Paraphrase Extraction from Validated Question Answering Corpora in Spanish.
Jesús HerreraAnselmo PeñasFelisa VerdejoPublished in: Proces. del Leng. Natural (2007)
Keyphrases
- question answering
- natural language processing
- information extraction
- information retrieval
- qa clef
- question classification
- natural language
- named entities
- cross language
- relation extraction
- passage retrieval
- question answering systems
- syntactic information
- machine learning
- sentence retrieval
- named entity recognition
- answer extraction
- open domain question answering
- automatic extraction
- artificial intelligence
- text summarization
- structured data
- natural language questions