Keyphrases
- xml documents
- markup language
- xml data
- metadata
- data replication
- xml format
- update operations
- distributed databases
- xml schema
- fault tolerant
- relational data
- labeling scheme
- data model
- databases
- data integration
- keyword search
- topic maps
- xml queries
- relational databases
- fault tolerance
- web caching
- semi structured data
- semistructured data
- object oriented databases
- object oriented
- data mining