1160 search results - page 24 / 232 » Query Processing and Optimization for Pictorial Query Trees |
ICDE
2006
IEEE
15 years 9 days ago
2006
IEEE
In this paper, we propose DBSampler, a query execution mechanism to answer "partial selection" queries in peerto-peer databases. A partial selection query is an arbitrar...
DMSN
2004
ACM
14 years 4 months ago
2004
ACM
An important type of spatial queries for sensor networks are K Nearest Neighbor (KNN) queries. Currently, research proposals for KNN query processing is based on index structures,...
SIGMOD
2005
ACM
14 years 4 months ago
2005
ACM
Recursion represents an important addition to the SQL language. This work focuses on the optimization of linear requeries in SQL. To provide an abstract framework for discussion, ...
MMDB
2003
ACM
14 years 4 months ago
2003
ACM
The increased use of video data sets for multimedia-based applications has created a demand for strong video database support, including efficient methods for handling the content...
CIKM
2011
Springer
12 years 11 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...