The Role of Lexical Features in Question Answering for Spanish.
Manuel Alberto Pérez-CoutiñoManuel Montes-y-GómezAurelio López-LópezLuis Villaseñor PinedaPublished in: CLEF (2005)
Keyphrases
- question answering
- lexical features
- cross language
- qa clef
- natural language processing
- information retrieval
- information extraction
- question classification
- syntactic information
- named entities
- relation extraction
- question answering systems
- semantic roles
- natural language
- co occurrence
- error rate
- machine learning
- answer extraction