Keyphrases
- semantic relations
- co occurrence
- semantic relationships
- wordnet
- ontology learning
- natural language processing
- relation extraction
- domain specific
- semantic network
- information retrieval systems
- semantic structure
- knowledge sources
- web pages
- word pairs
- document collections
- named entities
- lexical chains
- semantic information
- semantically similar
- semantic similarity
- databases
- knowledge discovery
- data model
- expert systems
- training data
- data mining