403 search results - page 66 / 81 » Constraint Databases and Geographic Information Systems |
222
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GIS
2003
ACM
16 years 5 months ago
2003
ACM
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...
125
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CORR
2010
Springer
15 years 4 months ago
2010
Springer
In recent years, the significant growth of RDF data used in numerous applications has made its efficient and scalable manipulation an important issue. In this paper, we present RD...
177
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KDD
2012
ACM
13 years 6 months ago
2012
ACM
Intelligence analysts grapple with many challenges, chief among them is the need for software support in storytelling, i.e., automatically ‘connecting the dots’ between dispar...
152
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CVPR
2008
IEEE
16 years 6 months ago
2008
IEEE
This paper presents an approach to extracting and using semantic layers from low altitude aerial videos for scene understanding and object tracking. The input video is captured by...
224
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Monitoring data streams in a distributed system is the focus of much research in recent years. Most of the proposed schemes, however, deal with monitoring simple aggregated values...