• Publications
  • Influence
Man vs. Machine: Practical Adversarial Detection of Malicious Crowdsourcing Workers
Recent work in security and systems has embraced the use of machine learning (ML) techniques for identifying misbehavior, e.g. email spam and fake (Sybil) users in social networks. However, ML modelsExpand
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  • 11
  • Open Access
Understanding user behavior in online social networks: a survey
Currently, online social networks such as Facebook, Twitter, Google+, LinkedIn, and Foursquare have become extremely popular all over the world and play a significant role in people¿s daily lives.Expand
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  • 10
  • Open Access
Whispers in the dark: analysis of an anonymous social network
Social interactions and interpersonal communication has undergone significant changes in recent years. Increasing awareness of privacy issues and events such as the Snowden disclosures have led toExpand
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  • 5
  • Open Access
Understanding Graph Sampling Algorithms for Social Network Analysis
Being able to keep the graph scale small while capturing the properties of the original social graph, graph sampling provides an efficient, yet inexpensive solution for social network analysis. TheExpand
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  • 4
  • Open Access
Crowds on Wall Street: Extracting Value from Collaborative Investing Platforms
In crowdsourced systems, it is often difficult to separate the highly capable "experts" from the average worker. In this paper, we study the problem of evaluating and identifying experts in theExpand
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  • Open Access
Bearing life prediction based on vibration signals: A case study and lessons learned
  • Tianyi Wang
  • Engineering
  • IEEE Conference on Prognostics and Health…
  • 18 June 2012
This paper presents the Professional-category winning algorithm of bearing Remaining Useful Life (RUL) prediction for the 2012 IEEE PHM challenge problem. The algorithm consists of extraction ofExpand
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Is an Army of Robots Marching on Chinese Jobs?
A handful of studies have investigated the effects of robots on workers in advanced economies. According to a recent report from the World Bank (2016), 1.8 billion jobs in developing countries areExpand
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  • 3
  • Open Access
Capsule Robot for Obesity Treatment With Wireless Powering and Communication
An intragastric balloon robot is a less invasive and effective method for morbid obesity treatment. Traditional balloon robots need insertion tools and endoscopes for placement and removal ofExpand
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Multi-core fixed-priority scheduling of real-time tasks with statistical deadline guarantee
The rising performance variance of IC chips and increased resource sharing in multi-core platforms have significantly degraded the predictability of real-time systems. The traditional deterministicExpand
  • 14
  • 2
  • Open Access
Harmonicity-Aware Task Partitioning for Fixed Priority Scheduling of Probabilistic Real-Time Tasks on Multi-Core Platforms
The uncertainty due to performance variations of IC chips and resource sharing on multi-core platforms have significantly degraded the predictability of real-time systems. Traditional deterministicExpand
  • 6
  • 2
  • Open Access