. We compare extracted keyphrases from journals in the fields of astrophysics, mathematics, physics, and computer science. We show that the presented statistics-based framework is able to demonstrate differences among journals, and that the extracted keyphrases can be used to represent journal or conference research topics, dynamics, and specificity.
  2. Junger, U.; Schwens, U.: ¬Die inhaltliche Erschließung des schriftlichen kulturellen Erbes auf dem Weg in die Zukunft : Automatische Vergabe von Schlagwörtern in der Deutschen Nationalbibliothek (2017) 0.01
    0.010809385 = product of:
      0.04323754 = sum of:
        0.04323754 = weight(_text_:22 in 3780) [ClassicSimilarity], result of:
          0.04323754 = score(doc=3780,freq=2.0), product of:
            0.2235069 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.06382575 = queryNorm
            0.19345059 = fieldWeight in 3780, 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=3780)
      0.25 = coord(1/4)
    
    Date
    19. 8.2017 9:24:22

Languages