Union rewritings for XPath fragments.
Foto N. AfratiMatthew DamigosManolis GergatsoulisPublished in: IDEAS (2011)
Keyphrases
- xpath queries
- query rewriting
- querying xml data
- conjunctive queries
- query evaluation
- xml fragments
- xml data
- xml documents
- regular path queries
- queries using views
- regular expressions
- transitive closure
- xml queries
- materialized views
- answering queries using views
- query language
- xml databases
- view definitions
- query optimization
- xml streams
- query processing
- query answering
- keywords
- data exchange
- data complexity
- xpath expressions
- data management
- data mining
- data model
- data warehouse
- keyword search
- semistructured data
- functional dependencies
- deductive databases