1000 search results - page 112 / 200 » Provenance for Aggregate Queries |
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
In-network sensor query processing systems (ISQPs), or sensor databases, have been developed to acquire, process and aggregate data from wireless sensor networks (WSNs). Because W...
ISAAC
2007
Springer
14 years 4 months ago
2007
Springer
In this paper, we present two linear-size external memory data structures for approximate range searching. Our first structure, the BAR-B-tree, stores a set of N points in Rd and ...
SIGMOD
2005
ACM
14 years 3 months ago
2005
ACM
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...
MM
2004
ACM
14 years 3 months ago
2004
ACM
Combining retrieval results from multiple modalities plays a crucial role for video retrieval systems, especially for automatic video retrieval systems without any user feedback a...
EDBTW
2006
Springer
14 years 1 months ago
2006
Springer
Several query languages have been proposed for managing data streams in modern monitoring applications. Continuous queries expressed in these languages usually employ windowing con...