3225 search results - page 449 / 645 » Query Optimization by Stored Queries |
171
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TKDE
2008
15 years 6 months ago
2008
We propose a novel approach based on predictive quantization (PQ) for online summarization of multiple time-varying data streams. A synopsis over a sliding window of most recent en...
164
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PVLDB
2008
15 years 6 months ago
2008
OLAP servers based on relational backends typically exploit materialized aggregate tables to improve response times of complex analytical queries. One of the key problems in this ...
182
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PVLDB
2010
15 years 4 months ago
2010
Query co-processing on graphics processors (GPUs) has become an effective means to improve the performance of main memory databases. However, this co-processing requires the data ...
196
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SIGMETRICS
2010
ACM
15 years 4 months ago
2010
ACM
Many network-management problems in large backbone networks need the answer to a seemingly simple question: where does a given IP packet, entering the network at a particular plac...
192
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IDEAS
2010
IEEE
15 years 4 months ago
2010
IEEE
Abstract. We consider the class of applications that manage time series (TS) and propose a data model and a query language that let these applications manipulate TS data sets at a ...