A Comparative Evaluation of QA Systems over List Questions.
Patrícia Nunes GonçalvesAntónio Horta BrancoPublished in: PROPOR (2016)
Keyphrases
- comparative evaluation
- qa systems
- question answering
- correct answers
- evaluation methodology
- answer validation
- passage retrieval
- natural language
- answer extraction
- candidate answers
- question answering systems
- information retrieval
- information extraction
- natural language processing
- qa clef
- syntactic information
- semantic role labeling
- named entities
- ranked list
- semantic roles
- test collection