Parsing Tree Matching Based Question Answering.
Ping ChenTimothy SimmonsCarlos LacayoWei DingPublished in: TAC (2008)
Keyphrases
- question answering
- tree matching
- pattern matching
- natural language
- natural language processing
- graph matching
- information retrieval
- information extraction
- xml queries
- named entities
- cross language
- databases
- machine learning
- database
- text mining
- pattern recognition
- artificial intelligence
- semantic roles
- information retrieval systems
- data model