482 search results - page 27 / 97 » Selectivity Estimation in Spatial Databases |
ICMCS
2008
IEEE
14 years 2 months ago
2008
IEEE
Distributed Video Coding (DVC) is based on a new paradigm in coding, which has received many interests recently. This paper proposes a hybrid spatial and temporal error concealmen...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...
JUCS
2008
13 years 7 months ago
2008
: Over the last decade, due to the rapid developments in information technology (IT), a new breed of information systems has appeared such as geographic information systems that in...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
- The embedding of positioning capabilities in mobile devices and the emergence of location-based applications have created novel opportunities for utilizing several types of multi...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Local aspects of Web search -- associating Web content and queries with geography -- is a topic of growing interest. However, the underlying question of how spatial variation is m...