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Combining with virtual reality technology, we establish the multi-user virtual campus roaming system using Lyinux engine, realize interactive roaming, panoramic navigation and real-time chatting. This paper focuses on improving rendering speed of virtual scene and implementing the synchronization between multi-users. The experiment result shows that this system achieves good results in interaction,...
A wide range of database applications manage time-varying information. Existing database technology currently provides little support for managing such data. In this paper, based on principles and ideas of a temporal processing component called TempDB, we deeply insight into extensions to non-temporal RDBMS, and then use RMI technology to develop a distributed temporal data management platform, the...
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