Approximate Encoding for Direct Access and Query Processing over Compressed Bitmaps.
Tan ApaydinGuadalupe CanahuateHakan FerhatosmanogluAli Saman TosunPublished in: VLDB (2006)
Keyphrases
- bitmap indexes
- query processing
- run length encoding
- times faster
- storage space
- data structure
- scientific data
- index structure
- database systems
- bitmap indices
- similarity search
- range queries
- query evaluation
- encoding scheme
- storage devices
- run length
- bit wise
- aggregate queries
- compression scheme
- query optimization
- processing queries
- access control
- data sources
- search engine
- database