RACAI's Question Answering System at QA@CLEF 2007.
Dan TufisDan StefanescuRadu IonAlexandru CeausuPublished in: CLEF (Working Notes) (2007)
Keyphrases
- qa clef
- answer validation
- question answering
- answer extraction
- information retrieval
- cross language
- cross lingual
- syntactic information
- natural language
- natural language processing
- information extraction
- semantic roles
- artificial intelligence
- machine learning
- knowledge base
- named entities
- source language
- open domain
- feature selection