Holger Billhardt

Roberto Centeno, Holger Billhardt, Ramón Hermoso: Persuading agents to act in the right way: An incentive-based approach. Eng. Appl. of AI 26(1): 198-210 (2013)

Marin Lujak, Holger Billhardt, Sascha Ossowski: On Mobile Target Allocation with Incomplete Information in Defensive Environments. KES-AMSTA 2012: 4-13

Holger Billhardt, Roberto Centeno, Carlos E. Cuesta, Alberto Fernández, Ramón Hermoso, Rubén Ortiz, Sascha Ossowski, J. Santiago Pérez-Sotelo, Matteo Vasirani: Organisational structures in next-generation distributed systems: Towards a technology of agreement. Multiagent and Grid Systems 7(2-3): 109-125 (2011)

Roberto Centeno, Holger Billhardt: Auto-Adaptation of Open MAS through On-Line Modifications of the Environment. AAMAS Workshops 2011: 426-427

Roberto Centeno, Holger Billhardt: Adaptive regulation of open MAS: an incentive mechanism based on modifications of the environment. AAMAS 2011: 1243-1244

Roberto Centeno, Holger Billhardt, Ramón Hermoso: An Adaptive Sanctioning Mechanism for Open Multi-agent Systems Regulated by Norms. ICTAI 2011: 523-530

Roberto Centeno, Holger Billhardt: Using Incentive Mechanisms for an Adaptive Regulation of Open Multi-Agent Systems. IJCAI 2011: 139-145

Ramón Hermoso, Holger Billhardt, Sascha Ossowski: Role evolution in Open Multi-Agent Systems as an information source for trust. AAMAS 2010: 217-224

Helena Cebrián, Álvaro Higes, Ramón Hermoso, Holger Billhardt: A Trust-Based Provider Recommender for Mobile Devices in Semantic Environments. DCAI 2010: 65-72

Moser Silva Fagundes, Holger Billhardt, Sascha Ossowski: Reasoning about Norm Compliance with Rational Agents. ECAI 2010: 1027-1028

Moser Silva Fagundes, Holger Billhardt, Sascha Ossowski: Normative Reasoning with an Adaptive Self-interested Agent Model Based on Markov Decision Processes. IBERAMIA 2010: 274-283

Roberto Centeno, Holger Billhardt, Sascha Ossowski: Inducing Desirable Behaviour through an Incentives Infrastructure. MATES 2010: 64-75

Roberto Centeno, Moser Silva Fagundes, Holger Billhardt, Sascha Ossowski, Juan M. Corchado, Vicente Julián, Alberto Fernández: An Organisation-Based Multiagent System for Medical Emergency Assistance. IWANN (1) 2009: 561-568

Roberto Centeno, Moser Silva Fagundes, Holger Billhardt, Sascha Ossowski: Supporting Medical Emergencies by MAS. KES-AMSTA 2009: 823-833

Moser Silva Fagundes, Roberto Centeno, Holger Billhardt, Sascha Ossowski: Designing Organized Multiagent Systems through MDPs. MATES 2009: 183-188

Ramón Hermoso, Holger Billhardt, Sascha Ossowski: Dynamic Evolution of Role Taxonomies through Multidimensional Clustering in Multiagent Organizations. PRIMA 2009: 587-594

Roberto Centeno, Holger Billhardt, Ramón Hermoso, Sascha Ossowski: Organising MAS: a formal model based on organisational mechanisms. SAC 2009: 740-746

Ramón Hermoso, Roberto Centeno, Holger Billhardt, Sascha Ossowski: Extending virtual organizations to improve trust mechanisms. AAMAS (3) 2008: 1489-1492

Holger Billhardt, Roberto Centeno, Alberto Fernández, Ramón Hermoso, Rubén Ortiz, Sascha Ossowski, Matteo Vasirani: On the Relevance of Organizational Structures for a Technology of Agreement. OTM Workshops 2008: 138-149

Raúl Alonso-Calvo, Victor Maojo, Holger Billhardt, Fernando Martín-Sánchez, Miguel García-Remesal, David Pérez-Rey: An agent- and ontology-based system for integrating public gene, protein, and disease databases. Journal of Biomedical Informatics 40(1): 17-29 (2007)

Miguel García-Remesal, Pedro Gil, Victor Maojo, Holger Billhardt, José Crespo: SAT & ZB: Novel Tools to Acquire and Browse Conceptual Schemas from Public Online Databases for Biomedical Applications. ER (Tutorials, Posters, Panels & Industrial Contributions) 2007: 65-70

Holger Billhardt, Ramón Hermoso, Sascha Ossowski, Roberto Centeno: Trust-based service provider selection in open environments. SAC 2007: 1375-1380

David Pérez-Rey, Victor Maojo, Miguel García-Remesal, Raúl Alonso-Calvo, Holger Billhardt, Fernando Martín-Sánchez, A. Sousa: ONTOFUSION: Ontology-based integration of genomic and clinical databases. Comp. in Bio. and Med. 36(7-8): 712-730 (2006)

Ramón Hermoso, Holger Billhardt, Roberto Centeno, Sascha Ossowski: Effective Use of Organisational Abstractions for Confidence Models. ESAW 2006: 368-383

Ramón Hermoso, Holger Billhardt, Roberto Centeno, Sascha Ossowski: Effective Use of Organisational Abstractions for Confidence Models. EUMAS 2006

Miguel García-Remesal, Victor Maojo, Holger Billhardt, José Crespo, Raúl Alonso-Calvo, David Pérez-Rey, Fernando Martin, A. Sousa: ARMEDA II: Supporting Genomic Medicine through the Integration of Medical and Genetic Databases. BIBE 2004: 227-236

Holger Billhardt, Sascha Ossowski: Towards agent societies for information retrieval. SMC (6) 2004: 5584-5589

Holger Billhardt, Daniel Borrajo, Victor Maojo: Learning Retrieval Expert Combinations with Genetic Algorithms. International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 11(1): 87-114 (2003)

Victor Maojo, Miguel García-Remesal, Holger Billhardt, José Crespo, Fernando Martín-Sánchez, António Sousa Pereira: A Virtual Approach to Integrating Biomedical Databases and Terminologies. ISMDA 2003: 31-38

Holger Billhardt, Daniel Borrajo, Victor Maojo: A context vector model for information retrieval. JASIST 53(3): 236-249 (2002)

José Crespo, Victor Maojo, José A. Sanandrés, Holger Billhardt: On the Strong Property of Connected Open-Close and Close-Open Filters. DGCI 2002: 165-174

Holger Billhardt, Daniel Borrajo, Victor Maojo: Using genetic algorithms to find suboptimal retrieval expert combinations. SAC 2002: 657-662

Stephan Dreiseitl, Lucila Ohno-Machado, Harald Kittler, Staal A. Vinterbo, Holger Billhardt, Michael Binder: A Comparison of Machine Learning Methods for the Diagnosis of Pigmented Skin Lesions. Journal of Biomedical Informatics 34(1): 28-36 (2001)

José Crespo, Holger Billhardt, Juan Rodríguez-Pedrosa, José A. Sanandrés: Methods and Criteria for Detecting Significant Regions in Medical Image Analysis. ISMDA 2001: 20-27

Holger Billhardt, José Crespo, Victor Maojo, Fernando Martin, José Luis Maté: A New Method for Unifying Heterogeneous Databases. ISMDA 2001: 54-61