Keyphrases
- user interface
- xml documents
- user interaction
- markup language
- error prone
- metadata
- user model
- databases
- user profiles
- context dependent
- user experience
- user preferences
- data model
- database systems
- neural network
- user input
- labor intensive
- query formulation
- user requirements
- object oriented databases
- xml schema
- data types
- semi automatic
- collaborative filtering