On knowledge base management systems: integrating artificial intelligence and d atabase technologies
On knowledge base management systems: integrating artificial intelligence and d atabase technologies
An amateur's introduction to recursive query processing strategies
SIGMOD '86 Proceedings of the 1986 ACM SIGMOD international conference on Management of data
Security checking in relational database management systems augmented with inference engines
Computers and Security
SIGMOD '88 Proceedings of the 1988 ACM SIGMOD international conference on Management of data
Parallel evaluation of the transitive closure of a database relation
International Journal of Parallel Programming
Merging expert systems and databases
AI Expert
A relational model of data for large shared data banks
Communications of the ACM
Universality of data retrieval languages
POPL '79 Proceedings of the 6th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
Design of LDV: A Multilevel Secure Relational Database Management
IEEE Transactions on Knowledge and Data Engineering
Direct Algorithms for Computing the Transitive Closure of Database Relations
VLDB '87 Proceedings of the 13th International Conference on Very Large Data Bases
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Recently many attempts have been made to implement recursive queries. Such queries are essential for the new generation intelligent database system applications. Much of the effort in recursive queries is focussed on transitive closure queries which are of practical significance. None of the work described investigates recursive query processing in secure database management systems. In this paper we propose centralized and distributed algorithms for implementing transitive closure queries for multilevel secure relational database management systems.