Now showing items 1-8 of 8

  • Bridging Physical and MAC Layers in Electromagnetic Nanonetworks 

    Capdevila Pujol, Joan (Universitat Politècnica de Catalunya, 2010-12-20)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Georgia Institute of Technology
    Català: En aquest projecte estudiem la comunicació entre diversos nano-dispositius que configuren una Nanoxarxa Electromagnètica sense cables. Tenint en compte les peculiaritats de la capa física, proposem un mètode d'accés ...
  • Event detection in location-based social networks 

    Capdevila Pujol, Joan; Cerquides, Jesús; Torres Viñals, Jordi (Springer, 2017)
    Part of book or chapter of book
    Open Access
    With the advent of social networks and the rise of mobile technologies, users have become ubiquitous sensors capable of monitoring various real-world events in a crowd-sourced manner. Location-based social networks have ...
  • GeoSRS: a hybrid social recommender system for geolocated data 

    Capdevila Pujol, Joan; Arias Vicente, Marta; Arratia Quesada, Argimiro Alejandro (2016-04-01)
    Article
    Open Access
    All right sreserved. We present GeoSRS, a hybrid recommender system for a popular location-based social network (LBSN), in which users are able to write short reviews on the places of interest they visit. Using state-of-the-art ...
  • Mining urban events from the tweet stream through a probabilistic mixture model 

    Capdevila Pujol, Joan; Cerquides, Jesús; Torres Viñals, Jordi (2017-08-30)
    Article
    Open Access
    The geographical identification of content in Social Networks have enabled to bridge the gap between online social platforms and the physical world. Although vast amounts of data in such networks are due to breaking news ...
  • Model-based ML for retrospective event detection 

    Capdevila Pujol, Joan; Cerquides, Jesús; Torres Viñals, Jordi (Barcelona Supercomputing Center, 2018-04-24)
    Conference report
    Open Access
  • Scaling DBSCAN-like algorithms for event detection systems in Twitter 

    Capdevila Pujol, Joan; Pericacho, Gonzalo; Torres Viñals, Jordi; Cerquides, Jesús (Springer, 2016-11-25)
    Part of book or chapter of book
    Open Access
    The increasing use of mobile social networks has lately transformed news media. Real-world events are nowadays reported in social networks much faster than in traditional channels. As a result, the autonomous detection of ...
  • Social review-based recommender systems from theory to practice 

    Capdevila Pujol, Joan (Universitat Politècnica de Catalunya, 2014-06-26)
    Master thesis
    Open Access
    Social Recommender Systems were born with the goal to mitigate the current information overload caused by the birth of Social Networks among other causes. They have enabled Internet actors (e.g. users, web browsers, sensors, ...
  • Tweet-SCAN: an event discovery technique for geo-located tweets 

    Capdevila Pujol, Joan; Cerquides, Jesús; Nin, Jordi; Torres Viñals, Jordi (Elsevier, 2017-07-01)
    Article
    Open Access
    Twitter has become one of the most popular Location-based Social Networks (LBSNs) that bridges physical and virtual worlds. Tweets, 140-character-long messages, are aimed to give answer to the What’s happening? question. ...