651 search results - page 36 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
The probabilistic threshold query (PTQ) is one of the most common queries in uncertain databases, where all results satisfying the query with probabilities that meet the threshold...
JIDM
2010
13 years 3 months ago
2010
The increasing volume of data stored as XML documents makes fragmentation techniques an alternative to the performance issues in query processing. Fragmented databases are feasible...
SIGMOD
1995
ACM
14 years 17 days ago
1995
ACM
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
ICDT
2005
ACM
14 years 2 months ago
2005
ACM
A common technique for improving performance for database query retrieval is to decluster the database among multiple disks so that retrievals can be parallelized. In this paper we...