Keyphrases
- discussion board
- online discussion forums
- topic models
- multimedia
- active participation
- student participation
- decision making
- multimedia data
- news media
- video sequences
- image retrieval
- data sets
- online learning communities
- group discussion
- online discussion
- qa clef
- discourse analysis
- digital media
- literature review
- case study
- information systems
- information retrieval
- neural network