My name is Kevin Chai and I am a computer systems engineering PhD candidate 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 user contribution measurement and content quality assessment 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
• Incentive mechanisms
• User contribution measurement
• Content quality assessment
• Recommender systems
• Opinion mining
• Spam detection and prevention
• Web data mining
• Artificial intelligence