350 search results - page 18 / 70 » An optimization framework for map-reduce queries |
147
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CORR
2010
Springer
15 years 4 months ago
2010
Springer
Previous work reports about SXSI, a fast XPath engine which executes tree automata over compressed XML indexes. Here, reasons are investigated why SXSI is so fast. It is shown tha...
163
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SIGMOD
2001
ACM
16 years 4 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
145
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EDBT
2006
ACM
15 years 8 months ago
2006
ACM
As data management applications grow more complex, they may need efficient distributed query processing, but also subscription management, data archival etc. To enact such applicat...
134
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SEMWEB
2005
Springer
15 years 10 months ago
2005
Springer
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
167
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CIKM
2007
Springer
15 years 8 months ago
2007
Springer
We investigate the problem of how to evaluate, fast and efficiently, classes of optimal route queries on a massive graph in a unified framework. To evaluate a route query effectiv...