43 search results - page 7 / 9 » Hierarchical In-Network Data Aggregation with Quality Guaran... |
IPSN
2007
Springer
13 years 12 months ago
2007
Springer
We consider the problem of approximating a family of isocontours in a sensor field with a topologically-equivalent family of simple polygons. Our algorithm is simple and distribu...
GIS
2010
ACM
13 years 3 months ago
2010
ACM
The sensing systems that monitor physical environments rely on communication infrastructures (wired or wireless) to collect data from the sensors embedded in the environment. Howe...
TON
1998
13 years 5 months ago
1998
— Most application data units are too large to be carried in a single packet (or cell) and must be segmented for network delivery. To an application, the end-to-end delays and lo...
SIGMOD
2006
ACM
14 years 5 months ago
2006
ACM
Data stream applications have made use of statistical summaries to reason about the data using nonparametric tools such as histograms, heavy hitters, and join sizes. However, rela...
PAMI
2008
13 years 5 months ago
2008
Abstract-Similarity searching often reduces to finding the k nearest neighbors to a query object. Finding the k nearest neighbors is achieved by applying either a depth-first or a ...