Keyphrases
- social support
- social structures
- computer mediated
- virtual communities
- older adults
- questionnaire survey
- instant messaging
- social capital
- online social
- job satisfaction
- online learning
- social networks
- user interface
- quantitative and qualitative
- end users
- user groups
- online communities
- user preferences
- recommender systems
- e learning
- social networking sites
- e government