ACS: Specifying "Smart" Applications Using Sense-Process-Consume Flows

Smart applications enable pervasive and informed interactions between the physical and digital worlds. These applications are deployed on resource constrained wireless sensor networks and are commonly implemented using software modularization schemes such as components and services. Composing smart applications at the abstraction level offered by embedded software modularization schemes is complex and time consuming. The complexity of composing them is derived from the need to understand many low-level issues, e.g. embedded programming languages, coordination mechanisms, software tool chains. We present an application composition service that reduces composition effort by offering a declarative specification of sense, process and consume flows. We demonstrate reduction in composition effort for three real-world smart applications deployed on a smart office environment.