Computational Modeling Team

Department of Information Science and Technology
National Agricultural Research Center  NARO



Current research projects

National research projects


Members

Team Head : Masayuki HIRAFUJI

Research Scientist: Kei TANAKA

Research Scientist: Koji SUGAHARA

Research Scientist: Tokihiro FUKATSU

JST Supporting Researcher: Haoming Hu(Jan.2002-)

JSPS Fellow: Dongxian HE (Sep.2002-)

Previous members


Applications


Recent Papers  (since 1998)

2002 (under construction)

記号 M. Hirafuji and T. Fukatsu, Ubiquitous computing for rural area (abstruct)

2001 (under construction)

記号 M. Hirafuji

2000

記号 Masayuki Hirafuji, Scott Hagan, A global optimization algorithm based on the process of evolution in complex biological systems, Computers And Electronics In Agriculture (29)1-2 (2000) pp. 125-134, (abstract, Draft PDF file)
記号 M. Hirafuji, Creating Comfortable, Amazing, Exciting and Diverse Lives with CYFARS (CYber FARmerS) and Agricultural Virtual Corporation, Proc. of the Second Asian Conference for Information Technology in Agriculture, pp. 424-431, 2000 (PDF file)
記号 M. Hirafuji, K. Tanaka, T. Kiura, A. Otuka, Modelbase System: A Distributed Model Database on The Internet, Pre-Proceeding : Application Area of IWS2000: International Workshop on Asia Pacific Advanced Network and its Applications, pp.57-61, 2000. (PDF file)

1999

記号 M. Hirafuji, K. Tanaka., S. Hagan, Lotka-Volterra Machine for a General Model of Complex Biological Systems, Proceedings of the 1999 IEEE International Conference on Control Applications and IEEE International Symposium on Computer Aided Control, pp.516-521, 1999. (PDF file)
記号 M. Hirafuji, S. Hagan, Quantum Tunneling Evolution: A model of Life as Global Optimization Process, Proc. of Forth International Symposium on ARTIFICIAL LIFE AND ROBOTICS, pp. 476-479, 1999. (PDF file 469KB, 86KB)
記号 S. Hagan, M. Hirafuji, Artificial Mind in a Classical Context, Proc. of Forth International Symposium on ARTIFICIAL LIFE AND ROBOTICS, pp. 588-591, 1999.. (PDF file)
記号 K. Tanaka, K. Otobe and M. Hirafuji, Turning Plant Growth Models into Objects in Java and Parameters Identifying Using a Genetic Algorithm, Proc. of Modelling Cropping Systems, Lleida in Spain, pp.259-260, June 1999.(PDF file)
記号 K. Tanaka, K. Otobe and M. Hirafuji, Plant Growth Model Base, Proc. of Biological Systems Simulation Group (BSSG), pp.24, Kansas in U.S.A., March 1999 (PDF file)
記号

Rubia-Sanchez E., Y. Suzuki, K. Miyamoto and T. Watanabe (1999) The potential for compensation of the effects of the brown planthopper Nilaparvata lugens Stal (Homoptera: Delphacidae) feeding on rice. Crop Protection 18:39-45.

記号

Watanabe T., Feeding effects of rice leaffolder on flag leaf gas exchange of rice plants at flowering.  International Rice Research Notes 24(2):20-21, 1999.

記号

Tanaka K., T. Watanabe, H. Higuchi, K. Miyamoto, Y. Yusa, T. Kiyonaga, H. Kiyota, Y. Suzuki and T. Wada, Density-dependent growth and reproduction of the apple snail, Pomacea canaliculata: a density manipulation experiment in a paddy field.  Researches on Population Ecology 41:253-262, 1999.

記号

Watanabe T., K. Tanaka, H. Higuchi, K. Miyamoto, T. Kiyonaga, H. Kiyota, Y. Suzuki and T. Wada, Emergence of the apple snail, Pomacea canaliculata (Gastropoda: Ampullariidae), after irrigation in a paddy.  Applied Entomology and Zoology 35: in press.

1998

記号 K. Otobe, K. Tanaka, M. Hirafuji, Knowledge Acquisition on Image Processing based on Genetic Algorithms, Proceeding of the IASTED International Conference Signal and Image Processing, October 28-31, 1998, Las Vegas, Nevada - USA (PDF file)
記号 K. Tanaka, M. Hirafuji, K. Otobe, Finding Formula Equation for Dynamic Change in Complex System and System Identification by Genetic Algorithm, SICE, Proc. of 25th Intelligent system symposium, pp.31-34, March 1998. (in Japanese, PDF file)
記号 M. Hirafuji, S. Hagan, K. Otobe and K. Tanaka, A Global Optimization Algorithm for Nonlinear Biological Systems Using a Hierarchical Model of Evolution and Consciousness, 3rd IFAC/CIGR Workshop on Artificial Intelligence in Agriculture, pp. 126-130, 1998. (PDF file)
記号

K. Otobe, K. Tanaka and M. Hirafuji, IMAGE PROCESSING AND INTERACTIVE SELECTION WITH JAVA BASED ON GENETIC ALGORITHMS, 3rd IFAC/CIGR Workshop on Artificial Intelligence in Agriculture, pp. 88-93, 1998. (PDF file)

記号

M. Hirafuji, S. Hagan, K. OTOBE and  K. Tanaka, An Alternative Strategy for Evolutionary Computation based on Research of Consciousness, Proc. of the 3rd Asia-Pacific conference on control & measurement, Aug. 31-Sept. 4, 1998, Dunhuang, P. R. China  (PDF file)

Recent Presentations  (since 1998)

2000

Plenary
記号 M. Hirafuji, Keyword for Succession in Agricultural Information Networks, Proc. of Agro-informatics Seminar 2000, JSAI (Japanese Society of Agricultural Informatics),  2-3 March 2000, pp.6-14,  (PDF file in Japanese)

1999

Invited
記号 M. Hirafuji, Limits and possibilities of computational models, Proc. of  data-mining of biological information: from genome to individuals, 7th seminar of Biometrics, 15-16  Oct 1999.   (PDF file in Japanese)
記号 M. Hirafuji, A survey of modeling, Joint annual conference of the society of agricultural meteology of Japan, Japanese society of environment control in biology and Japanese society of high technology in agriculture28-31 July 1999.
記号 K. Tanaka, Modelbase and distributed objects, Workshop for information systems, Joint annual conference of the society of agricultural meteology of Japan, Japanese society of environment control in biology and Japanese society of high technology in agriculture28-31 July 1999.
記号 M. Hirafuji, Self-organization and function of global optimization caused by quantum effects in biological complex systems, Conference on "Quantum Approaches to Consciousness", Northern Arizona University, Flagstaff, Arizona, July 28-August 1, 1999. (Abstract)

Oral/Poster

記号 M. Hirafuji, S. Hagan, Are really long-range forecast for biological complex systems nonsense?: Modeling of emergence of order and stability in biological complex systems, Proceeding of Joint annual conference of the society of agricultural meteology of Japan, Japanese society of environment control in biology and Japanese society of high technology in agriculture, pp.252-253, 28-31 July 1999 (in Japanese).
記号 K. Tanaka, K. Otobe, M. Hirafuji, Plant growth prediction models for agricultural modelbase, Proceeding of Joint annual conference of the society of agricultural meteology of Japan, Japanese society of environment control in biology and Japanese society of high technology in agriculture, pp.306-307, 28-31 July 1999 (in Japanese).
記号 K. Otobe, K. Tanaka, M. Hirafuji, Knowledge acquisition method for extracting images of plants  in fields by GA, Proc. of 11th annual conference, JSAI, Japan, 27-28 Feb 1999  (PDF file in Japanese)
記号 K. Tanaka, K. Otobe, M. Hirafuji, Development of a agricultural model-base with Java, Proc. of 11th annual conference, JSAI, Japan, 27-28 Feb 1999  (PDF file in Japanese)
記号 Watanabe T., J.S. Hanan and P.M. Room, Virtual Rice: I. Measurement and specification of three-dimensional structure. Jpn. J. Crop Sci. 68(extra issue 2):68-69, 1999. (PDF file)
記号 Watanabe T., J.S. Hanan and P.M. Room, Virtual Rice: II. Simulation of architecture and development by using L-system. Jpn. Crop Sci. 68(extra issue 2):70-71, 1999. (PDF file)

1998

記号 M. Hirafuji, S. Hagan, An universal model for evolution of consciousness in quantum and macroscopic hierarchical systems, Toward a Science of Consciousness, Tucson III,  2 May 1998 (TXT)
記号 S. Hagan, M. Hirafuji, Locating the interface in a mixed quantum/classical model of brain function, Toward a Science of Consciousness, Tucson III, 28 April 1998 (TXT)
記号 M. Hirafuji, K. Otobe, K. Tanaka, T. Moriya, Development of an artificial ecosystem equipment for fact data collection and public information, Joint annual conference of the society of agricultural meteology of Japan, Japanese society of environment control in biology and the society of agricultural structures, Japan, 28-31 July 1998, pp. 402-403.  (PDF file in Japanese)

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Written by Masayuki HIRAFUJI.