Efficient estimation of joint queries from multiple OLAP databases.
Elaheh PourabbasArie ShoshaniPublished in: ACM Trans. Database Syst. (2007)
Keyphrases
- databases
- data retrieval
- database
- data model
- multidimensional databases
- data warehouse
- database queries
- query language
- data sources
- response time
- query processing
- aggregation queries
- relational database systems
- on line analytical processing
- efficient query evaluation
- indexing structure
- multiple queries
- statistical databases
- knowledge discovery
- metadata
- data management
- data warehousing
- query evaluation
- data cube
- retrieval systems
- user queries
- business intelligence
- information retrieval systems
- aggregate queries
- database systems
- web pages
- bitmap indices
- approximate query answering
- data mining