651 search results - page 28 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
GIS
2006
ACM
14 years 10 months ago
2006
ACM
Remotely sensed data, in particular satellite imagery, play many important roles in environmental applications and models. In particular applications that study (rapid) changes in...
VLDB
2001
ACM
14 years 1 months ago
2001
ACM
imizer Communication using Abstract Plans in Sybase ASE Query optimizers are error prone, due to both their nature and the increased search space that modern query processing requ...
FOCS
2009
IEEE
14 years 26 days ago
2009
IEEE
Given a set D = {d1, d2, ..., dD} of D strings of total length n, our task is to report the "most relevant" strings for a given query pattern P. This involves somewhat mo...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
CIKM
2006
Springer
14 years 22 days ago
2006
Springer
Monitoring systems today often involve continuous queries over streaming data, in a distributed collaborative system. The distribution of query operators over a network of process...