91 search results - page 18 / 19 » Aggregate Operators in Constraint Query Languages |
XSYM
2009
Springer
14 years 1 months ago
2009
Springer
Abstract. We propose a mapping from the Enhanced Entity Relationship conceptual model to the W3C XML Schema Language with the following properties: information and integrity constr...
SIGMOD
2010
ACM
14 years 6 days ago
2010
ACM
We present SecureBlox, a declarative system that uniļ¬es a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speciļ...
CIDR
2003
13 years 8 months ago
2003
We introduce a system to address the challenges involved in managing the multidimensional sensor data streams generated within immersive environments. We call this data type, imme...
VLDB
1998
ACM
13 years 7 months ago
1998
ACM
The increasing power of modern computers steadily opens up new application domains for advanced data processing such as engineering and knowledge-based applications. To meet their...
EUROSYS
2007
ACM
14 years 4 months ago
2007
ACM
In this paper, we present COSMOS, a novel architecture for macroprogramming heterogeneous sensor network systems. Macroprogramming entails aggregate system behavior speciļ¬cation...