Valdinei Freire

According to our database, Valdinei Freire authored at least 52 papers between 2006 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

GUBS criterion: Arbitrary trade-offs between cost and probability-to-goal in stochastic planning based on Expected Utility Theory.

Gabriel Nunes Crispino, Valdinei Freire, Karina Valdivia Delgado

Artif. Intell., March, 2023

Allocating Dynamic and Finite Resources to a Set of Known Tasks.

João da Silva, Sarajane Marques Peres, Daniel Cordeiro, Valdinei Freire

Proceedings of the Intelligent Systems - 12th Brazilian Conference, 2023

α-MCMP: Trade-Offs Between Probability and Cost in SSPs with the MCMP Criterion.

Gabriel Nunes Crispino, Valdinei Freire, Karina Valdivia Delgado

Proceedings of the Intelligent Systems - 12th Brazilian Conference, 2023

Forward-PECVaR Algorithm: Exact Evaluation for CVaR SSPs.

Willy Arthur Silva Reis, Denis Benevolo Pais, Valdinei Freire, Karina Valdivia Delgado

Proceedings of the 2023 International Conference on Autonomous Agents and Multiagent Systems, 2023

2022

Computerized Adaptive Testing: A Unified Approach Under Markov Decision Process.

Patricia Gilavert, Valdinei Freire

Proceedings of the Computational Science and Its Applications - ICCSA 2022, 2022

Resource Allocation Optimization in Business Processes Supported by Reinforcement Learning and Process Mining.

Thais Rodrigues Neubauer, Valdinei Freire da Silva, Marcelo Fantinato, Sarajane Marques Peres

Proceedings of the Intelligent Systems - 11th Brazilian Conference, 2022

2021

Recommendations for evaluating the performance of background subtraction algorithms for surveillance systems.

Silvio Ricardo Rodrigues Sanches, Antonio Carlos Sementille, Ivan Abdo Aguilar, Valdinei Freire

Multim. Tools Appl., 2021

Probability-to-Goal and Expected Cost Trade-Off in Stochastic Shortest Path.

Isabella Kuo, Valdinei Freire

Proceedings of the Computational Science and Its Applications - ICCSA 2021, 2021

Comprehensive Empirical Analysis of Stop Criteria in Computerized Adaptive Testing.

Patricia Gilavert, Valdinei Freire

Proceedings of the 13th International Conference on Computer Supported Education, 2021

Pirá: A Bilingual Portuguese-English Dataset for Question-Answering about the Ocean.

André F. A. Paschoal, Paulo Pirozelli, Valdinei Freire, Karina Valdivia Delgado, Sarajane M. Peres, Marcos Menon José, Flávio Nakasato Cação, André Seidel Oliveira, Anarosa A. F. Brandão, Anna H. R. Costa, Fábio Gagliardi Cozman

Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

2020

ALICAT: a customized approach to item selection process in computerized adaptive testing.

Victor M. G. Jatobá, Jorge S. Farias, Valdinei Freire, André Siqueira Ruela, Karina Valdivia Delgado

J. Braz. Comput. Soc., 2020

Risk-Sensitive Piecewise-Linear Policy Iteration for Stochastic Shortest Path Markov Decision Processes.

Henrique Dias Pastor, Igor Oliveira Borges, Valdinei Freire, Karina Valdivia Delgado, Leliane Nunes de Barros

Proceedings of the Advances in Soft Computing, 2020

Risk Sensitive Markov Decision Process for Portfolio Management.

Eduardo Lopes Pereira Neto, Valdinei Freire, Karina Valdivia Delgado

Proceedings of the Advances in Soft Computing, 2020

OvNMTF Algorithm: an Overlapping Non-Negative Matrix Tri-Factorization for Coclustering.

Waldyr Lourenco de Freitas, Sarajane M. Peres, Valdinei Freire, Lucas Fernandes Brunialti

Proceedings of the 2020 International Joint Conference on Neural Networks, 2020

Risk Sensitive Stochastic Shortest Path and LogSumExp: From Theory to Practice.

Elthon Manhas de Freitas, Valdinei Freire, Karina Valdivia Delgado

Proceedings of the Intelligent Systems - 9th Brazilian Conference, 2020

Finding Feasible Policies for Extreme Risk-Averse Agents in Probabilistic Planning.

Milton Condori Fernandez, Leliane N. de Barros, Denis Deratani Mauá, Karina Valdivia Delgado, Valdinei Freire

Proceedings of the Intelligent Systems - 9th Brazilian Conference, 2020

2019

PAD: a perceptual application-dependent metric for quality assessment of segmentation algorithms.

Silvio Ricardo Rodrigues Sanches, Antonio Carlos Sementille, Romero Tori, Luiz Ricardo Nakamura, Valdinei Freire

Multim. Tools Appl., 2019

Challenging situations for background subtraction algorithms.

Silvio Ricardo Rodrigues Sanches, Claiton de Oliveira, Antonio Carlos Sementille, Valdinei Freire

Appl. Intell., 2019

An Exact Algorithm to Make a Trade-Off between Cost and Probability in SSPs.

Valdinei Freire, Karina Valdivia Delgado, Willy Arthur Silva Reis

Proceedings of the Twenty-Ninth International Conference on Automated Planning and Scheduling, 2019

2018

Inventory Routing Problem with Time Windows: A systematic review of the literature.

Pedro Yuri A. L. Alves, Karina Valdivia Delgado, Valdinei Freire da Silva

Proceedings of the XIV Brazilian Symposium on Information Systems, 2018

System to Solve the Inventory Routing Problem with Stochastic Demand and Time Window.

Pedro Yuri A. L. Alves, Karina Valdivia Delgado, Alexandre da Silva Freire, Valdinei Freire da Silva

Proceedings of the XIV Brazilian Symposium on Information Systems, 2018

2017

Processos de decisão de Markov com sensibilidade a risco com função de utilidade exponencial: Uma revisão sistemática da literatura.

Elthon Manhas de Freitas, Karina Valdivia Delgado, Valdinei F. Silva

Proceedings of the 13th Brazilian Symposium on Information Systems, 2017

Sistema para Resolver o Problema de Roteamento e Inventário com Demanda Estocástica: Comparando Diferentes Heurísticas na Relaxação Lagrangeana.

Pedro Yuri A. L. Alves, Karina Valdivia Delgado, Alexandre da Silva Freire, Valdinei F. Silva

Proceedings of the 13th Brazilian Symposium on Information Systems, 2017

Learning-Process Evaluation to Select Spatial Abstractions in Reinforcement Learning.

Cleiton Alves da Silva, Valdinei Freire

Proceedings of the 2017 Brazilian Conference on Intelligent Systems, 2017

The BinOvNMTF Algorithm: Overlapping Columns Co-clustering Based on Non-negative Matrix Tri-factorization.

Lucas Fernandes Brunialti, Sarajane Marques Peres, Valdinei Freire da Silva, Clodoaldo Aparecido de Moraes Lima

Proceedings of the 2017 Brazilian Conference on Intelligent Systems, 2017

GUBS: a Utility-Based Semantic for Goal-Directed Markov Decision Processes.

Valdinei Freire, Karina Valdivia Delgado

Proceedings of the 16th Conference on Autonomous Agents and MultiAgent Systems, 2017

2016

Analysis of Choreographed Human Movements Using Depth Cameras: A Systematic Review.

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

Proceedings of the Human-Computer Interaction. Interaction Platforms and Techniques, 2016

Automatic Facial Recognition: A Systematic Review on the Problem of Light Variation.

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

Proceedings of the Human-Computer Interaction. Interaction Platforms and Techniques, 2016

Introducing a Language for Human Stance Description.

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

Proceedings of the Digital Human Modeling: Applications in Health, Safety, Ergonomics and Risk Management, 2016

Extreme Risk Averse Policy for Goal-Directed Risk-Sensitive Markov Decision Process.

Valdinei Freire, Karina Valdivia Delgado

Proceedings of the 5th Brazilian Conference on Intelligent Systems, 2016

The Role of Discount Factor in Risk Sensitive Markov Decision Processes.

Valdinei Freire

Proceedings of the 5th Brazilian Conference on Intelligent Systems, 2016

2015

Stochastic Abstract Policies: Generalizing Knowledge to Improve Reinforcement Learning.

Marcelo Li Koga, Valdinei Freire da Silva, Anna Helena Reali Costa

IEEE Trans. Cybern., 2015

Evaluation of linear relaxations in Ad Network optimization for online marketing.

Valdinei Freire da Silva, Flavio Sales Truzzi, Anna Helena Reali Costa, Fábio Gagliardi Cozman

J. Braz. Comput. Soc., 2015

Segmentation Quality for Augmented Reality: An Objective Metric.

Danilo Vitori Salioni, Silvio Ricardo Rodrigues Sanches, Valdinei F. Silva, Tiago De Gaspari, Antonio Carlos Sementille

Proceedings of the XVII Symposium on Virtual and Augmented Reality, 2015

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].

Lucas Fernandes Brunialti, Sarajane Marques Peres, Valdinei Freire, Clodoaldo Ap. M. Lima

Proceedings of the annual conference on Brazilian Symposium on Information Systems, 2015

Comparative Analysis of Abstract Policies to Transfer Learning in Robotics Navigation.

Valdinei Freire da Silva, Anna Helena Reali Costa

Proceedings of the Knowledge, 2015

2013

Reusing Risk-Aware Stochastic Abstract Policies in Robotic Navigation Learning.

Valdinei Freire da Silva, Marcelo Li Koga, Fábio Gagliardi Cozman, Anna Helena Reali Costa

Proceedings of the RoboCup 2013: Robot World Cup XVII [papers from the 17th Annual RoboCup International Symposium, 2013

Objective assessment of video segmentation quality for augmented reality.

Silvio Ricardo Rodrigues Sanches, Valdinei F. Silva, Luiz Ricardo Nakamura, Romero Tori

Proceedings of the 2013 IEEE International Conference on Multimedia and Expo, 2013

Ad Network Optimization: Evaluating Linear Relaxations.

Flavio Sales Truzzi, Valdinei Freire da Silva, Anna Helena Reali Costa, Fábio Gagliardi Cozman

Proceedings of the Brazilian Conference on Intelligent Systems, 2013

Speeding-up reinforcement learning through abstraction and transfer learning.

Marcelo Li Koga, Valdinei Freire da Silva, Fábio Gagliardi Cozman, Anna Helena Reali Costa

Proceedings of the International conference on Autonomous Agents and Multi-Agent Systems, 2013

2012

Mutual occlusion between real and virtual elements in Augmented Reality based on fiducial markers.

Silvio Ricardo Rodrigues Sanches, Daniel Makoto Tokunaga, Valdinei F. Silva, Antonio Carlos Sementille, Romero Tori

Proceedings of the IEEE Workshop on Applications of Computer Vision, 2012

Subjective Video Quality Assessment in Segmentation for Augmented Reality Applications.

Silvio Ricardo Rodrigues Sanches, Daniel Makoto Tokunaga, Valdinei F. Silva, Romero Tori

Proceedings of the 14th Symposium on Virtual and Augmented Reality, 2012

Shortest Stochastic Path with Risk Sensitive Evaluation.

Renato Minami, Valdinei Freire da Silva

Proceedings of the Advances in Artificial Intelligence, 2012

Forward and Backward Feature Selection in Gradient-Based MDP Algorithms.

Karina Olga Maizman Bogdan, Valdinei Freire da Silva

Proceedings of the Advances in Artificial Intelligence, 2012

Finding Memoryless Probabilistic Relational Policies for Inter-task Reuse.

Valdinei Freire da Silva, Fernando A. Pereira, Anna Helena Reali Costa

Proceedings of the Advances on Computational Intelligence, 2012

Bilayer Segmentation Augmented with Future Evidence.

Silvio Ricardo Rodrigues Sanches, Valdinei Freire da Silva, Romero Tori

Proceedings of the Computational Science and Its Applications - ICCSA 2012, 2012

2011

Simultaneous Abstract and Concrete Reinforcement Learning.

Tiago Matos, Yannick Plaino Bergamo, Valdinei Freire da Silva, Fábio Gagliardi Cozman, Anna Helena Reali Costa

Proceedings of the Ninth Symposium on Abstraction, Reformulation, and Approximation, 2011

A Geometric Approach to Find Nondominated Policies to Imprecise Reward MDPs.

Valdinei Freire da Silva, Anna Helena Reali Costa

Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2011

Stochastic Abstract Policies for Knowledge Transfer in Robotic Navigation Tasks.

Tiago Matos, Yannick Plaino Bergamo, Valdinei Freire da Silva, Anna Helena Reali Costa

Proceedings of the Advances in Artificial Intelligence, 2011

2009

Compulsory Flow Q-Learning: an RL algorithm for robot navigation based on partial-policy and macro-states.

Valdinei Freire da Silva, Anna Helena Reali Costa

J. Braz. Comput. Soc., 2009

2007

Eliciting preferences over observed behaviours based on relative evaluations.

Valdinei Freire da Silva, Pedro U. Lima, Anna Helena Reali Costa

Proceedings of the 2007 IEEE/RSJ International Conference on Intelligent Robots and Systems, October 29, 2007

2006

Inverse Reinforcement Learning with Evaluation.

Valdinei Freire da Silva, Anna Helena Reali Costa, Pedro U. Lima

Proceedings of the 2006 IEEE International Conference on Robotics and Automation, 2006