482 search results - page 27 / 97 » Selectivity Estimation in Spatial Databases |
111
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ICMCS
2008
IEEE
15 years 6 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
15 years 11 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
14 years 11 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...
189
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ICDE
2008
IEEE
16 years 1 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
16 years 15 days 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...