477 search results - page 54 / 96 » Algorithms for dynamic geometric problems over data streams |
ICDE
2012
IEEE
13 years 11 days ago
2012
IEEE
— The advance of object tracking technologies leads to huge volumes of spatio-temporal data collected in the form of trajectory data stream. In this study, we investigate the pro...
SPAA
2009
ACM
15 years 10 months ago
2009
ACM
Denial of service (DoS) attacks are arguably one of the most cumbersome problems in the Internet. This paper presents a distributed information system (over a set of completely co...
ISWC
2006
IEEE
15 years 4 months ago
2006
IEEE
We present an approach to activity discovery, the unsupervised identification and modeling of human actions embedded in a larger sensor stream. Activity discovery can be seen as ...
SWAT
1994
Springer
15 years 2 months ago
1994
Springer
This paper gives a CREW PRAM algorithm for the problem of finding lowest common ancestors in a forest under the insertion of leaves and roots and the deletion of leaves. For a fore...
DASFAA
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract. Continuous spatial queries retrieve a set of time-varying objects continuously during a given period of time. However, monitoring moving objects to maintain the correctne...