4114 search results - page 237 / 823 » Efficient Algorithms for the 2-Center Problems |
190
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
Trajectory search has long been an attractive and challenging topic which blooms various interesting applications in spatial-temporal databases. In this work, we study a new probl...
198
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DKE
2008
15 years 6 months ago
2008
We study an important data analysis operator, which extracts the k most important groups from data (i.e., the k groups with the highest aggregate values). In a data warehousing co...
220
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WCE
2007
15 years 7 months ago
2007
—Spatial query execution is an essential functionality of a sensor network. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execu...
174
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CAINE
2003
15 years 8 months ago
2003
Clustering is the process of subdividing an input data set into a desired number of subgroups so that members of the same subgroup are similar and members of different subgroups h...
187
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CVIU
2008
2008
Topology cuts: A novel min-cut/max-flow algorithm for topology preserving segmentation in N-D images
15 years 6 months ago
Topology is an important prior in many image segmentation tasks. In this paper, we design and implement a novel graph-based min-cut/max-flow algorithm that incorporates topology p...