My name is Kevin Chai and I am a PhD student enrolled at Curtin University of Technology within the Digital Ecosystems and Business Intelligence (DEBI) Institute in Perth, Australia. My PhD research is primarily focused on developing a content quality assessment and user contribution measurement framework for social media and is supervised by Dr. Vidyasagar Potdar and co-supervised by Dr. Chen Wu.

My main research interests include:

• Social media
• Contribution / performance measurement
• Content quality assessment
• Opinion mining
• Spam detection and prevention
• Incentive mechanisms
• Recommender systems
• Artificial Intelligence
• Web Data Mining
• Natural language processing (information retrieval / text mining)