265 search results - page 48 / 53 » Universal Trajectory Queries for Moving Object Databases |
COMPGEOM
2004
ACM
14 years 29 days ago
2004
ACM
We propose a generic computational framework for maintaining a discrete geometric structure defined by a collection of static and mobile objects. We assume that the mobile object...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Radio Frequency Identification (RFID) applications are set to play an essential role in object tracking and supply chain management systems. In the near future, it is expected tha...
TCC
2012
Springer
12 years 3 months ago
2012
Springer
In this paper we study the problem of approximately releasing the cut function of a graph while preserving differential privacy, and give new algorithms (and new analyses of exis...
CIKM
1998
Springer
13 years 11 months ago
1998
Springer
Despite of the fact that large line segment datasets are appearing more and more frequently in numerous applications involving spatial data, such as GIS 8, 9] multimedia 6] and ev...
IMTCI
2004
Springer
14 years 27 days ago
2004
Springer
We present a new approach to the grid technology that is based on updateable views. Views are used in two ways: (1) as wrappers of local servers that adopt local schemata to the fe...