4137 search results - page 17 / 828 » Managing Expressions as Data in Relational Database Systems |
PODS
2008
ACM
14 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...
MUE
2008
IEEE
14 years 2 months ago
2008
IEEE
In this paper, a generalized multimedia database data model based on MPEG-7 named G3M is proposed and formally defined. Different from those XML Database Management System (DBMS) ...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Relational database management systems are constantly being extended and augmented to accommodate data in different domains. Recently, with the increasing use of ontology in vario...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Annotation is the process of supplementing data with additional information that was not part of the actual observation, but reflects post-facto comments and associations made by a...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
The description, composition, and execution of even logically simple scientific workflows are often complicated by the need to deal with "messy" issues like heterogeneou...