2546 search results - page 115 / 510 » Managing long-running queries |
164
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GIS
2008
ACM
15 years 7 months ago
2008
ACM
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
204
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GIS
2008
ACM
15 years 7 months ago
2008
ACM
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
191
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DKE
2006
15 years 6 months ago
2006
As several mature implementations of data warehousing systems are fully operational, a crucial role in preserving their up-to-dateness is played by the ability to manage the chang...
204
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ESWS
2011
Springer
14 years 10 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
180
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
We demonstrate NetTrails, a declarative platform for maintaining and interactively querying network provenance in a distributed system. Network provenance describes the history an...