32 search results - page 3 / 7 » Learning-Based Top-N Selection Query Evaluation over Relatio... |
SIGMOD
2004
ACM
14 years 6 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
SIGMOD
2008
ACM
14 years 6 months ago
2008
ACM
While database management systems offer a comprehensive solution to data storage, they require deep knowledge of the schema, as well as the data manipulation language, in order to...
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
The high quality, structured data from Web structured sources is invaluable for many applications. Hidden Web databases are not directly crawlable by Web search engines and are on...
EDBT
2009
ACM
14 years 1 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
CIKM
2005
Springer
13 years 11 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...