A query optimization assistant for XPath.
Haris GeorgiadisMinas CharalambidesVasilis VassalosPublished in: EDBT (2011)
Keyphrases
- query optimization
- xml data
- xml documents
- query processing
- query evaluation
- cost model
- query language
- xpath queries
- cost estimation
- xml queries
- data model
- xml databases
- database systems
- multidatabase systems
- query scheduling
- relational databases
- semi structured data
- query execution
- path expressions
- continuous queries
- semantic query optimization
- cardinality estimation
- efficient query processing
- query optimizers
- query execution plans
- transitive closure
- query rewriting
- xml schema
- efficient execution
- approximate query answering
- query optimizer
- xml trees
- recursive queries
- xpath expressions
- first order logic
- data structure
- selectivity estimation
- conjunctive queries
- expressive power
- data integration