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» Toward Practical Constraint Databases
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DAGSTUHL
2007
13 years 8 months ago
What is Input/Output Logic? Input/Output Logic, Constraints, Permissions
We explain the raison d’ˆetre and basic ideas of input/output logic, sketching the central elements with pointers to other publications for detailed developments. The motivation...
David Makinson, Leendert W. N. van der Torre
SIGMOD
2008
ACM
65views Database» more  SIGMOD 2008»
14 years 7 months ago
Generating targeted queries for database testing
Tools for generating test queries for databases do not explicitly take into account the actual data in the database. As a consequence, such tools cannot guarantee suitable coverag...
Chaitanya Mishra, Nick Koudas, Calisto Zuzarte
PODS
2009
ACM
113views Database» more  PODS 2009»
14 years 8 months ago
Relative information completeness
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
Wenfei Fan, Floris Geerts
VLDB
1990
ACM
101views Database» more  VLDB 1990»
13 years 11 months ago
Non-Monotonic Knowledge Evolution in VLKDBs
Non-monotonic knowledge evolutions and exceptions constitute a complex theoritical and practical problem. The state of the art shows a rich and surprising diversity of approaches....
Christian Esculier
ICDE
2006
IEEE
153views Database» more  ICDE 2006»
14 years 8 months ago
ConQueSt: a Constraint-based Querying System for Exploratory Pattern Discovery
ConQueSt is a constraint-based querying system devised with the aim of supporting the intrinsically exploratory nature of pattern discovery. It provides users with an expressive c...
Francesco Bonchi, Fosca Giannotti, Claudio Lucches...