Sérgio Nunes

Fotografia de Sérgio Nunes

Rua Dr. Roberto Frias, s/n
4200-465 Porto, Portugal

Office: Room I 229

Email: ssn at fe.up.pt.

Tel: (+351) 225 081 772


Short Bio

Sérgio Nunes is an Assistant Professor at the Faculty of Engineering of the University of Porto (FEUP), in Portugal, and a Senior Researcher at the Information and Computer Graphics Systems Unit at INESC TEC. He has a MSc in Information Management (FEUP, 2004) and a PhD in Informatics Engineering (FEUP, 2010) in the field of Information Retrieval, with a dissertation entitled "Information Retrieval on Time-Dependent Collections". His main research interests are in the fields of Information Retrieval, Information Management, Web Technologies, and Multimedia.


Comunicações Digitais e Internet (CDI), LCC.

Laboratório de Bases de Dados e Aplicações Web (LBAW), MIEIC.

Bases de Dados (BD), MIEIC.

Processamento de Linguagem e Extração de Informação (PLEI), PRODEI.

Selected Publications

The impact of time in link-based Web ranking - Sérgio Nunes, Cristina Ribeiro, Gabriel David. Information Research, Volume 18, Issue 3, September 2013.

Term Weighting based on Document Revision History - Sérgio Nunes, Cristina Ribeiro, Gabriel David. Journal of the American Society for Information Science and Technology (JASIST) Volume 62, Issue 12, pages 2471–2478, December 2011. PDF

Term Frequency Dynamics in Collaborative Articles - Sérgio Nunes, Cristina Ribeiro, Gabriel David. 10th ACM Symposium on Document Engineering (DocEng2010). September 2010. Manchester, United Kingdom. PDF

WikiChanges - Exposing Wikipedia Revision Activity - Sérgio Nunes, Cristina Ribeiro, Gabriel David. 4th International Symposium on Wikis (WikiSym 2008). September 2008. Porto, Portugal. PDF

Use of Temporal Expressions in Web Searches - Sérgio Nunes, Cristina Ribeiro and Gabriel David. 30th European Conference on Information Retrieval 2008 (ECIR'08). March 2008. Glasgow, Scotland. PDF

Using Neighbors to Date Web Documents - Sérgio Nunes, Cristina Ribeiro and Gabriel David. 9th annual ACM International Workshop on Web Information and Data Management 2007 (WIDM'07). November 2007. Lisbon, Portugal. PDF

Exploring Temporal Evidence in Web Information Retrieval. Sérgio Nunes. BCS IRSG Symposium: Future Directions in Information Access 2007. August 2007. Glasgow, Scotland. PDF