Search Results for author: Yusuke Nojima

Found 11 papers, 4 papers with code

Privacy-preserving Continual Federated Clustering via Adaptive Resonance Theory

1 code implementation7 Sep 2023 Naoki Masuyama, Yusuke Nojima, Yuichiro Toda, Chu Kiong Loo, Hisao Ishibuchi, Naoyuki Kubota

In the clustering domain, various algorithms with a federated learning framework (i. e., federated clustering) have been actively studied and showed high clustering performance while preserving data privacy.

Clustering Continual Learning +2

A Parameter-free Adaptive Resonance Theory-based Topological Clustering Algorithm Capable of Continual Learning

1 code implementation1 May 2023 Naoki Masuyama, Takanori Takebayashi, Yusuke Nojima, Chu Kiong Loo, Hisao Ishibuchi, Stefan Wermter

In general, a similarity threshold (i. e., a vigilance parameter) for a node learning process in Adaptive Resonance Theory (ART)-based algorithms has a significant impact on clustering performance.

Clustering Continual Learning

Reference Vector Adaptation and Mating Selection Strategy via Adaptive Resonance Theory-based Clustering for Many-objective Optimization

no code implementations22 Apr 2022 Takato Kinoshita, Naoki Masuyama, Yiping Liu, Yusuke Nojima, Hisao Ishibuchi

Decomposition-based multiobjective evolutionary algorithms (MOEAs) with clustering-based reference vector adaptation show good optimization performance for many-objective optimization problems (MaOPs).

Clustering Evolutionary Algorithms

Class-wise Classifier Design Capable of Continual Learning using Adaptive Resonance Theory-based Topological Clustering

1 code implementation18 Mar 2022 Naoki Masuyama, Yusuke Nojima, Farhan Dawood, Zongying Liu

This paper proposes a supervised classification algorithm capable of continual learning by utilizing an Adaptive Resonance Theory (ART)-based growing self-organizing clustering algorithm.

Classification Clustering +1

Adaptive Resonance Theory-based Topological Clustering with a Divisive Hierarchical Structure Capable of Continual Learning

no code implementations26 Jan 2022 Naoki Masuyama, Narito Amako, Yuna Yamada, Yusuke Nojima, Hisao Ishibuchi

In addition, for improving information extraction performance, a divisive hierarchical clustering algorithm capable of continual learning is proposed by introducing a hierarchical structure to the proposed algorithm.

Clustering Continual Learning

Effects of Different Optimization Formulations in Evolutionary Reinforcement Learning on Diverse Behavior Generation

no code implementations15 Oct 2021 Victor Villin, Naoki Masuyama, Yusuke Nojima

To that effect, this paper considers an existing evolutionary reinforcement learning framework which exploits multi-objective optimization as a way to obtain policies that succeed at behavior-related tasks as well as completing the main goal.

Atari Games reinforcement-learning +1

Multi-label Classification via Adaptive Resonance Theory-based Clustering

1 code implementation2 Mar 2021 Naoki Masuyama, Yusuke Nojima, Chu Kiong Loo, Hisao Ishibuchi

This paper proposes a multi-label classification algorithm capable of continual learning by applying an Adaptive Resonance Theory (ART)-based clustering algorithm and the Bayesian approach for label probability computation.

Classification Clustering +3

Towards Realistic Optimization Benchmarks: A Questionnaire on the Properties of Real-World Problems

no code implementations14 Apr 2020 Koen van der Blom, Timo M. Deist, Tea Tušar, Mariapia Marchi, Yusuke Nojima, Akira Oyama, Vanessa Volz, Boris Naujoks

This work aims to identify properties of real-world problems through a questionnaire on real-world single-, multi-, and many-objective optimization problems.

A GFML-based Robot Agent for Human and Machine Cooperative Learning on Game of Go

no code implementations22 Jan 2019 Chang-Shing Lee, Mei-Hui Wang, Li-Chuang Chen, Yusuke Nojima, Tzong-Xiang Huang, Jinseok Woo, Naoyuki Kubota, Eri Sato-Shimokawara, Toru Yamaguchi

This paper applies a genetic algorithm and fuzzy markup language to construct a human and smart machine cooperative learning system on game of Go.

Game of Go

FML-based Prediction Agent and Its Application to Game of Go

no code implementations16 Apr 2017 Chang-Shing Lee, Mei-Hui Wang, Chia-Hsiu Kao, Sheng-Chi Yang, Yusuke Nojima, Ryosuke Saga, Nan Shuo, Naoyuki Kubota

In this paper, we present a robotic prediction agent including a darkforest Go engine, a fuzzy markup language (FML) assessment engine, an FML-based decision support engine, and a robot engine for game of Go application.

Game of Go

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