978 search results - page 54 / 196 » Xyleme Query Architecture |
157
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ICDE
2005
IEEE
15 years 10 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
146
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DBISP2P
2004
Springer
15 years 9 months ago
2004
Springer
We present the InfoBeacons system, in which a peer-to-peer network of beacons cooperates to route queries to the best information sources. The routing in our system uses techniques...
122
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ICDE
2000
IEEE
15 years 8 months ago
2000
IEEE
We consider an architecture of mediators and wrappers for Internet accessible WebSources of limited query capability. Each call to a source is a WebSource Implementation (WSI) and...
148
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CIDR
2009
15 years 5 months ago
2009
Over the past 40 years, database management systems (DBMSs) have evolved to provide a sophisticated variety of data management capabilities. At the same time, tools for managing q...
160
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DEXA
2007
Springer
15 years 8 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...