Masashi Ueda is an Assistant Professor in National Institute of Informatics, Japan from 2006. He received his B.Ec. in Faculty of Economics, Kyoto University in 1998, and M.I. in Graduate School of Informatics, Kyoto University in 2000. He was a visiting fellow in Crawford School of Economics and Government, Australian National University in 2006, and was post doctorial fellow in Institute of Economics and Political Studies, Kansai University, Japan from 2003 to 2005. His concern is social effect of network structure and its competitive modelling. His analysis is focused upon public utility services, like high-speed Internet infrastructure, grid networks, and open source software, based upon economics and management approach.
A study of diffusion and acceptance of an electronic newspaper: The case of an Ehime newspaper
Shiro Uesugi, Hiroki Idota, Hitoshi Okada, Masashi Ueda, Peter Dell, Koji Yamaguchi
International Telecommunications Society 5th Africa-Asia-Australasia Regional Conference Nov 2011
Can “Ogasawara Phones” Survive? –A Conceptual Discussion of Adoption of Smart Phone
Masashi Ueda and Youshin Park
International Telecommunications Society 5th Africa-Asia-Australasia Regional Conference Nov 2011
In Japan various products and services are developed in very unique form. For instance there exists variety of sweets, stationeries, and even though mobile phone. We call this unique domestic customised feature phone as Galapagos phones sounds like its specialised evolution. After the invasion of iPhone 3 of Apple Japanese mobile phone handset market forced to be changed. This was the adopt...
Overview of the charging situation for digital contents in Japan ~ From the viewpoint of IPTV broadcasting~
Naonori Kato, Hiroki Nogawa, and Masashi Ueda
International Telecommunications Society 5th Africa-Asia-Australasia Regional Conference Nov 2011
In general, copyright laws play critical roles in regulating digital contents distribution. On copyright of TV programs, while the Supreme Court of Japan has judged two cases of copyright infringements in 2011 January, a new article on IPTV broadcasting has been effective for simplifying processes for acquiring copyright permission. The two cases of the Supreme Court argued on digital services ...
Competition and corroborations on contents, distribution, and platform markets
Masashi Ueda
The 7th International Conference on ICT Policy Sep 2011
Framework of Identification Management for IT-enabled Services and e-Government - A consideration about the case of Japan
Shiro Uesugi, Masashi Ueda, and Yoshikazu Ujikane
3rd WASE International Conference on Information Engineering (WASE ICIE 2011) Aug 2011
An International Analysis on Diffusion Factor of IPTV
Masashi Ueda
Jul 2011
Overview of the charging situation for digital contents in Japan -From the viewpoint of compensation for private sound and visual recording-
Naonori Kato, Hiroki Nogawa, and Masashi Ueda
International Telecommunications Society Asia-Pacific Regional Conference Jun 2011
A Successful Model of Regional Healthcare Information Exchange in Japan -Kagawa Prefectural Case Study
Daisuke Yamakata, Hiroki Nogawa and Masashi Ueda
International Telecommunications Society Asia-Pacific Regional Conference Jun 2011
A Modelling of Contents and Applications Distribution over Super Broadband Network – An experimental analysis of could computing services and app-style application distributions
Masashi Ueda, Yousin Park, and Yunju Chen
International Telecommunications Society Asia-Pacific Regional Conference Jun 2011
An analysis of the corporate strategy in the diffusion of innovation in ICT industry
Yunju Chen and Masashi Ueda
International Telecommunications Society Asia-Pacific Regional Conference Jun 2011
An international analysis of IPTV structure and efficiency
Masashi Ueda
The 6th International Conference on Information and Communication Technology Policy Jul 2010
The Effective Industrial Model for IPTV
Masashi Ueda, Yousin Park, and Yunju Chen
International Telecommunications Society 18th Biennial and Silver Anniversary Conference Jun 2010 International Telecommunications Society
IPTV is thought to be one of a killer content over broadband access network and rapidly increasing its subscribers in Europe, Asia, and North America. In East Asia we can browse various business model in some industrial structures of IPTV.
In our previous study we analyse this business condition for telecom operators by using Michael Porter’s Five-force model and compare the situation of Japan...
Comparison of health information exchange between Japan and the United States
Daisuke Yamakata, Hiroki Nogawa, Hiroshi Tanaka, and Masashi Ueda
International Telecommunications Society 18th Biennial and Silver Anniversary Conference Jun 2010 International Telecommunications Society
Japan has been suffering from lagging ICT deployment in medical field. This situation is our study focus, and in our previous study, we did a qualitative analysis of health information exchange. There we focused on security level of medical records, and we proposed the security level of medical records based both on persons who made the records and on the information stated in the record.
Here,...
The issues on the contents distribution in the network from the viewpoint of copyright law
Naonori Kato, Hiroki Nogawa, and Masashi Ueda
International Telecommunications Society 18th Biennial and Silver Anniversary Conference Jun 2010 International telecommunication Society
Nowadays, the cloud technology has been widely deployed because of its scalability and its performance. Specific characteristics of cloud technology are floating and moving instances over the network, which causes legal issues against Copyright Law in Japan. In this paper, we analyzed relationship between legal issues and technological implementations on cloud technology. We did my analysis thr...
Preliminary report on eID Survey in JAPAN
Ayako Komatsu and Masashi Ueda
eID Survey Expert Workshop Apr 2010 Institute for Prospective Technological Studies
The structure of IPTV from the viewpoint of social welfare
Masashi Ueda
The 5th International Conference on Information and Communication Technology Policy Jan 2010
Cross-country comparison of regional social networking services: community participation and regional revitalization
Michiko Yoshida, Masashi Ueda, and Kazunori Minetaki
e Challenges Oct 2009 European Union
A Comparative Study on Terrestrial Digital Television Transmission Policy
Masashi Ueda and Shoko Kiyohara
International Telecommunications Society 4th Africa-Asia-Australasia Regional Conference Aug 2009 International Telecommunications Society
Critical Factors for Two Types of IPTV in Broadband Network
Masashi Ueda, Yousin Park, and Yunju Chen
1st Caribbean Regional International Telecommunications Society Conference 2009 Jun 2009 International Telecommunication Society
International Comparative Study on e-Claim in Healthcare Field
Daisuke Yamakata, Hiroyuki Nogawa, Hiroshi tanaka, and Masashi Ueda
1st Caribbean Regional ITS Conference 2009 Jun 2009 International Telecommunication Society
Transition for the Digital Terrestrial Broadcasting in Japan
Tadashi Mima and Masashi Ueda
Pacific Telecommunication Council Jan 2009 Pacific Telecommunication Society
Digital TV Transition Policy
Masashi Ueda
Pacific Telecommunication Council Jan 2009 Pacific Telecommunication Society
A Comparative Study of Diffusion Policy for Broadband in Japan, the U.S., and Korea
Masashi Ueda, Yousin Park, and Shoko Kiyohara
The 36th Research Conference on Communication, Information and Internet Policy Sep 2008
Next Generation Network and Media Convergence
Masashi Ueda
Next Generation Networking Workshop 2009 Aug 2008
Mobile Broadband and Media Convergence in Japan
Masashi Ueda
Japan Centre Seminars 2008 Jul 2008 Japan Centre, Australia National University
Spectrum License Selection of 2.5GHz Wireless Broadband Access in Japan
Yoshihisa Matsumoto, Hitoshi Okada, and Masashi Ueda
International Telecommunications Society 17th Biennial Conference Jun 2008
A study on New Business Method over Media Convergence Networks
Masashi Ueda,Youshin Park
Digital Convergence and Business Model Workshop Jan 2008 Korea Aerospace University
Cost Benefit Analysis of the Digital terrestrial Broadcasting in Japan
Tadashi Mima, Masashi Ueda, Hitoshi Okada
2007 Annual Meeting of Asian Law and Economics Association Aug 2007
The International Symposium on Applications and the Internet 2005 381-383 Feb 2005 [Refereed]
Contents Delivery Network in Broad Band Society
Masashi Ueda, Takashi Masumoto
The Fourth International Conference on Office Automation and Information Management 200 178-186 Nov 2004 [Refereed]
Open Source for Our Information Society: The Impact of Externality, Linux
Masashi Ueda
The Proceedings of Trilateral Seminar on Science, Society and the Internet 201-206 Jun 2004 [Refereed]
The Pricing of the Internet
Masashi Ueda
The First International Conference of Socionetwork Strategies 107-122 May 2003 [Refereed]
Contingent Valuation Using Internet
Masashi Ueda, Toru Matsumoto, Mitsutoshi Abe, and Tetsuro Sakai
International Workshop on Asia Pacific Advanced Network and its Applications 51-55 Feb 2000 [Refereed]
Environmental Valuation in Ise Bay
Masashi Ueda
The Fourth International Conference on the Mediterranean Coastal Environment and The Fourth Innternational Conference on the Environmental Management of Enclosed Coastal Seas 4(3) 1141-1148 Nov 1999 [Refereed]
Applied Mechanics and Materials 135-136 222-230 Oct 2011 [Refereed]
Managing identity is an issue that has been dealt with in various contexts. This paper explores the problem in identity management from the perspective of IT-enabled Services, with special emphasis on the Japanese context. It is an illustration of problems involved in the introduction of a unified national digital identification system in Japan. This paper also presents a framework, which serve...
An Analysis of IPTV Competition Model
Masashi Ueda
Journal of Informatics and Regional Studies 3(1) 149-156 Mar 2011
Optimization of reversible sequential circuits
Abu Sadat Md. Sayem and Masashi Ueda
Journal of Computing 2(6) 208-214 Jun 2010 [Refereed]
In recent year’s reversible logic has been considered as an important issue for designing low power digital circuits. It has voluminous applications in the present rising nanotechnology such as DNA computing, Quantum Computing, low power VLSI and quantum dot automata. In this paper we have proposed optimized design of reversible sequential circuits in terms of number of gates, delay and hardwar...
IPTV Business over Value Network
Masashi Ueda
Journal of Informatics and Regional Studies 1(1) 137-163 Mar 2009
