1399 search results - page 187 / 280 » New Algorithms for k-Center and Extensions |
SIGMOD
2000
ACM
14 years 1 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
DEXAW
1998
IEEE
14 years 1 months ago
1998
IEEE
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
ICDM
2007
IEEE
14 years 21 days ago
2007
IEEE
Mining frequent patterns in transaction databases has been studied extensively in data mining research. However, most of the existing frequent pattern mining algorithms do not con...
DMSN
2006
ACM
14 years 15 days ago
2006
ACM
Sensor networks are often used to perform monitoring tasks, such as in animal or vehicle tracking and in surveillance of enemy forces in military applications. In this paper we in...
ESA
2006
Springer
14 years 15 days ago
2006
Springer
Abstract. We present a first constant performance guarantee for preemptive stochastic scheduling to minimize the sum of weighted completion times. For scheduling jobs with release ...