Browsing by Author "Freire, Ana"

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  • Ramírez Cifuentes, Diana (Universitat Pompeu Fabra, 2022-07-29)
    The link between mental disorders and social media usage has led researchers to work on the development of automated methods to detect mental health issues in social platforms. This thesis proposes a framework for mental ...
  • Ramírez Cifuentes, Diana; Freire, Ana; Baeza Yates, Ricardo; Sanz Lamora, Nadia; Álvarez, Aida; González Rodríguez, Alexandre; Lozano Rochel, Meritxell; Llobet Vives, Roger; Velazquez, Diego Alejandro; Gonfaus, Josep Maria; Gonzàlez, Jordi (JMIR Publications, 2021)
    Background: Eating disorders are psychological conditions characterized by unhealthy eating habits. Anorexia nervosa (AN) is defined as the belief of being overweight despite being dangerously underweight. The psychological ...
  • Ramírez Cifuentes, Diana; Freire, Ana; Baeza Yates, Ricardo; Puntí, Joaquim; Medina Bravo, Pilar, 1966-; Alejandro Velazquez, Diego; Gonfaus, Josep Maria; Gonzàlez, Jordi (JMIR Publications, 2020)
    Background: Suicide risk assessment usually involves an interaction between doctors and patients. However, a significant number of people with mental disorders receive no treatment for their condition due to the limited ...
  • Freire, Ana; Moreno Oliver, Verónica (IATED Academy, 2020)
    The underrepresentation of women in technical degrees is a matter of concern, as it leads to multiple issues such as the lack of diversity and the exclusion of women from the tech industry job market. Several initiatives ...
  • Ramíırez-Cifuentes, Diana; Mayans Yern, Marc; Freire, Ana (Springer, 2018)
    This paper proposes an approach for the early detection of anorexia nervosa (AN) on social media. We present a machine learning approach that processes the texts written by social media users. This method relies on a set ...
  • Ramírez Cifuentes, Diana; Largeron, Christine; Tissier, Julien; Baeza Yates, Ricardo; Freire, Ana (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Substance abuse and mental health issues are severe conditions that affect millions. Signs of certain conditions have been traced on social media through the analysis of posts. In this paper we analyze textual cues that ...
  • Ramíırez-Cifuentes, Diana; Largeron, Christine; Tissier, Julien; Freire, Ana; Baeza Yates, Ricardo (Springer, 2020)
    Anorexia Nervosa (AN) is a serious mental disorder that has been proved to be traceable on social media through the analysis of users’ written posts. Here we present an approach to generate word embeddings enhanced for ...
  • Munteanu, Cristian R.; Aguiar Pulido, Vanessa; Freire, Ana; Martínez Romero, Marcos; Porto Pazos, Ana B.; Pereira, Javier; Dorado, Julian (Bentham Science Publishers, 2015)
    The complex information encoded into the element connectivity of a system gives rise to the possibility of graphical processing of divisible systems by using the Graph theory. An application in this sense is the quantitative ...
  • Hupont, Isabelle; Tolan, Songül; Freire, Ana; Porcaro, Lorenzo; Estevez, Sara; Gómez Gutiérrez, Emilia, 1975- (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    ACII is the premier international forum for presenting the latest research on affective computing. In this work, we monitor, quantify and reflect on the diversity in ACII conference across time by computing a set of indexes. ...
  • Ruiz-Garcia, Aurelio; Subirats, Laia; Freire, Ana (2016)
    The under-representation of women in engineering is becoming a matter of concern as it has implications both for the women themselves and for the development of the digital economy sector. To address this issue, a girls ...
  • Ronzano, Francesco; Freire, Ana; Sáez-Trumper, Diego; Saggion, Horacio (CEUR Workshop Proceedings, 2016)
    The World Wide Web has become the hugest repository ever for scientific publications and it continues to increase at an unprecedented rate. Nevertheless, this information overload makes the exploration of this content a ...
  • Freire, Ana; Macdonald, Craig; Tonellotto, Nicola; Ounis, Iadh; Cacheda, Fidel (Graz University of Technology. Institut für Informationssysteme und Computer Medien (IICM), 2015)
    Large-scale search engines are built upon huge infrastructures involvingthousands of computers in order to achieve fast response times. In contrast, the energy consumed (and hence the financial cost) is also high, leading ...
  • Ríssola, Esteban A.; Ramíırez-Cifuentes, Diana; Freire, Ana; Crestani, Fabio (ACL (Association for Computational Linguistics), 2019)
    This paper describes the participation of the USI-UPF team at the shared task of the 2019 Computational Linguistics and Clinical Psychology Workshop (CLPsych2019). The goal is to assess the degree of suicide risk of ...
  • Leiva, Víctor; Freire, Ana (Springer, 2017)
    The statistics presented by the World Health Organization inform that 90% of the suicides can be attributed to mental illnesses in high-income countries. Besides, previous studies concluded that people with mental illnesses ...
  • Arapakis, Ioannis; Cambazoglu, B. Barla; Freire, Ana (ACM Association for Computer Machinery, 2017)
    The interplay between the response latency of web search systems and users’ search experience has only recently started to attract research attention, despite the important implications of response latency on monetisation ...
  • Ramíırez-Cifuentes, Diana; Freire, Ana (CEUR Workshop Proceedings, 2018)
    This paper describes the participation of the Web Science and Social Computing Research Group from the Universitat Pompeu Fabra, Barcelona (UPF) at CLEF 2018 eRisk Lab1. Its main goal, di- vided in two different tasks, is ...
  • Freire, Ana; Ruiz-Garcia, Aurelio; Moreno Oliver, Verónica (ACPI - Academic Conferences and Publishing International Limited, 2018)
    Although technology comprises an important part of our daily life, no matter your gender, women are underrepresented in the overall sector of Information and Communications Technologies (ICT). Among several reasons, the ...

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