1263 search results - page 226 / 253 » A Scalable Algorithm for Answering Queries Using Views |
SACMAT
2009
ACM
14 years 3 months ago
2009
ACM
Role based access control (RBAC) is a widely used access control paradigm. In large organizations, the RBAC policy is managed by multiple administrators. An administrative role ba...
SSDBM
2010
IEEE
13 years 6 months ago
2010
IEEE
Graphs are prevailingly used in many applications to model complex data structures. In this paper, we study the problem of supergraph containment search. To avoid the NP-complete s...
SSDBM
2005
IEEE
14 years 2 months ago
2005
IEEE
Several studies have demonstrated the effectiveness of Haar wavelets in reducing large amounts of data down to compact wavelet synopses that can be used to obtain fast, accurate a...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
WWW
2001
ACM
14 years 9 months ago
2001
ACM
We describe a new paradigm for performing search in context. In the IntelliZap system we developed, search is initiated from a text query marked by the user in a document she view...