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More and more research has been focused on improving system expansion and data sharing abilities. of the original system. For China railway information systems, in order to follow its development, how to construct the newly effective information system is its important problem, the existing information service must be used in the newly system. In this paper, aiming at those problems mentioned above,...
Ubiquitous computing is characterized by an extremely diverse set of infrastructure platforms. The market and users requirements have been rapidly changing and diversified. Such evolving situations make constructing large-scale wide-area ubiquitous computing environment extremely difficult. The autonomous decentralized system (ADS) has been proposed for resolving the on-line property to achieve the...
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