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Research on the Semantic Pattern-based Context-aware Middleware

Author: ZhouXiaoMing
Tutor: RaoRuoZuoï¼›TangXinHuai
School: Shanghai Jiaotong University
Course: Software Engineering
Keywords: Pervasive Computing Mobile Middleware Context-aware Ontology Tuple space Service Customization
CLC: TP311.52
Type: Master's thesis
Year: 2010
Downloads: 136
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With the development of pervasive computing, mobile middleware technology is becoming more common. Road mobile middleware technology from research to practical, context-aware, dynamically adaptive, mobile interaction and coordination between entities is the focus of attention within the field. With the popularity of the application, the mobile computing environment, showing the growing trend of isomerization, the traditional concept of context can not meet the technical requirements. And applications in a mobile environment is also showing a trend of increasingly personalized. Intelligent systems and tasks in a mobile environment, demand is also growing. However, to meet these needs, the context-aware mobile middleware development there are problems. First, the traditional concept of context-aware exist two drawbacks: 1) interactive objects confined between the user and the application; 2) there is no relationship between the highlight interactive objects. Secondly, apply to the Ad-hoc network of mobile middleware is not yet ripe. In addition, a user-centric mobile services customized lack of flexibility. In order to solve these problems, the paper will study and propose a semantic matching based context-aware mobile middleware (Semantic Pattern-Based Context-Aware Middleware) (SPBCA) framework. The main study is divided into the following aspects: (1) For a description of the relationship between objects in the context of the concept and to study how to combine semantic ontology concept, expression and conversion of information objects are semantically better; 2 in order to dynamic adaptation of heterogeneous information exchange in mobile computing environments, the concept of the introduction of proactive conversion, pre-judgment and conversion of information, in order to shield the heterogeneous nature of the information; 3 in order to support context-aware smart, automated information processing using context events reflex mechanism; 4. because this middleware suitable for the Ad-hoc network, and the need to support the asynchronous data exchange using the tuple space structures to the center of the system architecture, better support for asynchronous, context-sensitive communication and the function of the protection of private information; 5. runtime service customization features to meet the needs of the user-centered, and proposed collaboration between a service provider and service consumer service programmable customization. This article by the above studies, build context-aware middleware system to a certain extent solves the existing problems in the above-described mobile middleware. In a typical scenario, the system prototype middleware system to achieve the desired goals.

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