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In order to select efficiently cloud services to meet user service request in service composition evolution process under the cloud computing environment, the paper proposes an strategy of cloud service composition evolution based on hybrid particle swarm. First, we explore and describe evaluation standards and calculation expressions for the quality of cloud services under the cloud computing environment...
Currently, the integration of two-dimensional electronic map and three-dimensional virtual scene is a hot spot. Firstly, the article elaborates the characteristics of the integration of VRML-based three-dimensional virtual scene and two-dimensional digital map, then deeply investigates the technology of the integration system of VRML-based three-dimensional virtual scene and two-dimensional digital...
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor-in-Chief. This paper has been withdrawn as it became apparent that a second, virtually identical article was published at about the same time in Journal of Software. The two papers had very similar content,...
The Web services technology has been emerged as a set of standards for publishing, discovering, and composing independent services in an open network. While the rapid development in wireless communication technologies is greatly changing the way people access and work with information. Mobile computing system based on Web services now supports advanced methods for application integration through distributed...
Software evolution techniques have been traditionally concentrated on the code level. However, recent researches have shifted the focus of evolution from the code level to the architectural level. In this paper, we proposed a formal modeling method of dynamic evolution of web-based systems at the architectural level using hypergraph grammars. We represent architectures of web-based systems with hypergraphes,...
Current wireless communications enable people to easily exchange information, while web services provide loosely-coupled and platform-independent ways of linking applications across the Internet or Intranet. This paper presents an integration of wireless communication technologies and web services technologies to realize a wireless food ordering system. In this system, it implements wired and wireless...
This letter studies the coexistence of complete-synchronization and anti-synchronization (hybrid synchronization) for a general class of uncertain chaotic system. A simple adaptive feedback scheme is proposed to achieve the hybrid synchronization, and identify the unknown parameters that chaotic system function is an odd function when it is anti-synchronization. The stability of the error systems...
Developing a distance education system with interactive and three-dimension function is one of the developing directions of distance education. VRML or Virtual Reality Modeling Language is one of many potential educational tools on the Internet. This paper described the application of VRML and the development of ??Computer Assembly and Maintenance?? distance education system based on VRML, discussed...
In order to make use of the PC's ability of processing, management and storage, and implement the management of the mobile phone by the PC, this paper proposes the design method of mobile phone management software based on component technology. Using VC6.0 as the development platform, based on windows serial communication, AT commands, we implemented control to the mobile phone and synchronous transfer...
Sending and receiving SMS messages through the mobile phone have their faults. For making use of the PCpsilas good handling ability, this paper proposes the design method of a mobile short message service system of terminal mode. Connected a PC with a mobile phone through a serial port or a USB port, used VC++6.0 as the development platform, and based on windows serial communication, AT commands,...
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