Abstract
In this paper, we consider a multidatabase system which consists of media databases and traditional alphanumeric databases. The semantic relationships which may exist among the objects in the media databases and alphanumeric databases are introduced. By applying the semantic relationships, the related information in the system can be integrated. Therefore, more powerful querying capabilities and a higher degree of information sharing can be achieved. A query language IMAQL is designed for querying the integrated system. A graphic query interface is also presented to facilitate user-friendly querying in the system.