Publications

Journals

F Peleja, P Dias, F Martins, J Magalhães, “A recommender system for the TV on the web: integrating unrated reviews and movie ratings,” Multimedia Systems, 1-16, 2013.

J. Magalhães, S. Rüger, “Using manual and auttomated annotations to search images by semantic similarity,” Multimedia Tools and Applications, January 2012.

J. Magalhães, S. Rüger, “An information-theoretic framework for semantic-multimedia indexing,” ACM Transactions on Information Systems, vol. 28, issue 4, November 2010.

A.-S. Dadzie, A. Chakravarthy, S. Chapman, J. Iria, V. Lanfranchi, J. Magalhães, D. Petrelli, F. Ciravegna, “Applying semantic Web technologies to knowledge sharing to aerospace engineering,” Journal of Intelligent Manufacturing, vol. 20, no. 5, pp. 611-623, October 2009.

J. Magalhães, F. Pereira, “Using MPEG standards for multimedia customization,” Signal Processing: Image Communication, vol. 19, no. 5, pp. 437 – 456, May 2004.

International conferences

G. Tavares, A. Mourão, J. Magalhães, “Crowdsourcing for affective-interaction in computer games,” CrowdMM Workshop at ACM Conference on Multimedia, Barcelona, Spain, October 2013.

A. Mourão, J. Magalhães, “NovaEmotions: Playing with facial-expressions in competitive games,” ACM Conference on Multimedia, Barcelona, Spain, October 2013.

A. Mourão, P. Borges, N. Correia, J. Magalhães: Facial Expression Recognition by Sparse Reconstruction with Robust Features. ICIAR 2013: 107-115

B. Haslhofer, F. Martins, J. Magalhães: Using SKOS vocabularies for improving web search. WWW (Companion Volume) 2013: 1253-1258.

F. Peleja, P. Dias, J. Magalhães: A Regularized Recommendation Algorithm with Probabilistic Sentiment-Ratings. ICDM Workshops 2012: 701-708

F. Martins, F. Peleja, J. Magalhães, “SentiTVchat: sensing the mood of social-TV viewers,” EuroITV 2012: 161-164

J. Magalhães, S. Strover, T. Chambel, P. Viana, T. Andrade, L. Francisco-Revilla, F. Martins, N. Correia, “ImTV: Towards an Immersive TV experience,” 3rd International Workshop on Future Television at EuroITV 2012.

F. Martins, F. Peleja and J. Magalhaes, “SentiTVChat: Real-time monitoring of Social-TV feedback,” EuroITV 2012, demo.

B. Cardoso, J. Magalhães, “Google, Bing and a new perspective on ranking similarity,” ACM Conference on Information and Knowledge Management, Glasgow, UK, October 2011.

M. Teixeira, J. Magalhães, “Efficient indexing structures for fast media search and browsing,” International Workshop in Content-based Multimedia Indexing, Madrid, Spain, June 2011.

D. Delgado, J. Magalhães, N. Correia, “Assisted news reading with story illustrations,” ACM Conference on Multimedia, Florence, Italy, October 2010.

D. Delgado, J. Magalhães, N. Correia, “Automated illustration of news stories,” IEEE Conference on Semantic Computing, Pittsburg, US, September 2010.

J. Iria, J. Magalhães, “Exploiting cross-media correlations in the categorization of multimedia Web documents,” Int’l Joint Conference on Artificial Intelligence, Workshop on Cross-Media Information Access and Mining, Pasadena, CA, July 2009.

J. Magalhães, F. Ciravegna, J. Iria, “Web news indexing with a cross-media document-graph,” ACM Conference on Image and Video Retrieval, Santorini, Greece, July 2009.

J. Magalhães, F. Ciravegna, S. Rüger, “Exploring multimedia in a keyword space,” ACM Multimedia, Vancouver, Canada, November 2008.

J. Magalhães, A. Chakravarthy, A.-S. Dadzie, L. Xia, J. Iria, M. Greenwood, D. Petrelli, F. Ciravegna “Large scale cross-media knowledge sharing and reuse,” Intl Conference on Content based multimedia indexing, London, UK, June 2008.

J. Magalhães. S. Overell, S. Rüger, “Exploring image, text and geographic evidences in ImageCLEF2007,” ImageCLEF Workshop 2007, Budapest, Hungary, November 2007.

J. Iria, V. Uren, A. Lavelli, S. Blohm, A.-s. Dadzie, T. Franz, J. Magalhães, S. Nikolopoulos, C. Preisach, P. Slavazza, “Enhancing enterprise knowledge processes via cross-media extraction,” Knowledge capture conference, Whistler, BC, Canada,  October 2007.

S. Overell, J. Magalhães, S. Rüger, “GIR experiments with Forostar at GeoCLEF2007,” GeoCLEF Workshop 2007, Budapest, Hungary, September 2007.

J. Magalhães, S. Overell, S. Rüger, “A semantic vector space for query by image example,” ACM SIGIR conference on research and development in information retrieval, Multimedia Information Retrieval Workshop, Amsterdam, The Netherlands, July 2007.

J. Magalhães, S. Rüger, “High-dimensional visual vocabularies for image retrieval,” ACM SIGIR conference on research and development in information retrieval, The Netherlands, July 2007.

J. Magalhães, S. Rüger, “Information-theoretic semantic multimedia indexing,” ACM Conference on Image and Video Retrieval, best-paper award, Amsterdam, The Netherlands, July 2007.

S. Overell, J. Magalhães, A. Yavlinsky, S. Rüger, “Imperial College at TRECVID,” TRECVID Workshop 2006, Gaithersburg, USA, November 2006.

S. Overell, J. Magalhães, S. Rüger, “Place disambiguation with co-occurrence models,” GeoCLEF Workshop 2006, Alicante, Spain, September 2006.

J. Magalhães, S. Rüger, “Logistic regression of generic codebooks for semantic image retrieval,” International Conference on Image and Video Retrieval, Phoenix, AZ, USA, July 2006.

R. Jesus, J. Magalhães, A. Yavlinsky, S. Rüger, “Imperial College at TRECVID,” TRECVID Workshop 2005, Gaithersburg, USA, November 2005.

J. Magalhães, S. Rüger, “Mining multimedia salient concepts for incremental information extraction,” ACM SIGIR conference on research and development in information retrieval, Salvador, Brasil, August 2005.

D. Heesch, P. Howarth, J. Magalhães, A. May, M. Pickering, A. Yavlinsky, S. Rüger, “Video retrieval using search and browsing,” TRECVID Workshop 2004, pp 92-101, Gaithersburg, USA, November 2004.

J. Magalhães, A. David, “An end-to-end framework for mobile multimedia applications,” World Telecommunications Conference 2002, Paris, France, September 2002.

National conferences

N. Graça e J. Magalhães, “Descobrir os Flickr Diamonds Escondidos,” Conferência da Associação Nacional de Sistemas de Informação, Viseu, Portugal, Outubro 2009.

J. Magalhães, F. Pereira, “MPEG-7 based color temperature customization,” ConfTele2003, Aveiro, Portugal, July 2003.

J. Magalhães, F. Pereira, “A system for universal access to multimedia content based on the MPEG-7 standard,” ConfTele2003, Aveiro, Portugal, July 2003.

Technical reports

J. Magalhães, “Semantic multimedia information: mining, fusion and extraction,” MPhil to PhD transfer report, Imperial College London, May 2006.

Contributions to MPEG Standards

J. Magalhães, F. Pereira, on behalf of the Portuguese National Body, “Corrections and extensions to MPEG-7 coding formats,” 57th MPEG Meeting, Sydney, Australia, July 2001.

J. Magalhães, F. Pereira, “Enhacing user interaction in UMA applications,” 57th MPEG Meeting, Sydney, Australia, July 2001.

J. Magalhães, F. Pereira, “User environment characterization in UMA applications,” 55th MPEG Meeting, Pisa, Italy, January 2001.