Medicare overbilling refers to the phenomenon that providers report more and/or higher-intensity service codes than actually delivered to receive higher Medicare reimbursement. We propose a novel and easy-to-implement approach to detect potential overbilling based on the hours worked implied by...

There are usually limited user evaluation of resources on a recommender system, which caused an extremely sparse user rating matrix, and this greatly reduce the accuracy of personalized recommendation, especially for new users or new items. This paper presents a recommendation method based on...

The expert contributors shed critical light on how significant developments are impacting on the global system. In particular, they consider emerging forms of global governance, and how the Asia-Pacific as a region, individual countries such as China, Japan, South Korea and the US, and regional...