A practical ontology query expansion algorithm for semantic-aware learning objects retrieval.
Ming-Che LeeKun Hua TsaiTzone I. WangPublished in: Comput. Educ. (2008)
Keyphrases
- query expansion
- learning objects
- relevance feedback
- information retrieval
- information retrieval systems
- ranked retrieval
- learning resources
- text retrieval
- biomedical information retrieval
- databases
- learning management systems
- retrieval model
- probabilistic model
- domain knowledge
- xml documents
- multimedia
- e learning
- learning algorithm
- machine learning