ARES: a relational database with the capability of performing flexible interpretation of queries
IEEE Transactions on Software Engineering
CoBase: a scalable and extensible cooperative information system
Journal of Intelligent Information Systems - Special issue on intelligent integration of information
Making abstract interpretations complete
Journal of the ACM (JACM)
POPL '77 Proceedings of the 4th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
A Structured Approach for Cooperative Query Answering
IEEE Transactions on Knowledge and Data Engineering
Cooperative Answering through Controlled Query Relaxation
IEEE Expert: Intelligent Systems and Their Applications
A New Numerical Abstract Domain Based on Difference-Bound Matrices
PADO '01 Proceedings of the Second Symposium on Programs as Data Objects
Cooperative Relational Database Querying Using Multiple Knowledge Bases
Proceedings of the Twelfth International Florida Artificial Intelligence Research Society Conference
Entropy Based Approximate Querying and Exploration of Datacubes
SSDBM '01 Proceedings of the 13th International Conference on Scientific and Statistical Database Management
A Knowledge-Based Approach For Database Flexible Querying
DEXA '06 Proceedings of the 17th International Conference on Database and Expert Systems Applications
A Sound Floating-Point Polyhedra Abstract Domain
APLAS '08 Proceedings of the 6th Asian Symposium on Programming Languages and Systems
Interval Polyhedra: An Abstract Domain to Infer Interval Linear Relationships
SAS '09 Proceedings of the 16th International Symposium on Static Analysis
Abduction-based search for cooperative answers
CLIMA'11 Proceedings of the 12th international conference on Computational logic in multi-agent systems
Generalizing conjunctive queries for informative answers
FQAS'11 Proceedings of the 9th international conference on Flexible Query Answering Systems
Abstract interpretation of database query languages
Computer Languages, Systems and Structures
Taxonomy-Based Fragmentation for Anti-instantiation in Distributed Databases
UCC '13 Proceedings of the 2013 IEEE/ACM 6th International Conference on Utility and Cloud Computing
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A common problem for many database users is how to formulate and submit correct queries in order to get useful responses from the system, with little or no knowledge of the database structure and its content. The notion of cooperative query answering has been explored as an effective mechanism to address this problem. In this paper, we propose a cooperative query answering scheme based on the Abstract Interpretation framework. In this context, we address three key issues: soundness, relevancy and optimality of the cooperative answers.