Keyphrases
- natural language
- machine translation
- parse tree
- syntactic semantic
- semantic representation
- natural language processing
- highly ambiguous
- semantic analysis
- information extraction
- domain specific
- natural language text
- dependency parser
- lexical units
- semantic roles
- english language
- linguistic knowledge
- semantic role labeling
- machine learning
- cross language
- co occurrence
- answer questions
- syntactic information
- syntactic structures
- broad coverage
- hidden markov models