87 search results - page 18 / 18 » Heuristics and exact methods for number partitioning |
105
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DKE
2008
14 years 11 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...
175
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SIGMOD
2009
ACM
15 years 11 months ago
2009
ACM
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...