Clustering for obtaining syntactic classes of words from automatically extracted LTAG grammars.
Tadayoshi HaraYusuke MiyaoJun'ichi TsujiiPublished in: TAG+ (2002)
Keyphrases
- automatically extracted
- manually created
- grammar rules
- natural language
- context free grammars
- syntactic categories
- clustering method
- context free languages
- k means
- clustering algorithm
- context free
- closure properties
- syntactic pattern recognition
- visually similar
- maximum entropy model
- keywords
- data points
- natural language processing
- phrase structure
- syntactic analysis
- syntactic structures
- linguistic knowledge
- text representation
- parse tree
- grammatical inference
- syntactic features
- word alignment
- n gram
- domain specific
- syntactic information
- semantic role labeling