Using stranger as sensors: temporal and geo-sensitive question answering via social media.
Yefeng LiuTodorka AlexandrovaTatsuo NakajimaPublished in: WWW (2013)
Keyphrases
- question answering
- social media
- information extraction
- information retrieval
- qa clef
- question classification
- syntactic information
- passage retrieval
- natural language
- natural language processing
- natural language questions
- question answering systems
- relation extraction
- qa systems
- text summarization
- open domain question answering
- question answer pairs
- sentence retrieval
- semantic roles