Akira Hara

Publication Activity (10 Years)

Years Active: 1999-2022
Publications (10 Years): 20

Top Topics

Genetic Programming

Rank Correlation

Population Diversity

Top Venues

Publications

Yoshifumi Noda, Hiroyuki Tomita, Takuma Ishihara, Yoshiki Tsuboi, Nobuyuki Kawai, Masaya Kawaguchi, Tetsuro Kaga, Fuminori Hyodo, Akira Hara, Avinash R. Kambadakone, Masayuki Matsuo
Prediction of overall survival in patients with pancreatic ductal adenocarcinoma: histogram analysis of ADC value and correlation with pathological intratumoral necrosis. BMC Medical Imaging 22 (1) (2022)
Akira Hara, Jun-ichi Kushida, Ryohei Yasuda, Tetsuyuki Takahama
Efficient Data Presentation Method for Building User Preference Model Using Interactive Evolutionary Computation. KES-IDT (2021)
Takeshi Kawachi, Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
Efficient parameter-free adaptive penalty method with balancing the objective function value and the constraint violation. Int. J. Comput. Intell. Stud. 10 (2/3) (2021)
Akira Hara, Jun-ichi Kushida, Tetsuyuki Takahama
Maintaining Population Diversity in Deterministic Geometric Semantic Genetic Programming by ϵ-Lexicase Selection. SMC (2020)
Takeshi Kawachi, Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
Efficient Constraint Handling based on the Adaptive Penalty Method with Balancing the Objective Function Value and the Constraint Violation. IWCIA (2019)
Takeshi Kawachi, Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
L-SHADE with an adaptive penalty method of balancing the objective value and the constraint violation. GECCO (Companion) (2019)
Shin Kamada, Takumi Ichimura, Akira Hara, Kenneth J. Mackin
Adaptive structure learning method of deep belief network using neuron generation-annihilation and layer generation. Neural Comput. Appl. 31 (11) (2019)
Akira Hara, Jun-ichi Kushida, Tetsuyuki Takahama
Time Series Prediction Using Deterministic Geometric Semantic Genetic Programming. SMC (2019)
Takumi Ichimura, Takuya Uemoto, Akira Hara
Emergence of Altruism Behavior for Multi Feeding Areas in Army Ant Social Evolutionary System. CoRR (2018)
Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
Cartesian Genetic Programming with Module Mutation for Symbolic Regression. SMC (2018)
Akira Hara, Jun-ichi Kushida, Ryota Takemoto, Tetsuyuki Takahama
Artificial Bee Colony Programming Using Semantic Control Crossover. SMC (2018)
Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama, Naoya Mimura
Cartesian ant programming introducing symbiotic relationship between ants and aphids. IWCIA (2017)
Toshiki Nishio, Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
Particle swarm optimisation with dynamic search strategies based on rank correlation. Int. J. Comput. Intell. Stud. 6 (4) (2017)
Akira Hara, Jun-ichi Kushida, Takamichi Yamagata, Tetsuyuki Takahama
The influence of generation alternation model on search performance in deterministic geometric semantic genetic programming. SMC (2017)
Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama, Shogo Nagura
Cartesian ant programming with transition rule considering internode distance. IWCIA (2016)
Tetsuyuki Takahama, Setsuko Sakai, Jun-ichi Kushida, Akira Hara
Particle swarm optimization with mutation operations controlled by landscape modality estimation using hill-valley detection. Artif. Life Robotics 21 (4) (2016)
Akira Hara, Jun-ichi Kushida, Ryo Tanemura, Tetsuyuki Takahama
Deterministic Crossover Based on Target Semantics in Geometric Semantic Genetic Programming. IIAI-AAI (2016)
Akira Hara, Jun-ichi Kushida, Tetsuyuki Takahama
Deterministic Geometric Semantic Genetic Programming with Optimal Mate Selection. SMC (2016)
Akira Hara, Hiroki Konishi, Jun-ichi Kushida, Tetsuyuki Takahama
Efficiency improvement of imitation operator in multi-agent control model based on Cartesian Genetic Programming. IWCIA (2016)
Toshiki Nishio, Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
Particle swarm optimization with dynamic search strategies based on landscape modality estimation. IWCIA (2016)
Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
Rank-based differential evolution with multiple mutation strategies for large scale global optimization. CEC (2015)
Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
Cartesian Ant Programming with node release mechanism. IWCIA (2015)
Toshiki Nishio, Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
Adaptive particle swarm optimization with multi-dimensional mutation. IWCIA (2015)
Akira Hara, Takuya Mototsuka, Jun-ichi Kushida, Tetsuyuki Takahama
Genetic Programming Using the Best Individuals of Genealogies for Maintaining Population Diversity. SMC (2015)
Akira Hara, Jun-ichi Kushida, Kei Kisaka, Tetsuyuki Takahama
Geometric Semantic Genetic Programming Using External Division of Parents. IIAI-AAI (2015)
Akira Hara, Jun-ichi Kushida, Tomoya Okita, Tetsuyuki Takahama
Behavior control of multiple agents by Cartesian Genetic Programming equipped with sharing sub-programs among agents. IWCIA (2015)
Takumi Ichimura, Takuya Uemoto, Akira Hara
Emergence of altruism behavior for multi feeding areas in army ant social evolutionary system. SMC (2014)
Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama
Enhanced interactive differential evolution using evolutionary level. SCIS&ISIS (2014)
Akira Hara, Jun-ichi Kushida, Takeyuki Nobuta, Tetsuyuki Takahama
Rank-based Semantic Control Crossover in Genetic Programming. SMC (2014)
Akira Hara, Jun-ichi Kushida, Koji Kitao, Tetsuyuki Takahama
Neuroevolution by Particle Swarm Optimization with Adaptive Input Selection for Controlling Platform-Game Agent. SMC (2013)
Takuya Mototsuka, Akira Hara, Jun-ichi Kushida, Tetsuyuki Takahama
Genetic programming with multiple initial populations generated by simulated annealing. IWCIA (2013)
Jun-ichi Kushida, Akira Hara, Tetsuyuki Takahama, Ayumi Kido
Island-based differential evolution with varying subpopulation size. IWCIA (2013)
Akira Hara, Jun-ichi Kushida, Souichi Tanabe, Tetsuyuki Takahama
Parallel Ant Programming using genetic operators. IWCIA (2013)
Akira Hara, Yoshimasa Ueno, Tetsuyuki Takahama
New crossover operator based on semantic distance between subtrees in Genetic Programming. SMC (2012)
Akira Hara, Kazumasa Shiraga, Tetsuyuki Takahama
Heterogeneous Particle Swarm Optimization including predator-prey relationship. SCIS&ISIS (2012)
Akira Hara, Haruko Tanaka, Takumi Ichimura, Tetsuyuki Takahama
Knowledge acquisition from many-attribute data by genetic programming with clustered terminal symbols. Int. J. Knowl. Web Intell. 3 (2) (2012)
Jun-ichi Kushida, Kazuhisa Oba, Akira Hara, Tetsuyuki Takahama
Solving quadratic assignment problems by differential evolution. SCIS&ISIS (2012)
Akira Hara, Manabu Watanabe, Tetsuyuki Takahama
Cartesian Ant Programming. SMC (2011)
Masaki Nakanishi, Yasue Mitsukura, Akira Hara
EEG analysis for acoustic quality evaluation using PCA and FDA. RO-MAN (2011)
Takumi Ichimura, Hiroshi Inoue, Akira Hara, Tetsuyuki Takahama, Kenneth J. Mackin
A Proposal of Memory and Prediction Based Genetic Algorithm Using Speciation in Dynamic Multimodal Function Optimization. J. Adv. Comput. Intell. Intell. Informatics 15 (8) (2011)
Akira Hara, Syuhei Matsushima, Takumi Ichimura, Tetsuyuki Takahama
Ant Colony Optimization using exploratory ants for constructing partial solutions. IEEE Congress on Evolutionary Computation (2010)
Takumi Ichimura, Azusa Yamasaki, Akira Hara, Tetsuyuki Takahama
Human Communication Network Based on the Classification Results of Personal Preferences by Using Self-Organizing Map. SMC (2009)
Takumi Ichimura, Yoshiaki Kurosawa, Akira Hara
A Web Based Maintenance Method of Computer Servers Using Extracted Rules by ADG. IMECS (2007)
Tetsuyuki Takahama, Setsuko Sakai, Akira Hara, Noriyuki Iwane
Structural learning of neural networks by differential evolution with degeneration using mappings. IEEE Congress on Evolutionary Computation (2007)
Yoshiaki Kurosawa, Akira Hara, Kazuya Mera, Takumi Ichimura
Reconsideration of the Effectiveness on Extracting Computer Diagnostic Rules by Automatically Defined Groups. KES (2) (2007)
Akira Hara, Yoshiaki Kurosawa, Takumi Ichimura
Knowledge Acquisition from Computer Log Files by ADG with Variable Agent Size. IMECS (2007)
Takumi Ichimura, Akira Hara, Yoshiaki Kurosawa
A classification method for spam e-mail by Self-Organizing Map and automatically defined groups. SMC (2007)
Miyuki Shibasaka, Akira Hara, Takumi Ichimura, Tetsuyuki Takahama
Species-based differential evolution with switching search strategies for multimodal function optimization. IEEE Congress on Evolutionary Computation (2007)
Akira Hara, Takumi Ichimura, Nobuyuki Fujita, Tetsuyuki Takahama
Effective Diversification of Ant-Based Search Using Colony Fission and Extinction. IEEE Congress on Evolutionary Computation (2006)
Yoshiaki Kurosawa, Akira Hara, Takumi Ichimura, Yuji Kawano
Extraction of Error Detection Rules without Supervised Information from Log Files Using Automatically Defined Groups. SMC (2006)
Takumi Ichimura, Kazuya Sakaguchi, Akira Hara, Tetsuyuki Takahama
A Proposal of Interactive Genetic Network Programming by Fuzzy Structural Modeling. SMC (2006)
Toshihiro Ikeda, Akira Hara, Takumi Ichimura, Tetsuyuki Takahama, Yuko Taniguchi, Hiroshige Yamada, Ryota Hakozaki, Haruo Sakuda
Multi-agent Cluster System for Optimal Performance in Heterogeneous Computer Environments. KES (1) (2005)
Akira Hara, Takumi Ichimura, Katsumi Yoshida
Discovering Multiple Diagnostic Rules from Coronary Heart Disease Database using Automatically Defined Groups. J. Intell. Manuf. 16 (6) (2005)
Yoshiaki Kurosawa, Akira Hara, Machi Suka, Takumi Ichimura
Preprocessing for Extracting Information from Medical Record to Add XML Tags. KES (3) (2005)
Akira Hara, Takumi Ichimura, Tetsuyuki Takahama, Yoshinori Isomichi, Motoki Shigemi
Effect of Direct Communication in Ant System. KES (1) (2005)
Akira Hara, Takumi Ichimura, Tetsuyuki Takahama, Yoshinori Isomichi
Extraction of Risk Factors by Multi-agent Voting Model Using Automatically Defined Groups. KES (3) (2005)
Akira Hara, Takumi Ichimura, Tetsuyuki Takahama, Yoshinori Isomichi
Extraction of Rules from Coronary Heart Disease Database Using Automatically Defined Groups. KES (2004)
Akira Hara, Takumi Ichimura, Tetsuyuki Takahama, Yoshinori Isomichi
Extraction of Rules by Heterogeneous Agents Using Automatically Defined Groups. KES (2003)
Takumi Ichimura, Akira Hara, Tetsuyuki Takahama, Yoshinori Isomichi, Rie Utsunomiya
Multi-objective Decision Making by AHP and Its Application to Personal Preference Retrieval System. KES (2003)
Akira Hara, Tomoharu Nagao
Construction and Analysis of Stock Market Model Using ADG; Automatically Defined Groups. Int. J. Comput. Intell. Appl. 2 (4) (2002)
Akira Hara, Tomoharu Nagao
Emergence of the cooperative behavior using ADG; Automatically Defined Groups. GECCO (1999)