522 search results - page 6 / 105 » Answering Aggregation Queries in a Secure System Model |
SENSYS
2003
ACM
14 years 23 days ago
2003
ACM
Sensor networks promise viable solutions to many monitoring problems. However, the practical deployment of sensor networks faces many challenges imposed by real-world demands. Sen...
ALGORITHMICA
2004
13 years 7 months ago
2004
Query answers from on-line databases can easily be corrupted by hackers or malicious database publishers. Thus it is important to provide mechanisms which allow clients to trust th...
AMW
2010
13 years 9 months ago
2010
We study query authentication schemes, algorithmic and cryptographic constructions that provide efficient and secure protocols for verifying the results of queries over structured...
PERCOM
2005
ACM
14 years 1 months ago
2005
ACM
A distributed system for approximate query answering on sensor network data is proposed, where a suitable compression technique is exploited to represent data and support query an...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
Abstract. Aggregate window queries return summarized information about objects that fall inside a query rectangle (e.g., the number of objects instead of their concrete ids). Tradi...