An old picture of me, when I still had a beard

Robert Villa

I have now moved to Sheffield University. My new contact details are:

Room 307
Regent Court
The University of Sheffield
211 Portobello
Sheffield
S1 4DP, UK
Tel: +44 (0)114 222 2683
Email: R.Villa at sheffield.ac.uk

Publications

2010

Villa, R., Halvey, M., Joho, H., Hannah, D., Jose., J.M. 2010. Can an intermediary collection help users search image databases without annotations? In ACM/IEEE Joint Conference on Digital Libraries (JCDL 2010)

Hopfgartner, F., Urruty, T., Bermejo, P., Villa, R., Jose, J.M. 2010. Simulated Evaluation of Faceted Browsing based on Feature Selection. Multimedia Tools and Applications: Special Issue on Emerging Multimedia Applications, Springer Verlag, 47(3), 631--662

Bermejoa, P., Joho, H., Jose, J. M., and Villa, R. 2010. Study of context influence on classifiers trained under different video-document representations. Information Processing and Management, to appear.

Sushmita, S., Joho, H., Lalmas, M., and Villa, R. 2010. Factors Affecting Click-Through Behavior in Aggregated Search Interfaces. In Proceedings of the 19th ACM International Conference on Information and Knowledge Management (CIKM 2010), to appear, Toronto, Canada.

2009

Tuomola, M. L., Korpilahti, T., Pesonen, J., Singh, A., Villa, R., Punitha, P., Feng, Y., Jose, J.M. 2009. Concept, Content and the Convict. In Proceedings of the ACM International Conference on Multimedia, Beijing, China, October 2009

Villa, R., Jose, J.M., Joho, H., and Cantador, I. 2009. An aspectual interface for supporting complex search tasks. In Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Boston, USA, July 2009

Wilkins, P., Troncy, R., Halvey, M., Byrne, D., Amin, A., Punitha, P., Smeaton, A., Villa, R. 2009. User Variance and its Impact on Video Retrieval Benchmarking. In ACM International Conference on Image and Video Retrieval (CIVR), Santorini, Greece, July 2009

Halvey, M., Hannah, D., Punitha, P., Hopfgartner, F., Villa, R., Jose, J.M. 2009. Diversity, assortment, dissimilarity, variety: A Study of Diversity Measures using Low Level Features for Video Retrieval. In 31st European Conference on Information Retrieval (ECIR), Toulouse, France, April 2009

Bermejo, P., Joho, H., Villa, R., and Jose, J.M. 2009. Comparison of Feature Construction Methods for Video Relevance Prediction. In Proceedings of the 15th International Multimedia Modelling Conference (MMM), Sophia Antipolis, France, January 2009, 185-196

Hopfgartner, F., Urruty, T., Villa, R., Jose, J.M. 2009. Facet-Based Browsing in Video Retrieval: A Simulation-Based Evaluation. In Proceedings of the 15th International Multimedia Modelling Conference (MMM), Sophia Antipolis, France, January 2009, 472-483

Punitha, P., Misra, H., Ren, R., Hannah, D., Goyal, A., Villa, R., Jose, J. 2009. Glasgow University at TRECVID 2009. In Proceedings of the TRECVID 2009 Workshop, Gaithersburg, USA, November 2009

2008

Villa, R., Gildea, N., Jose, J.M. 2008. FacetBrowser: a user interface for complex search tasks. In Proceedings of the ACM International Conference on Multimedia, Vancouver, Canada, October 2008, 489-498

Villa, R., Gildea, N., Jose, J.M. 2008. Collaborative awareness in multimedia search. In Proceedings of the ACM International Conference on Multimedia, Vancouver, Canada, 877-880

Villa, R., Gildea, N., Jose, J.M. 2008. A Study of Awareness in Multimedia Search. In Proceedings of the Joint Conference on Digital Libraries (JCDL), Pittsburgh, Pennsylvania, USA, June 2008

Villa, R., Gildea, N., Jose, J.M. 2008. A faceted interface for multimedia search. In Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Singapore, July 2008, 775-776

Hopfgartner, F., Urruty, T., Villa, R., Gildea, N., Jose, J.M. 2008. Exploiting Log Files in Video Retrieval. In Proceedings of the Joint Conference on Digital Libraries (JCDL), Pittsburgh, Pennsylvania, USA, June 2008

Urruty, T., Hopfgartner, F., Villa, R., Gildea, N., Jose, J.M. 2008. A Cluster-based Simulation of Facet-based Search. In Proceedings of the Joint Conference on Digital Libraries (JCDL), Pittsburgh, Pennsylvania, USA, June 2008

Punitha, P., Urrutty, T., Yue, F., Halvey, M., Goyal, A., Hannah, D., Klampanos, I., Stathopoulos, V., Villa, R., Jose, J.M. 2008. Glasgow University at TRECVID 2008. In Proceedings of the TRECVID 2008 Workshop, Gaithersburg, USA, November 2008

Wilkins P., Byrne, D., Jones, G.J.F., Lee, H., Keenan, G., McGuinness, K., O'Connor, N.E., O'Hare, N., Smeaton, A., Adamek, T., Troncy, R., Amin, A., Benmokhtar, R., Dumont, E., Huet, B., Merialdo, B., Tolias, E. Spyrou, Y. Avrithis, G.Th. Papadopoulous, V. Mezaris, I. Kompatsiaris, R. Morzinger, P. Schallauer, G., Bailer, W., Chandramouli, K., Izquierdo, E., Goldmann, L., Haller, M., Samour, A., Corbet, A., Sikora, T., Praks, P., Hannah, D., Halvey, M., Hopfgartner, F., Villa, R., Punitha, P., Goyal, A., Jose, J.M. 2008. K-Space at TRECVID 2008. In Proceedings of the TRECVID 2008 Workshop, Gaithersburg, USA, November 2008

2007

Pasi, G., Bordogna, G., Villa, R. 2007. A multi-criteria content-based filtering system. In Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, Netherlands, July 2007, 775-776

Joho, H., Villa, R., Jose, J.M. 2007. Interaction Pool: Towards User Centered Test Collections. In Proceedings of the Workshop on Web Information Seeking and Interaction, SIGIR, Amsterdam, Netherlands, July 2007

Hopfgartner, F., Urban, J., Villa, R., Jose, J.M. 2007. Simulated Testing of an Adaptive Multimedia Information Retrieval System. In Proceedings of the Fifth International Workshop on Content-Based Multimedia Indexing (CBMI), Bordeaux, France, June 2007, 328-335

2006

Urban, J., Hilaire, X., Hopfgartner, F., Villa, R., Jose, J.M., Chantamunee, S., Gotoh, Y. 2006. Glasgow University at TRECVID 2006. In Proceedings of the TRECVID 2006 Workshop, Gaithersburg, USA, November 2006

Pasi, G., Bordogna, G., Villa, R. 2006. The PENG System: Practice and Experience. In DEXA Workshops FLEXDBIST 2006, 445-449

Bordogna, G., Pagani, M., Pasi, G., Villa, R. 2006. A Flexible News Filtering Model Exploiting a Hierarchical Fuzzy Categorization. In Seventh International Conference on Flexible Query Answering Systems (FQAS), Milan, Italy, June 2006, 170-184

2005

Pasi, G., Villa, R. 2005. Personalized News Content Programming (PENG): A System Architecture. In DEXA Workshops FLEXDBIST 2005, 1008-1012

2004

Villa, R., Wilson, R. and Crestani, F. 2004. Automatically Attaching Web Pages to an Ontology. In Proceedings of the International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU), Perugia, Italy, July 2004, 528-535

Villa, R., Wilson, R., and Crestani, F. 2004. An Experiment with Ontology Mapping using Concept Similarity. In Proceedings of the RIAO 2004, Avignon, France, April 2004, 773-782

Villa, R., Wilson, R. and Crestani, F. 2004. Ontology Mapping by Concept Similarity. In Proceedings of the International Conference on Digital Libraries (ICDL), New Delhi, India, February 2004, 666-674

2002

Tombros, A., Villa, R., van Rijsbergen, C.J. 2002. The effectiveness of query-specific hierarchic clustering in information retrieval. Information Processing and Management, 38(4), 559-582

2001

Villa, R., Chalmers, M. 2001. A Framework for Implicitly Tracking Data. In DELOS Workshop: Personalisation and Recommender Systems in Digital Libraries, Dublin, Ireland