Toward Context-Awareness: A Workflow Embedded Middleware

Context-aware computing is widely researched in recent years, but we lack for a powerful context-aware middleware which supports a uniform programming model. So developing context-aware applications is still complex and time-consuming. We introduce a workflow embedded middleware called FollowMe. It supports pluggable context-aware applications. FollowMe includes a workflow engine and sustains applications described with pvPDL, which is a workflow definition language proposed specially for context-awareness. The employment of workflow makes the development of applications simplified and the maintenance much easier. We testify the improvement by realizing an example and the related evaluation.