A Histogram-Based Selectivity Estimator for Skewed XML Data.
Hanyu LiMong-Li LeeWynne HsuPublished in: DEXA (2005)
Keyphrases
- xml data
- xml documents
- xml queries
- selectivity estimation
- xml databases
- query optimization
- relational databases
- data model
- query processing
- relational data
- query language
- query evaluation
- semi structured data
- xml schema
- keyword search
- xpath queries
- querying xml data
- native xml
- relational and xml data
- data distribution
- xml fragments
- queries on xml data
- relational database systems
- xml query processing
- cost model
- xml data sources
- standard for data exchange
- semi structured
- integrity constraints
- web mining