Querying parse trees of stochastic context-free grammars.
Sara CohenBenny KimelfeldPublished in: ICDT (2010)
Keyphrases
- stochastic context free grammars
- parse tree
- semantic analysis
- dependency parsing
- relation extraction
- structured data
- databases
- semantic representation
- natural language text
- part of speech
- bayesian networks
- hidden markov models
- representation language
- query processing
- information extraction
- complex events
- conceptual graphs
- automatic extraction
- artificial intelligence
- natural language
- production rules
- knowledge based systems
- domain specific
- expert systems