Search Results for author: Ana L. C. Bazzan

Found 10 papers, 5 papers with code

A Toolkit for Reliable Benchmarking and Research in Multi-Objective Reinforcement Learning

2 code implementations Conference on Neural Information Processing Systems Datasets and Benchmarks Track 2023 Florian Felten, Lucas N. Alegre, Ann Nowé, Ana L. C. Bazzan, El-Ghazali Talbi, Grégoire Danoy, Bruno C. da Silva

Multi-objective reinforcement learning algorithms (MORL) extend standard reinforcement learning (RL) to scenarios where agents must optimize multiple---potentially conflicting---objectives, each represented by a distinct reward function.

Benchmarking Multi-Objective Reinforcement Learning +1

Sample-Efficient Multi-Objective Learning via Generalized Policy Improvement Prioritization

2 code implementations18 Jan 2023 Lucas N. Alegre, Ana L. C. Bazzan, Diederik M. Roijers, Ann Nowé, Bruno C. da Silva

Finally, we introduce a bound that characterizes the maximum utility loss (with respect to the optimal solution) incurred by the partial solutions computed by our method throughout learning.

Active Learning Multi-Objective Reinforcement Learning

Optimistic Linear Support and Successor Features as a Basis for Optimal Policy Transfer

1 code implementation22 Jun 2022 Lucas N. Alegre, Ana L. C. Bazzan, Bruno C. da Silva

If reward functions are expressed linearly, and the agent has previously learned a set of policies for different tasks, successor features (SFs) can be exploited to combine such policies and identify reasonable solutions for new problems.

Reinforcement Learning (RL) Transfer Learning

Improving Urban Mobility: using artificial intelligence and new technologies to connect supply and demand

no code implementations18 Mar 2022 Ana L. C. Bazzan

As the demand for mobility in our society seems to increase, the various issues centered on urban mobility are among those that worry most city inhabitants in this planet.

Autonomous Vehicles Management

Quantitatively Assessing the Benefits of Model-driven Development in Agent-based Modeling and Simulation

no code implementations15 Jun 2020 Fernando Santos, Ingrid Nunes, Ana L. C. Bazzan

The agent-based modeling and simulation (ABMS) paradigm has been used to analyze, reproduce, and predict phenomena related to many application areas.

Code Generation

Quantifying the Impact of Non-Stationarity in Reinforcement Learning-Based Traffic Signal Control

no code implementations9 Apr 2020 Lucas N. Alegre, Ana L. C. Bazzan, Bruno C. da Silva

In this paper we analyze the effects that different sources of non-stationarity have in a network of traffic signals, in which each signal is modeled as a learning agent.

Reinforcement Learning (RL)

Temporal Network Analysis of Literary Texts

no code implementations22 Feb 2016 Sandra D. Prado, Silvio R. Dahmen, Ana L. C. Bazzan, Padraig Mac Carron, Ralph Kenna

We study temporal networks of characters in literature focusing on "Alice's Adventures in Wonderland" (1865) by Lewis Carroll and the anonymous "La Chanson de Roland" (around 1100).

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