8249 search results - page 255 / 1650 » The DBO database system |
188
click to vote
SACMAT
2004
ACM
16 years 1 days ago
2004
ACM
In order to provide a general access control methodology for parts of XML documents, we propose combining rolebased access control as found in the Role Graph Model, with a methodo...
181
click to vote
ICDAR
2003
IEEE
15 years 12 months ago
2003
IEEE
An offline recognition system for Arabic handwritten words is presented. The recognition system is based on a semi-continuous 1-dimensional HMM. From each binary word image norma...
171
click to vote
ICDCS
1998
IEEE
15 years 11 months ago
1998
IEEE
This paper proposes a family of replication protocols based on group communication in order to address some of the concerns expressed by database designers regarding existing repl...
201
click to vote
IDEAS
1997
IEEE
15 years 10 months ago
1997
IEEE
A variety of heterogenous data sources is available in the field of molecular biology. Our focus lies on the biological sequence data, i. e. data maintained in collections like EM...
286
click to vote
ICCI
1993
15 years 10 months ago
1993
Locking and timestamping are two popular approaches to concurrency control in databases systems. Although more than a dozen analytic performance studies of locking techniques have...