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ORCIDValdinei Freire
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- affiliation: University of São Paulo, Brazil
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Journal Articles
- 2024
[j10]Gabriel Nunes Crispino, Valdinei Freire
, Karina Valdivia Delgado:
Monte Carlo Tree Search Algorithm for SSPs Under the GUBS Criterion. CLEI Electron. J. 27(3) (2024)- [j9]Silvio Ricardo Rodrigues Sanches, Elton Custódio Junior, Cléber Gimenez Corrêa, Claiton de Oliveira, Valdinei Freire, Priscila Tiemi Maeda Saito, Pedro Henrique Bugatti:
Automatic generation of difficulty maps for datasets using neural network. Multim. Tools Appl. 83(25): 66499-66516 (2024) - 2023
- [j8]Gabriel Nunes Crispino, Valdinei Freire, Karina Valdivia Delgado:
GUBS criterion: Arbitrary trade-offs between cost and probability-to-goal in stochastic planning based on Expected Utility Theory. Artif. Intell. 316: 103848 (2023) - 2021
- [j7]Silvio Ricardo Rodrigues Sanches, Antonio Carlos Sementille, Ivan Abdo Aguilar, Valdinei Freire:
Recommendations for evaluating the performance of background subtraction algorithms for surveillance systems. Multim. Tools Appl. 80(3): 4421-4454 (2021) - 2020
- [j6]Victor M. G. Jatobá, Jorge S. Farias, Valdinei Freire, André Siqueira Ruela, Karina Valdivia Delgado:
ALICAT: a customized approach to item selection process in computerized adaptive testing. J. Braz. Comput. Soc. 26(1): 4 (2020) - 2019
- [j5]Silvio Ricardo Rodrigues Sanches, Claiton de Oliveira, Antonio Carlos Sementille, Valdinei Freire:
Challenging situations for background subtraction algorithms. Appl. Intell. 49(5): 1771-1784 (2019) - [j4]Silvio Ricardo Rodrigues Sanches, Antonio Carlos Sementille, Romero Tori, Luiz Ricardo Nakamura, Valdinei Freire:
PAD: a perceptual application-dependent metric for quality assessment of segmentation algorithms. Multim. Tools Appl. 78(22): 32393-32417 (2019) - 2015
- [j3]Valdinei Freire da Silva, Flavio Sales Truzzi, Anna Helena Reali Costa, Fábio Gagliardi Cozman:
Evaluation of linear relaxations in Ad Network optimization for online marketing. J. Braz. Comput. Soc. 21(1): 13:1-13:13 (2015) - [j2]Marcelo Li Koga, Valdinei Freire da Silva, Anna Helena Reali Costa:
Stochastic Abstract Policies: Generalizing Knowledge to Improve Reinforcement Learning. IEEE Trans. Cybern. 45(1): 77-88 (2015) - 2009
- [j1]Valdinei Freire da Silva, Anna Helena Reali Costa:
Compulsory Flow Q-Learning: an RL algorithm for robot navigation based on partial-policy and macro-states. J. Braz. Comput. Soc. 15(3): 65-75 (2009)
Conference and Workshop Papers
- 2024
- [c47]Willy Arthur Silva Reis, Karina Valdivia Delgado, Valdinei Freire:
A Unified Framework for Average Reward Criterion and Risk. BRACIS (1) 2024: 96-110 - [c46]Guilherme Albarrans, Valdinei Freire:
Likelihood Estimator for Multi Model-Based Reinforcement Learning. BRACIS (2) 2024: 184-198 - [c45]Christian Delgado Polar, Karina Valdivia Delgado, Valdinei Freire:
Reinforcement Learning with Utility-Based Semantic for Goals. BRACIS (2) 2024: 354-369 - 2023
- [c44]Willy Arthur Silva Reis, Denis Benevolo Pais, Valdinei Freire, Karina Valdivia Delgado:
Forward-PECVaR Algorithm: Exact Evaluation for CVaR SSPs. AAMAS 2023: 2364-2366 - [c43]Gabriel Nunes Crispino, Valdinei Freire, Karina Valdivia Delgado:
α-MCMP: Trade-Offs Between Probability and Cost in SSPs with the MCMP Criterion. BRACIS (1) 2023: 112-127 - [c42]João da Silva, Sarajane Marques Peres, Daniel Cordeiro, Valdinei Freire:
Allocating Dynamic and Finite Resources to a Set of Known Tasks. BRACIS (1) 2023: 193-208 - 2022
- [c41]Thais Rodrigues Neubauer, Valdinei Freire da Silva, Marcelo Fantinato, Sarajane Marques Peres:
Resource Allocation Optimization in Business Processes Supported by Reinforcement Learning and Process Mining. BRACIS (1) 2022: 580-595 - [c40]Patricia Gilavert, Valdinei Freire:
Computerized Adaptive Testing: A Unified Approach Under Markov Decision Process. ICCSA (1) 2022: 591-602 - 2021
- [c39]André F. A. Paschoal, Paulo Pirozelli, Valdinei Freire, Karina Valdivia Delgado, Sarajane M. Peres, Marcos M. José, Flávio Nakasato Cação, André Seidel Oliveira, Anarosa A. F. Brandão, Anna H. R. Costa, Fábio Gagliardi Cozman:
Pirá: A Bilingual Portuguese-English Dataset for Question-Answering about the Ocean. CIKM 2021: 4544-4553 - [c38]Patricia Gilavert, Valdinei Freire:
Comprehensive Empirical Analysis of Stop Criteria in Computerized Adaptive Testing. CSEDU (1) 2021: 48-59 - [c37]Isabella Kuo, Valdinei Freire:
Probability-to-Goal and Expected Cost Trade-Off in Stochastic Shortest Path. ICCSA (3) 2021: 111-125 - 2020
- [c36]Milton Condori Fernandez, Leliane N. de Barros, Denis Deratani Mauá, Karina Valdivia Delgado, Valdinei Freire:
Finding Feasible Policies for Extreme Risk-Averse Agents in Probabilistic Planning. BRACIS (2) 2020: 93-107 - [c35]Elthon Manhas de Freitas, Valdinei Freire, Karina Valdivia Delgado:
Risk Sensitive Stochastic Shortest Path and LogSumExp: From Theory to Practice. BRACIS (2) 2020: 123-139 - [c34]Waldyr Lourenco de Freitas, Sarajane M. Peres, Valdinei Freire, Lucas Fernandes Brunialti:
OvNMTF Algorithm: an Overlapping Non-Negative Matrix Tri-Factorization for Coclustering. IJCNN 2020: 1-8 - [c33]Eduardo Lopes Pereira Neto, Valdinei Freire, Karina Valdivia Delgado:
Risk Sensitive Markov Decision Process for Portfolio Management. MICAI (1) 2020: 370-382 - [c32]Henrique Dias Pastor, Igor Oliveira Borges, Valdinei Freire, Karina Valdivia Delgado, Leliane Nunes de Barros:
Risk-Sensitive Piecewise-Linear Policy Iteration for Stochastic Shortest Path Markov Decision Processes. MICAI (1) 2020: 383-395 - 2019
- [c31]Valdinei Freire, Karina Valdivia Delgado, Willy Arthur Silva Reis:
An Exact Algorithm to Make a Trade-Off between Cost and Probability in SSPs. ICAPS 2019: 146-154 - 2018
- [c30]Pedro Yuri A. L. Alves, Karina Valdivia Delgado, Valdinei Freire da Silva:
Inventory Routing Problem with Time Windows: A systematic review of the literature. SBSI 2018: 28:1-28:8 - [c29]Pedro Yuri A. L. Alves, Karina Valdivia Delgado, Alexandre da Silva Freire, Valdinei Freire da Silva:
System to Solve the Inventory Routing Problem with Stochastic Demand and Time Window. SBSI 2018: 29:1-29:8 - 2017
- [c28]Valdinei Freire, Karina Valdivia Delgado:
GUBS: a Utility-Based Semantic for Goal-Directed Markov Decision Processes. AAMAS 2017: 741-749 - [c27]Cleiton Alves da Silva, Valdinei Freire:
Learning-Process Evaluation to Select Spatial Abstractions in Reinforcement Learning. BRACIS 2017: 145-150 - [c26]Lucas Fernandes Brunialti, Sarajane Marques Peres, Valdinei Freire da Silva, Clodoaldo Aparecido de Moraes Lima:
The BinOvNMTF Algorithm: Overlapping Columns Co-clustering Based on Non-negative Matrix Tri-factorization. BRACIS 2017: 330-335 - [c25]Elthon Manhas de Freitas, Karina Valdivia Delgado, Valdinei F. Silva:
Processos de decisão de Markov com sensibilidade a risco com função de utilidade exponencial: Uma revisão sistemática da literatura. SBSI 2017: 214-221 - [c24]Pedro Yuri A. L. Alves, Karina Valdivia Delgado, Alexandre da Silva Freire, Valdinei F. Silva:
Sistema para Resolver o Problema de Roteamento e Inventário com Demanda Estocástica: Comparando Diferentes Heurísticas na Relaxação Lagrangeana. SBSI 2017: 555-562 - 2016
- [c23]Valdinei Freire, Karina Valdivia Delgado:
Extreme Risk Averse Policy for Goal-Directed Risk-Sensitive Markov Decision Process. BRACIS 2016: 79-84 - [c22]Valdinei Freire:
The Role of Discount Factor in Risk Sensitive Markov Decision Processes. BRACIS 2016: 480-485 - [c21]Danilo Ribeiro, João Luiz Bernardes, Norton Trevisan Roman, Marcelo M. Antunes, Enrique M. Ortega, Antonio W. Sousa, Luciano A. Digiampietri, Luís M. del Val Cura, Valdinei F. Silva, Clodoaldo Ap. M. Lima:
Analysis of Choreographed Human Movements Using Depth Cameras: A Systematic Review. HCI (2) 2016: 82-92 - [c20]António C. Mabiala, Antonio W. Sousa, Norton Trevisan Roman, João Luiz Bernardes Jr., Marcelo M. Antunes, Enrique M. Ortega, Luciano A. Digiampietri, Luís M. del Val Cura, Valdinei F. da Silva, Clodoaldo Ap. M. Lima:
Introducing a Language for Human Stance Description. HCI (15) 2016: 179-190 - [c19]Kelvin S. Prado, Norton Trevisan Roman, Valdinei F. Silva, João Luiz Bernardes Jr., Luciano A. Digiampietri, Enrique M. Ortega, Clodoaldo Ap. M. Lima, Luís M. del Val Cura, Marcelo M. Antunes:
Automatic Facial Recognition: A Systematic Review on the Problem of Light Variation. HCI (2) 2016: 211-221 - 2015
- [c18]Valdinei Freire da Silva, Anna Helena Reali Costa:
Comparative Analysis of Abstract Policies to Transfer Learning in Robotics Navigation. AAAI Workshop: Knowledge, Skill, and Behavior Transfer in Autonomous Robots 2015 - [c17]Lucas Fernandes Brunialti, Sarajane Marques Peres, Valdinei Freire, Clodoaldo Ap. M. Lima:
Aprendizado de Máquina em Sistemas de Recomendação Baseados em Conteúdo Textual: Uma Revisão Sistemática [Machine Learning in Textual Content-Based Recommendation Systems: A Systematic Review]. SBSI 2015: 203-210 - [c16]Danilo Vitori Salioni, Silvio Ricardo Rodrigues Sanches, Valdinei F. Silva, Tiago De Gaspari, Antonio Carlos Sementille:
Segmentation Quality for Augmented Reality: An Objective Metric. SVR 2015: 212-219 - 2013
- [c15]Marcelo Li Koga, Valdinei Freire da Silva, Fábio Gagliardi Cozman, Anna Helena Reali Costa:
Speeding-up reinforcement learning through abstraction and transfer learning. AAMAS 2013: 119-126 - [c14]Flavio Sales Truzzi, Valdinei Freire da Silva, Anna Helena Reali Costa, Fábio Gagliardi Cozman:
Ad Network Optimization: Evaluating Linear Relaxations. BRACIS 2013: 219-224 - [c13]Silvio Ricardo Rodrigues Sanches, Valdinei F. Silva, Luiz Ricardo Nakamura, Romero Tori:
Objective assessment of video segmentation quality for augmented reality. ICME 2013: 1-6 - [c12]Valdinei Freire da Silva, Marcelo Li Koga, Fábio Gagliardi Cozman, Anna Helena Reali Costa:
Reusing Risk-Aware Stochastic Abstract Policies in Robotic Navigation Learning. RoboCup 2013: 256-267 - 2012
- [c11]Silvio Ricardo Rodrigues Sanches, Valdinei Freire da Silva, Romero Tori:
Bilayer Segmentation Augmented with Future Evidence. ICCSA (2) 2012: 699-711 - [c10]Valdinei Freire da Silva, Fernando A. Pereira, Anna Helena Reali Costa:
Finding Memoryless Probabilistic Relational Policies for Inter-task Reuse. IPMU (2) 2012: 107-116 - [c9]Renato Minami, Valdinei Freire da Silva:
Shortest Stochastic Path with Risk Sensitive Evaluation. MICAI (1) 2012: 371-382 - [c8]Karina Olga Maizman Bogdan, Valdinei Freire da Silva:
Forward and Backward Feature Selection in Gradient-Based MDP Algorithms. MICAI (1) 2012: 383-394 - [c7]Silvio Ricardo Rodrigues Sanches, Daniel Makoto Tokunaga, Valdinei F. Silva, Romero Tori:
Subjective Video Quality Assessment in Segmentation for Augmented Reality Applications. SVR 2012: 46-55 - [c6]Silvio Ricardo Rodrigues Sanches, Daniel Makoto Tokunaga, Valdinei F. Silva, Antonio Carlos Sementille, Romero Tori:
Mutual occlusion between real and virtual elements in Augmented Reality based on fiducial markers. WACV 2012: 49-54 - 2011
- [c5]Tiago Matos, Yannick Plaino Bergamo, Valdinei Freire da Silva, Anna Helena Reali Costa:
Stochastic Abstract Policies for Knowledge Transfer in Robotic Navigation Tasks. MICAI (1) 2011: 454-465 - [c4]Valdinei Freire da Silva, Anna Helena Reali Costa:
A Geometric Approach to Find Nondominated Policies to Imprecise Reward MDPs. ECML/PKDD (1) 2011: 439-454 - [c3]Tiago Matos, Yannick Plaino Bergamo, Valdinei Freire da Silva, Fábio Gagliardi Cozman, Anna Helena Reali Costa:
Simultaneous Abstract and Concrete Reinforcement Learning. SARA 2011 - 2007
- [c2]Valdinei Freire da Silva, Pedro U. Lima, Anna Helena Reali Costa:
Eliciting preferences over observed behaviours based on relative evaluations. IROS 2007: 423-428 - 2006
- [c1]Valdinei Freire da Silva, Anna Helena Reali Costa, Pedro U. Lima:
Inverse Reinforcement Learning with Evaluation. ICRA 2006: 4246-4251
Informal and Other Publications
- 2023
- [i2]Willy Arthur Silva Reis, Denis Benevolo Pais, Valdinei Freire, Karina Valdivia Delgado:
Forward-PECVaR Algorithm: Exact Evaluation for CVaR SSPs. CoRR abs/2303.00672 (2023) - 2022
- [i1]André F. A. Paschoal, Paulo Pirozelli, Valdinei Freire, Karina Valdivia Delgado, Sarajane M. Peres, Marcos M. José, Flávio Nakasato Cação, André Seidel Oliveira, Anarosa A. F. Brandão, Anna H. R. Costa, Fábio G. Cozman:
Pirá: A Bilingual Portuguese-English Dataset for Question-Answering about the Ocean. CoRR abs/2202.02398 (2022)
Coauthor Index
aka: Anna H. R. Costa
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