—Database technology is the significant part of computer science and technology, as the core technology of information management, database technology is widely used in the field...
In this paper we investigate the feasibility and efficiency of mapping XML data and access control policies onto relational and native XML databases for storage and querying. We de...
Lazaros Koromilas, George Chinis, Irini Fundulaki,...
Frequent constraint violations on the data stored in a database may suggest that the semantics of the represented reality is changing. In this work we propose a methodology and a t...
Abstract. We describe a system designed to provide database programming support for Oberon programmers. The system is based on a generic object-oriented data model which supports r...
Abstract. This paper discusses concurrency control in distributed geographical database systems. A geographic data server providing transactional services must be designed to handl...