Relational queries computable in polynomial time
Information and Control
Extended algebra and calculus for nested relational databases
ACM Transactions on Database Systems (TODS)
Fixpoint extensions of first-order logic and datalog-like languages
Proceedings of the Fourth Annual Symposium on Logic in computer science
Tractable query languages for complex object databases
PODS '91 Proceedings of the tenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
On the expressive power of database queries with intermediate types
Journal of Computer and System Sciences
Completeness results for recursive data bases
PODS '93 Proceedings of the twelfth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
A closed-form evaluation for Datalog queries with integer (gap)-order constraints
ICDT Selected papers of the 4th international conference on Database theory
Algebraic and calculus query languages for recursively typed complex objects
PODS '89 Selected papers of the eighth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Towards a theory of spatial database queries (extended abstract)
PODS '94 Proceedings of the thirteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Finitely representable databases (extended abstract)
PODS '94 Proceedings of the thirteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
The LyriC language: querying constraint objects
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
Constraint query languages (preliminary report)
PODS '90 Proceedings of the ninth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
A relational model of data for large shared data banks
Communications of the ACM
Computers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
Remarks on the algebra of non first normal form relations
PODS '82 Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems
Datalog Queries of Set Constraint Databases
ICDT '95 Proceedings of the 5th International Conference on Database Theory
Constraint Programming and Database Query Languages
TACS '94 Proceedings of the International Conference on Theoretical Aspects of Computer Software
PPCP '94 Proceedings of the Second International Workshop on Principles and Practice of Constraint Programming
Foundations of Aggregation Constraints
PPCP '94 Proceedings of the Second International Workshop on Principles and Practice of Constraint Programming
Linear vs Polynomial Constraints in Database Query Languages
PPCP '94 Proceedings of the Second International Workshop on Principles and Practice of Constraint Programming
Toward Practical Constraint Databases
VLDB '93 Proceedings of the 19th International Conference on Very Large Data Bases
Hauptvortrag: Quantifier elimination for real closed fields by cylindrical algebraic decomposition
Proceedings of the 2nd GI Conference on Automata Theory and Formal Languages
The complexity of relational query languages (Extended Abstract)
STOC '82 Proceedings of the fourteenth annual ACM symposium on Theory of computing
Linear vs. order constraint queries over rational databases (extended abstract)
PODS '96 Proceedings of the fifteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Towards practical constraint databases (extended abstract)
PODS '96 Proceedings of the fifteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Topological queries in spatial databases
PODS '96 Proceedings of the fifteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Strategic directions in constraint programming
ACM Computing Surveys (CSUR) - Special ACM 50th-anniversary issue: strategic directions in computing research
Constraint databases: promising technology or just intellectual exercise?
ACM Computing Surveys (CSUR) - Special issue: position statements on strategic directions in computing research
Uniform quantifier elimination and constraint query processing
ISSAC '97 Proceedings of the 1997 international symposium on Symbolic and algebraic computation
On the containment and equivalence of database queries with linear constraints (extended abstract)
PODS '97 Proceedings of the sixteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Safe query languages for constraint databases
ACM Transactions on Database Systems (TODS)
Journal of the ACM (JACM)
Constraint Programming: Strategic Directions
Constraints
An Extended Algebra for Constraint Databases
IEEE Transactions on Knowledge and Data Engineering
A Database Approach for Modeling and Querying Video Data
IEEE Transactions on Knowledge and Data Engineering
A Representation Independent Language for Planar Spatial Databases with Euclidean Distance
DBPL '99 Revised Papers from the 7th International Workshop on Database Programming Languages: Research Issues in Structured and Semistructured Database Programming
Expressive power of query languages for constraint complex value databases
DASFAA'11 Proceedings of the 16th international conference on Database systems for advanced applications: Part II
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