The Object-Attribute-Relationship(OAR)model provides a single model tocapture data structure,behavior properties and knowledge rules in the CAPP application.Thi
In this paper,the relationship between the time-dependent solutions andsteady-state solutions of the semiconductor equations affected by magnetic field isconsid
Schema incompatibility is a major challenge to a federated database systemfor data sharing among heterogeneous,multiple and autonomous databases.This paperprese