Hierarchical Expected Answer Type Classification for Question Answering.
Aleksandr PerevalovAndreas BothPublished in: ISWC (Posters/Demos/Industry) (2021)
Keyphrases
- question answering
- question classification
- natural language questions
- question answering systems
- answer validation
- answering questions
- candidate answers
- qa systems
- answer extraction
- natural language
- information extraction
- natural language processing
- information retrieval
- qa clef
- open domain question answering
- sentence retrieval
- syntactic information
- feature weighting
- named entities
- support vector machine
- tree kernels
- relation extraction
- cross language
- image classification
- textual entailment recognition
- machine learning approaches
- feature selection
- machine learning