40 search results - page 6 / 8 » Query systems in similarity-based databases: logical foundat... |
ICDT
2012
ACM
11 years 10 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
ICIW
2008
IEEE
14 years 2 months ago
2008
IEEE
—With the increasing development of real applications using Semantic Web Technologies, it is necessary to provide scalable and efficient ontology querying and reasoning systems....
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
This paper explores an inherent tension in modeling and querying uncertain data: simple, intuitive representations of uncertain data capture many application requirements, but the...
ENTCS
2006
13 years 7 months ago
2006
This paper has the purpose of reviewing some of the established relationships between logic and concurrency, and of exploring new ones. Concurrent and distributed systems are noto...