596 search results - page 108 / 120 » Concurrency Control in Distributed Geographical Database Sys... |
CCS
2007
ACM
14 years 2 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 ...
PVLDB
2010
13 years 7 months ago
2010
Cloud storage is an emerging infrastructure that offers Platforms as a Service (PaaS). On such platforms, storage and compute power are adjusted dynamically, and therefore it is i...
KDD
2005
ACM
14 years 9 months ago
2005
ACM
Discovery of sequential patterns is an essential data mining task with broad applications. Among several variations of sequential patterns, closed sequential pattern is the most u...
HPDC
2000
IEEE
14 years 1 months ago
2000
IEEE
The dQUOB system satis es client need for speci c information from high-volume data streams. The data streams we speak of are the ow of data existing during large-scale visualizat...
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
Joins are essential for many data analysis tasks, but are not supported directly by the MapReduce paradigm. While there has been progress on equi-joins, implementation of join alg...