251 search results - page 21 / 51 » Rewriting Aggregate Queries using Description Logic |
TPHOL
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract. We present a comprehensive set of tactics that make it practical to use separation logic in a proof assistant. These tactics enable the verification of partial correctne...
RR
2010
Springer
13 years 6 months ago
2010
Springer
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
CADE
2007
Springer
14 years 8 months ago
2007
Springer
The E-KRHyper system is a model generator and theorem prover for first-order logic with equality. It implements the new E-hyper tableau calculus, which integrates a superposition-b...
ER
2010
Springer
13 years 5 months ago
2010
Springer
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...
BDA
2004
13 years 9 months ago
2004
For around 10 years, the academic research in database has attempted to define a commonly agreed logical modeling for the multidimensional and hierarchical nature of data manipulat...