651 search results - page 99 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
MIDDLEWARE
2005
Springer
14 years 2 months ago
2005
Springer
Unstructured peer-to-peer networks are frequently used as the overlay in various middleware toolkits for emerging applications, from content discovery to query result caching to di...
COMCOM
2008
13 years 9 months ago
2008
The idea of building query-oriented routing indices has changed the way of improving keyword search efficiency from the basis as it can learn the content distribution from the que...
SIGMOD
1998
ACM
14 years 1 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Relational XQuery systems try to re-use mature relational data management infrastructures to create fast and scalable XML database technology. This paper describes the main featur...
CORR
2008
Springer
13 years 9 months ago
2008
Springer
Linearity tests are randomized algorithms which have oracle access to the truth table of some function f, and are supposed to distinguish between linear functions and functions whi...