2228 search results - page 270 / 446 » On Database Theory and XML |
218
click to vote
CCS
2008
ACM
15 years 9 months ago
2008
ACM
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...
198
click to vote
SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
Spatial and temporal database systems, both in theory and in practice, have developed dramatically over the past two decades to the point where usable commercial systems, underpin...
215
click to vote
PODS
2008
ACM
16 years 7 months ago
2008
ACM
We study complexity and approximation of queries in an expressive query language for probabilistic databases. The language studied supports the compositional use of confidence com...
198
Voted
ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
— Enterprise database systems handle a variety of diverse query workloads that are of different importance to the business. For example, periodic reporting queries are usually mi...
192
click to vote
ICDT
2012
ACM
13 years 9 months ago
2012
ACM
We introduce a new normal form, called essential tuple normal form (ETNF), for relations in a relational database where the constraints are given by functional dependencies and jo...