775 search results - page 144 / 155 » Consistency and Performance of Concurrent Interactive Databa... |
112
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DEXA
2007
Springer
15 years 1 months ago
2007
Springer
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
VLDB
2000
ACM
15 years 1 months ago
2000
ACM
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...
120
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ICDE
2012
IEEE
13 years 1 days ago
2012
IEEE
—MapReduce has emerged as a popular tool for distributed and scalable processing of massive data sets and is increasingly being used in e-science applications. Unfortunately, the...
EDBT
2012
ACM
12 years 12 months ago
2012
ACM
We present an effective optimization framework for general SQLlike map-reduce queries, which is based on a novel query algebra and uses a small number of higher-order physical ope...
170
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Active Data Warehousing has emerged as an alternative to conventional warehousing practices in order to meet the high demand of applications for up-to-date information. In a nutsh...