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Browsing Articles (Departament de Tecnologies de la Informació i les Comunicacions) by Author "Kaltenbrunner, Andreas"

Browsing Articles (Departament de Tecnologies de la Informació i les Comunicacions) by Author "Kaltenbrunner, Andreas"

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  • A likelihood-based framework for the analysis of discussion threads
    Gómez, Vicenç; Kappen, Hilbert J.; Litvak, Nelly; Kaltenbrunner, Andreas (Springer, 2013)
    Online discussion threads are conversational cascades in the form of posted messages that can be generally found in social systems that comprise many-to-many interaction such as blogs, news aggregators or bulletin board ...
  • Detecting platform effects in online discussions
    Aragón, Pablo; Gómez, Vicenç; Kaltenbrunner, Andreas (Wiley, 2017)
    Online discussions are the essence of many social platforms on the Internet. These platforms are receiving increasing interest because of their potential to become deliberative spaces. Many studies have proposed approaches ...
  • Emotion-Core: an open source framework for emotion detection research
    Alvarez-Gonzalez, Nurudin; Kaltenbrunner, Andreas; Gómez, Vicenç (Elsevier, 2021)
    Identifying emotions from text is crucial for a variety of real world tasks. We describe Emotion-Core, an OpenSource framework for training, evaluating, and showcasing textual Emotion Detection models. Our framework is ...
  • Generative models of online discussion threads: state of the art and research challenges
    Aragón, Pablo; Gómez, Vicenç; García, David; Kaltenbrunner, Andreas (SpringerOpen, 2017)
    Online discussion in form of written comments is a core component of many social media platforms. It has attracted increasing attention from academia, mainly because theories from social sciences can be explored at an ...
  • Harmony assumptions in information retrieval and social networks
    Roelleke, Thomas; Kaltenbrunner, Andreas; Baeza Yates, Ricardo (Oxford University Press, 2014)
    In many applications, independence of event occurrences is assumed, even if there is evidence for dependence. Capturing dependence leads to complex models, and even if the complex models were superior, they fail to beat ...
  • Large scale analysis of gender bias and sexism in song lyrics
    Betti, Lorenzo; Abrate, Carlo; Kaltenbrunner, Andreas (Springer, 2023)
    We employ Natural Language Processing techniques to analyse 377,808 English song lyrics from the “Two Million Song Database” corpus, focusing on the expression of sexism across five decades (1960–2010) and the measurement ...
  • Online network organization of Barcelona en Comú, an emergent movement-party
    Aragón, Pablo; Gallego, Helena; Laniado, David; Volkovich, Yana; Kaltenbrunner, Andreas (SpringerOpen, 2017)
    The emerging grassroots party Barcelona en Comú won the 2015 Barcelona City Council election. This candidacy was devised by activists involved in the Spanish 15M movement to transform citizen outrage into political change. ...

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