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《Chinese Journal of Computers》 1993-11
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Feng Yulin,Li Jing and Huang TaoInstitute of Software,Academia Sinica,Beijing 100080  
This paper contributes to establish an object semantics theory based on temporal model.Every object is considered as a set of events,attributes and all possible traces.Some concepts such as object inheritance and object composition etc.,could be interpreted semantically in the model.An object type is defined as a class of objects satisfying a set of invariant constraints ,i.e.,state constraints for object attributes and temporal constraints for object traces.A non trivial example is given to illustrate how to reason about these object constraints.
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