Schema-based Query Optimization for XQuery Queries.
Sven GroppeStefan BöttcherPublished in: ADBIS Research Communications (2005)
Keyphrases
- query optimization
- xml data
- query processing
- semantic query optimization
- query evaluation
- query language
- query rewriting
- queries involving
- xpath queries
- cost model
- path expressions
- efficient query processing
- selectivity estimation
- query execution plans
- approximate query answering
- complex queries
- data model
- xml schema
- join queries
- query scheduling
- recursive queries
- xml queries
- xml databases
- xml documents
- query plan
- query optimizers
- efficient execution
- xml query languages
- query result
- query execution
- relational database systems
- database systems
- semi structured data
- multidatabase systems
- cardinality estimation
- xpath expressions
- xml trees
- aggregate queries
- execution plan
- relational databases
- data management
- sparql queries
- query execution plan
- duplicate elimination
- database
- continuous queries
- efficient processing
- range queries
- query optimizer
- regular expressions
- query answers
- object oriented
- index structure
- semistructured data
- query interface
- r tree