Paula Vaz Lobo


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Paula Cristina Vaz

Paula Cristina Vaz graduated in Systems and Informatics Engineering in 1994 from Universidade do Minho (UM), Braga. She received an MSc degree in 1999, on compiler generators from UM. She was a lecturer at University Lusófona and Instituto Politécnico de Setubal, teaching Programming Languages and worked at Altitude. She is currently a researcher at the Spoken Language Systems Lab (L2F) of INESC-ID where she was co-developping a dependency grammar for the portuguese language. Her current research interests are recommendation systems.

Research Interests

  • Recommendation Systems
    • Content-based recommendation systems
    • Collaborative filtering
    • Hybrid systems
    • Aggregation policies
  • Authorship detection and Stylometry
  • Information Retrieval


International Journals


International Conferences


  • Paula Cristina Vaz, Ricardo Ribeiro, David Martins de Matos, Understanding Temporal Dynamics of Ratings in the Book Recommendation Scenario, In International Conference on Information Systems and Design of Communication, ACM, series ISDOC 2013, pages 11-15, doi: 10.1145/2503859.2503862, Lisboa, Portugal, July 2013


  • Paula Cristina Vaz, Ricardo Ribeiro, David Martins de Matos, LitRec vs. Movielens: A Comparative Study, In International Conference on Knowledge Discovery and Information Retrieval (KDIR 2012), Barcelona, Spain, October 2012
  • Paula Cristina Vaz, David Martins de Matos, Bruno Martins, Stylometric Relevance-feedback towards a Hybrid Book Recommendation Algorithm, In BooksOnline’12 - Online Books, Complementary Social Media (workshop in conjunction with CIKM’12), Maui, Hawaii, USA, October 2012


  • Paula Cristina Vaz, David Martins de Matos, Incremental Genre Detection for Recommendation in the Long Tail, In LTC11 - 5th Language & Technology Conference, Poznań, Poland, November 2011



Technical Reports


Doctoral Theses


  • Paula Cristina Vaz, Cascade Book Recommendation, PhD thesis, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal, May 2018

Other Publications


Ongoing Projects

redirect Paula Cristina Vaz Lobo