S. Soysangwarn and S. Chittayasothorn (Thailand)
Temporal Database, Object Database, Temporal Objects, Software Tool
Nowadays the application of temporal databases in modern information systems becomes more and more popular. Time-varying information with valid time, transaction time or both are required by typical applications such as human resource management, medical information systems, agriculture and farm management. Also, the object-oriented paradigm is now the standard paradigm for software development. Object databases are widely available commercially. However, the concept of temporal database is still not included as a standard feature and the users have to implement them at the application level. This paper presents temporal object database implementation techniques. The techniques can accommodate attribute timestamping both at the object class and the association between object classes. A software tool based on the proposed techniques is developed.
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