Optimizing complex queries based on similarities of subqueries.

Qiang Zhu Yingying Tao Calisto Zuzarte

Published in: Knowl. Inf. Syst. (2005)

Keyphrases

complex queries
cost model
query optimization
database
similarity measure
user queries
rewrite rules
casual users
databases
join algorithms
information retrieval systems
database management systems
expressive power