POPL '87 Proceedings of the 14th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
Principles of database and knowledge-base systems, Vol. I
Principles of database and knowledge-base systems, Vol. I
Towards a theory of declarative knowledge
Foundations of deductive databases and logic programming
Constraint satisfaction in logic programming
Constraint satisfaction in logic programming
Journal of Computer and System Sciences
Constraint logic programming languages
Communications of the ACM
On the representation of infinite temporal data and queries (extended abstract)
PODS '91 Proceedings of the tenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Finite representation of infinite query answers
ACM Transactions on Database Systems (TODS)
A closed-form evaluation for Datalog queries with integer (gap)-order constraints
ICDT Selected papers of the 4th international conference on Database theory
Decision procedure for constraint based extensions of Datalog
Constraint logic programming
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
Embedding extensional finite sets in CLP
ILPS '93 Proceedings of the 1993 international symposium on Logic programming
Datalog with integer periodicity constraints
ILPS '94 Proceedings of the 1994 International Symposium on Logic programming
Conjunto: constraint logic programming with finite set domains
ILPS '94 Proceedings of the 1994 International Symposium on Logic programming
Handling infinite temporal data
Selected papers of the 9th annual ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Selected papers of the 9th annual ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Constraint programming and database languages: a tutorial
PODS '95 Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Dense-order constraint databases (extended abstract)
PODS '95 Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
PODS '95 Proceedings of the fourteenth 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
Providing better support for a class of decision support queries
SIGMOD '96 Proceedings of the 1996 ACM SIGMOD international conference on Management of data
Relational expressive power of constraint query languages
PODS '96 Proceedings of the fifteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Safe stratified Datalog with integer order does not have syntax
ACM Transactions on Database Systems (TODS)
The Semantics of Predicate Logic as a Programming Language
Journal of the ACM (JACM)
From Logic to Logic Programming
From Logic to Logic Programming
Foundations of Databases: The Logical Level
Foundations of Databases: The Logical Level
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
Set Constraints: Results, Applications, and Future Directions
PPCP '94 Proceedings of the Second International Workshop on Principles and Practice of Constraint Programming
Set Constraints and Set-Based Analysis
PPCP '94 Proceedings of the Second International Workshop on Principles and Practice of Constraint Programming
PPCP '94 Proceedings of the Second International Workshop on Principles and Practice of Constraint Programming
LDL: A Logic-Based Data Language
VLDB '86 Proceedings of the 12th International Conference on Very Large Data Bases
CORAL - Control, Relations and Logic
VLDB '92 Proceedings of the 18th International Conference on Very Large Data Bases
Toward Practical Constraint Databases
VLDB '93 Proceedings of the 19th International Conference on Very Large Data Bases
Safe Stratified Datalog with Integer Order Programs
CP '95 Proceedings of the First International Conference on Principles and Practice of Constraint Programming
DISCO: A Constraint Database System with Sets
Proceedings of the ESPRIT WG CONTESSA Workshop on Constraint Databases and Applications
The complexity of relational query languages (Extended Abstract)
STOC '82 Proceedings of the fourteenth annual ACM symposium on Theory of computing
PODS '98 Proceedings of the seventeenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Safe Datalog Queries with Linear Constraints
CP '98 Proceedings of the 4th International Conference on Principles and Practice of Constraint Programming
Safe Database Queries with External Functions
IDEAS '99 Proceedings of the 1999 International Symposium on Database Engineering & Applications
Constraint logic programming over sets of spatial objects
Proceedings of the 2005 ACM SIGPLAN workshop on Curry and functional logic programming
Database query languages and functional logic programming
New Generation Computing
Developing a labelled object-relational constraint database architecture for the projection operator
Data & Knowledge Engineering
Accomplishing approximate FCFS fairness without queues
HiPC'07 Proceedings of the 14th international conference on High performance computing
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
Solving constraints on sets of spatial objects
PADL'05 Proceedings of the 7th international conference on Practical Aspects of Declarative Languages
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In the database framework of Kanellakis et al. [1990] it was argued that constraint query languages should take constraint databases as input and give other constraint databases that use the same type of atomic constraints as output. This closed-form requirement has been difficult to realize in constraint query languages that contain the negation symbol. This paper describes a general approach to restricting constraint query languages with negation to safe subsets that contain only programs that are evaluable in closed-form on any valid constraint database input.