Keyphrases
- xml documents
- xml data
- regular expressions
- sibling axes
- decision making
- query evaluation
- decision makers
- xml schema
- computational complexity
- np complete
- xpath expressions
- relational data
- xpath queries
- xml trees
- structured data
- query language
- integrity constraints
- decision problems
- data model
- decision rules
- pattern matching
- relational databases
- decision process
- transitive closure
- davis putnam
- semi structured data
- satisfiability problem
- xml queries
- xml databases
- propositional logic
- first order logic
- data management