Keyphrases
- background knowledge
- wordnet
- semantic information
- semantic relatedness
- knowledge base
- inductive logic programming
- co occurrence
- word sense disambiguation
- natural language processing
- domain knowledge
- semantic relations
- external knowledge
- representation language
- semantic distance
- semantic features
- semantic network
- semantic similarity
- keywords
- concept hierarchy
- text documents
- text clustering
- prior knowledge
- semi automatically
- logic programs
- knowledge representation
- semantic relationships
- domain ontology
- training data
- word sense
- hand crafted
- lexical database
- ontology learning
- expert systems
- active learning
- document representation
- data mining