no code implementations • 28 Sep 2023 • Diogo S. Carvalho, Pedro A. Santos, Francisco S. Melo
By exploring the properties of this operator, we identify conditions under which the projected multi-Bellman operator becomes contractive, providing improved fixed-point guarantees compared to the Bellman operator.
no code implementations • 7 Jan 2023 • Vasco Nunes, João Dias, Pedro A. Santos
Maps are a very important component of strategy games, and a time-consuming task if done by hand.
1 code implementation • 12 Oct 2022 • Pedro P. Santos, Diogo S. Carvalho, Miguel Vasco, Alberto Sardinha, Pedro A. Santos, Ana Paiva, Francisco S. Melo
We introduce hybrid execution in multi-agent reinforcement learning (MARL), a new paradigm in which agents aim to successfully complete cooperative tasks with arbitrary communication levels at execution time by taking advantage of information-sharing among the agents.
Multi-agent Reinforcement Learning reinforcement-learning +2
no code implementations • 27 Jul 2022 • Manuel Guimarães, Pedro A. Santos, Arnav Jhala
This work presents an implementation of a social architecture model for authoring Non-Player Character (NPC) in open world games inspired in academic research on agentbased modeling.
no code implementations • 7 Jun 2022 • Manuel Guimarães, Joana Campos, Pedro A. Santos, João Dias, Rui Prada
In this paper we introduce the concept of Explainable Social Agent Authoring Tools with the goal of analysing if authoring tools for social agents are understandable and interpretable.
no code implementations • 10 Mar 2022 • Maria Duarte, Pedro A. Santos, João Dias, Jorge Baptista
Being able to clearly interpret legal texts and fully understanding our rights, obligations and other legal norms has become progressively more important in the digital society.
no code implementations • 10 Mar 2022 • João Dias, Pedro A. Santos, Nuno Cordeiro, Ana Antunes, Bruno Martins, Jorge Baptista, Carlos Gonçalves
While Artificial Intelligence applied to the legal domain is a topic with origins in the last century, recent advances in Artificial Intelligence are posed to revolutionize it.
no code implementations • 29 Jun 2021 • Ricardo Quinteiro, Francisco S. Melo, Pedro A. Santos
This paper addresses the problem of optimal control using search trees.
no code implementations • 4 Mar 2021 • Samuel Mascarenhas, Manuel Guimarães, Pedro A. Santos, João Dias, Rui Prada, Ana Paiva
More than a decade has passed since the development of FearNot!, an application designed to help children deal with bullying through role-playing with virtual characters.
Decision Making Multiagent Systems Human-Computer Interaction Robotics
no code implementations • 15 Feb 2021 • Diogo S. Carvalho, Joana Campos, Manuel Guimarães, Ana Antunes, João Dias, Pedro A. Santos
Autonomous agents that can engage in social interactions witha human is the ultimate goal of a myriad of applications.
1 code implementation • 15 Jun 2020 • Matilde Tristany Farinha, Sérgio Pequito, Pedro A. Santos, Mário A. T. Figueiredo
Artificial neural networks, one of the most successful approaches to supervised learning, were originally inspired by their biological counterparts.