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SIGGRAPH
1997
ACM
13 years 11 months ago
1997
ACM
Many problems in computer graphics and computer vision require accurate global visibility information. Previous approaches have typically been complicated to implement and numeric...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Web search engines are facing formidable performance challenges due to data sizes and query loads. The major engines have to process tens of thousands of queries per second over t...
MOBISYS
2004
ACM
14 years 7 months ago
2004
ACM
The focus of surveillance missions is to acquire and verify information about enemy capabilities and positions of hostile targets. Such missions often involve a high element of ri...
CHI
1995
ACM
13 years 11 months ago
1995
ACM
This paper explores the issue of user embodiment within collaborative virtual environments. By user embodiment we mean the provision of users with appropriate body images so as to...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Spatial co-location patterns represent the subsets of events whose instances are frequently located together in geographic space. We identified the computational bottleneck in the...