2095 search results - page 66 / 419 » Modeling and Querying Semi-structured Data |
WWW
2005
ACM
15 years 10 months ago
2005
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
PERCOM
2007
ACM
15 years 9 months ago
2007
ACM
This research is motivated by emerging, real-world wireless sensor network applications for monitoring and control. We examine the benefits and costs of caching data for such appli...
ADBIS
2005
Springer
15 years 3 months ago
2005
Springer
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
DOLAP
2005
ACM
14 years 11 months ago
2005
ACM
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...
FGCN
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper proposes a novel secure query processing model for semantic sensor networks. A semantic sensor network (SSN) is a sensor network which includes semantics of sensory dat...