310 search results - page 8 / 62 » Clustering Aggregation |
IDEAS
1999
IEEE
13 years 11 months ago
1999
IEEE
Data-warehousing applications cope with enormous data sets in the range of Gigabytes and Terabytes. Queries usually either select a very small set of this data or perform aggregat...
ICDCS
2007
IEEE
14 years 1 months ago
2007
IEEE
Sensor nodes are often organized into clusters to facilitate many network operations such as data aggregation. Clustering has to be protected in hostile environments. Otherwise, a...
SECON
2010
IEEE
13 years 5 months ago
2010
IEEE
Data aggregation in wireless sensor networks is vulnerable to security attacks and natural failures. A few nodes can drastically alter the result of the aggregation by reporting er...
WWW
2010
ACM
13 years 11 months ago
2010
ACM
This paper presents a technique for visualizing large spatial data sets in Web Mapping Systems (WMS). The technique creates a hierarchical clustering tree, which is subsequently u...
INFOCOM
2007
IEEE
14 years 1 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...