Ro Bellogín, Iván Cantador, Pablo Castells, Álvaro Ortigosa, Escuela Politécnica
Abstract. Personalised recommender systems learn about a user’s needs, and identify and suggest information items (news articles, images, videos, etc.) that meet those needs. User needs can be...
Enriching Ontological User Profiles with Tagging History for Multi-Domain Recommendations (2009)
Iván Cantador, Martin Szomszor, Harith Alani, Miriam Fernández, Pablo Castells
{mns2, ha} @ ecs.soton.ac.uk Abstract. Many advanced recommendation frameworks employ ontologies of various complexities to model individuals and items, providing a mechanism for the expression of...
Correlating User Profiles from Multiple Folksonomies (2008)
Szomszor, Martin, Cantador, Iván, Alani, Harith
As the popularity of the web increases, particularly the use of social networking sites and Web2.0 style sharing platforms, users are becoming increasingly connected, sharing more and more...
Correlating User Profiles from Multiple Folksonomies (2008)
Szomszor, Martin, Cantador, Iván, Alani, Harith
As the popularity of the web increases, particularly the use of social networking sites and Web2.0 style sharing platforms, users are becoming increasingly connected, sharing more and more...
Enriching Ontological User Profiles with Tagging History for Multi-Domain Recommendations (2008)
Cantador, Iván, Szomszor, Martin, Alani, Harith, Fernández, Miriam, Castells, Pablo
Many advanced recommendation frameworks employ ontologies of various complexities to model individuals and items, providing a mechanism for the expression of user interests and the representation of...
Enriching Ontological User Profiles with Tagging History for Multi-Domain Recommendations (2008)
Cantador, Iván, Szomszor, Martin, Alani, Harith, Fernández, Miriam, Castells, Pablo
Many advanced recommendation frameworks employ ontologies of various complexities to model individuals and items, providing a mechanism for the expression of user interests and the representation of...
Building Emergent Social Networks by Semantic User Preference Clustering (2008)
Abstract. This paper presents a novel approach to automatic semantic social network construction based on semantic user preference clustering. Considering a number of users, each of them with an...
Chapter 1 SEMANTIC WEB TECHNOLOGIES FOR THE FINANCIAL DOMAIN (2008)
Rubén Lara, Iván Cantador, Pablo Castells
Abstract: Data, information and knowledge management are key activities in modern economies, and considerable efforts and resources are devoted to them by organisations world-wide. An optimal...
Iván Cantador, Miriam Fernández, Pablo Castells, Escuela Politécnica
In this work, we present an extension of CORE [2], a tool for Collaborative Ontology Reuse and Evaluation. The system receives an informal description of a specific semantic domain and determines...
Iván Cantador, Pablo Castells, Escuela Politécnica Superior
A Community of Interest is a specific type of Community of Practice. It is formed by a group of individuals who share a common interest or passion. These people exchange ideas and thoughts about the...
Iván Cantador, Miriam Fernández, Pablo Castells, Escuela Politécnica
In this work, we present an extension of CORE [8], a tool for Collaborative Ontology Reuse and Evaluation. The system receives an informal description of a specific semantic domain and determines...
Miriam Fernández, Iván Cantador, Pablo Castells, Escuela Politécnica
Ontology evaluation can be defined as assessing the quality and the adequacy of an ontology for being used in a specific context, for a specific goal. In this work, a tool for Collaborative Ontology...
A Multilayer Ontology-based Hybrid Recommendation Model (2008)
Iván Cantador, Ro Bellogín, Pablo Castells, Escuela Politécnica
We propose a novel hybrid recommendation model in which user preferences and item features are described in terms of semantic concepts defined in domain ontologies. The exploitation of...
News@hand: A semantic web approach to recommending news (2008)
Iván Cantador, Ro Bellogín, Pablo Castells
Abstract. We present
Iván Cantador, Pablo Castells, Escuela Politécnica Superior
A Community of Interest is a specific type of Community of Practice. It is formed by a group of individuals who share a common interest or passion. These people exchange ideas and thoughts about the...
A Multilayer Ontology-based Hybrid Recommendation Model (2008)
Iván Cantador, Ro Bellogín, Pablo Castells, Escuela Politécnica
We propose a novel hybrid recommendation model in which user preferences and item features are described in terms of semantic concepts defined in domain ontologies. The exploitation of...
Modelling Ontology-based Multilayered Communities of Interest for Hybrid Recommendations (2007)
Iván Cantador, Pablo Castells, Ro Bellogín
Abstract. This paper describes a strategy that automatically identifies Communities of Interest (CoI) from the tastes and preferences expressed by users in personal ontology-based profiles, and...
Enriching Group Profiles with Ontologies for Knowledge-Driven Collaborative Content Retrieval (2006)
Iván Cantador, Pablo Castells, David Vallet, Escuela Politécnica
This paper proposes several strategies for the combination of ontology-based user profiles to generate a shared semantic profile for a group of users. The performance of the strategies is...
XBRL Taxonomies and OWL Ontologies for Investment Funds (2006)
Rubén Lara, Iván Cantador, Pablo Castells
Abstract. The analysis of investment funds information requires the availability of homogeneous, both up-to-date and historical information of the funds considered, which is usually generated and...
Building Emergent Social Networks and Group Profiles by Semantic User Preference Clustering (2006)
Abstract. This paper presents a novel approach to automatic semantic social network construction based on semantic user preference clustering. Considering a number of users, each of them with an...
A Multi-Purpose Ontology-Based Approach for Personalized Content Filtering and Retrieval (2006)
David Vallet, Iván Cantador, Miriam Fernández, Pablo Castells, Escuela Politécnica Superior
Personalized multimedia access aims at enhancing the retrieval process by complementing explicit user requests with implicit user preferences. We propose and discuss the benefits of the introduction...
Abstract. This paper describes a strategy that automatically clusters ontologybased user profiles taking into account their common interests for domain concepts. The obtained semantic clusters are...
A Multi-Purpose Ontology-Based Approach for Personalized Content Filtering and Retrieval (2006)
Iván Cantador, Miriam Fernández, David Vallet, Pablo Castells, Jérôme Picault, Myriam Ribière
Abstract. Personalised multimedia access aims at enhancing the retrieval process by complementing explicit user requests with implicit user preferences. We propose and discuss the benefits of the...
Abstract. We propose a multilayered semantic social network model that offers different views of common interests underlying a community of people. The applicability of the proposed model to a...
Abstract. This paper describes a strategy that automatically clusters ontologybased user profiles taking into account their common interests for domain concepts. The obtained semantic clusters are...
Boosting Parallel Perceptrons for Label Noise Reduction in Classification (2005)
Iván Cantador, José R. Dorronsoro
Abstract. Boosting combines an ensemble of weak learners to construct a new weighted classifier that is often more accurate than any of its components. The construction of such learners, whose...