MAIS+S Publications

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2014

PhD Theses

João Messias.
Decision-making under uncertainty for real robot teams.
Instituto Superior Técnico, Universidade de Lisboa, March 2014.

International Conference Papers

Stefan Witwicki, José Carlos Montoya, João Messias, João Reis, Jesús Capitán, Francisco Melo, Pedro Lima, and Matthijs Spaan.
A testbed for autonomous robot surveillance (demonstration).
In Proc. 13th Int. Conf. Autonomous Agents and Multiagent Systems, pp. 1635-1636, 2014.

2013

PhD Theses

Prashant Reddy.
Semi-cooperative learning in Smart Grid agents.
Carnegie Mellon University, December 2013.

Journal Papers

Jesus Capitan, Matthijs Spaan, Luis Merino, and Anibal Ollero.
Decentralized multi-robot cooperation with auctioned POMDPs.
Int. J. Robotics Research, vol. 32(6):650–671, 2013.
DOI:10.1177/0278364913483345

International Conference Papers

João Reis, Pedro Lima, and João Garcia.
Efficient distributed communications for multi-robot systems.
In Proc. 2013 RoboCup International Symposium, pp. 280-291, 2013.

Dario Figueira, Loris Bazzani, Minh Ha Quang, Marco Cristani, Alexandre Bernardino, and Vittorio Murino.
Semi-supervised multi-feature learning for person re-identification.
In Proc. 2013 IEEE Int. Conf. Advanced Video and Signal-Based Surveillance, pp. 111-116, 2013.

Stefan Witwicki, Francisco Melo, Jesús Capitán, and Matthijs Spaan.
A flexible approach to modeling unpredictable events in MDPs.
In Proc. 23rd Int. Conf. Automated Planning and Scheduling, pp. 260-268, 2013.

João Messias, Matthijs Spaan, and Pedro Lima.
GSMDPs for multi-robot sequential decision-making.
In In Proc. 27th AAAI Conf. Artificial Intelligence, pp. 1408-1414, 2013.

João Messias, Matthijs Spaan, Pedro Lima.
Multiagent POMDPs with Asynchronous Execution.
In Proc. 12th Int. Conf. Autonomous Agents and Multiagent Systems, pp. 1273-1274, 2013 (to appear).

Juan Serrano-Cuerda, Marina Sokolova, Antonio Fernñandez-Caballero, María T. López, and José C. Castillo.
Fusion of overhead and lateral view video for enhanced people counting.
In Proc. 5th Int. Conf. Interplay between Natural and Artificial Computation, pp. 220-229, 2013.

Juan Serrano-Cuerda, José C. Castillo, Marina V. Sokolova, and Antonio Fernández-Caballero.
Efficient people counting from indoor overhead video camera.
In Proc. 11th Int. Conf. Practical Applications of Agents and Multi-Agent Systems, pp. 129-137, 2013.

Local Conferences, Workshops and Symposia

João Messias, Matthijs Spaan, and Pedro Lima.
Asynchronous execution in multiagent POMDPs: Reasoning over partially-observable events.
In Proc. AAMAS Workshop on Multiagent Sequential Decision-Making Under Uncertainty, 2013.

Stefan Witwicki, Francisco S. Melo, Jesús Capitán, Matthijs Spaan, and José C. Castillo.
Robot planning under uncertainty with unpredictable events.
In Proc. AAMAS Workshop on Autonomous Robots and Multirobot Systems, 2013.

2012

Journal Papers

Luis Merino, Andrew Gilbert, Jesús Capitán, Richard Bowden, John Illingworth, Aníbal Ollero.
Data fusion in ubiquitous networked robot systems for urban services.
Annales des Télécommunications, vol. 67(7-8):355-375, 2012.
DOI:10.1007/s12243-012-0311-1

International Conference Papers

P. Reddy, M. Veloso.
Factored models for multiscale decision making in smart grid customers.
In Proc. 26th AAAI Conf. Artificial Intelligence, 2012.

Frans Oliehoek, Stefan Witwicki, Leslie P. Kaelbling.
Influence-Based abstraction for multiagent systems.
In Proc. 26th AAAI Conf. Artificial Intelligence, pp. 1422-1428, 2012.

Stefan Witwicki, Frans Oliehoek, Leslie Kaelbling.
Heuristic search of multiagent influence space.
In Proc. 11th Int. Conf. Autonomous Agents and Multiagent Systems, pp. 973-980, 2012.

Stefan Witwicki, Inn-Tung Chen, Edmund Durfee, Satinder Singh.
Planning and evaluating multiagent influences under reward uncertainty (Extended abstract).
In Proc. 11th Int. Conf. Autonomous Agents and Multiagent Systems, pp. 1277-1278, 2012.

Jesus Capitan, Matthijs Spaan, Luis Merino, Aníbal Ollero.
Decentralized multi-robot cooperation with auctioned POMDPs.
In Proc. 2012 IEEE Int. Conf. Robotics and Automation, pp. 3323-3328, 2012.

Francisco S. Melo, Matthijs Spaan, Stefan Witwicki.
Query-POMDP: POMDP-based communication in multiagent systems.
In Multiagent Systems, Lecture Notes in Artificial Intelligence 7541, Springer, pp. 189-204, 2012.

Local Conferences, Workshops and Symposia

Francisco S. Melo, Alberto Sardinha, Stefan Witwicki, Laura Ramirez-Elizondo, Matthijs Spaan.
Decentralized multiagent planning for balance control in smart-grids.
In Proc. Int. Workshop on Information Technology for Energy Applications, pp. 21-24, 2012.

Francisco S. Melo, Matthijs Spaan, Stefan Witwicki.
Exploiting sparse interactions for optimizing communication in Dec-MDPs.
In Proc. AAMAS Workshop on Multiagent Sequential Decision Making in Uncertain Domains, pp. 40-47, 2012.

Jesús Capitán, Matthijs Spaan, Luis Merino.
Role-based cooperation for environmental monitoring with multiple UAVs.
In Proc. IROS Workshop on Robotics for Environmental Monitoring, 2012.

2011

Journal Papers

Francisco S. Melo, Manuela Veloso.
Decentralized MDPs with sparse interactions.
Artificial Intelligence, vol. 175(11):1757-1789, 2011.
DOI:10.1016/j.artint.2011.05.001

International Conference Papers

João Messias, Matthijs Spaan, Pedro Lima.
Efficient offline communication policies for factored multiagent POMDPs.
In Adv. Neural Information Processing Systems 24, pp. 1917-1925, 2011.

Dario Figueira, Alexandre Bernardino.
Re-identification of visual targets in camera networks: A comparison of techniques.
In Proc. 6th Int. Conf. Image Analysis and Recognition, pp. 294-303, 2011.

Prashant Reddy, M. Veloso.
Learned behaviors of multiple autonomous agents in smart grid markets.
In Proc. 25th AAAI Conf. Artificial Intelligence, pp. 1396-1401, 2011.

Plinio Moreno, Pedro Ribeiro, and José Santos-Victor.
Feature Selection for tracker-less human activity recognition.
In Proc. 6th Int. Conf. Image Analysis and Recognition, pp. 152-160, 2011.

Matthijs Spaan, Frans Oliehoek, Christopher Amato. Scaling up optimal heuristic search in Dec-POMDPs via incremental expansion. In Proc. 22nd Int. Joint Conf. Artificial Intelligence, pp. 2027–2032, 2011.

Prashant Reddy, Manuela Veloso.
Strategy learning for autonomous agents in smart grid markets.
In Proc. 22nd Int. Joint Conf. Artificial Intelligence, pp. 1446-1451, 2011.

Local Conferences, Workshops and Symposia

Frans Oliehoek, Stefan Witwicki, Leslie Kaelbling.
Heuristic search of multiagent influence space.
In Proc. European Workshop on Multiagent Systems, 2011.

Matthijs Spaan, Francisco S. Melo.
A POMDP-based model for optimizing communication in multiagent systems.
In Proc. European Workshop on Multiagent Systems, 2011.

Matthijs Spaan, Frans Oliehoek, Christopher Amato.
Scaling up optimal heuristic search in Dec-POMDPs via incremental expansion (extended abstract).
In Proc. 23rd Benelux Conf. Artificial Intelligence, pp. 433-434, 2011.

João Messias, Matthijs Spaan, Pedro Lima.
Exploiting sparse dependencies for communication reduction in multiagent planning under uncertainty.
In Proc. IJCAI Workshop on Decision Making in Partially Observable, Uncertain Worlds, 2011.

Luis Merino, Jesús Capitán, Antonio Ollero.
Person tracking in urban scenarios by robots cooperating with ubiquitous sensors.
In Proc. Robot-11, 2011.

Jesús Capitán, Matthijs Spaan, Luis Merino, Antonio Ollero.
Decentralized multi-robot cooperation with auctioned POMDPs.
In Proc. AAMAS Workshop on Multiagent Sequential Decision Making in Uncertain Domains, pp. 24-31, 2011.

Matthijs Spaan, Frans Oliehoek, Christopher Amato.
Scaling up optimal heuristic search in Dec-POMDPs via incremental expansion.
In Pro. AAMAS Workshop on Multiagent Sequential Decision Making in Uncertain Domains, pp. 63-70, 2011.

David Antunes, Dario Figueira, David Matos, Alexandre Bernardino, José Gaspar.
Multiple hypothesis tracking in camera networks.
In Proc. ICCV Workshop on Omnidirectional Vision, Camera Networks and Non-Classical Cameras, 2011.