CDS関連学術論文 (2011-2)

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Toshio Kodama, Tosiyasu L. Kunii, and Yoichi Seki, "An Example of Cloud Business Application Development using the Continuous Quantity Identifier of the Cellular Data System", Proceedings of the 2011 International Conference on Electric and Electronic (EEIC2011, Jan.20-23, 2011, Nanchang University, Nanchang, China),Lecture Note In Electrical Engineering, pp.135-pp.144, Springer-Verlag, 2011.

In the era of 'cloud' computing, cyberworlds as information worlds have grown rapidly and on an extremely large scale to encapsulate real world activities like finance, commerce, education and manufacturing in the form of e-financing, e-commerce, distance education and e-manufacturing despite the lack of a firm mathematical foundation. In software engineering, many software development methodologies, including the waterfall model and object-oriented model have been introduced. But these current methodologies cannot yet solve the combinatorial explosion problem. A new approach, different from conventional engineering approach, is needed. We have developed a data processing system called the Cellular Data System (CDS) as a new methodology, based on the Incrementally Modular Abstraction Hierarchy (IMAH) in the cellular model, which offers powerful mathematical background in data modeling. In this paper, we develop a continuous quantity identifier to deal with objects that can express continuous quantity on the presentation level of IMAH and integrated it into the data search function of CDS. By taking advantage of continuous quantity identifiers with the data search function of CDS, development of business application logic using continuous quantity becomes much simpler and significantly reduces development and maintenance costs of the system. In addition, we show the effectiveness of a continuous quantity identifier by taking up some examples of core logic development of a car sharing reservation system.