Keyphrases
- information retrieval
- image database
- social aspects
- knowledge sharing
- group dynamics
- collaborative learning
- collective intelligence
- retrieval systems
- social networks
- social media
- user generated tags
- online collaborative
- social learning
- information retrieval systems
- content based retrieval
- collaborative information seeking
- virtual communities
- test collection
- query expansion
- collaborative learning environments
- retrieval model
- sharing information
- sensemaking
- image retrieval
- message exchange
- collaborative authoring
- relevance feedback
- language model
- cscl environments
- social context
- efficient retrieval
- computer supported collaborative learning
- knowledge building
- text retrieval