A Join-Like Operator to Combine Data Cubes and Answer Queries from Multiple Data Cubes.
Francesco M. MalvestutoPublished in: ACM Trans. Database Syst. (2014)
Keyphrases
- data cube
- range sum queries
- aggregate queries
- fact table
- multi dimensional
- on line analytical processing
- range queries
- olap queries
- data warehouse
- storage space
- pre computed
- approximate answers
- space efficient
- multidimensional databases
- approximate query answering
- cross level
- query answers
- multi dimensional data
- query result
- multidimensional arrays
- query optimization
- olap systems
- online analytical processing
- data structure
- query processing
- multidimensional data
- efficient processing
- multidimensional data model
- query plan
- compressed data
- machine learning
- feature selection
- relational databases
- query language
- data integration
- join queries
- query evaluation