Information Retrieval in Virtual Universities.
Juha PuustjärviPäivi PöyryPublished in: Int. J. Distance Educ. Technol. (2006)
Keyphrases
- retrieval systems
- information retrieval
- information retrieval systems
- test collection
- retrieval model
- text retrieval
- search engine
- learning to rank
- virtual environment
- e learning
- library and information science
- augmented reality
- text mining
- virtual reality
- virtual world
- retrieval effectiveness
- language modeling
- higher education
- document retrieval
- language model
- distance learning
- relevant documents
- database
- natural language processing
- information extraction
- information access
- information filtering
- structured documents
- neural network