8497 search results - page 1598 / 1700 » Design for an Optimal Probe |
155
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
183
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
139
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
Structured peer-to-peer (P2P) overlays have been successfully employed in many applications to locate content. However, they have been less effective in handling massive amounts o...
157
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
We demonstrate XRPC, a minimal XQuery extension that enables distributed querying between heterogeneous XQuery engines. The XRPC language extension enhances the existing concept o...
157
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...