Querying Heterogeneous and Distributed Learning Object Repositories via Ontology-Based Mediation.
Philipp KärgerErica MelisCarsten UllrichPublished in: ICALT (2006)
Keyphrases
- learning object repositories
- heterogeneous data sources
- distributed systems
- loosely coupled
- heterogeneous data
- semantically heterogeneous
- learning objects
- distributed environment
- heterogeneous environments
- query language
- peer to peer
- cooperative
- databases
- database
- data sources
- service discovery
- metadata records
- learning management systems
- online learning
- information technology
- digital libraries