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» Preprocessing of Intractable Problems
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IS
2008
13 years 7 months ago
The complexity and approximation of fixing numerical attributes in databases under integrity constraints
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
Leopoldo E. Bertossi, Loreto Bravo, Enrico Francon...
CONSTRAINTS
2010
193views more  CONSTRAINTS 2010»
13 years 5 months ago
Constraint propagation on quadratic constraints
This paper considers constraint propagation methods for continuous constraint satisfaction problems consisting of linear and quadratic constraints. All methods can be applied after...
Ferenc Domes, Arnold Neumaier
CCS
2006
ACM
13 years 11 months ago
Resiliency policies in access control
We introduce the notion of resiliency policies in the context of access control systems. Such policies require an access control system to be resilient to the absence of users. An...
Ninghui Li, Mahesh V. Tripunitara, Qihua Wang
BIRTHDAY
2004
Springer
14 years 1 months ago
Engineers Don't Search
Abstract. This paper is on the automation of knowledge-intensive tasks in engineering domains; here, the term “task” relates to analysis and synthesis tasks, such as diagnosis ...
Benno Stein
ICDE
2007
IEEE
97views Database» more  ICDE 2007»
14 years 2 months ago
Service Description and Analysis From a Type Theoretic Approach
In this paper, we propose to deploy type-theoretic techniques to the service description and composition verification. We define a flexible type system for modeling instances a...
Ken Q. Pu