1000 search results - page 36 / 200 » Provenance for Aggregate Queries |
IS
2006
13 years 9 months ago
2006
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Many aspects of the data integration problem have been considered in the literature: how to match schemas across different data sources, how to decide when different records refer...
MOBICOM
2010
ACM
13 years 10 months ago
2010
ACM
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...
DOLAP
2004
ACM
14 years 3 months ago
2004
ACM
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
ICDT
2010
ACM
14 years 7 months ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...