Abstract
Sensor networks enable large scale and fine resolution monitoring via interconnected sensor devices that range from home appliances and mobile phones to dedicated sensing platforms. While new wireless technologies are emerging, the challenge is in the interpretation and utilization of heterogeneous data received through varying types of interfaces. This paper presents a unified service access architecture, interfaces, and message formats for Wireless Sensor Networks (WSNs) collectively referred to as WSN OpenAPI. It supports sensor data collection, actuator control, real-time alerts based on sensor values, and querying measurement and alert history. Compared to the related work, WSN OpenAPI allows efficient machine-to-machine (M2M) communications with low complexity message formats and avoiding extensive queries with publish/subscribe paradigm.
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