Containment between Unions of XPath Queries.
Rui ZhouChengfei LiuJunhu WangJianxin LiPublished in: DASFAA (2009)
Keyphrases
- xpath queries
- tree patterns
- xml queries
- query evaluation
- xml data
- xml databases
- xml documents
- conjunctive queries
- query rewriting
- query optimization
- xml streams
- data model
- query processing
- pattern languages
- query containment
- data management
- structural features
- relational databases
- deductive databases
- xpath expressions
- transitive closure
- information retrieval
- incomplete information
- structured data
- management system