Keyphrases
- logic programming
- xml processing
- logic programs
- xml documents
- nonmonotonic reasoning
- xml queries
- answer set programming
- xml databases
- knowledge representation
- xml data
- deductive databases
- programming language
- default logic
- computational logic
- logic programming language
- data management
- stable models
- answer sets
- knowledge base
- constraint logic programming
- semantic information
- relational database systems
- relational data
- databases
- structured data
- query processing
- expert systems
- database systems
- data mining