The 4th International Workshop on Mobile Data Management, Mining, and Computing on Social Networks (MobiSocial) will serve as a forum for researchers and technologists to discuss the state-of-the-art, present their contributions, and set future directions in data management and mining for mobile social networks.

The topics of interest related to this workshop include, but are not limited to:
- Deep learning for mobile social networks
- Mobile healthcare
- Blockchain for social networks
- Graph mining
- Mobile Sensing
- Contextual mobile social network analysis
- Storing, indexing and querying of graph data
- Distributed graph processing
- Mobile social interaction and personalization search
- Dynamics and evolution patterns of social networks, trend prediction
- Analysis and mining of location-based social networks
- Classification models and their applications in social recommender systems
- Processing of social media stream
- Influence models and their application in social environment
- Competitive viral marketing
- Privacy and security in social network
- Modeling trust and reputation in mobile social networks
- Moving object tracking, indexing and retrieval for social applications
- Location and trajectory mining of social data
- Opinion mining for location related information
- Location privacy, data sharing and security
- Mobile and ubiquitous computing for location-based social networks
- Cloud computing for location-based social data
- Innovative mobile social networking applications
- Multidisciplinary and interdisciplinary research on mobile social networks