Overview of CLEF QA Entrance Exams Task 2015.
Álvaro RodrigoAnselmo PeñasYusuke MiyaoEduard H. HovyNoriko KandoPublished in: CLEF (Working Notes) (2015)
Keyphrases
- question answering
- qa clef
- passage retrieval
- information retrieval
- qa systems
- natural language processing
- question classification
- cross language
- natural language
- named entities
- open domain
- information extraction
- open domain question answering
- speech transcripts
- syntactic information
- query expansion
- answer extraction
- european languages
- test collection
- semantic roles
- multiple choice
- database systems
- relation extraction
- machine learning
- answer validation