Keyphrases
- conceptual model
- e learning
- high level
- conceptual models
- data model
- object oriented
- entity relationship
- conceptual data model
- knowledge base
- query language
- information systems
- domain ontology
- mobile learning
- data warehouse
- distance learning
- database
- technology adoption
- conceptual database design
- perceived usefulness
- learning experience
- web based learning
- factors affecting
- e government
- metadata
- data mining
- databases