829 search results - page 154 / 166 » Location-aware Query Processing and Optimization |
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
109
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ICDAR
2011
IEEE
13 years 9 months ago
2011
IEEE
—We propose a novel scenario called “writer retrieval” consisting in the retrieval from a set of documents all those produced by the same writer. The retrieval is based on a ...
163
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
105
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IPSN
2007
Springer
15 years 3 months ago
2007
Springer
FlashDB is a self-tuning database optimized for sensor networks using NAND flash storage. In practical systems flash is used in different packages such as on-board flash chips,...
80
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CIDR
2009
14 years 10 months ago
2009
Energy costs are quickly rising in large-scale data centers and are soon projected to overtake the cost of hardware. As a result, data center operators have recently started turni...