Alcance
This document describes:• key features of the socialized IoT systems, e.g. sensing the external physical world, resolving the uncertainties of targets, satisfying users' demand and providing quality service, etc.;• socialized attributes, i.e. socialized network, socialized collaboration, and socialized services, which are derived from the key features; and• guidelines on how to use or apply the socialized attributes in the design and development of IoT systems.