Context Representation of Intelligent Gadgets for Event-driven Services

We propose a context representation language, called the intelligent gadget markup language (IGML). It is based on the event-condition-action (ECA) rule, and used to describe contexts for intelligent gadgets. IGML provides service developers with a way of specifying events that an intelligent gadget deals with, conditions to be validated, and actions that are carried out depending on the conditions. With the inherent nature of extensibility, physiological information can be easily specified as a context in IGML. This allows intelligent gadgets to be adopted to various kinds of healthcare services.