The Integration of Lexical Knowledge and External Resources for Question Answering.
Hui YangTat-Seng ChuaPublished in: TREC (2002)
Keyphrases
- question answering
- lexical knowledge
- natural language processing
- linguistic knowledge
- enormous amounts
- natural language
- information retrieval
- information extraction
- wordnet
- named entities
- relation extraction
- cross language
- artificial intelligence
- semantic roles
- semantic knowledge
- natural language understanding
- machine learning
- knowledge representation
- word sense disambiguation
- expert systems