Complex Question Answering: Unsupervised Learning Approaches and Experiments.
Yllias ChaliShafiq R. JotySadid A. HasanPublished in: J. Artif. Intell. Res. (2009)
Keyphrases
- question answering
- unsupervised learning
- question answering systems
- question classification
- information extraction
- information retrieval
- natural language
- natural language processing
- supervised learning
- named entities
- passage retrieval
- open domain question answering
- natural language questions
- qa clef
- cross language
- syntactic information
- answer validation
- object recognition
- search engine
- learning algorithm
- machine learning
- data mining