Holger Billhardt

98 papers A* 2A 4B 5C 4Misc 8Journal 35Unranked 39

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Fair and efficient multi-agent routing for cooperative and autonomous agricultural fleets with implements. Comput. Oper. Res. Aitor López Sánchez, Marin Lujak, Frédéric Semet, Holger Billhardt
2026	J	`jnl`	Learning the Value Systems of Agents with Preference-based and Inverse Reinforcement Learning. CoRR Andrés Holgado-Sánchez, Holger Billhardt, Alberto Fernández, Sascha Ossowski
2026	J	`jnl`	Learning the Value Systems of Societies with Preference-based Multi-objective Reinforcement Learning. CoRR Andrés Holgado-Sánchez, Peter Vamplew, Richard Dazeley, Sascha Ossowski, Holger Billhardt
2026	J	`jnl`	Learning the value systems of agents with preference-based and inverse reinforcement learning. Auton. Agents Multi Agent Syst. Andrés Holgado-Sánchez, Holger Billhardt, Alberto Fernández, Sascha Ossowski
2025	A*	`conf`	Capacitated Agriculture Fleet Vehicle Routing with Implements and Limited Autonomy: A Model and a Two-Phase Solution Approach. ICRA Aitor López Sánchez, Marin Lujak, Frédéric Semet, Holger Billhardt
2025	A	`conf`	Learning the Value Systems of Societies from Preferences. ECAI Andrés Holgado-Sánchez, Holger Billhardt, Sascha Ossowski, Sara Degli-Esposti
2025	J	`jnl`	Learning the Value Systems of Societies from Preferences. CoRR Andrés Holgado-Sánchez, Holger Billhardt, Sascha Ossowski, Sara Degli-Esposti
2024	J	`jnl`	Agreement Technologies for Coordination in Smart Cities. CoRR Holger Billhardt, Alberto Fernández, Marin Lujak, Sascha Ossowski
2024	J	`jnl`	Algorithms for learning value-aligned policies considering admissibility relaxation. CoRR Andrés Holgado-Sánchez, Joaquín Arias, Holger Billhardt, Sascha Ossowski
2024	—	`conf`	An Ontology for Value Awareness Engineering. ICAART (3) Andrés Holgado-Sánchez, Holger Billhardt, Sascha Ossowski, Alberto Fernández
2024	J	`jnl`	Bike3S: A Tool for Bike Sharing Systems Simulation. CoRR Alberto Fernández, Holger Billhardt, Sascha Ossowski, Óscar Sánchez
2024	J	`jnl`	Dynamic, fair, and efficient routing for cooperative autonomous vehicle fleets. Expert Syst. Appl. Aitor López Sánchez, Marin Lujak, Frédéric Semet, Holger Billhardt
2024	J	`jnl`	How to achieve fair and efficient cooperative vehicle routing? AI Commun. Aitor López Sánchez, Marin Lujak, Frédéric Semet, Holger Billhardt
2024	J	`jnl`	Legal and ethical implications of applications based on agreement technologies: the case of auction-based road intersections. CoRR José-Antonio Santos, Alberto Fernández, Mar Moreno-Rebato, Holger Billhardt, José A. Rodríguez-García, Sascha Ossowski
2024	Misc	`conf`	On the relevance of value system structure for automated value-aligned decision-making. SAC Marcelo Karanik, Holger Billhardt, Alberto Fernández, Sascha Ossowski
2024	J	`jnl`	Smart Recommendations for Renting Bikes in Bike Sharing Systems. CoRR Holger Billhardt, Alberto Fernández, Sascha Ossowski
2024	J	`jnl`	Streamlining Advanced Taxi Assignment Strategies based on Legal Analysis. CoRR Holger Billhardt, José-Antonio Santos, Alberto Fernández, Mar Moreno, Sascha Ossowski, José A. Rodríguez-García
2024	J	`jnl`	Taxi dispatching strategies with compensations. CoRR Holger Billhardt, Alberto Fernández, Sascha Ossowski, Javier Palanca, Javier Bajo
2024	J	`jnl`	Towards a prioritised use of transportation infrastructures: the case of vehicle-specific dynamic access restrictions to city centres. CoRR Holger Billhardt, Alberto Fernández, Pasqual Martí, Javier Prieto Tejedor, Sascha Ossowski
2024	—	`conf`	Value Learning for Value-Aligned Route Choice Modeling via Inverse Reinforcement Learning. VALE Andrés Holgado-Sánchez, Javier Bajo, Holger Billhardt, Sascha Ossowski, Joaquín Arias
2023	—	`conf`	Algorithms for Learning Value-Aligned Policies Considering Admissibility Relaxation. VALE Andrés Holgado-Sánchez, Joaquín Arias, Holger Billhardt, Sascha Ossowski
2023	—	`conf`	Exploiting Value System Structure for Value-Aligned Decision-Making. VALE Marcelo Karanik, Holger Billhardt, Alberto Fernández, Sascha Ossowski
2023	—	`conf`	On Value-Aligned Cooperative Multi-agent Task Allocation. VALE Marin Lujak, Alberto Fernández, Holger Billhardt, Sascha Ossowski, Joaquín Arias, Aitor López Sánchez
2023	J	`jnl`	Problem Detection in the Edge of IoT Applications. Int. J. Interact. Multim. Artif. Intell. Iván Bernabé Sánchez, Alberto Fernández, Holger Billhardt, Sascha Ossowski
2023	B	`conf`	Vehicle Routing Problem with Fair Profits and Time Windows (VRP-FPTW). SMC Aitor López Sánchez, Marin Lujak, Frédéric Semet, Holger Billhardt
2022	B	`conf`	Dynamic Algorithm for on-the-Fly Work and Break Balancing in Emergency Fleets. SMC Marin Lujak, Holger Billhardt
2022	—	`conf`	On Balancing Fairness and Efficiency in Routing of Cooperative Vehicle Fleets. ATT@IJCAI Aitor López Sánchez, Marin Lujak, Frédéric Semet, Holger Billhardt
2022	J	`jnl`	Streamlining advanced taxi assignment strategies based on legal analysis. Neurocomputing Holger Billhardt, José-Antonio Santos, Alberto Fernández, Mar Moreno, Sascha Ossowski, José A. Rodríguez-García
2022	—	`conf`	Towards Semantic Modelling of the Edge-Cloud Continuum. PAAMS (Workshops) Iván Bernabé Sánchez, Alberto Fernández, Holger Billhardt, Sascha Ossowski
2021	—	`conf`	Infrastructure for the Enhancement of Urban Fleet Simulation. SSCT Pasqual Martí, Jaume Jordán, Fernando De la Prieta, Holger Billhardt, Vicente Julián
2021	—	`conf`	Reducing Emissions Prioritising Transport Utility. SSCT Holger Billhardt, Alberto Fernández, Sandra Gómez-Gálvez, Pasqual Martí, Javier Prieto Tejedor, Sascha Ossowski
2020	J	`jnl`	Bike3S: A tool for bike sharing systems simulation. J. Simulation Alberto Fernández, Holger Billhardt, Sascha Ossowski, Óscar Sánchez
2020	—	`conf`	Legal Implications of Novel Taxi Assignment Strategies. PAAMS (Workshops) Holger Billhardt, José-Antonio Santos, Alberto Fernández, Mar Moreno-Rebato, Sascha Ossowski, José A. Rodríguez-García
2020	J	`jnl`	Legal and ethical implications of applications based on agreement technologies: the case of auction-based road intersections. Artif. Intell. Law José-Antonio Santos, Alberto Fernández, Mar Moreno-Rebato, Holger Billhardt, José A. Rodríguez-García, Sascha Ossowski
2019	J	`jnl`	Taxi dispatching strategies with compensations. Expert Syst. Appl. Holger Billhardt, Alberto Fernández, Sascha Ossowski, Javier Palanca, Javier Bajo
2018	—	`conf`	A Bike Sharing System Simulator. PAAMS (Workshops) Alberto Fernández, Sandra Timón, Carlos Ruiz, Tao Cumplido, Holger Billhardt, Jürgen Dunkel
2018	—	`conf`	Balancing Strategies for Bike Sharing Systems. AT Alberto Fernández, Holger Billhardt, Sandra Timón, Carlos Ruiz, Óscar Sánchez, Iván Bernabé Sánchez
2018	J	`jnl`	Designing a goal-oriented smart-home environment. Inf. Syst. Frontiers Javier Palanca, Elena del Val, Ana García-Fornes, Holger Billhardt, Juan Manuel Corchado, Vicente Julián
2018	—	`conf`	Dynamic Delivery Plan Adaptation in Open Systems. AT Miguel Ángel Rodríguez-García, Alberto Fernández, Holger Billhardt
2018	—	`conf`	Provider Recommendation in Heterogeneous Transportation Fleets. PAAMS (Workshops) Miguel Ángel Rodríguez-García, Alberto Fernández, Holger Billhardt
2017	B	`conf`	A Distributed Algorithm for Dynamic Break Scheduling in Emergency Service Fleets. PRIMA Marin Lujak, Holger Billhardt
2017	J	`jnl`	A distributed architecture for real-time evacuation guidance in large smart buildings. Comput. Sci. Inf. Syst. Marin Lujak, Holger Billhardt, Jürgen Dunkel, Alberto Fernández, Ramón Hermoso, Sascha Ossowski
2017	—	`conf`	An Ontology for Sharing Touristic Information. EUMAS/AT Carmen Fernández, Alberto Fernández, Holger Billhardt
2017	J	`jnl`	Coordinating open fleets. A taxi assignment example. AI Commun. Holger Billhardt, Alberto Fernández, Marin Lujak, Sascha Ossowski, Vicente Julián, Juan F. De Paz, Josefa Z. Hernández
2016	—	`conf`	A Proposal for Situation-Aware Evacuation Guidance Based on Semantic Technologies. EUMAS/AT Holger Billhardt, Jürgen Dunkel, Alberto Fernández, Marin Lujak, Ramón Hermoso, Sascha Ossowski
2016	—	`conf`	An Architecture for Situation-Aware Evacuation Guidance in Smart Buildings. AmILP@ECAI Holger Billhardt, Jürgen Dunkel, Marin Lujak, Alberto Fernández, Ramón Hermoso, Sascha Ossowski
2016	J	`jnl`	Distributed coordination of emergency medical service for angioplasty patients. Ann. Math. Artif. Intell. Marin Lujak, Holger Billhardt, Sascha Ossowski
2015	J	`jnl`	Service discovery acceleration with hierarchical clustering. Inf. Syst. Frontiers Zijie Cong, Alberto Fernández, Holger Billhardt, Marin Lujak
2015	—	`conf`	Towards Smart Open Dynamic Fleets. EUMAS/AT Holger Billhardt, Alberto Fernández, Marin Lujak, Sascha Ossowski, Vicente Julián, Juan Francisco de Paz, Josefa Z. Hernández
2014	—	`conf`	An Architecture Proposal for Human-Agent Societies. PAAMS (Workshops) Holger Billhardt, Vicente Julián, Juan M. Corchado, Alberto Fernández
2014	J	`jnl`	Dynamic Coordination in Fleet Management Systems: Toward Smart Cyber Fleets. IEEE Intell. Syst. Holger Billhardt, Alberto Fernández, Lissette Lemus, Marin Lujak, Nardine Osman, Sascha Ossowski, Carles Sierra
2014	J	`jnl`	Dynamic coordination of ambulances for emergency medical assistance services. Knowl. Based Syst. Holger Billhardt, Marin Lujak, Vicente Sánchez-Brunete, Alberto Fernández, Sascha Ossowski
2014	—	`conf`	Easy Development and Use of Dialogue Services. ISAmI José Javier Durán, Alberto Fernández, Sara Rodríguez, Vicente Julián, Holger Billhardt
2014	Misc	`conf`	Intelligent event processing for emergency medical assistance. SAC Holger Billhardt, Marin Lujak, Sascha Ossowski, Ralf Bruns, Jürgen Dunkel
2014	C	`conf`	Optimizing Emergency Medical Assistance Coordination in After-Hours Urgent Surgery Patients. EUMAS Marin Lujak, Holger Billhardt, Sascha Ossowski
2014	C	`conf`	Using Complex Event Processing to support data fusion for ambulance coordination. FUSION Ralf Bruns, Jürgen Dunkel, Holger Billhardt, Marin Lujak, Sascha Ossowski
2014	—	`conf`	Using Natural Interfaces for Human-Agent Immersion. PAAMS (Workshops) Angel Sanchis-Cano, Vicente Julián, Juan M. Corchado, Holger Billhardt, Carlos Carrascosa
2013	—	`conf`	Lifecycle of Adaptive Agreements: A Pattern Language. AT J. Santiago Pérez-Sotelo, Carlos E. Cuesta, Holger Billhardt, Sascha Ossowski
2013	J	`jnl`	Persuading agents to act in the right way: An incentive-based approach. Eng. Appl. Artif. Intell. Roberto Centeno, Holger Billhardt, Ramón Hermoso
2013	J	`jnl`	Trust-based role coordination in task-oriented multiagent systems. Knowl. Based Syst. Ramón Hermoso, Holger Billhardt, Sascha Ossowski
2012	—	`conf`	On Mobile Target Allocation with Incomplete Information in Defensive Environments. KES-AMSTA Marin Lujak, Holger Billhardt, Sascha Ossowski
2011	A	`conf`	Adaptive regulation of open MAS: an incentive mechanism based on modifications of the environment. AAMAS Roberto Centeno, Holger Billhardt
2011	B	`conf`	An Adaptive Sanctioning Mechanism for Open Multi-agent Systems Regulated by Norms. ICTAI Roberto Centeno, Holger Billhardt, Ramón Hermoso
2011	—	`conf`	Auto-Adaptation of Open MAS through On-Line Modifications of the Environment. AAMAS Workshops Roberto Centeno, Holger Billhardt
2011	J	`jnl`	Organisational structures in next-generation distributed systems: Towards a technology of agreement. Multiagent Grid Syst. Holger Billhardt, Roberto Centeno, Carlos E. Cuesta, Alberto Fernández, Ramón Hermoso, Rubén Ortiz, Sascha Ossowski, J. Santiago Pérez-Sotelo, Matteo Vasirani
2011	A*	`conf`	Using Incentive Mechanisms for an Adaptive Regulation of Open Multi-Agent Systems. IJCAI Roberto Centeno, Holger Billhardt
2010	Misc	`conf`	A Trust-Based Provider Recommender for Mobile Devices in Semantic Environments. DCAI Helena Cebrián, Álvaro Higes, Ramón Hermoso, Holger Billhardt
2010	—	`conf`	Inducing Desirable Behaviour through an Incentives Infrastructure. MATES Roberto Centeno, Holger Billhardt, Sascha Ossowski
2010	—	`conf`	Normative Reasoning with an Adaptive Self-interested Agent Model Based on Markov Decision Processes. IBERAMIA Moser Silva Fagundes, Holger Billhardt, Sascha Ossowski
2010	A	`conf`	Reasoning about Norm Compliance with Rational Agents. ECAI Moser Silva Fagundes, Holger Billhardt, Sascha Ossowski
2010	A	`conf`	Role evolution in Open Multi-Agent Systems as an information source for trust. AAMAS Ramón Hermoso, Holger Billhardt, Sascha Ossowski
2009	—	`conf`	An Organisation-Based Multiagent System for Medical Emergency Assistance. IWANN (1) Roberto Centeno, Moser Silva Fagundes, Holger Billhardt, Sascha Ossowski, Juan M. Corchado, Vicente Julián, Alberto Fernández
2009	—	`conf`	Designing Organized Multiagent Systems through MDPs. MATES Moser Silva Fagundes, Roberto Centeno, Holger Billhardt, Sascha Ossowski
2009	B	`conf`	Dynamic Evolution of Role Taxonomies through Multidimensional Clustering in Multiagent Organizations. PRIMA Ramón Hermoso, Holger Billhardt, Sascha Ossowski
2009	Misc	`conf`	Organising MAS: a formal model based on organisational mechanisms. SAC Roberto Centeno, Holger Billhardt, Ramón Hermoso, Sascha Ossowski
2009	—	`conf`	Supporting Medical Emergencies by MAS. KES-AMSTA Roberto Centeno, Moser Silva Fagundes, Holger Billhardt, Sascha Ossowski
2008	—	`conf`	Extending virtual organizations to improve trust mechanisms. AAMAS (3) Ramón Hermoso, Roberto Centeno, Holger Billhardt, Sascha Ossowski
2008	—	`conf`	On the Relevance of Organizational Structures for a Technology of Agreement. OTM Workshops Holger Billhardt, Roberto Centeno, Alberto Fernández, Ramón Hermoso, Rubén Ortiz, Sascha Ossowski, Matteo Vasirani
2007	J	`jnl`	An agent- and ontology-based system for integrating public gene, protein, and disease databases. J. Biomed. Informatics Raúl Alonso-Calvo, Victor Maojo, Holger Billhardt, Fernando Martín-Sánchez, Miguel García-Remesal, David Pérez-Rey
2007	Misc	`conf`	Logical Schema Acquisition from Text-Based Sources for Structured and Non-Structured Biomedical Sources Integration. AMIA Miguel García-Remesal, Victor Maojo, José Crespo, Holger Billhardt
2007	—	`conf`	SAT & ZB: Novel Tools to Acquire and Browse Conceptual Schemas from Public Online Databases for Biomedical Applications. ER (Tutorials, Posters, Panels & Industrial Contributions) Miguel García-Remesal, Pedro Gil, Victor Maojo, Holger Billhardt, José Crespo
2007	Misc	`conf`	Trust-based service provider selection in open environments. SAC Holger Billhardt, Ramón Hermoso, Sascha Ossowski, Roberto Centeno
2006	—	`conf`	Effective Use of Organisational Abstractions for Confidence Models. ESAW Ramón Hermoso, Holger Billhardt, Roberto Centeno, Sascha Ossowski
2006	C	`conf`	Effective Use of Organisational Abstractions for Confidence Models. EUMAS Ramón Hermoso, Holger Billhardt, Roberto Centeno, Sascha Ossowski
2006	—	`conf`	Integrating Trust in Virtual Organisations. COIN@AAMAS/ECAI Ramón Hermoso, Holger Billhardt, Sascha Ossowski
2006	J	`jnl`	ONTOFUSION: Ontology-based integration of genomic and clinical databases. Comput. Biol. Medicine David Pérez-Rey, Victor Maojo, Miguel García-Remesal, Raúl Alonso-Calvo, Holger Billhardt, Fernando Martín-Sánchez, A. Sousa
2004	C	`conf`	ARMEDA II: Supporting Genomic Medicine through the Integration of Medical and Genetic Databases. BIBE Miguel García-Remesal, Victor Maojo, Holger Billhardt, José Crespo, Raúl Alonso-Calvo, David Pérez-Rey, Fernando Martin, A. Sousa
2004	—	`conf`	Towards agent societies for information retrieval. SMC (6) Holger Billhardt, Sascha Ossowski
2003	—	`conf`	A Virtual Approach to Integrating Biomedical Databases and Terminologies. ISMDA Victor Maojo, Miguel García-Remesal, Holger Billhardt, José Crespo, Fernando Martín-Sánchez, António Sousa Pereira
2003	—	`—`	Fusión de modelos vectoriales y contextuales para la recuperación de información. Holger Billhardt
2003	J	`jnl`	Learning Retrieval Expert Combinations with Genetic Algorithms. Int. J. Uncertain. Fuzziness Knowl. Based Syst. Holger Billhardt, Daniel Borrajo, Victor Maojo
2002	J	`jnl`	A context vector model for information retrieval. J. Assoc. Inf. Sci. Technol. Holger Billhardt, Daniel Borrajo, Victor Maojo
2002	—	`conf`	On the Strong Property of Connected Open-Close and Close-Open Filters. DGCI José Crespo, Victor Maojo, José A. Sanandrés, Holger Billhardt
2002	Misc	`conf`	Using genetic algorithms to find suboptimal retrieval expert combinations. SAC Holger Billhardt, Daniel Borrajo, Victor Maojo
2001	J	`jnl`	A Comparison of Machine Learning Methods for the Diagnosis of Pigmented Skin Lesions. J. Biomed. Informatics Stephan Dreiseitl, Lucila Ohno-Machado, Harald Kittler, Staal Amund Vinterbo, Holger Billhardt, Michael Binder
2001	—	`conf`	A New Method for Unifying Heterogeneous Databases. ISMDA Holger Billhardt, José Crespo, Victor Maojo, Fernando Martin, José Luis Maté
2001	—	`conf`	Methods and Criteria for Detecting Significant Regions in Medical Image Analysis. ISMDA José Crespo, Holger Billhardt, Juan Rodríguez-Pedrosa, José A. Sanandrés
1999	Misc	`conf`	Functional Definition of the INFOGENMED WORKSTATION: A Virtual Laboratory for Genetic Information Management in Clinical Environments. AMIA Victor Maojo, Fernando Martín-Sánchez, N. Ibarrola, Guillermo López-Campos, José Crespo, D. Caja, J. M. Barreiros, Holger Billhardt