Publications
- Journals
- Conferences, workshops and book chapters
- Posters and abstracts
- National publications
- PhD Theses
- Advanced Studies Diplomas
Journals
A. Bellogín, I. Cantador, F. Díez, P. Castells, and E. Chavarriaga. An Empirical Comparison of Social, Collaborative Filtering, and Hybrid Recommenders. ACM Transactions on Intelligent Systems and Technology, Special Issue on Context-Aware Movie Recomendations. In press.
M. Halvey, D. Vallet, D. Hannah, Y. Feng, and J. M. Jose. An Asynchronous Collaborative Search System for Online Video Search.
Information Processing & Management, Special Issue on Collaborative Information Seeking. In Press.
Draft version: PDF
M. Fernández, I. Cantador, V. López, D. Vallet, P. Castells, E. Motta. Semantically enhanced Information Retrieval: an ontology-based approach. Journal of Web Semantics 9(4), Special Issue on Semantic Search. December 2011.
I. Cantador, P. Castells, A. Bellogín. An Enhanced Semantic Layer for Hybrid Recommender Systems: Application to News Recommendation. International Journal on Semantic Web and Information Systems 7(1), 2011.
I. Cantador and P. Castells. Extracting Multilayered Communities of
Interest from Semantic User Profiles: Application to Group Modeling and
Hybrid Recommendations. Computers in Human Behavior 27, special issue on Social and Humanistic Computing for the Knowledge Society, July 2011, pp. 1321-1336.
Draft version: PDF
D. Vallet, F. Hopfgartner, J. M. Jose, and P.
Castells. Effects of Usage based Feedback on Video Retrieval: a Simulation based
Study. ACM Transactions on Information Systems 29(2), April 2011.
Draft version: PDF
I. Cantador, I. Konstas, and J. M. Jose. Categorising Social Tags to Improve Folksonomy-based Recommendations. Journal of Web Semantics 9(1), March 2011, pp. 1-15.
D. Vallet, F. Hopfgartner, M. Halvey, and J. M. Jose. Community Based Feedback Techniques to Improve Video Search.
Signal, Image and Video Processing 2(4), Special Issue on Multimedia Semantics, Adaptation & Personalization,
December 2008, pp. 289-306.
Draft version:
PDF
I. Cantador, A. Bellogín, and P. Castells. A Multilayer Ontology-based Hybrid
Recommendation Model. AI Communications 21(2-3), special issue on Recommender
Systems, April 2008, pp. 203-210.
Draft version: PDF
Ph. Mylonas, D. Vallet, P. Castells, M. Fernández, and Y. Avrithis.
Personalized information retrieval based on context and ontological knowledge.
Knowledge Engineering Review 23(1), special issue on Contexts and Ontologies,
March 2008, pp. 73-100.
Draft version: PDF
R. Lara, M. Corella, and P. Castells. A flexible model for the location of
services. International Journal of Electronic Commerce 12(2), Special Issue on
Semantic Matchmaking and Resource Retrieval, Winter 2007-8, pp. 11-40.
Draft version: PDF
M. Ruiz-Casado, E. Alfonseca, and P. Castells. Automatising the Learning of
Lexical Patterns: an Application to the Enrichment of WordNet by Extracting
Semantic Relationships from Wikipedia. Data and Knowledge Engineering 61(3),
June 2007, pp. 484-499.
Draft version: PDF
D. Vallet, P. Castells, M. Fernández, P. Mylonas, and Y. Avrithis.
Personalized Content Retrieval in Context Using Ontological Knowledge. IEEE
Transactions on Circuits and Systems for Video Technology 17(3),
special issue on the convergence of knowledge engineering, semantics and signal
processing in audiovisual information retrieval, March 2007, pp. 336-346.
Draft version: PDF
P. Castells, M. Fernández, and D. Vallet. An Adaptation of the Vector-Space
Model for Ontology-Based Information Retrieval. IEEE Transactions on Knowledge
and Data Engineering 19(2), Special Issue on Knowledge and Data
Engineering in the Semantic Web
Era, February 2007, pp. 261-272.
Draft version:
PDF
Conferences, workshops and book chapters
2012
S. Vargas, P. Castells, and D. Vallet. On the Suitability of Aspect Spaces for IR Diversification.
International Workshop on Diversity in Document Retrieval (DDR 2012) at the 5th ACM International Conference on Web Search and Data Mining (WSDM 2012). Seattle, Washington, USA, February 2012.
PDF
I. Cantador and P. Castells. Group Recommender Systems: New Perspectives in the Social Web. In J. J. Pazos Arias, A. Fernández Vilas, and R. P. Díaz Redondo (Eds.), Recommender Systems for the Social Web. Springer Verlag Intelligent Systems Reference Library Vol. 32, ISBN 978-3-642-25693-6, 2012.
2011
S. Vargas and P. Castells. Rank and Relevance in Novelty and Diversity Metrics for
Recommender Systems. 5th ACM International Conference on Recommender Systems (RecSys 2011). Chicago, Illinois, October 2011, pp. 109-116.
PDF
A. Bellogín, P. Castells, and I. Cantador. Precision-Based Evaluation of Recommender Systems: An Algorithmic Comparison.
5th ACM International Conference on Recommender Systems (RecSys 2011). Chicago, Illinois, October 2011.
PDF
A. Bellogín, P. Castells, and I. Cantador. Predicting the Performance of Recommender Systems: An Information Theoretic Approach. 3rd
International Conference on the Theory of Information Retrieval (ICTIR 2011). Bertinoro, Italy, September 2011.
Springer Verlag Lecture Notes in Computer Science.
PDF
I. Cantador, A. Bellogín, I. Fernández-Tobías and S. López-Hernández. Semantic Contextualization of Social Tag-based Profiles and Item Recommendations. 12th
International Conference on Electronic Commerce and Web Technologies (EC-WEB 2011). Toulouse, France, August 2011.
PDF
I. Fernández-Tobías, I. Cantador, and A. Bellogín. cTag: Semantic Contextualisation of Social Tags. International Workshop on Semantic Adaptive Social Web (SASWeb 2011), at the 19th User Modeling, Adaptation and Personalization (UMAP 2011). Girona, Spain, July 2011.
D. Vallet, M. Halvey, J. Jose and P. Castells. Applying Soft Links to Diversify Video Recommendations. 9th International Workshop on Content-Based Multimedia Indexing (CBMI 2011). Madrid, Spain, June 2011.
P. Castells, S. Vargas, and J. Wang. Novelty and Diversity Metrics for
Recommender Systems: Choice, Discovery and Relevance. International Workshop on
Diversity in Document Retrieval (DDR 2011) at the 33rd
European Conference on Information Retrieval (ECIR 2011). Dublin, Ireland, April 2011.
Paper:
PDF
Poster: PDF
A. Bellogín, J. Wang, and P. Castells. Text Retrieval Methods for Item Ranking in Collaborative Filtering. 33rd European Conference on
Information Retrieval (ECIR 2011). Dublin, Ireland, April 2011.
Springer Verlag Lecture Notes in Computer Science.
PDF
A. Bellogín, I. Cantador, P. Castells, and Á. Ortigosa. Discerning Relevant Model Features in a Content-based Collaborative Recommender System. In J. Fürnkranz and E. Hüllermeier (Eds.), Preference Learning. Springer Verlag, ISBN 978-3-642-14124-9, 2011, pp. 429-456.
2010
I. Cantador, A. Bellogín, and D. Vallet. Content-based Recommendation in Social Tagging Systems.
4th ACM Conference on Recommender
Systems (RecSys 2010). Barcelona, Spain, September 2010, pp. 237-240.
PDF
A. Bellogín, I. Cantador, and P. Castells. A Study of Heterogeneity in Recommendations for a Social Music Service. Workshop on Information Heterogeneity and Fusion in Recommender Systems (HetRec 2010), at the
4th ACM Conference on Recommender
Systems (RecSys 2010). Barcelona, Spain, September 2010, pp. 1-8.
PDF
F. Díez, J. E. Chavarriaga, P. G. Campos, and A. Bellogín. Movie Recommendations Based on Explicit and Implicit Features Extracted from the Filmtipset Dataset. Workshop on Context-Aware Movie Recommendation (CAMRa 2010), at the
4th ACM Conference on Recommender
Systems (RecSys 2010). Barcelona, Spain, September 2010, pp. 42-52.
PDF
P. G. Campos, A. Bellogín, F. Díez, and J. E. Chavarriaga. Simple Time-biased KNN-based Recommendations. Workshop on Context-Aware Movie Recommendation (CAMRa 2010), at the
4th ACM Conference on Recommender
Systems (RecSys 2010). Barcelona, Spain, September 2010, pp. 20-23.
PDF
I. Cantador and J. M. Conde. A Simple E-learning System based on Classroom
Competition. 5th European Conference on
Technology Enhanced Learning (EC-TEL 2010). Barcelona, Spain, September 2010,
pp. 488-493. Springer Verlag Lecture Notes in Computer Science, Vol. 6383, ISBN
978-3-642-16019-6.
PDF
D. Vallet, I. Cantador, and J. M. Jose. Personalizing Web Search with Folksonomy-based User
and Document Profiles.
32nd European Conference on
Information Retrieval (ECIR 2010). Milton Keynes, UK, March 2010.
Springer Verlag Lecture Notes in Computer Science, Vol. 5993, ISBN
978-3642122743.
PDF
A. Bellogín and P. Castells. A
Performance Prediction Approach to Enhance Collaborative Filtering Performance.
32nd European Conference on
Information Retrieval (ECIR 2010). Milton Keynes, UK, March 2010.
Springer Verlag Lecture Notes in Computer Science, Vol. 5993, ISBN
978-3642122743, pp. 382-393.
PDF
D. Vallet, I. Cantador, and J. M. Jose. Exploiting External Knowledge to Improve Video Retrieval. 11th ACM SIGMM International Conference on
Multimedia Information Retrieval (MIR 2010). Philadelphia, Pensylvania, US, March 2010.
PDF
D. Vallet, M. Halvey, D. Hannah, and J. M. Jose. A Multi Faceted
Recommendation Approach for Explorative Video Retrieval Tasks. 14th
ACM International Conference on Intelligent User Interfaces (IUI 2010). Hong
Kong, China, February 2010.
PDF
2009
D. Vallet, I. Cantador, and J. M. Jose. Exploiting Social Tagging Profiles to
Personalize Web Search. 8th International
Conference on Flexible Query Answering Systems (FQAS 2009). Roskilde, Denmark,
October 2009. Springer Verlag Lecture Notes in Computer Science, Vol. 5822, ISBN
978-3-642-04956-9, pp. 629-640.
PDF
A. Bellogín and P. Castells. Predicting Neighbor Goodness in
Collaborative Filtering. 8th International
Conference on Flexible Query Answering Systems (FQAS 2009). Roskilde, Denmark,
October 2009. Springer Verlag Lecture Notes in Computer Science, Vol. 5822, ISBN
978-3-642-04956-9, pp. 605-616.
PDF
I. Cantador, D. Elliott, and J. M. Jose. A Case Study of Exploiting Data
Mining Techniques for an Industrial Recommender System. 1st
International Workshop on Recommender-based Industrial Applications (INDREC
2009), at the 3rd ACM Conference on
Recommender Systems (RecSys 2009). New York, October 2009.
PDF
I. Cantador and P. Castells. Semantic Contextualisation in
a News Recommender System. Workshop on Context-Aware Recommender Systems (CARS
2009) at the 3rd ACM Conference on Recommender Systems (RecSys 2009).
New York, October 2009.
PDF
I. Cantador, D. Vallet, and J. M. Jose. Measuring Vertex Centrality in
Co-occurrence Graphs for Online Social Tag Recommendation. ECML PKDD 2009
Discovery Challenge, at the 9th European
Conference on Machine Learning and Principles and Practice of Knowledge
Discovery in Databases (ECML PKDD 2009). Bled, Slovenia, September 2009.
PDF
M. Halvey, D. Vallet, D. Hannah, J. M. Jose. ViGOR: a grouping oriented interface for search and retrieval in video libraries.
9th ACM/IEEE-CS joint conference on Digital libraries (JCDL 2009). Austin, TX, US, June 2009, pp. 87-96.
PDF
R. Villa, I. Cantador, H. Joho, and J. M. Jose. An Aspectual Interface for
Supporting Complex Search Tasks. 32nd
Annual International ACM Conference on Research and Development in Information
Retrieval (SIGIR 2009). Boston, Massachusetts, USA, July 2009, pp. 379-386.
PDF
M. Fernández, V. López, M. Sabou, V. Uren, D. Vallet, E. Motta, and P.
Castells. Using TREC for cross-comparison between classic IR and ontology-based
search models at a Web scale. Workshop on Semantic Search (SemSearch 2009), at
the 18th International World Wide Web
Conference (WWW 2009). Madrid, Spain, April 2009.
PDF
2008
I. Cantador, A. Bellogín, and P. Castells. Ontology-based Personalised and
Context-aware Recommendations of News Items. IEEE/WIC/ACM International
Conference on Web Intelligence (WI 2008). Sydney, Australia, December 2008.
PDF
F. Hopfgartner, D. Vallet, M. Halvey, J. Jose. Search Trails using User Feedback to Improve Video
Search. ACM International Multimedia Conference (ACM-MM 2008).Vancouver, Canada, October 2008.
PDF
M. Szomszor, H. Alani, I. Cantador, K. O'Hara, and N. Shadbolt. Semantic
Modelling of User Interests based on Cross-Folksonomy Analysis. 7th
International Semantic Web Conference (ISWC 2008). Karlsruhe, Germany, October
2008. Springer Verlag Lecture Notes in Computer Science.
PDF
A. Bellogín, I. Cantador, P. Castells, and A. Ortigosa. Discovering Relevant Preferences in a Personalised
Recommender System using Machine Learning Techniques. Preference Learning Workshop (PL 2008), at the
8th European Conference on Machine Learning and Principles and Practice of Knowledge
Discovery in Databases (ECML PKDD 2008). Antwerp, Belgium, September 2008,
pp. 82-96.
PDF
M. Fernández, V. López, M. Sabou, V. Uren, D. Vallet, E. Motta,
and P. Castells. Semantic Search meets the Web. 2nd
IEEE International Conference on Semantic Computing (ICSC 2008). Santa Clara,
CA, USA, August 2008.
PDF
I. Cantador, A. Bellogín, and P. Castells. News@hand: A
Semantic Web Approach to Recommending News. 5th International
Conference on Adaptative Hypermedia (AH 2008). Hannover, Germany, July 2008.
Springer Verlag Lecture Notes in Computer Science, Vol. 5149, ISBN
978-3-540-70984-8, pp. 279-283.
PDF
M. Szomszor, I. Cantador, and H. Alani.
Correlating User Profiles from Multiple Folksonomies.
19th
ACM Conference on Hypertext and Hypermedia (Hypertext 2008). Pittsburgh, Pennsylvania, USA, June 2008.
PDF
I. Cantador, M. Szomszor, H. Alani, M. Fernández, and P. Castells.
Enriching Ontological User Profiles with Tagging History for Multi-Domain Recommendations.
1st
International Workshop on Collective Semantics: Collective Intelligence and the Semantic Web (CISWeb 2008),
at the 5th European Semantic Web Conference (ESWC 2008). Tenerife, Spain,
June 2008, pp. 5-19.
PDF
D. Vallet, F. Hopfgartner, and J. Jose. Use of Implicit Graph for Recommending
Relevant Videos: A Simulated Evaluation. 30th
European Conference on Information Retrieval (ECIR 2008). Glasgow, Scotland,
April 2008. Springer Verlag Lecture Notes in Computer Science.
PDF
C. Dolbear, P. Hobson, D. Vallet, M. Fernández, I. Cantador, and P. Castells. Personalised Multimedia Summaries. In Y. Kompatsiaris and P. Hobson (Eds.), Semantic Multimedia and Ontologies. Springer Verlag, ISBN 978-1-84800-075-9, March 2008, pp. 165-184.
I. Cantador, M. Fernández, D. Vallet, P. Castells, J. Picault, and M.
Ribière. A Multi-Purpose Ontology-Based Approach for Personalised Content
Filtering and Retrieval. In M. Wallace, M. Angelides, and Ph. Mylonas (Eds.),
Advances in Semantic Media Adaptation and Personalization. Springer Verlag Studies in Computational Intelligence,
Vol. 93, ISBN 978-3-540-76359-8, February 2008, pp. 25-52.
Draft version:
PDF
I. Cantador, F. López, J. Bescós, P. Castells, and J. M. Martínez.
Enhanced Descriptions for Personalized Retrieval and Automatic Adaptation of Audiovisual Content Retrieval.
In J. J. Pazos-Arias, C. Delgado, and M. López (Eds.), Personalization of Interactive Multimedia Services: A Research and Development Perspective, ISBN 978-1-60456-680-2,
October 2008.
PDF
2007
R. Lara, I. Cantador, and P. Castells. Semantic Web Technologies for the
Financial Domain. In J. Cardoso, M. Hepp, and M. D. Lytras (Eds.), Real-world
Applications of Semantic Web Technology and Ontologies. Springer Verlag, ISBN
0387485309, 2007, pp. 41-74.
Draft version:
PDF
J. Tejedor, R. García, M. Fernández, F. J. López, F. Perdrix, J. A. Macías,
R. M. Gil, M. Oliva, D. Moya, J. Colás, and P. Castells. Ontology-Based
Retrieval of Human Speech. 6th
International Workshop on Web Semantics (WebS 2007) at the 18th
International Conference on Database and Expert Systems Applications (DEXA
2007). Regensburg, Germany, September 2007.
PDF
I. Cantador, P. Castells, and A. Bellogín. Modelling Ontology-based
Multilayered Communities of Interest for Hybrid Recommendations. 1st
Workshop on Adaptation and Personalization in Social Systems: Groups, Teams,
Communities (SociUM 2007) at the 11th International
Conference on User Modeling (UM 2007). Corfu, Greece, June 2007.
PDF
I. Cantador, M. Fernández, and P. Castells. Improving Ontology Recommendation and Reuse in WebCORE
by Collaborative Assessments. Workshop on Social and
Collaborative Construction of Structured Knowledge at the 16th
International World Wide Web Conference (WWW 2007). Banff, Canada, May 2007.
PDF
2006
D. Vallet, I. Cantador, M. Fernández, and P. Castells. A Multi-Purpose
Ontology-Based Approach for Personalized Content Filtering and Retrieval. 1st
International Workshop on Semantic Media Adaptation and Personalization (SMAP
2006). Athens,
Greece, December 2006.
PDF
R. Lara, I. Cantador, and P. Castells. XBRL taxonomies and OWL ontologies for investment funds.
1st International Workshop on Ontologizing Industrial Standards
(OIS 2006), at the 25th International Conference on Conceptual
Modeling (ER 2006). Tucson, Arizona, November 2006.
Springer Verlag Lecture Notes in Computer Science,
Vol. 4231, ISBN 978-3-540-47703-7, pp. 271-280.
PDF
I. Cantador and P. Castells. Multilayered Semantic Social Network Modeling by Ontology-Based User Profiles Clustering: Application to Collaborative Filtering. 15th
International Conference on Knowledge Engineering and Knowledge Management (EKAW 2006). Podebrady, Czech Republic, October 2006.
Springer Verlag Lecture Notes in Computer Science,
Vol. 4248, ISBN 3-540-46363-1, pp. 334-349.
PDF
M. A. Corella and P. Castells. A Heuristic Approach to Semantic Web Services Classification.
10th International Conference on Knowledge-Based & Intelligent
Information & Engineering Systems (KES 2006), Invited Session on Engineered Applications of Semantic
Web (SWEA). Bournemouth, UK, October 2006. Springer Verlag Lecture Notes in Computer Science, Vol. 4253, ISBN 978-3-540-46542-3, pp. 598-605.
PDF
J. M. Fuentes, J. E. López de Vergara, and P. Castells. An Ontology-Based Approach to the Description
and Execution of Composite Network Management Processes for Network Monitoring. 17th
IFIP/IEEE International Workshop on Distributed Systems: Operations and Management Large Scale Management (DSOM 2006).
Dublin, Ireland, October 2006. Springer Verlag Lecture Notes in Computer Science, Vol. 4269, ISBN 978-3-540-47659-7,
pp. 86-97.
PDF
R. Lara, M. A. Corella, and P. Castells. A Flexible Model for Web Service Discovery. 1st International
Workshop on Semantic Matchmaking and Resource Retrieval: Issues and Perspectives (SMR 2006)
at the 32nd International Conference on Very Large Data Bases (VLDB 2006). Seoul, Korea, September 2006.
PDF
M. A. Corella and P. Castells. Semantic-based Taxonomic Categorization of Web Services. 1st International
Workshop on Semantic Matchmaking and Resource Retrieval: Issues and Perspectives (SMR 2006)
at the 32nd International Conference on Very Large Data Bases (VLDB 2006). Seoul, Korea, September 2006.
Extended version: PDF
M. A. Corella and P. Castells. Semi-Automatic Semantic-Based Web Service Classification. International Workshop
on Advances in Semantics for Web Services (semantics4ws 2006) at the 4th
International Conference on Business Process Mangement (BPM 2006). Vienna, Austria, September 2006. Springer Verlag Lecture Notes in Computer Science, Vol. 4103,
ISBN 978-3-540-38444-1, pp. 459-470.
PDF
D. Vallet, M. Fernández, P. Castells, P. Mylonas, and Y. Avrithis. A contextual personalization approach based on
ontological knowledge. International Workshop on Context and Ontologies: Theory, Practice and Applications (C&O 2006)
at the 17th European Conference on Artificial Intelligence (ECAI 2006). Riva del
Garda, Italy, August 2006.
PDF
I. Cantador, M. Fernández, and P. Castells. A Collaborative Recommendation Framework for Ontology Evaluation and Reuse.
International Workshop on Recommender Systems at the 17th European Conference on
Artificial Intelligence (ECAI 2006). Riva del Garda, Italy, August 2006.
PDF
D. Vallet, M. Fernández, P. Castells, P. Mylonas, and Y. Avrithis. Personalized Information Retrieval in Context.
3rd International Workshop on Modeling and Retrieval of Context (MRC 2006) at
the 21st National Conference on Artificial Intelligence (AAAI 2006). Boston, USA, July 2006.
PDF
E. Alfonseca, M. Ruiz-Casado, M. Okumura, and P. Castells. Towards Large-scale Non-taxonomic Relation Extraction:
Estimating the Precision of Rote Extractors. 2nd Workshop on Ontology Learning
and Population (OLP2) at the joint conference of the
International Committee on Computational Linguistics and the Association for
Computational Linguistics (COLING / ACL 2006). Sydney,
Australia, July 2006.
PDF
I. Cantador and P. Castells. Building Emergent Social Networks and Group Profiles by Semantic User Preference Clustering.
International Workshop on Semantic Network Analysis (SNA 2006) at the 3rd European
Semantic Web Conference (ESWC 2006). Budva, Montenegro, June 2006.
PDF
M. Ruiz-Casado, E. Alfonseca, and P. Castells. From Wikipedia to Semantic Relationships: a Semi-automated Annotation Approach.
1st Workshop on Semantic Wikis: From Wiki to Semantics, at the 3rd
European Semantic Web Conference (ESWC 2006). Budva, Montenegro, June 2006.
PDF
I. Cantador, P. Castells, and D. Vallet. Enriching Group Profiles with Ontologies for Knowledge-Driven Collaborative Content Retrieval.
1st International Workshop on Semantic Technologies in Collaborative Applications (STICA 2006), at
the 15th IEEE International Workshops on Enabling Technologies: Infrastructures for Collaborative
Enterprises (WETICE 2006). Manchester, UK, June 2006.
PDF
I. Cantador and P. Castells. Multilayered Ontology-Based User Profiles and Semantic Social Networks for Recommender Systems.
2nd International Workshop on Web Personalisation, Recommender Systems and Intelligent User
Interfaces (WPRSIUI 2006) at the 4th International Conference on Adaptive Hypermedia and Adaptive
Web-Based Systems (AH 2006). Dublin, Ireland, June 2006.
PDF
M. Fernández, I. Cantador, and P. Castells. CORE: A Tool for Collaborative Ontology Reuse and Evaluation. 4th
International Workshop on Evaluation of Ontologies for the Web (EON 2006) at the 15th International
World Wide Web Conference (WWW 2006). Edinburgh, UK, May 2006.
PDF
A. Evans, M. Fernández, D. Vallet, and P. Castells. Adaptive Multimedia
Access: From User Needs to Semantic Personalisation. IEEE International
Symposium on Circuits and Systems (ISCAS 2006). Kos, Greece, May 2006.
PDF
M. Fernández, D. Vallet, and P. Castells. Probabilistic Score Normalization for Rank Aggregation. 28
th European Conference on Information Retrieval (ECIR 2006). London,
UK, April 2006. Springer Verlag Lecture Notes in Computer Science, Vol. 3936,
ISBN 3-540-33347-9, pp. 553-556.
PDF
P. Castells, F. Perdrix, E. Pulido, M. Rico, J. M. Fuentes, V. R. Benjamins, J. Contreras, E. Piqué, J. Cal, J. Lorés,
and T. Granollers. Newspaper Archives on the Semantic Web. In R. Navarro-Prieto
and J. Lorés-Vidal (Eds.), HCI related papers of Interacción 2004. Springer Verlag,
ISBN 1-4020-4204-3, 2006, pp. 267-276.
PDF
2005
D. Vallet, M. Fernández, and P. Castells. The Quest for Information Retrieval on The Semantic Web. Upgrade 6 (6),
Monograph: The Semantic Web. December 2005, pp. 19-23.
PDF
P. Castells, M. Fernández, D. Vallet, P. Mylonas, and Y. Avrithis. Self-Tuning Personalized Information Retrieval
in an Ontology-Based Framework. 1st IFIP WG 2.12 & WG 12.4 International Workshop
on Web Semantics (SWWS 2005). Agia Napa, Cyprus, November 2005.
Springer Verlag Lecture Notes in
Computer Science, Vol. 3762, ISBN: 3-540-29739-1, pp. 977-986.
PDF
J. M. Fuentes, M. A. Corella, P. Castells, and M. Rico. Semi-automatic Web Service Generation. IADIS WWW/Internet
Conference (ICWI 2005). Lisbon, Portugal, October 2005.
PDF
D. Vallet, P. Mylonas, M. A. Corella, J. M. Fuentes, P. Castells, and Y. Avrithis. A Semantically-Enhanced
Personalization Framework for Knowledge-Driven Media Services. IADIS WWW/Internet Conference (ICWI 2005). Lisbon, Portugal, October 2005.
PDF
M. Ruiz-Casado, E. Alfonseca, and P. Castells. Using Context-window Overlapping in Synonym Discovery and Ontology
Extension. International Conference on Recent Advances in Natural Language Processing (RANLP 2005). Borovets,
Bulgaria, September 2005.
PDF
E. Alfonseca and M. Ruiz-Casado. Learning Sure-fire Rules for Named Entity Recognition. International
Workshop on Text Mining Research, Practice and Opportunities,
at the International Conference on Recent Advances in Natural Language Processing (RANLP 2005).
Borovets, Bulgaria, September 2005.
PDF
J. M. Gómez, M. Rico, F. García-Sánchez, and C. J. Acuña. The Semantic Web
Services Tetrahedron: Achieving Integration with Semantic Web Services.
International Conference on Web Engeneering (ICWE 2005). Sydney, Australia,
August 2005. Springer Verlag Lecture Notes in
Computer Science, Vol. 3579, ISBN: 3-540-27996-2, pp. 334-339.
PDF
M. A. Corella, J. M. Fuentes, and P. Castells. Semi-automatic Web Service Generation and Classification.
2nd International Workshop on Semantic and Dynamic Web Processes (SDWP 2005).
Orlando, Florida, July 2005.
PDF
M. Ruiz-Casado, E. Alfonseca, and P. Castells. Automatic Assignment of Wikipedia Encyclopedic Entries to WordNet Synsets.
3rd Atlantic Web Intelligence Conference (AWIC 2005). Lodz, Poland,
June 2005. Springer Verlag Lecture Notes in Computer Science, Vol. 3528, pp. 380-386.
PDF
M. Ruiz-Casado, E. Alfonseca, and P. Castells. Automatic
Extraction of Semantic Relationships for WordNet by means of Pattern Learning
from Wikipedia. 10th International Conference on Application of
Natural Language to Information Systems (NLDB 2005). Alicante, Spain, June
2005. Springer Verlag Lecture Notes in Computer Science,
Vol 3513, pp. 67-79.
PDF
D. Vallet, M. Fernández,
and P. Castells. An Ontology-Based Information Retrieval Model. 2nd
European Semantic Web Conference (ESWC 2005). Heraklion, Greece, May 2005. Springer Verlag Lecture Notes in Computer Science, Vol.
3532, ISBN: 3-540-26124-9, 2005, pp. 455-470.
PDF
2004
J. M. Gómez, M. Rico, F. García-Sánchez, R. Martínez-Béjar, and C. Bussler. GODO: Goal-driven orchestration for
Semantic Web Services. 1st Workshop on Web Services Modeling Ontology
Implementations (WIW 2004). Frankfurt, Germany, September 2004.
PDF
P. Castells, F. Perdrix, E. Pulido, M. Rico, R. Benjamins, J. Contreras,
and J. Lorés. Neptuno: Semantic Web Technologies for a Digital Newspaper Archive. 1st
European Semantic Web Symposium (ESWS 2004). Heraklion, Greece, May 2004. Springer Verlag Lecture Notes in
Computer Science, Vol. 3053, ISBN: 3-540-21999-4, pp. 445-458.
PDF
P. Castells, B. Foncillas, R. Lara, M. Rico, and J. L. Alonso. Semantic Web Technologies for Economic and
Financial Information Management. 1st
European Semantic Web Symposium (ESWS 2004). Heraklion, Greece, May 2004.
Springer Verlag Lecture
Notes in Computer Science, Vol. 3053, ISBN: 3-540-21999-4, pp. 473-487.
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Posters and abstracts
2011
A. Bellogín, J. Wang, and P. Castells. Structured Collaborative Filtering.
20th ACM Conference on Information and Knowledge Management (CIKM 2011), Poster Session.
Glasgow, UK, October 2011.
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A. Bellogín, P. Castells and I. Cantador. Self-adjusting Hybrid Recommenders
Based on Social Network Analysis. 34th
Annual International ACM SIGIR Conference on Research and Development in
Information Retrieval (SIGIR 2011), Poster Session.
Beijing, China, July 2011.
Paper: PDF
Poster: PDF
D. Vallet and P. Castells. On Diversifying and Personalizing Web Search. 34th
Annual International ACM SIGIR Conference on Research and Development in
Information Retrieval (SIGIR 2011), Poster Session.
Beijing, China, July 2011.
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S. Vargas, P. Castells and D. Vallet. Intent-Oriented Diversity in
Recommender Systems. 34th Annual
International ACM SIGIR Conference on Research and Development in Information
Retrieval (SIGIR 2011), Poster Session. Beijing,
China, July 2011.
Paper: PDF
Poster: PDF
A. Bellogín. Performance Prediction in Recommender Systems. 19th
User Modeling, Adaptation and Personalization (UMAP 2011), Doctoral Consortium. Girona, Spain, July 2011.
In press.
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2010
J. Conde, D. Vallet, P. Castells. Inferring User Intent in Web Search by
Exploiting Social Annotations. 33rd Annual
International ACM Conference on Research and Development in Information
Retrieval (SIGIR 2010), Poster Session. Geneva, Switzerland, July 2010.
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2008
D. Vallet and H. Zaragoza. Inferring the Most Important Types of a Query: a Semantic Approach. 31st
Annual International ACM Conference on Research and Development in Information Retrieval (SIGIR 2008), Poster Session. Singapore, July 2008.
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2007
V. López, M. Fernández, E. Motta, M. Sabou, V. Uren. Question Answering on
the Real Semantic Web. Demo at the 6th International Semantic Web Conference (ISWC 2007).
Busan, Korea, November 2007.
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I. Cantador, M. Fernández, and P. Castells. Improving Ontology Recommendation and Reuse in WebCORE
by Collaborative Assessments. Demo at the Workshop on Social and
Collaborative Construction of Structured Knowledge at the 16th
International World Wide Web Conference (WWW 2007). Banff, Canada, May 2007.
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2006
M. Fernández, D. Vallet, and P. Castells. Using Historical Data to Enhance
Rank Aggregation. 29th Annual International
ACM Conference on Research and Development in Information Retrieval (SIGIR
2006), Poster Session. Seattle, WA, August 2006.
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E. Alfonseca, P. Castells, M. Okumura, and M. Ruiz-Casado. A Rote
Extractor with Edit Distance-based Generalisation and Multi-corpora Precision
Calculation. Joint conference of the International
Committee on Computational Linguistics and the Association for Computational
Linguistics (COLING / ACL 2006). Sydney, Australia, July
2006.
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E. Alfonseca, A. Moreno-Sandoval, J. M. Guirao, and M. Ruiz-Casado. The Wraetlic NLP Suite.
5th International Conference
on Language Resources and Evaluation (LREC 2006). Genova, Italy, May 2006.
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M. Fernández, D. Vallet, and P. Castells. Probabilistic Score Normalization
for Rank Aggregation. 28th European
Conference on Information Retrieval (ECIR 2006). London, April 2006.
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2005
M. Fernández, D. Vallet, and P. Castells. Automatic Annotation and Semantic
Search from Protégé. Demo at the 8th
International Protégé Conference. Madrid, Spain, July 2005.
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2004
M. Ruiz-Casado, E. Alfonseca, P. Castells. Automatic
Inference of Word Meaning Using Phonosemantic Patterns. 2nd International
Semantic Web Conference (ISWC 2004). Hiroshima, Japan, November 2004.
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M. Rico and P. Castells. Jacinta: A proposal of mediator agent for Human-Agent interaction in Semantic Web Services. 3rd International Semantic Web Conference (ISWC 2004), Poster Session. Hiroshima, Japan, November 2004.
2003
J. L. Alonso, C. Carranza, P. Castells, B. Foncillas, R. Lara, and M. Rico.
Semantic Web Technologies for Economic and Financial Information Management. 2nd
International Semantic Web Conference (ISWC 2003), Poster Session. Fort Myers,
Florida, October 2003.
Abstract: PDF
Poster:
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2002
P. Castells and J. A. Macías. Context-Sensitive User Interface Support for
Ontology-Based Web Applications. 1st
International Semantic Web Conference (ISWC 2002), Poster Session. Sardinia,
Italy, June 2002.
Abstract: PDF
Poster:
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National publications
2010
S. López, F. Díez. Sobre la distribución de scores de documentos relevantes y
no-relevantes: un problema abierto. I Congreso Español de Recuperación de
Información. Madrid, junio 2010.
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P. G. Campos, F. Díez. La Temporalidad en los Sistemas de Recomendación: Una
revisión actualizada de propuestas teóricas. I Congreso Español de Recuperación
de Información. Madrid, junio 2010.
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J. Conde, D. Vallet, P. Castells. Contextualización de Búsqueda Web Mediante
el Uso de Anotaciones Sociales. I Congreso Español de Recuperación de
Información. Madrid, junio 2010.
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2009
P. Castells. Búsqueda semántica basada en conocimiento del dominio. In
Verdejo, F. (Ed.), Acceso y viabilidad de la información multilingüe en la red:
el rol de la semántica. Editorial UNED, ISBN
978-84-362-5609-3, 2009.
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2006
F. Díez, J. M. Fuentes, A. Valera, P. Castells, A. Díez, A. Cortés, R. Gil.
AVICENA: Gestión Guiada de Procesos en la atención sanitaria. XI Congreso
Nacional de Informática Médica (Informed 2006). Murcia, noviembre 2006.
Poster:
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F. Díez, J. M. Fuentes, A. Valera, P. Castells, A. Díez, A. Cortés, R. Gil.
AVICENA: Propuesta del modelo SCPG para la formalización de GPC con información
semántica. XI Congreso Nacional de Informática Médica (Informed 2006). Murcia,
noviembre 2006.
Poster:
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2005
J. M. Fuentes, M. A. Corella, P. Castells, M. Rico. Generación semi-automática de servicios web.
I Jornadas Científico-Técnicas en Servicios Web (JSWEB 2005). Granada, septiembre 2005.
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M. Rico, P. Castells. Jacinta, primeros pasos hacia la interacción entre personas y Servicios Web Semánticos.
VI Congreso en Interacción Persona-Ordenador (Interacción 2005). Granada, septiembre 2005.
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2004
P. Castells, E. Pulido, C. Carranza, M. Rico, F. Perdrix, E. Piqué, J. Cal, R. Benjamins, J. Contreras, J. Lorés,
T. Granollers. Neptuno: tecnologías de la web semántica para una hemeroteca digital. V Congreso en Interacción
Persona-Ordenador (Interacción 2004). Lleida, mayo 2004, ISBN: 84-609-1266-3, pp. 306-313.
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F. Perdrix, E. Piqué, J. Cal, P. Castells, E. Pulido, M. Rico, J. Lorés, T. Granollers, M. González, J. Badia.
Uso de escenarios aplicados a la Ingeniería de los Requisitos para la creación de una hemeroteca digital. V Congreso
en Interacción Persona-Ordenador (Interacción 2004). Lleida, mayo 2004, ISBN: 84-609-1266-3, pp. 130-133.
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J. Bravo, C. Carranza, P. Castells, J. M. Fuentes, M. Rico, J. L. Alonso, B. Foncillas, J. M. Rodríguez, R. Lara.
Aplicación de tecnologías de la Web Semántica a la gestión de información financiera y económica. V Congreso en
Interacción Persona-Ordenador (Interacción 2004). Lleida, mayo 2004, ISBN: 84-609-1266-3, pp. 326-329.
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2003
P. Castells. La web semántica. En: C. Bravo y M. A. Redondo (Eds.), Sistemas Interactivos y Colaborativos en la Web.
Ediciones de la Universidad de Castilla - La Mancha, 2003, ISBN: 84-8427-352-0, pp. 195-212.
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2002
P. Castells. Aplicación de técnicas de la web semántica. Workshop de investigación en entornos de interacción
colectiva (COLINE'02). Granada, noviembre 2002.
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P. Castells y J. A. Macías. Un sistema de presentación dinámica en entornos web para representaciones
personalizadas del conocimiento. Revista Iberoamericana de Inteligencia Artificial No. 16 (2002). AEPIA, 2002, pp. 25-34.
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