Koichi Moriyama

According to our database, Koichi Moriyama authored at least 84 papers between 1995 and 2024.

Collaborative distances:

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

2024

Permissionless Blockchain-Based Sybil-Resistant Self-Sovereign Identity Utilizing Attested Execution Secure Processors.

Koichi Moriyama, Akira Otsuka

IEICE Trans. Inf. Syst., 2024

Enhancing Retrieval Processes for Language Generation with Augmented Queries.

Julien Pierre Edmond Ghali, Kosuke Shima, Koichi Moriyama, Atsuko Mutoh, Nobuhiro Inuzuka

CoRR, 2024

Discarding Erroneous Knowledge Online in Transfer Reinforcement Learning.

Otoya Notsu, Koichi Moriyama, Kosuke Shima, Tohgoroh Matsui, Atsuko Mutoh, Nobuhiro Inuzuka

Proceedings of the PRIMA 2024: Principles and Practice of Multi-Agent Systems, 2024

Store Clustering Based on Product Genre Representation in POS Data.

Yuta Marui, Atsuko Mutoh, Kosuke Shima, Koichi Moriyama, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the 13th IEEE Global Conference on Consumer Electronics, 2024

2023

Automating Lexicon Generation: A Comprehensive Review of Alternative Approaches.

Julien Pierre Edmond Ghali, Nobuhiro Inuzuka, Kosuke Shima, Koichi Moriyama, Atsuko Mutoh

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 27th International Conference KES-2023, 2023

Evaluation System for Martial Arts Demonstration from Smartphone Sensor Data Using Deep Neural Networks on Noisy Labels.

Shohei Yamanaka, Kosuke Shima, Atsuko Mutoh, Koichi Moriyama, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the IEEE International Conference on Consumer Electronics, 2023

Evaluation of Employees by Generating Meeting Networks Using Entry and Exit Data.

Atsuko Mutoh, Kazuma Morikida, Koichi Moriyama, Nobuhiro Inuzuka

Proceedings of the IEEE International Conference on Consumer Electronics, 2023

A Simple Sequential Social Dilemma Game.

Ryoichi Takatsuka, Koichi Moriyama, Tohgoroh Matsui, Atsuko Mutoh, Kosuke Shima, Nobuhiro Inuzuka

Proceedings of the IEEE International Conference on Agents, 2023

Automatic Construct of Communication Structures in LINE Group Chat.

Yuya Mitarai, Atsuko Mutoh, Kosuke Shima, Koichi Moriyama, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the 12th IEEE Global Conference on Consumer Electronics, 2023

2022

Ensemble method using real images, metadata and synthetic images for control of class imbalance in classification.

Rogers Aloo, Atsuko Mutoh, Koichi Moriyama, Tohgoroh Matsui, Nobuhiro Inuzuka

Artif. Life Robotics, 2022

Proposal of a Game Recommendation System Considering Playing Time and Friendships.

Kazuki Iwadare, Atsuko Mutoh, Koichi Moriyama, Nobuhiro Inuzuka

Proceedings of the 11th IEEE Global Conference on Consumer Electronics, 2022

2021

Human motion analysis using expressions of non-separated accelerometer values as character strings.

Kosuke Shima, Atsuko Mutoh, Koichi Moriyama, Nobuhiro Inuzuka

Artif. Life Robotics, 2021

Extraction of Behavioral Patterns by Recombining Non-Negative Multiple Matrix Factorization and Clustering Results.

Shogo Yasui, Atsuko Mutoh, Koichi Moriyama, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the 10th IEEE Global Conference on Consumer Electronics, 2021

Evaluation of martial arts demonstration focusing on peak timing using acceleration data.

Shohei Yamanaka, Kosuke Shima, Atsuko Mutoh, Koichi Moriyama, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the 10th IEEE Global Conference on Consumer Electronics, 2021

Classification of buzzwords by focusing on time trends using Twitter data.

Juno Hashimoto, Atsuko Mutoh, Koichi Moriyama, Azusa Yokogoshi, Eiko Yoshida, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the 10th IEEE Global Conference on Consumer Electronics, 2021

2020

Reinforcement learning based metric filtering for evolutionary distance metric learning.

Bassel Ali, Koichi Moriyama, Wasin Kalintha, Masayuki Numao, Ken-ichi Fukui

Intell. Data Anal., 2020

Reinforcement Learning based Evolutionary Metric Filtering for High Dimensional Problems.

Bassel Ali, Koichi Moriyama, Masayuki Numao, Ken-ichi Fukui

Proceedings of the 19th IEEE International Conference on Machine Learning and Applications, 2020

Evolution of Mate-choice Copying Adapted to Environmental Changes.

Kosuke Ozeki, Atsuko Mutoh, Koichi Moriyama, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the 9th IEEE Global Conference on Consumer Electronics, 2020

2019

Multi-objective safe reinforcement learning: the relationship between multi-objective reinforcement learning and safe reinforcement learning.

Naoto Horie, Tohgoroh Matsui, Koichi Moriyama, Atsuko Mutoh, Nobuhiro Inuzuka

Artif. Life Robotics, 2019

Running Reinforcement Learning Agents on GPU for Many Simulations of Two-Person Simultaneous Games.

Koichi Moriyama, Yoshiya Kurogi, Atsuko Mutoh, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the IEEE International Conference on Agents, 2019

Safe Reinforcement Learning in Continuous State Spaces.

Takumi Umemoto, Tohgoroh Matsui, Atsuko Mutoh, Koichi Moriyama, Nobuhiro Inuzuka

Proceedings of the IEEE 8th Global Conference on Consumer Electronics, 2019

2018

Two-Stage Reinforcement Learning Algorithm for Quick Cooperation in Repeated Games.

Wataru Fujita, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

Trans. Comput. Collect. Intell., 2018

Evolution Direction of Reward Appraisal in Reinforcement Learning Agents.

Masaya Miyawaki, Koichi Moriyama, Atsuko Mutoh, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the Agents and Multi-Agent Systems: Technologies and Applications 2018, 2018

Physical and Behavioral Characterization of Human Groups Classified Using Symbolic Pattern Analysis.

Kosuke Shima, Koichi Moriyama, Atsuko Mutoh, Nobuhiro Inuzuka

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 22nd International Conference KES-2018, 2018

Accelerating Deep Q Network by Weighting Experiences.

Kazuhiro Murakami, Koichi Moriyama, Atsuko Mutoh, Tohgoroh Matsui, Nobuhiro Inuzuka

Proceedings of the Neural Information Processing - 25th International Conference, 2018

Reinforcement learning for evolutionary distance metric learning systems improvement.

Bassel Ali, Wasin Kalintha, Koichi Moriyama, Masayuki Numao, Ken-ichi Fukui

Proceedings of the Genetic and Evolutionary Computation Conference Companion, 2018

An Analysis Method of Traveling-Time Patterns Between Rooms from Entry and Exit Data of Office Workers.

Seidai Kojima, Hayato Ishigure, Miwa Sakata, Atsuko Mutoh, Koichi Moriyama, Nobuhiro Inuzuka

Proceedings of the IEEE 7th Global Conference on Consumer Electronics, 2018

A Friendship Generation Model Considering Affiliations.

Yuta Izumi, Atsuko Mutoh, Koichi Moriyama, Nobuhiro Inuzuka

Proceedings of the IEEE 7th Global Conference on Consumer Electronics, 2018

2017

Familiarity effects in EEG-based emotion recognition.

Nattapong Thammasan, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

Brain Informatics, 2017

Reinforcement learning based distance metric filtering approach in clustering.

Bassel Ali, Ken-ichi Fukui, Wasin Kalintha, Koichi Moriyama, Masayuki Numao

Proceedings of the 2017 IEEE Symposium Series on Computational Intelligence, 2017

The resilience of cooperation in a Dilemma game played by reinforcement learning agents.

Koichi Moriyama, Kaori Nakase, Atsuko Mutoh, Nobuhiro Inuzuka

Proceedings of the IEEE International Conference on Agents, 2017

2016

Kernel density compression for real-time Bayesian encoding/decoding of unsorted hippocampal spikes.

Danaipat Sodkomkham, Davide Ciliberti, Matthew A. Wilson, Ken-ichi Fukui, Koichi Moriyama, Masayuki Numao, Fabian Kloosterman

Knowl. Based Syst., 2016

Continuous Music-Emotion Recognition Based on Electroencephalogram.

Nattapong Thammasan, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

IEICE Trans. Inf. Syst., 2016

Adaptive Two-stage Learning Algorithm for Repeated Games.

Wataru Fujita, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

Proceedings of the 8th International Conference on Agents and Artificial Intelligence (ICAART 2016), 2016

Analysis of characteristic motions and their relations in radio gymnastic exercises.

Kosuke Shima, Atsuko Mutoh, Koichi Moriyama, Youhei Yamaguchi, Nobuhiro Inuzuka

Proceedings of the IEEE 5th Global Conference on Consumer Electronics, 2016

2015

An analysis of player affect transitions in survival horror games.

Vanus Vachiratamporn, Roberto Sebastian Legaspi, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

J. Multimodal User Interfaces, 2015

Item-Based Learning for Music Emotion Prediction Using EEG Data.

Peerapon Vateekul, Nattapong Thammasan, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

Proceedings of the Principles and Practice of Multi-Agent Systems, 2015

Modeling Work Stress Using Heart Rate and Stress Coping Profiles.

Juan Lorenzo Hagad, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

Proceedings of the Principles and Practice of Multi-Agent Systems, 2015

Cluster Sequence Mining: Causal Inference with Time and Space Proximity Under Uncertainty.

Yoshiyuki Okada, Ken-ichi Fukui, Koichi Moriyama, Masayuki Numao

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2015

Concept Drift Detection with Clustering via Statistical Change Detection Methods.

Yusuke Sakamoto, Ken-ichi Fukui, João Gama, Daniela Nicklas, Koichi Moriyama, Masayuki Numao

Proceedings of the 2015 Seventh International Conference on Knowledge and Systems Engineering, 2015

Prediction as faster perception in a real-time fighting video game.

Kazuki Asayama, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

Proceedings of the 2015 IEEE Conference on Computational Intelligence and Games, 2015

Investigation of Familiarity Effects in Music-Emotion Recognition Based on EEG.

Nattapong Thammasan, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

Proceedings of the Brain Informatics and Health - 8th International Conference, 2015

2014

Sidekick: A Tool for Helping Students Manage Behavior in Self-initiated Learning Scenarios.

Paul Salvador Inventado, Roberto Sebastian Legaspi, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

Int. J. Distance Educ. Technol., 2014

An Intelligent Fighting Videogame Opponent Adapting to Behavior Patterns of the User.

Koichi Moriyama, Simón Enrique Ortiz Branco, Mitsuhiro Matsumoto, Ken-ichi Fukui, Satoshi Kurihara, Masayuki Numao

IEICE Trans. Inf. Syst., 2014

Predicting Consumer Familiarity with Health Topics by Query Formulation and Search Result Interaction.

Ira Puspitasari, Ken-ichi Fukui, Koichi Moriyama, Masayuki Numao

Proceedings of the PRICAI 2014: Trends in Artificial Intelligence, 2014

An implementation of affective adaptation in survival horror games.

Vanus Vachiratamporn, Koichi Moriyama, Ken-ichi Fukui, Masayuki Numao

Proceedings of the 2014 IEEE Conference on Computational Intelligence and Games, 2014

Cooperation-eliciting prisoner's dilemma payoffs for reinforcement learning agents.

Koichi Moriyama, Satoshi Kurihara, Masayuki Numao

Proceedings of the International conference on Autonomous Agents and Multi-Agent Systems, 2014

2013

Context-Aware Application Prediction and Recommendation in Mobile Devices.

Satoshi Kurihara, Koichi Moriyama, Masayuki Numao

Proceedings of the 2013 IEEE/WIC/ACM International Conferences on Web Intelligence, 2013

Learning system for adapting users with user's state classification by vital sensing.

Junya Nakase, Koichi Moriyama, Kiyoshi Kiyokawa, Masayuki Numao, Mayumi Oyama, Satoshi Kurihara

Proceedings of the 2013 IEEE Virtual Reality, 2013

Predictability Analysis of Aperiodic and Periodic Model for Long-Term Human Mobility Using Ambient Sensors.

Danaipat Sodkomkham, Roberto Sebastian Legaspi, Ken-ichi Fukui, Koichi Moriyama, Satoshi Kurihara, Masayuki Numao

Proceedings of the Mining, Modeling, and Recommending 'Things' in Social Media, 2013

Proposition of the Context-Aware Application Prediction Mechanism for Mobile Devices.

Satoshi Kurihara, Koichi Moriyama, Masayuki Numao

Proceedings of the 2013 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology, 2013

An architecture for identifying and using effective learning behavior to help students manage learning.

Paul Salvador Inventado, Roberto Sebastian Legaspi, Koichi Moriyama, Masayuki Numao, Jeanine DeFalco, Ryan S. Baker

Proceedings of the Workshops at the 16th International Conference on Artificial Intelligence in Education AIED 2013, 2013

Identification of Effective Learning Behaviors.

Paul Salvador Inventado, Roberto Sebastian Legaspi, Rafael Cabredo, Koichi Moriyama, Ken-ichi Fukui, Satoshi Kurihara, Masayuki Numao

Proceedings of the Artificial Intelligence in Education - 16th International Conference, 2013

Towards the Design of Affective Survival Horror Games: An Investigation on Player Affect.

Vanus Vachiratamporn, Roberto Sebastian Legaspi, Koichi Moriyama, Masayuki Numao

Proceedings of the 2013 Humaine Association Conference on Affective Computing and Intelligent Interaction, 2013

2012

Implementation of a smart office system in an ambient environment.

Hironori Shigeta, Junya Nakase, Yuta Tsunematsu, Kiyoshi Kiyokawa, Masahide Hatanaka, Kazufumi Hosoda, Masashi Okada, Yasunori Ishihara, Fukuhito Ooshita, Hirotsugu Kakugawa, Satoshi Kurihara, Koichi Moriyama

Proceedings of the 2012 IEEE Virtual Reality, 2012

Adaptive interactive device control by using reinforcement learning in ambient information environment.

Junya Nakase, Koichi Moriyama, Kiyoshi Kiyokawa, Masayuki Numao, Mayumi Oyama, Satoshi Kurihara

Proceedings of the 2012 IEEE Virtual Reality, 2012

Owens Luis - A context-aware multi-modal smart office chair in an ambient environment.

Kiyoshi Kiyokawa, Masahide Hatanaka, Kazufumi Hosoda, Masashi Okada, Hironori Shigeta, Yasunori Ishihara, Fukuhito Ooshita, Hirotsugu Kakugawa, Satoshi Kurihara, Koichi Moriyama

Proceedings of the 2012 IEEE Virtual Reality, 2012

2011

Exploring Melodic Motif to Support an Affect-Based Music Compositional Intelligence.

Roberto Sebastian Legaspi, Akinobu Ueda, Rafael Cabredo, Takayuki Nishikawa, Ken-ichi Fukui, Koichi Moriyama, Satoshi Kurihara, Masayuki Numao

Proceedings of the Third International Conference on Knowledge and Systems Engineering, 2011

Evolving subjective utilities: Prisoner's Dilemma game examples.

Koichi Moriyama, Satoshi Kurihara, Masayuki Numao

Proceedings of the 10th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2011), 2011

2010

Three-Subagent Adapting Architecture for Fighting Videogames.

Simón Enrique Ortiz Branco, Koichi Moriyama, Ken-ichi Fukui, Satoshi Kurihara, Masayuki Numao

Proceedings of the PRICAI 2010: Trends in Artificial Intelligence, 2010

Addressing the problems of data-centric physiology-affect relations modeling.

Roberto Sebastian Legaspi, Ken-ichi Fukui, Koichi Moriyama, Satoshi Kurihara, Masayuki Numao, Merlin Suarez

Proceedings of the 15th International Conference on Intelligent User Interfaces, 2010

2009

Utility based Q-learning to facilitate cooperation in Prisoner's Dilemma games.

Koichi Moriyama

Web Intell. Agent Syst., 2009

Learning-Rate Adjusting Q-Learning for Two-Person Two-Action Symmetric Games.

Koichi Moriyama

Proceedings of the Agent and Multi-Agent Systems: Technologies and Applications, 2009

2008

Modelling affective-based music compositional intelligence with the aid of ANS analyses.

Toshihito Sugimoto, Roberto Sebastian Legaspi, Akihiro Ota, Koichi Moriyama, Satoshi Kurihara, Masayuki Numao

Knowl. Based Syst., 2008

Reinforcement Learning on a Futures Market Simulator.

Koichi Moriyama, Mitsuhiro Matsumoto, Ken-ichi Fukui, Satoshi Kurihara, Masayuki Numao

J. Univers. Comput. Sci., 2008

Learning-Rate Adjusting Q-Learning for Prisoner's Dilemma Games.

Koichi Moriyama

Proceedings of the 2008 IEEE/WIC/ACM International Conference on Intelligent Agent Technology, 2008

2007

Music compositional intelligence with an affective flavor.

Roberto Sebastian Legaspi, Yuya Hashimoto, Koichi Moriyama, Satoshi Kurihara, Masayuki Numao

Proceedings of the 12th International Conference on Intelligent User Interfaces, 2007

Utility Based Q-learning to Maintain Cooperation in Prisoner's Dilemma Games.

Koichi Moriyama

Proceedings of the 2007 IEEE/WIC/ACM International Conference on Intelligent Agent Technology, 2007

2005

Timeliness and Reliability Oriented Autonomous Network-Based Information Services Integration in Multi-Agent Systems.

Xiaodong Lu, Koichi Moriyama, Ivan Luque, Miho Kanda, Yanqing Jiang, Ryuji Takanuki, Kinji Mori

IEICE Trans. Inf. Syst., 2005

Clearwater: extensible, flexible, modular code generation.

Galen S. Swint, Calton Pu, Gueyoung Jung, Wenchang Yan, Younggyun Koh, Qinyi Wu, Charles Consel, Akhil Sahai, Koichi Moriyama

Proceedings of the 20th IEEE/ACM International Conference on Automated Software Engineering (ASE 2005), 2005

Service search technology in autonomous decentralized community system for timeliness.

Yosuke Sugiyama, Yuji Horikoshi, Hisayuki Kuriyama, Koichi Moriyama

Proceedings of the 2005 International Symposium on Autonomous Decentralized Systems, 2005

An autonomous decentralized community overly network division and integration technology for achieving timeliness.

Khaled Ragab, Koichi Moriyama, Hisayuki Kuriyama, Yuji Horikoshi, Yosuke Sugiyama

Proceedings of the 2005 International Symposium on Autonomous Decentralized Systems, 2005

Learning desirable actions in two-player two-action games.

Koichi Moriyama

Proceedings of the 2005 International Symposium on Autonomous Decentralized Systems, 2005

Autonomous decentralized service level management for real-time assurance.

Ivan Luque, Xiaodong Lu, Miho Kanda, Koichi Moriyama, Yasushi Kuba, Ryuji Takanuki

Proceedings of the 2005 International Symposium on Autonomous Decentralized Systems, 2005

Autonomous network-based information services integration for high response in multi-agent information service systems.

Xiaodong Lu, Ivan Luque, Miho Kanda, Yanqing Jiang, Koichi Moriyama, Kinji Mori, Ryuji Takanuki, Yasushi Kuba

Proceedings of the 2005 International Symposium on Autonomous Decentralized Systems, 2005

Autonomous video-on-demand system for heterogeneous quality levels to achieve high assurance.

Miho Kanda, Misato Tasaka, Xiaodong Lu, Ivan Luque, Yanqing Jiang, Koichi Moriyama, Ryuji Takanuki, Yasushi Kuba

Proceedings of the 2005 International Symposium on Autonomous Decentralized Systems, 2005

Autonomous node reallocation for achieving load balance under changing users' preference.

Yanqing Jiang, Xiaodong Lu, Ivan Luque, Miho Kanda, Koichi Moriyama, Ryuji Takanuki, Yasushi Kuba

Proceedings of the 2005 International Symposium on Autonomous Decentralized Systems, 2005

2004

Infopipes: Concepts and ISG Implementation.

Galen S. Swint, Calton Pu, Koichi Moriyama

Proceedings of the 2nd IEEE Workshop on Software Technologies for Future Embedded and Ubiquitous Systems, 2004

Infopipes: The ISL/ISG Implementation Evaluation.

Galen S. Swint, Calton Pu, Younggyun Koh, Ling Liu, Wenchang Yan, Charles Consel, Koichi Moriyama, Jonathan Walpole

Proceedings of the 3rd IEEE International Symposium on Network Computing and Applications (NCA 2004), 30 August, 2004

2003

Self-evaluated Learning Agent in Multiple State Games.

Koichi Moriyama, Masayuki Numao

Proceedings of the Machine Learning: ECML 2003, 2003

Scalable Multilateral Communication Technique for Large-Scale Information Systems.

Khaled Ragab, Naohiro Kaji, Koichi Moriyama, Kinji Mori

Proceedings of the 27th International Computer Software and Applications Conference (COMPSAC 2003): Design and Assessment of Trustworthy Software-Based Systems, 2003

2002

Construction of a learning agent handling its rewards according to environmental situations.

Koichi Moriyama, Masayuki Numao

Proceedings of the First International Joint Conference on Autonomous Agents & Multiagent Systems, 2002

2000

Constructing an Autonomous Agent with an Interdependent Heuristics.

Koichi Moriyama, Masayuki Numao

Proceedings of the PRICAI 2000, Topics in Artificial Intelligence, 6th Pacific Rim International Conference on Artificial Intelligence, Melbourne, Australia, August 28, 2000

1995

Cooperative control of two industrial robots with force control devices.

Hisashi Osumi, Tamio Arai, Toshiyasu Fukuoka, Koichi Moriyama, Hajime Torii

Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems, 1995