Keyphrases
- xml documents
- markup language
- xml data
- computer games
- metadata
- xml queries
- xml format
- databases
- serious games
- educational games
- video games
- game theory
- query rewriting
- data integration
- object oriented
- conjunctive queries
- game playing
- nash equilibria
- perfect information
- keyword search
- object oriented databases
- relational data
- relational databases
- xml databases
- game design
- game theoretic
- data exchange
- xpath queries
- game tree
- learning experience
- data model
- update operations
- search engine