38 search results - page 3 / 8 » Spatio-Temporal Aggregation Using Sketches |
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
Recent work on distributed, in-network aggregation assumes a benign population of participants. Unfortunately, modern distributed systems are plagued by malicious participants. In...
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
In the emerging area of sensor-based systems, a significant challenge is to develop scalable, fault-tolerant methods to extract useful information from the data the sensors collec...
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
ADHOC
2010
13 years 5 months ago
2010
We propose an algorithm for the hierarchical aggregation of observations in dissemination-based, distributed traffic information systems. Instead of transmitting observed paramete...
ICDE
2009
IEEE
14 years 3 days ago
2009
IEEE
—Sampling is used as a universal method to reduce the running time of computations – the computation is performed on a much smaller sample and then the result is scaled to comp...