XPathLearner: An On-line Self-Tuning Markov Histogram for XML Path Selectivity Estimation.
Lipyeow LimMin WangSriram PadmanabhanJeffrey Scott VitterRonald ParrPublished in: VLDB (2002)
Keyphrases
- selectivity estimation
- xml queries
- xml data management
- xml data
- xml documents
- path expressions
- query optimization
- xml databases
- xml schema
- spatial join
- shortest path
- query processing
- data exchange
- relational databases
- join operations
- relational data
- data model
- keyword search
- join algorithms
- tree patterns
- range queries
- cost model
- databases
- database systems
- metadata
- semistructured data
- structured data
- data integration
- data analysis