265 search results - page 6 / 53 » Ubiquitous Computing: Challenges in Flexible Data Aggregatio... |
DAWAK
2007
Springer
14 years 2 months ago
2007
Springer
We propose a privacy-preserving protocol for computing aggregation queries over the join of private tables. In this problem, several parties wish to share aggregated information ov...
PERVASIVE
2004
Springer
14 years 1 months ago
2004
Springer
In an effort to support the development of context-aware applications that use archived sensor data, we introduce the concept of the Context Cube based on techniques of data wareho...
SAC
2003
ACM
14 years 1 months ago
2003
ACM
One of the most challenging objectives of mobile data management is the ubiquitous, any time, anywhere access. This objective is very difficult to meet due to several network and ...
INFOCOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— Providing efficient data aggregation while preserving data privacy is a challenging problem in wireless sensor networks research. In this paper, we present two privacy...
ICDE
2001
IEEE
14 years 10 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...