651 search results - page 102 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
DMSN
2004
ACM
14 years 2 months ago
2004
ACM
Recent work in sensor databases has focused extensively on distributed query problems, notably distributed computation of aggregates. Existing methods for computing aggregates bro...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Existing work in the skyline literature focuses on optimizing the processing cost. This paper aims at minimization of the communication overhead in client-server architectures, wh...
SIGMOD
1998
ACM
14 years 1 months ago
1998
ACM
In this paper, we propose the Pyramid-Technique, a new indexing method for high-dimensional data spaces. The PyramidTechnique is highly adapted to range query processing using the...
ICML
2009
IEEE
14 years 9 months ago
2009
IEEE
Ranking a set of retrieved documents according to their relevance to a query is a popular problem in information retrieval. Methods that learn ranking functions are difficult to o...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
The efficient execution of integration processes between distributed, heterogeneous data sources and applications is a challenging research area of data management. These inn proc...