Educational Question Answering based on Social Media Content.
Iryna GurevychDelphine BernhardKateryna IgnatovaCigdem ToprakPublished in: AIED (2009)
Keyphrases
- question answering
- social media content
- security informatics
- social media
- sentiment analysis
- information retrieval
- information extraction
- question classification
- natural language processing
- passage retrieval
- user generated content
- natural language
- multimedia
- qa clef
- question answering systems
- cross language
- natural language questions
- document retrieval
- named entities
- sentence retrieval
- open domain question answering
- syntactic information
- semantic roles
- text summarization
- data analysis
- artificial intelligence
- sentence level
- answering questions
- answer validation
- machine learning
- data mining