821 search results - page 7 / 165 » Using State Modules for Adaptive Query Processing |
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
We introduce a new abstract model of database query processing, finite cursor machines, that incorporates certain data streaming aspects. The model describes quite faithfully what...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
IADIS
2008
13 years 9 months ago
2008
This paper describes the Mentor Component, which is part of an Affective Educational Module for distance learning. The main purpose of the Affective Module is to motivate the stud...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
— Bit interleaved coded multiple beamforming (BICMB) was previously designed to achieve full spatial multiplexing of min(N, M) and full spatial diversity of NM for N transmit and...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...