Combining Wikipedia and Newswire Texts for Question Answering in Spanish.
César de Pablo-SánchezJosé Luis Martínez-FernándezAna González-LedesmaDoaa SamyPaloma MartínezAntonio Moreno-SandovalHarith T. Al-JumailyPublished in: CLEF (2007)
Keyphrases
- question answering
- named entities
- natural language
- natural language text
- named entity recognition
- information extraction
- relation extraction
- qa clef
- natural language processing
- question classification
- information retrieval
- question answering systems
- text documents
- sentence retrieval
- cross language
- wordnet
- natural language questions
- syntactic information
- passage retrieval
- open domain question answering
- knowledge base
- semantic relations
- linguistic features
- semantic roles
- semantic information
- topic models
- qa systems
- test set
- document collections
- co occurrence
- answer validation
- search engine