Keyphrases
- semantic analysis
- natural language
- parse tree
- syntactic analysis
- syntactic parsing
- natural language sentences
- natural language understanding
- natural language processing
- semantic parser
- upper bound
- semantic information
- lower bound
- worst case
- semantic role labeling
- semantic representation
- information extraction
- machine translation
- semantic representations
- natural language text
- databases
- knowledge representation
- tree kernels
- expert systems
- keywords
- training data
- anaphora resolution
- decision trees
- machine learning