2043 search results - page 146 / 409 » The Limits of Querying Ontologies |
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
Database query languages can be intimidating to the nonexpert, leading to the immense recent popularity for keyword based search in spite of its significant limitations. The holy ...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...
ALT
2003
Springer
14 years 6 months ago
2003
Springer
A pattern is a finite string of constant and variable symbols. The erasing language generated by a pattern p is the set of all strings that can be obtained by substituting (possib...
ICDT
2005
ACM
14 years 2 months ago
2005
ACM
The existence of a language expressing precisely the PTIME queries on arbitrary structures remains the central open problem in the theory of database query languages. As it turns o...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
In this paper we propose and analyze a method for proofs of actual query execution in an outsourced database framework, in which a client outsources its data management needs to a...