Emergence of the cooperative behavior using ADG; Automatically Defined Groups. - Akira Hara; Tomoharu Nagao (GECCO, 1999)

Construction and Analysis of Stock Market Model Using ADG; Automatically Defined Groups. - Akira Hara; Tomoharu Nagao (Int. J. Comput. Intell. Appl., 2002)

Extraction of Rules by Heterogeneous Agents Using Automatically Defined Groups. - Akira Hara; Takumi Ichimura; Tetsuyuki Takahama; Yoshinori Isomichi (KES, 2003)

Multi-objective Decision Making by AHP and Its Application to Personal Preference Retrieval System. - Takumi Ichimura; Akira Hara; Tetsuyuki Takahama; Yoshinori Isomichi; Rie Utsunomiya (KES, 2003)

Extraction of Rules from Coronary Heart Disease Database Using Automatically Defined Groups. - Akira Hara; Takumi Ichimura; Tetsuyuki Takahama; Yoshinori Isomichi (KES, 2004)

Extraction of Risk Factors by Multi-agent Voting Model Using Automatically Defined Groups. - Akira Hara; Takumi Ichimura; Tetsuyuki Takahama; Yoshinori Isomichi (KES (3), 2005)

Effect of Direct Communication in Ant System. - Akira Hara; Takumi Ichimura; Tetsuyuki Takahama; Yoshinori Isomichi; Motoki Shigemi (KES (1), 2005)

Multi-agent Cluster System for Optimal Performance in Heterogeneous Computer Environments. - Toshihiro Ikeda; Akira Hara; Takumi Ichimura; Tetsuyuki Takahama; Yuko Taniguchi; Hiroshige Yamada; Ryota Hakozaki; Haruo Sakuda (KES (1), 2005)

Preprocessing for Extracting Information from Medical Record to Add XML Tags. - Yoshiaki Kurosawa; Akira Hara; Machi Suka; Takumi Ichimura (KES (3), 2005)

Discovering Multiple Diagnostic Rules from Coronary Heart Disease Database using Automatically Defined Groups. - Akira Hara; Takumi Ichimura; Katsumi Yoshida (J. Intell. Manuf., 2005)

Effective Diversification of Ant-Based Search Using Colony Fission and Extinction. - Akira Hara; Takumi Ichimura; Nobuyuki Fujita; Tetsuyuki Takahama (IEEE Congress on Evolutionary Computation, 2006)

A Proposal of Interactive Genetic Network Programming by Fuzzy Structural Modeling. - Takumi Ichimura; Kazuya Sakaguchi; Akira Hara; Tetsuyuki Takahama (SMC, 2006)

Extraction of Error Detection Rules without Supervised Information from Log Files Using Automatically Defined Groups. - Yoshiaki Kurosawa; Akira Hara; Takumi Ichimura; Yuji Kawano (SMC, 2006)

Species-based differential evolution with switching search strategies for multimodal function optimization. - Miyuki Shibasaka; Akira Hara; Takumi Ichimura; Tetsuyuki Takahama (IEEE Congress on Evolutionary Computation, 2007)

Structural learning of neural networks by differential evolution with degeneration using mappings. - Tetsuyuki Takahama; Setsuko Sakai; Akira Hara; Noriyuki Iwane (IEEE Congress on Evolutionary Computation, 2007)

Knowledge Acquisition from Computer Log Files by ADG with Variable Agent Size. - Akira Hara; Yoshiaki Kurosawa; Takumi Ichimura (IMECS, 2007)

A Web Based Maintenance Method of Computer Servers Using Extracted Rules by ADG. - Takumi Ichimura; Yoshiaki Kurosawa; Akira Hara (IMECS, 2007)

Reconsideration of the Effectiveness on Extracting Computer Diagnostic Rules by Automatically Defined Groups. - Yoshiaki Kurosawa; Akira Hara; Kazuya Mera; Takumi Ichimura (KES (2), 2007)

A classification method for spam e-mail by Self-Organizing Map and automatically defined groups. - Takumi Ichimura; Akira Hara; Yoshiaki Kurosawa (SMC, 2007)

Human Communication Network Based on the Classification Results of Personal Preferences by Using Self-Organizing Map. - Takumi Ichimura; Azusa Yamasaki; Akira Hara; Tetsuyuki Takahama (SMC, 2009)

Ant Colony Optimization using exploratory ants for constructing partial solutions. - Akira Hara; Syuhei Matsushima; Takumi Ichimura; Tetsuyuki Takahama (IEEE Congress on Evolutionary Computation, 2010)

EEG analysis for acoustic quality evaluation using PCA and FDA. - Masaki Nakanishi; Yasue Mitsukura; Akira Hara (RO-MAN, 2011)

Cartesian Ant Programming. - Akira Hara; Manabu Watanabe; Tetsuyuki Takahama (SMC, 2011)

A Proposal of Memory and Prediction Based Genetic Algorithm Using Speciation in Dynamic Multimodal Function Optimization. - Takumi Ichimura; Hiroshi Inoue; Akira Hara; Tetsuyuki Takahama; Kenneth J. Mackin (J. Adv. Comput. Intell. Intell. Informatics, 2011)

Heterogeneous Particle Swarm Optimization including predator-prey relationship. - Akira Hara; Kazumasa Shiraga; Tetsuyuki Takahama (SCIS&ISIS, 2012)

Solving quadratic assignment problems by differential evolution. - Jun-ichi Kushida; Kazuhisa Oba; Akira Hara; Tetsuyuki Takahama (SCIS&ISIS, 2012)

New crossover operator based on semantic distance between subtrees in Genetic Programming. - Akira Hara; Yoshimasa Ueno; Tetsuyuki Takahama (SMC, 2012)

Knowledge acquisition from many-attribute data by genetic programming with clustered terminal symbols. - Akira Hara; Haruko Tanaka; Takumi Ichimura; Tetsuyuki Takahama (Int. J. Knowl. Web Intell., 2012)

Parallel Ant Programming using genetic operators. - Akira Hara; Jun-ichi Kushida; Souichi Tanabe; Tetsuyuki Takahama (IWCIA, 2013)

Island-based differential evolution with varying subpopulation size. - Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama; Ayumi Kido (IWCIA, 2013)

Genetic programming with multiple initial populations generated by simulated annealing. - Takuya Mototsuka; Akira Hara; Jun-ichi Kushida; Tetsuyuki Takahama (IWCIA, 2013)

Neuroevolution by Particle Swarm Optimization with Adaptive Input Selection for Controlling Platform-Game Agent. - Akira Hara; Jun-ichi Kushida; Koji Kitao; Tetsuyuki Takahama (SMC, 2013)

Enhanced interactive differential evolution using evolutionary level. - Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (SCIS&ISIS, 2014)

Rank-based Semantic Control Crossover in Genetic Programming. - Akira Hara; Jun-ichi Kushida; Takeyuki Nobuta; Tetsuyuki Takahama (SMC, 2014)

Emergence of altruism behavior for multi feeding areas in army ant social evolutionary system. - Takumi Ichimura; Takuya Uemoto; Akira Hara (SMC, 2014)

Behavior control of multiple agents by Cartesian Genetic Programming equipped with sharing sub-programs among agents. - Akira Hara; Jun-ichi Kushida; Tomoya Okita; Tetsuyuki Takahama (IWCIA, 2015)

Cartesian Ant Programming with node release mechanism. - Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (IWCIA, 2015)

Adaptive particle swarm optimization with multi-dimensional mutation. - Toshiki Nishio; Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (IWCIA, 2015)

Rank-based differential evolution with multiple mutation strategies for large scale global optimization. - Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (CEC, 2015)

Geometric Semantic Genetic Programming Using External Division of Parents. - Akira Hara; Jun-ichi Kushida; Kei Kisaka; Tetsuyuki Takahama (IIAI-AAI, 2015)

Genetic Programming Using the Best Individuals of Genealogies for Maintaining Population Diversity. - Akira Hara; Takuya Mototsuka; Jun-ichi Kushida; Tetsuyuki Takahama (SMC, 2015)

Efficiency improvement of imitation operator in multi-agent control model based on Cartesian Genetic Programming. - Akira Hara; Hiroki Konishi; Jun-ichi Kushida; Tetsuyuki Takahama (IWCIA, 2016)

Cartesian ant programming with transition rule considering internode distance. - Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama; Shogo Nagura (IWCIA, 2016)

Particle swarm optimization with dynamic search strategies based on landscape modality estimation. - Toshiki Nishio; Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (IWCIA, 2016)

Deterministic Crossover Based on Target Semantics in Geometric Semantic Genetic Programming. - Akira Hara; Jun-ichi Kushida; Ryo Tanemura; Tetsuyuki Takahama (IIAI-AAI, 2016)

Deterministic Geometric Semantic Genetic Programming with Optimal Mate Selection. - Akira Hara; Jun-ichi Kushida; Tetsuyuki Takahama (SMC, 2016)

Particle swarm optimization with mutation operations controlled by landscape modality estimation using hill-valley detection. - Tetsuyuki Takahama; Setsuko Sakai; Jun-ichi Kushida; Akira Hara (Artif. Life Robotics, 2016)

Cartesian ant programming introducing symbiotic relationship between ants and aphids. - Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama; Naoya Mimura (IWCIA, 2017)

The influence of generation alternation model on search performance in deterministic geometric semantic genetic programming. - Akira Hara; Jun-ichi Kushida; Takamichi Yamagata; Tetsuyuki Takahama (SMC, 2017)

Particle swarm optimisation with dynamic search strategies based on rank correlation. - Toshiki Nishio; Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (Int. J. Comput. Intell. Stud., 2017)

Artificial Bee Colony Programming Using Semantic Control Crossover. - Akira Hara; Jun-ichi Kushida; Ryota Takemoto; Tetsuyuki Takahama (SMC, 2018)

Cartesian Genetic Programming with Module Mutation for Symbolic Regression. - Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (SMC, 2018)

Efficient Constraint Handling based on the Adaptive Penalty Method with Balancing the Objective Function Value and the Constraint Violation. - Takeshi Kawachi; Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (IWCIA, 2019)

L-SHADE with an adaptive penalty method of balancing the objective value and the constraint violation. - Takeshi Kawachi; Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (GECCO (Companion), 2019)

Time Series Prediction Using Deterministic Geometric Semantic Genetic Programming. - Akira Hara; Jun-ichi Kushida; Tetsuyuki Takahama (SMC, 2019)

Adaptive structure learning method of deep belief network using neuron generation-annihilation and layer generation. - Shin Kamada; Takumi Ichimura; Akira Hara; Kenneth J. Mackin (Neural Comput. Appl., 2019)

Maintaining Population Diversity in Deterministic Geometric Semantic Genetic Programming by ϵ-Lexicase Selection. - Akira Hara; Jun-ichi Kushida; Tetsuyuki Takahama (SMC, 2020)

Efficient Data Presentation Method for Building User Preference Model Using Interactive Evolutionary Computation. - Akira Hara; Jun-ichi Kushida; Ryohei Yasuda; Tetsuyuki Takahama (KES-IDT, 2021)

Efficient parameter-free adaptive penalty method with balancing the objective function value and the constraint violation. - Takeshi Kawachi; Jun-ichi Kushida; Akira Hara; Tetsuyuki Takahama (Int. J. Comput. Intell. Stud., 2021)

Prediction of overall survival in patients with pancreatic ductal adenocarcinoma: histogram analysis of ADC value and correlation with pathological intratumoral necrosis. - Yoshifumi Noda; Hiroyuki Tomita; Takuma Ishihara; Yoshiki Tsuboi; Nobuyuki Kawai; Masaya Kawaguchi; Tetsuro Kaga; Fuminori Hyodo; Akira Hara; Avinash R. Kambadakone; Masayuki Matsuo (BMC Medical Imaging, 2022)