69 search results - page 14 / 14 » Constant-factor approximation algorithms for identifying dyn... |
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
In recent years, the sketch-based technique has been presented as an effective method for counting stream items on processors with limited storage and processing capabilities, such...
GIS
2009
ACM
13 years 11 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
CN
2000
13 years 4 months ago
2000
General-purpose search engines such as AltaVista and Lycos are notorious for returning irrelevant results in response to user queries. Consequently, thousands of specialized, topi...
GECCO
2009
Springer
13 years 11 months ago
2009
Springer
The sophistication of computer malware is becoming a serious threat to the information technology infrastructure, which is the backbone of modern e-commerce systems. We, therefore...