![]() Middlewares, widely used in conventional distributed systems, are fundamental tools for the design and implementation of smart objects as well as of smart environment applications. In the last years, several middlewares for SOs were proposed. Their importance resides in the capabilities they have to make physical environments " smart " so as to provide novel cyberphysical services to people. These objects are typically referred as " smart objects ", which can be defined as real artifacts augmented with computing, communication, sens-ing/actuation and storing functionalities. ![]() IoT is a concept describing a vision in which everyday objects will be connected to the Internet, will be identified, and will, possibly, communicate with other devices. In the last few years, the Internet of Things (IoT) is gaining more and more attention both in the academic and in the industrial worlds. The taxonomy is based on a metadata model that is able to describe all the cyberphysical characteristics (geophysical, functional, and non-functional) of an SO. ![]() This paper aims at proposing a reference taxonomy for SOs that is highly functional for an SO discovery service, and, more generally, for an SO management system. ![]() In particular, the discovery service is a fundamental middleware component of the IoT as it allows SOs and their users to dynamically discover distributed SOs and, specifically, the services, operations, and data that they provide. Classification of SOs is an important activity directly influencing the definition of effective SO discovery services and management systems. An important issue in supporting future SO-based IoT systems is how to classify SOs. An SO is an autonomous, cyberphysical object augmented with sensing/actuation, processing, storing, and networking capabilities. ![]() The vision of the Internet of Things (IoT) based on Smart Objects (SOs) promotes an high-level architectural organization of the future IoT designed around the basic concept of SO. ![]()
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