Research Interests

My research interests are in the areas of wireless networking and mobile computing with focuses on crowdsourcing, fog networking and computing, mobile social networks, and mobile privacy. My research interests also include network economics, sensor networks, cognitive radio networks, and relay networks.

Research Directions

Quality-Aware Data Crowdsourcing

Data crowdsourcing has found a wide range of applications, including physical sensing tasks such as spectrum sensing, and human intelligence tasks such as image labeling. A key metric of crowdsourcing is the data accuracy, which relies on the quality of the participating users’ data. The quality of data generally varies for different users. To fully exploit the potential of crowdsourcing, this research explores quality-aware crowdsourcing that allocates tasks to users and aggregates users’ data based on users’ data quality, while addressing the challenges of unknown data quality.

  1. Incentivizing quality-based data crowdsourcing
    X. Gong
    IJCAI-ECAI Workshop on Game-Theoretic Mechanisms for Data and Information, Stockholm, Sweden, July 14, 2018.

  2. Incentivizing truthful data quality in quality-aware mobile data crowdsourcing
    X. Gong, N. B. Shroff
    ACM MobiHoc’18, Los Angeles, CA, USA, June 25- June 28, 2018.

  3. Truthful mobile crowdsensing for strategic users with private qualities
    X. Gong, N. B. Shroff
    WiOpt’17, Paris, France, May 15-19, 2017.

Socially-Aware Mobile Networking and Computing

Social relationships play an increasingly important role in people's interactions with each other. As mobile devices are carried and operated by human beings, it is natural to explore social aspects of human networks as a new dimension for mobile networking and computing. In this research, we explore how mobile users’ social relationships impact their interactions for mobile networking and computing, and how to leverage this impact to improve the performance of mobile networks.

  1. When network effect meets congestion effect: Leveraging social services for wireless service
    Xiaowen Gong, L. Duan, and X. Chen
    ACM MobiHoc’15, Hangzhou, China, June 22- June 25, 2015.

  2. Personalized location privacy in mobile networks: A social group utility approach
    X. Gong, X. Chen, K. Xing, D. Shin, M. Zhang, and J. Zhang
    IEEE INFOCOM’15, Hong Kong, China, Apr.26- May 1, 2015.

  3. From social trust assisted reciprocity (STAR) to utility-optimal mobile crowdsensing
    X. Gong, X. Chen, J. Zhang, H. V. Poor
    IEEE GlobalSIP’14, Atlanta, GA, USA, Dec. 3-5, 2014.

  4. A social group utility maximization framework with applications in database assisted spectrum access
    X. Chen, X. Gong, L. Yang, J. Zhang
    IEEE INFOCOM’14, Toronto, Canada, Apr.27- May 2, 2014.
    (Runner-up Best Paper Award)

  5. Social group utility maximization in mobile networks: From altruistic to malicious behavior
    X. Gong, X. Chen, J. Zhang
    IEEE CISS’14, Princeton, NJ, USA, Mar. 19-21, 2014.
    (A technical error in the published version is fixed here)

  6. Social group utility maximization game with applications in mobile social networks
    X. Gong, X. Chen, J. Zhang
    Allerton’13, Monticello, IL, USA, Oct. 2-4, 2013.

  7. Social trust and social reciprocity based cooperative D2D communications
    X. Chen, B. Proulx, X. Gong, J. Zhang
    ACM MobiHoc’13, Bangalore, India, July 29- Aug. 1, 2013.

Research Group

PhD Student

Xiangyu Zhang (Fall 2017–)

Yuxi Zhao (Fall 2018–)