1. Universiti Malaya,Faculty of Computer Science and Information Technology,Department of Software Engineering,Kuala Lumpur,Malaysia,50603
2. Universiti Malaya,Faculty of Computer Science and Information Technology,Department of Computer System and Technology,Kuala Lumpur,Malaysia,50603
3. Universiti Malaya,Faculty of Computer Science and Information Technology,Department of Artificial Intelligence,Kuala Lumpur,Malaysia,50603
4. Universiti Putra Malaysia,Faculty of Engineering,Department of Computer and Communication,Selangor,Malaysia,43400