Sciweavers

376 search results - page 60 / 76
» Integrity constraints in trust management
Sort
View
ICLP
1994
Springer
15 years 3 months ago
Compiling Intensional Sets in CLP
Constructive negation has been proved to be a valid alternative to negation as failure, especially when negation is required to have, in a sense, an `active' role. In this pa...
Paola Bruscoli, Agostino Dovier, Enrico Pontelli, ...
CAISE
2006
Springer
15 years 3 months ago
Adaptive Query Formulation to Handle Database Evolution
Databases are continuously evolving environments, where design constructs are added, removed or updated quite often. Research has extensively dealt with the problem of database evo...
George Papastefanatos, Panos Vassiliadis, Yannis V...
EDBTW
2006
Springer
15 years 3 months ago
Semantically Correct Query Answers in the Presence of Null Values
For several reasons a database may not satisfy a given set of integrity constraints (ICs), but most likely most of the information in it is still consistent with those ICs; and cou...
Loreto Bravo, Leopoldo E. Bertossi
IEAAIE
2010
Springer
14 years 9 months ago
Temporal Bounded Planner Agent for Dynamic Industrial Environments
This paper presents a time bounded real-time agent, the core of a Multi-agent System aimed at managing the security in manufacturing environments, where time constraints are a key ...
Juan Francisco de Paz, Martí Navarro, Sara ...
SIGMOD
2011
ACM
189views Database» more  SIGMOD 2011»
14 years 2 months ago
We challenge you to certify your updates
Correctness of data residing in a database is vital. While integrity constraint enforcement can often ensure data consistency, it is inadequate to protect against updates that inv...
Su Chen, Xin Luna Dong, Laks V. S. Lakshmanan, Div...