Keyphrases
- phrase structure
- tree bank
- natural language
- context free grammars
- dependency relations
- context free
- linguistic knowledge
- chinese named entity recognition
- tree grammars
- wide coverage
- grammatical inference
- production rules
- parse tree
- neural network
- tree structures
- broad coverage
- context sensitive
- dependency tree
- co occurrence
- controlled natural language
- learning algorithm
- genetic algorithm
- data mining