P. Castells

发表

Extracting Multilayered Semantic Communities of Interest from Ontology-based User Profiles : Application to Group Modelling and Hybrid Recommendations

Iván Cantador, P. Castells, 2006 .

Characterization of Fair Experiments for Recommender System Evaluation – A Formal Analysis

P. Castells, 2018 .

SEMANTIC WEB TECHNOLOGIES FOR THE FINANCIAL DOMAIN 3 2 . SEMANTIC TECHNOLOGIES FOR ECONOMIC AND FINANCIAL INFORMATION MANAGEMENT 2 . 1 Description

Iván Cantador, P. Castells, Rubén Lara, 2008 .

A flexible model for the location of services

P. Castells, Rubén Lara, M. Corella, 2007 .

Human Preferences as Dueling Bandits

Nick Craswell, C. Clarke, E. Voorhees, 2022, SIGIR.

University ’ s repository of research publications and other research outputs Enriching ontological user profiles with tagging history for multi-domain recommendations Conference Item

Iván Cantador, Harith Alani, M. Szomszor, 2011 .

Enhanced descriptions for personalized retrieval and automatic adaptation of audiovisual content

José M. Martínez, Iván Cantador, P. Castells, 2007 .

Enriching Ontological User Profiles with Tagging History for Multi-Domain Recommendations

Martin Szomszor, Harith Alani, Pablo Castells, 2008 .

Program Committee Sentence-level Opinion and Relation Extraction Challenges in Diversity Evaluation (keynote)

S. Schockaert, P. Castells, S. Vargas, 2011 .

Semantic Monitoring Techniques for EUD

P. Castells, J. Macías, 2003 .

Building Emergent Social Networks by Semantic User Preference Clustering

Iván Cantador, P. Castells, 2006 .

RELISON: A Framework for Link Recommendation in Social Networks

P. Castells, Javier Sanz-Cruzado, 2022, SIGIR.

Evaluation of Herd Behavior Caused by Population-scale Concept Drift in Collaborative Filtering

M. Sanderson, P. Castells, Yongli Ren, 2022, SIGIR.

Automatic inference of word meaning using phonosemantic patterns

Maria Ruiz-Casado, Enrique Alfonseca, Pablo Castells, 2002 .

Offline Recommender System Evaluation: Challenges and New Directions

P. Castells, Alistair Moffat, 2022, AI Mag..

University ’ s repository of research publications and other research outputs CORE : a tool for collaborative ontology reuse and evaluation Conference or Workshop Item

Iván Cantador, P. Castells, Miriam Fernández, 2016 .

The Open University ’ s repository of research publications and other research outputs CORE : a tool for collaborative ontology reuse and evaluation Conference Item

Iván Cantador, P. Castells, Miriam Fernández, 2011 .

of the Workshop on the Practical Use of Recommender Systems , Algorithms and Technologies ( PRSAT 2010 ) held at the 4 th ACM Conference on Recommender Systems ( RecSys 2010 ) 30 September 2010 Barcelona , Spain

Jérôme Picault, A. Jaimes, P. Castells, 2010 .

NEST: Simulating Pandemic-like Events for Collaborative Filtering by Modeling User Needs Evolution

M. Sanderson, P. Castells, Yongli Ren, 2022, CIKM.

Addressing Cold Start in Product Search via Empirical Bayes

P. Castells, Parth Gupta, Cuize Han, 2022, CIKM.

Using context-window overlapping in synonym discovery and ontology extension

Enrique Alfonseca, P. Castells, Maria Ruiz-Casado, 2005 .

A Rote Extractor with Edit Distance-Based Generalisation and Multi-Corpora Precision Calculation

Manabu Okumura, Maria Ruiz-Casado, Enrique Alfonseca, 2006, ACL.

Towards Large-scale Non-taxonomic Relation Extraction: Estimating the Precision of Rote Extractors

Manabu Okumura, Maria Ruiz-Casado, Enrique Alfonseca, 2006, OntologyLearning@COLING/ACL.

Should I Follow the Crowd?: A Probabilistic Analysis of the Effectiveness of Popularity in Recommender Systems

Pablo Castells, Rocío Cañamares, P. Castells, 2018, SIGIR.

Enhancing structural diversity in social networks by recommending weak ties

Pablo Castells, Javier Sanz-Cruzado, P. Castells, 2018, RecSys.

Effective contact recommendation in social networks by adaptation of information retrieval models

Iadh Ounis, Craig Macdonald, Javier Sanz-Cruzado, 2020, Inf. Process. Manag..

Semantically enhanced Information Retrieval: An ontology-based approach

Enrico Motta, Vanessa López, Pablo Castells, 2011, J. Web Semant..

Novelty and Diversity in Recommender Systems

Saul Vargas, Neil J. Hurley, Pablo Castells, 2015, Recommender Systems Handbook.

Automatic Assignment of Wikipedia Encyclopedic Entries to WordNet Synsets

Maria Ruiz-Casado, Enrique Alfonseca, Pablo Castells, 2005, AWIC.

Assessing ranking metrics in top-N recommendation

Alejandro Bellogín, Pablo Castells, Javier Parapar, 2020, Information Retrieval Journal.

Declarative interface models for user interface construction tools: the MASTERMIND approach

Pablo Castells, Pedro A. Szekely, Noi Sukaviriya, 1995, EHCI.

Presentation Models by Example

Pablo Castells, Pedro A. Szekely, P. Castells, 1999, DSV-IS.

Statistical biases in Information Retrieval metrics for recommender systems

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2017, Information Retrieval Journal.

Multilayered Semantic Social Network Modeling by Ontology-Based User Profiles Clustering: Application to Collaborative Filtering

Pablo Castells, Iván Cantador, Iván Cantador, 2006, EKAW.

On the robustness and discriminative power of information retrieval metrics for top-N recommendation

Alejandro Bellogín, Pablo Castells, Javier Parapar, 2018, RecSys.

Workshop on recommendation utility evaluation: beyond RMSE -- RUE 2012

Christian Posse, Arjen P. de Vries, Pablo Castells, 2012, RecSys.

of the Workshop on Recommendation Utility Evaluation : Beyond RMSE ( RUE 2011 ) held at the 6 th ACM International Conference on Recommender Systems ( RecSys 2012 ) 9 September 2012 Dublin , Ireland

Christian Posse, Pablo Castells, Harald Steck, 2012 .

An Enhanced Semantic Layer for Hybrid Recommender Systems: Application to News Recommendation

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2011, Int. J. Semantic Web Inf. Syst..

Personalized Content Retrieval in Context Using Ontological Knowledge

Yannis Avrithis, Phivos Mylonas, Pablo Castells, 2007, IEEE Transactions on Circuits and Systems for Video Technology.

A semantically-enhanced personalization framework for knowledge-driven media services

Yannis Avrithis, Phivos Mylonas, Pablo Castells, 2005 .

SimuRec: Workshop on Synthetic Data and Simulation Methods for Recommender Systems Research

Pablo Castells, David Rohde, Michael D. Ekstrand, 2021, RecSys.

Review on Applicability of Genetic Algorithm to Web Search

Jan-Ming Ho, Pablo Castells, Shian-Hua Lin, 2022 .

Probabilistic Score Normalization for Rank Aggregation

Pablo Castells, Miriam Fernández, David Vallet, 2006, ECIR.

Group Recommender Systems: New Perspectives in the Social Web

Pablo Castells, Iván Cantador, Iván Cantador, 2012, Recommender Systems for the Social Web.

Semantic contextualisation in a news recommender system

Pablo Castells, Iván Cantador, Lilybank Gardens, 2009 .

A Multi-Purpose Ontology-Based Approach for Personalized Content Filtering and Retrieval

Pablo Castells, Miriam Fernández, David Vallet, 2006, 2006 First International Workshop on Semantic Media Adaptation and Personalization (SMAP'06).

Proceedings of the International Workshop on Reproducibility and Replication in Recommender Systems Evaluation

Alan Said, Alejandro Bellogín, Pablo Castells, 2013 .

Offline evaluation options for recommender systems

Alistair Moffat, Pablo Castells, Rocío Cañamares, 2020, Information Retrieval Journal.

Extracting multilayered Communities of Interest from semantic user profiles: Application to group modeling and hybrid recommendations

Pablo Castells, Iván Cantador, Iván Cantador, 2011, Comput. Hum. Behav..

A multilayer ontology-based hybrid recommendation model

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2008, AI Commun..

Discerning Relevant Model Features in a Content-based Collaborative Recommender System

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2010, Preference Learning.

Multi-layered ontology-based user profiles and semantic social networks for recommender systems

Pablo Castells, Iván Cantador, Iván Cantador, 2006 .

Extracting Multilayered Semantic Communities of Interest from Ontology-based User Profiles : Application to Group Modelling and Hybrid Recommendations

Iván Cantador, P. Castells, 2006 .

Building emergent social networks and group profiles by semantic user preference clustering

Pablo Castells, Iván Cantador, Iván Cantador, 2006 .

Rank and relevance in novelty and diversity metrics for recommender systems

Saul Vargas, Pablo Castells, P. Castells, 2011, RecSys '11.

Neptuno: Semantic Web Technologies for a Digital Newspaper Archive

Jesús Contreras, Pablo Castells, V. Richard Benjamins, 2004, ESWS.

Newspaper Archives on the Semantic Web

V. R. Benjamins, M. Rico, F. Perdrix, 2006 .

DESK-H : building meaningful histories in an editor of dynamic web pages

José A. Macías, Pablo Castells, P. Castells, 2022 .

Using TREC for cross-comparison between classic IR and ontology-based search models at a Web scale

Enrico Motta, Marta Sabou, Pablo Castells, 2009 .

Agreement and Disagreement between True and False-Positive Metrics in Recommender Systems Evaluation

Mark Sanderson, Pablo Castells, Yongli Ren, 2020, SIGIR.

Popularity Bias in False-positive Metrics for Recommender Systems Evaluation

Yongli Ren, Mark Sanderson, Pablo Castells, 2021, ACM Trans. Inf. Syst..

An Ontology-Based Information Retrieval Model

Pablo Castells, Miriam Fernández, David Vallet, 2005, ESWC.

Semantic Search Meets the Web

Enrico Motta, Marta Sabou, Vanessa López, 2008, 2008 IEEE International Conference on Semantic Computing.

An Adaptation of the Vector-Space Model for Ontology-Based Information Retrieval

Pablo Castells, Miriam Fernández, David Vallet, 2007, IEEE Transactions on Knowledge and Data Engineering.

Proceedings of the 12th ACM Conference on Recommender Systems

Pablo Castells, Werner Geyer, Shilad Sen, 2018, RecSys.

Explicit relevance models in intent-oriented information retrieval diversification

Saul Vargas, Pablo Castells, David Vallet, 2012, SIGIR '12.

Novelty and diversity metrics for recommender systems: Choice, discovery and relevance

Pablo Castells, Jun Wang, Saúl Vargas, 2011 .

Workshop on novelty and diversity in recommender systems - DiveRS 2011

Jun Wang, Dell Zhang, Pablo Castells, 2011, RecSys '11.

Intent-oriented diversity in recommender systems

Saul Vargas, Pablo Castells, David Vallet, 2011, SIGIR.

From Evaluating to Forecasting Performance: How to Turn Information Retrieval, Natural Language Processing and Recommender Systems into Predictive Sciences (Dagstuhl Perspectives Workshop 17442)

Tsvi Kuflik, Julio Gonzalo, Karin M. Verspoor, 2018, Dagstuhl Manifestos.

Assessing ranking metrics in top-N recommendation

Alejandro Bellogín, Javier Parapar, P. Castells, 2020, Information Retrieval Journal.

Providing end-user facilities to simplify ontology-driven web application authoring

José A. Macías, Pablo Castells, P. Castells, 2007, Interact. Comput..

A simple multi-armed nearest-neighbor bandit for interactive recommendation

Pablo Castells, Javier Sanz-Cruzado, Esther López, 2019, RecSys.

Noname manuscript No. (will be inserted by the editor) Bridging Memory-Based Collaborative Filtering and Text Retrieval

Jun Wang, Alejandro Bellogín, Pablo Castells, 2022 .

Personalized information retrieval based on context and ontological knowledge

Yannis Avrithis, Phivos Mylonas, Pablo Castells, 2008, The Knowledge Engineering Review.

Personalized information retrieval in context

Yannis Avrithis, Phivos Mylonas, Pablo Castells, 2006 .

A comparative study of heterogeneous item recommendations in social systems

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2013, Inf. Sci..

Recommender Systems: A Primer

D. Jannach, P. Castells, 2023, ArXiv.

Information Retrieval Models for Contact Recommendation in Social Networks

Pablo Castells, Javier Sanz-Cruzado, P. Castells, 2019, ECIR.

Axiomatic Analysis of Contact Recommendation Methods in Social Networks: An IR Perspective

Iadh Ounis, Craig Macdonald, Pablo Castells, 2020, ECIR.

Beyond Accuracy in Link Prediction

Pablo Castells, Javier Sanz-Cruzado, P. Castells, 2020, BIAS.

Structural Novelty and Diversity in Link Prediction

Pablo Castells, Javier Sanz-Cruzado, Sofía M. Pepa, 2018, WWW.

Semi-automatic Semantic-Based Web Service Classification

Pablo Castells, Miguel Ángel Corella, P. Castells, 2006, Business Process Management Workshops.

Debiased Balanced Interleaving at Amazon Search

S. Ahuja, P. Castells, Slava Galperin, 2022, CIKM.

On Target Item Sampling in Offline Recommender System Evaluation

P. Castells, Rocío Cañamares, 2020, RecSys.

Multi-armed recommender system bandit ensembles

Pablo Castells, Rocío Cañamares, Marcos Redondo, 2019, RecSys.

Self-adjusting hybrid recommenders based on social network analysis

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2011, SIGIR.

An empirical comparison of social, collaborative filtering, and hybrid recommenders

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2013, TIST.

Discovering Relevant Preferences in a Personalised Recommender System using Machine Learning Techniques

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2008 .

Recommending Contacts in Social Networks Using Information Retrieval Models

Pablo Castells, Javier Sanz-Cruzado, Sofía M. Pepa, 2018, CERI.

Relevance-based language modelling for recommender systems

Alejandro Bellogín, Pablo Castells, Alvaro Barreiro, 2013, Inf. Process. Manag..

Improving memory-based collaborative filtering by neighbour selection based on user preference overlap

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2013, OAIR.

A flexible model for Web service discovery

Pablo Castells, Rubén Lara, Miguel Ángel Corella, 2006 .

Inferring user intent in web search by exploiting social annotations

Pablo Castells, David Vallet, Jose M. Conde, 2010, SIGIR.

Information Extraction and Semantic Annotation of Wikipedia

Manabu Okumura, Maria Ruiz-Casado, Enrique Alfonseca, 2008, Ontology Learning and Population.

Manifesto from Dagstuhl Perspectives Workshop 17442 - From Evaluating to Forecasting Performance: How to Turn Information Retrieval, Natural Language Processing and Recommender Systems into Predictive Sciences

Karin M. Verspoor, Michael D. Ekstrand, B. Magnini, 2018 .

The Dagstuhl Perspectives Workshop on Performance Modeling and Prediction

Tsvi Kuflik, Julio Gonzalo, Karin M. Verspoor, 2018, SIGF.

A Probabilistic Reformulation of Memory-Based Collaborative Filtering: Implications on Popularity Biases

Pablo Castells, Rocío Cañamares, P. Castells, 2017, SIGIR.

A study of heterogeneity in recommendations for a social music service

Pablo Castells, Iván Cantador, Alejandro Bellogín, 2010, HetRec '10.

On Target Item Sampling in Offline Recommender System Evaluation

Pablo Castells, Rocío Cañamares, P. Castells, 2020, RecSys.

Introduction to the Special Issue on Diversity and Discovery in Recommender Systems

Jun Wang, Dell Zhang, Pablo Castells, 2014, ACM Trans. Intell. Syst. Technol..

REDD 2014 -- international workshop on recommender systems evaluation: dimensions and design

Panagiotis Adamopoulos, Alejandro Bellogín, Pablo Castells, 2014, RecSys '14.

Precision-oriented evaluation of recommender systems: an algorithmic comparison

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2011, RecSys '11.

Exploring Social Network Effects on Popularity Biases in Recommender Systems

Pablo Castells, Rocío Cañamares, P. Castells, 2014, RSWeb@RecSys.

A Performance Prediction Approach to Enhance Collaborative Filtering Performance

Alejandro Bellogín, Pablo Castells, Alejandro Bellogín, 2010, ECIR.

Coverage, redundancy and size-awareness in genre diversity for recommender systems

Saul Vargas, Alexandros Karatzoglou, Pablo Castells, 2014, RecSys '14.

Exploiting the diversity of user preferences for recommendation

Saul Vargas, Pablo Castells, P. Castells, 2013, OAIR.

Ontology-Based Personalised and Context-Aware Recommendations of News Items

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2008, 2008 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology.

News@hand: A Semantic Web Approach to Recommending News

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2008, AH.

Neighbor Selection and Weighting in User-Based Collaborative Filtering: A Performance Prediction Approach

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2014, TWEB.

Predicting the Performance of Recommender Systems: An Information Theoretic Approach

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2011, ICTIR.

A collaborative recommendation framework for ontology evaluation and reuse

Pablo Castells, Iván Cantador, Miriam Fernandez, 2006 .

On the suitability of intent spaces for IR diversification

Pablo Castells, Saúl Vargas, David Jordi Vallet Weadon, 2012 .

Self-tuning Personalized Information Retrieval in an Ontology-Based Framework

Yannis Avrithis, Phivos Mylonas, Pablo Castells, 2005, OTM Workshops.

Modelling ontology-based multilayered communities of interest for hybrid recommendations

Alejandro Bellogín, Pablo Castells, Iván Cantador, 2007 .

An Authoring Tool for Building Adaptive Learning Guidance Systems on the Web

Pablo Castells, José Antonio Macías Iglesias, P. Castells, 2001, Active Media Technology.

Impression-Aware Recommender Systems

Maurizio Ferrari Dacrema, P. Cremonesi, P. Castells, 2023, ArXiv.

Impressions in Recommender Systems: Present and Future

Maurizio Ferrari Dacrema, Fernando Benjamín Pérez Maurera, P. Cremonesi, 2023, IIR.

From Wikipedia to Semantic Relationships: a Semi-automated Annotation Approach

Maria Ruiz-Casado, Enrique Alfonseca, Pablo Castells, 2006, SemWiki.

Fourth BCS-IRSG Symposium on Future Directions in Information Access (FDIA 2011) - Index

Juan M. Fernández-Luna, Leif Azzopardi, Pablo Castells, 2011 .

Contact Recommendations in Social Networks

Pablo Castells, Javier Sanz-Cruzado, P. Castells, 2018, Collaborative Recommendations.

Predicting Neighbor Goodness in Collaborative Filtering

Alejandro Bellogín, Pablo Castells, Alejandro Bellogín, 2009, FQAS.

Declarative models of presentation

Pablo Castells, Pedro A. Szekely, Ewald Salcher, 1997, IUI '97.

Effects of Usage-Based Feedback on Video Retrieval: A Simulation-Based Study

Frank Hopfgartner, Joemon M. Jose, Pablo Castells, 2011, TOIS.