2001, Volume 3, Issue 5
Strategic Study of CAE >> 2001, Volume 3, Issue 5
Active Virtual Server and a Novel Mechanism for Data Integration over Internet
1. Beijing Institute of System Engineering, Beijing 100101, China
2. Dept. of Computer Science and Technology, Peking University, Beijing 100871, China
3. National Key Laboratory on Machine Perception, Peking University, Beijing 100871, China
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Abstract
Aiming at solving the problems of information retrieval and data integration over Internet, the idea of “active virtual server” is proposed, and a novel mechanism for data integration based on the virtual server is presented. Active virtual servers can be regarded as the uniform storage and processor of massive data over Internet, with the function of active services. By only using a unified extendable language (UXL) to wrap each kind of server with a uniform interface “active service coat”，the “active virtual server” can be constructed as needed without changing the original DBMS on the server. The above “coat” needs to be done only once for each kind of server, and can be exploited uniformly all over the Internet, hence it plays the role as Java Virtual Machine does.
Keywords
active virtual server ; data integration ; extendable markup language (XML) ; unified extendable (UXL) ; information agent
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