107 search results - page 1 / 22 » Indexing mobile objects using dual transformations |
VLDB
2005
ACM
14 years 4 months ago
2005
ACM
With the recent advances in wireless networks, embedded systems and GPS technology, databases that manage the location of moving objects have received increased interest. In this ...
DEBU
2002
13 years 4 months ago
2002
We present techniques to index mobile objects in order to efficiently answer range queries about their future positions. This problem appears in real-life applications, such as pr...
VLDB
2008
ACM
14 years 4 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
ICMCS
2007
IEEE
13 years 11 months ago
2007
IEEE
This paper investigates the use of the anisotropic 3-D dualtree discrete wavelet transform (DDWT) for video coding. The 3-D DDWT is an attractive video representation because it i...
CIKM
2000
Springer
13 years 9 months ago
2000
Springer
The complexity of deploying high-performance spatial structures in transactional DBMS environments has motivated researchers to experiment with the idea of reusing the effort inve...