A Clustered Dwarf Structure to Speed up Queries on Data Cubes.
Yubin BaoFangling LengDaling WangGe YuPublished in: J. Comput. Sci. Eng. (2007)
Keyphrases
- data cube
- aggregate queries
- range sum queries
- on line analytical processing
- range queries
- multi dimensional
- olap queries
- data warehouse
- storage space
- pre computed
- multidimensional data model
- multidimensional databases
- multi dimensional data
- online analytical processing
- fact table
- multidimensional arrays
- approximate query answering
- approximate answers
- data structure
- multidimensional data
- response time
- olap systems
- star schema
- data sets
- space efficient
- neural network
- metadata
- sliding window
- index structure
- query language
- query processing