Keyphrases
- domain ontology
- text mining
- information extraction
- text documents
- machine learning
- natural language processing
- information retrieval
- knowledge discovery
- data mining
- text corpora
- text classification
- domain specific information
- data analysis
- biomedical literature
- conceptual model
- web mining
- semantic annotation
- semantic interoperability
- topic models
- learning path
- semantic knowledge
- semantic relationships
- document clustering
- domain knowledge
- concept hierarchy
- text clustering
- concept maps
- expert systems
- semantic mapping
- semi automatic