Knowledge representation and retrieval using conceptual graphs and free text document self-organisation techniques.
Stephen ChuBranko CesnikPublished in: Int. J. Medical Informatics (2001)
Keyphrases
- conceptual graphs
- text documents
- knowledge representation
- knowledge structures
- retrieval engine
- formal representation
- natural language
- text mining
- information extraction
- conceptual structures
- information retrieval
- natural language processing
- document clustering
- retrieval systems
- image retrieval
- partial order
- knowledge acquisition
- wordnet
- text classification
- text categorization
- knowledge based systems
- knowledge base
- topic models
- domain ontology
- named entities
- information retrieval systems
- relevance feedback
- keywords
- artificial intelligence
- machine learning
- question answering
- test collection
- bag of words
- data mining
- retrieval model
- probabilistic model
- expert systems