556 search results - page 89 / 112 » Evaluation of probabilistic queries in moving objects databa... |
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
A reverse nearest neighbor (RNN) query returns the data objects that have a query point as their nearest neighbor (NN). Although such queries have been studied quite extensively in...
MIR
2004
ACM
14 years 26 days ago
2004
ACM
We present in this paper a CBIR system for use in a psychological study of the relationship between human movement and Dyslexia. The system allows access to up to 500 hours of vid...
CRIWG
2004
13 years 8 months ago
2004
Awareness is an essential requirement in collaborative activities. This paper presents Ariane, a generic and reusable awareness infrastructure, independent of a specific applicatio...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
In this paper, we consider the following scenario: a set of mobile objects continuously track their positions in a road network and are able to communicate with a central server. ...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...