Blar i TKD - Institutt for informasjonsteknologi på forfatter "Velldal, Erik"

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    • Threat detection in online discussions 

      Wester, Aksel Ladegård; Øvrelid, Lilja; Velldal, Erik; Hammer, Hugo Lewi (Chapter; Peer reviewed; Chapter, 2016)
      This paper investigates the effect of various types of linguistic features (lexical, syntactic and semantic) for training classifiers to detect threats of violence in a corpus of YouTube comments. Our ...

    • THREAT: A Large Annotated Corpus for Detection of Violent Threats 

      Hammer, Hugo Lewi; Riegler, Michael Alexander; Øvrelid, Lilja; Velldal, Erik (International Workshop on Content-Based Multimedia Indexing, CBMI;2019 International Conference on Content-Based Multimedia Indexing (CBMI), Conference object, 2019-10-21)
      Understanding, detecting, moderating and in extreme cases deleting hateful comments in online discussions and social media are well-known challenges. In this paper we present a dataset consisting of a total of around 30000 ...