On Equivalence and Rewriting of XPath Queries Using Views under DTD Constraints.
Pantelis AravogliadisVasilis VassalosPublished in: DEXA (2) (2011)
Keyphrases
- queries using views
- conjunctive queries
- xml documents
- query containment
- query evaluation
- xml data
- tree patterns
- integrity constraints
- xpath expressions
- query language
- data model
- regular expressions
- xml queries
- regular path queries
- aggregate queries
- xml schema
- query rewriting
- np complete
- keyword search
- datalog programs
- database
- building blocks
- relational databases
- metadata