Keyphrases
- question answering
- information sharing
- collaborative learning
- knowledge building
- collaborative problem solving
- geographically dispersed
- knowledge sharing
- question classification
- learning community
- open domain
- collaborative environment
- real time
- question answer
- knowledge management
- answer extraction
- passage retrieval
- qa clef
- single user
- crisis management
- socio technical
- collective intelligence
- decision making
- information retrieval