Systematic Comparison of Question Target Classification Taxonomies Towards Question Answering.
Tianyong HaoWenxiu XieChun ChenYuming ShenPublished in: SMP (2015)
Keyphrases
- question answering
- question classification
- question answering systems
- natural language questions
- qa clef
- qa systems
- answer extraction
- answer validation
- open domain question answering
- information retrieval
- answering questions
- candidate answers
- natural language
- cross language
- feature weighting
- passage retrieval
- natural language processing
- relation extraction
- tree kernels
- image classification
- information extraction
- sentence retrieval
- named entities
- question answer pairs
- syntactic information
- feature space
- training set
- document classification
- feature selection
- text classification
- machine learning