137 search results - page 3 / 28 » Informix under CONTROL: Online Query Processing |
DEDS
2010
13 years 4 months ago
2010
We consider Discrete Event Systems (DES) involving tasks with real-time constraints and seek to control processing times so as to minimize a cost function subject to each task mee...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
In this paper, we propose a stochastic model to describe how search service providers charge client companies based on users' queries for the keywords related to these compan...
XIMEP
2005
ACM
14 years 29 days ago
2005
ACM
We present in this paper a system for rewriting user-specific XPath queries for higher sharing of common sub-expressions in a streaming environment. We rewrite these queries acco...
KDD
2004
ACM
14 years 7 months ago
2004
ACM
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...
FGCN
2008
IEEE
14 years 1 months ago
2008
IEEE
This paper proposes a novel secure query processing model for semantic sensor networks. A semantic sensor network (SSN) is a sensor network which includes semantics of sensory dat...