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» Schema Evolution and Versioning: A Logical and Computational...
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COCO
2003
Springer
114views Algorithms» more  COCO 2003»
13 years 10 months ago
Bounded Nondeterminism and Alternation in Parameterized Complexity Theory
We give machine characterisations and logical descriptions of a number of parameterized complexity classes. The focus of our attention is the class W[P], which we characterise as ...
Yijia Chen, Jörg Flum, Martin Grohe
SIGMOD
2009
ACM
202views Database» more  SIGMOD 2009»
14 years 5 months ago
A comparison of flexible schemas for software as a service
A multi-tenant database system for Software as a Service (SaaS) should offer schemas that are flexible in that they can be extended for different versions of the application and d...
Stefan Aulbach, Dean Jacobs, Alfons Kemper, Michae...
KR
2000
Springer
13 years 9 months ago
Anytime Diagnostic Reasoning using Approximate Boolean Constraint Propagation
In contrast with classical reasoning, where a solution is either correct or incorrect, approximate reasoning tries to compute solutions which are close to the ideal solution, with...
Alan Verberne, Frank van Harmelen, Annette ten Tei...
SEKE
2007
Springer
13 years 11 months ago
Managing XML Versions and Replicas in a P2P Context
Peer-to-Peer (P2P) systems seek to provide sharing of computational resources, which may be duplicated or versioned over several peers. Duplicate resources (i.e. replicas) are the...
Deise de Brum Saccol, Nina Edelweiss, Renata de Ma...
ICDT
2010
ACM
195views Database» more  ICDT 2010»
13 years 9 months ago
Answering Non-Monotonic Queries in Relational Data Exchange
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
André Hernich