Question Answering Using Maximum-Entropy Components.
Abraham IttycheriahMartin FranzWei-Jing ZhuAdwait RatnaparkhiPublished in: NAACL (2001)
Keyphrases
- question answering
- maximum entropy
- maximum entropy principle
- information extraction
- information retrieval
- natural language
- named entity recognition
- named entities
- question classification
- qa clef
- passage retrieval
- natural language questions
- conditional random fields
- question answering systems
- cross language
- relation extraction
- syntactic information
- answer extraction
- answer validation
- qa systems
- natural language processing
- higher order
- hidden markov models