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SIGMOD
2008
ACM
15 years 11 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
108
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SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
Applications ranging from location-based services to multi-player online gaming require continuous query support to monitor, track, and detect events of interest among sets of mov...
EDBT
2011
ACM
14 years 2 months ago
2011
ACM
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...
CVGIP
2007
14 years 11 months ago
2007
Point-based surface processing has developed into an attractive alternative to mesh-based processing techniques for a number of geometric modeling applications. By working with po...
GIS
2006
ACM
14 years 11 months ago
2006
ACM
This paper tackles a major privacy threat in current location-based services where users have to report their exact locations to the database server in order to obtain their desir...