Keyphrases
- semantic relations
- wordnet
- relation extraction
- co occurrence
- oil spill
- semantic structure
- ontology learning
- natural language processing
- semantic network
- semantic relationships
- knowledge sources
- web pages
- measuring semantic similarity
- probabilistic model
- multiscale
- dependency relations
- knowledge based systems
- domain knowledge
- word pairs
- feature selection
- artificial intelligence
- data mining
- databases