K. Okuhara

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Title Knowledge Discovery from Questionnaire Survey by Nonlinear Optimization(Mathematics of Optimization : Methods and Practical Solutions)

H. Ishii, Author Okuhara, Koji Shibata, 2020 .

Multidisciplinary Social Networks Research

Leon S. L. Wang, I. Ting, K. Okuhara, 2014, Communications in Computer and Information Science.

Environmental valuation by using fuzzy-neural system realizing the method II of fuzzy quantification

K. Okuhara, H. Fujita, T. Tanaka, 2001, Proceedings Joint 9th IFSA World Congress and 20th NAFIPS International Conference (Cat. No. 01TH8569).

Target Inventory Strategy in Multistage Supply Chain by Particle Swarm Optimization

H. Ishii, K. Okuhara, E. Domoto, 2007 .

Management of Reasonable Inventory Level for Environmentally-friendly Corporate Productive Activities(Theory of Modeling and Optimization)

H. Ishii, K. Okuhara, E. Domoto, 2006 .

Environment-Conscious Production Planning Mechanism for Supply Chain Management

H. Ishii, K. Okuhara, E. Domoto, 2005, 2005 4th International Symposium on Environmentally Conscious Design and Inverse Manufacturing.

Proposal and Analysis of the Synaptic Plasticity Equation Satisfying Physiological Constraints

S. Osaki, K. Okuhara, 1997 .

Derivation of Relations among Utility, Preference and Accessibility and Its Estimation for Urban Planning

H. Ishii, K. Okuhara, S. Shiode, 2007 .

Natural Language Generation System for Knowledge Acquisition Based on Patent Database

K. Okuhara, Takeshi Matsui, A. René, 2022, J. Adv. Comput. Intell. Intell. Informatics.

Proposal of Load Leveling Model for Implementing Mass Customization in Automobile Industry

H. Ishii, S. Matsumoto, K. Okuhara, 2007 .

Vol. 8 No.1, December 2016, pp. 47-56

K. Okuhara, N. Ueno, António Oliveira Nzinga, 2016 .

Design of interaction in environmental load chain as connected directed network

N. Sonehara, H. Tsubaki, K. Okuhara, 2013, 2013 International Conference on Technology, Informatics, Management, Engineering and Environment.

Market Forecasting by Variable Selection of Indicators and Emotion Scores from Text Data

K. Okuhara, E. Domoto, A. René, 2022, J. Adv. Comput. Intell. Intell. Informatics.

Model Construction based on Variable Selection of Indicators and Alternative Data in Market Forecasting

K. Okuhara, E. Domoto, J. Shibata, 2020, 2020 Joint 11th International Conference on Soft Computing and Intelligent Systems and 21st International Symposium on Advanced Intelligent Systems (SCIS-ISIS).

A real option approach considering the climate change for policy decision

H. Tsubaki, K. Okuhara, H. Tsuda, 2012, 2012 International Conference on Green and Ubiquitous Technology.

Assignment of Jurisdiction Area to Fire Department by Minimizing Welfare Loss

K. Okuhara, N. Ueno, M. Yamanaka, 2012 .

Analysis of unplanned purchase rule based on rough set

K. Okuhara, S. Shiode, J. Shibata, 2010, The 40th International Conference on Computers & Indutrial Engineering.

Jurisdictional Area Minimizing Welfare Loss Based on Accessibility in Transportation Network

Yu Ichifuji, Noboru Sonehara, Koji Okuhara, 2013 .

A Two Stage Solution Procedure for Production Planning System with Advance Demand Information

Koji Okuhara, Takashi Hasuike, Nobuyuki Ueno, 2012 .

Mass Customization Production Planning System by Advance Demand Information Based on Unfulfilled-order-rate: II-Performance Analysis of Unfulfilled-order-rates and Relationship to Base-stock Policy with Multi-period

K. Okuhara, N. Ueno, Kiyotaka Kadomoto, 2011 .

Mass Customization Production Planning System by Advance Demand Information Based on Unfulfilled-order-rate

K. Okuhara, N. Ueno, M. Kawasaki, 2010 .

Multidisciplinary Social Networks Research

Kai Wang, I-Hsien Ting, Shiro Uesugi, 2015, Communications in Computer and Information Science.

MULTI-ITEM PRODUCTION PLANNING AND MANAGEMENT SYSTEM BASED ON UNFULFILLED ORDER RATE IN SUPPLY CHAIN

Hiroaki Ishii, Koji Okuhara, Nobuyuki Ueno, 2007 .

Characterization of personal behavior trajectory with enhanced spherical self-organizing map

Noboru Sonehara, Koji Okuhara, Noriaki Koide, 2013, 2013 International Computer Science and Engineering Conference (ICSEC).

Data Mining of Geographical Accessibility for Tourism in Regional Area

Hiroaki Ishii, Koji Okuhara, Hao-Ching Hsia, 2008, 2008 Eighth International Conference on Intelligent Systems Design and Applications.

Optimal control of inventory systems with multiple suppliers

Yasumasa Fujisaki, Koji Okuhara, Yuta Akikuni, 2017, 2017 56th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE).

A Social Network Analysis Based on Linear Programming-Shapley Value Approach for Information Mapping

Yu Ichifuji, Koji Okuhara, António Oliveira Nzinga René, 2015, MISNC.

Decision Making Support Mechanism of Portfolio Selection in Multiple Period Consumption and Investment Model

H. Ishii, K. Okuhara, N. Ueno, 2005 .

Automatic Generation of Robust Agents Using Knowledge Database Oriented Evolutionary Computation

Yu Ichifuji, Koji Okuhara, Noboru Sonehara, 2013 .

Knowledge Discovery by Combination of Indexes for Signal Detection for Economic Time Series Data

Hiroshi Tsuda, Noriaki Koide, Koji Okuhara, 2013 .

System Trading of Diversified Investment by Hybrid Method of GP and GA

K. Okuhara, H. Tsuda, N. Koide, 2012 .

Examination and comparison of conflicting data in granulated datasets: Equal width interval vs. equal frequency interval

Shu-Chen Kao, Koji Okuhara, Chien-Hsing Wu, 2013, Inf. Sci..

Creation of Intellectual Property Based on Natural Language Generation Model

K. Okuhara, Takeshi Matsui, A. René, 2020, 2020 Joint 11th International Conference on Soft Computing and Intelligent Systems and 21st International Symposium on Advanced Intelligent Systems (SCIS-ISIS).