Proof-tree transformation theorems and their applications
PODS '89 Proceedings of the eighth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Subtree-elimination algorithms in deductive databases
Subtree-elimination algorithms in deductive databases
On the equivalence of recursive and nonrecursive datalog programs
PODS '92 Proceedings of the eleventh ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Answering queries using views (extended abstract)
PODS '95 Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Answering queries using templates with binding patterns (extended abstract)
PODS '95 Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Answering queries using limited external query processors (extended abstract)
PODS '96 Proceedings of the fifteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
A Query Translation Scheme for Rapid Implementation of Wrappers
DOOD '95 Proceedings of the Fourth International Conference on Deductive and Object-Oriented Databases
Queries Independent of Updates
VLDB '93 Proceedings of the 19th International Conference on Very Large Data Bases
Optimal implementation of conjunctive queries in relational data bases
STOC '77 Proceedings of the ninth annual ACM symposium on Theory of computing
Network Visualization of Heterogeneous US Army War Reserve Readiness Data
MIS '98 Proceedings of the 4th International Workshop on Advances in Multimedia Information Systems
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The database theory community, centered around the PODS (Principles of Database Systems) conference has had a long-term interest in logic as a way to represent "data", "information," and "knowledge" (take your pick on the term - it boils down to facts or atoms and rules, usually Horn clauses). The approach of this community has been "slow and steady," preferring to build up carefully from simple special cases to more general ideas, always paying attention to how efficiently we can process queries and perform other operations on the facts and rules. A powerful theory has developed, and it is beginning to have some impact on applications, especially information-integration engines.