Guest Editorial: Smart Things, Big Data Technology and Ubiquitous Computing solutions for the future Internet of Things.

Many of the IoT systems and technologies are relatively novel. There are still many untapped applications areas, numerous technical challenges and issues that need to be improved and broadly explored. The aim of this special issue is to provide the latest and most innovative contributions concerning Internet of Things, Big data, and Ubiquitous Computing Technologies that interoperate with the objective of solving problems, provide functionality, or optimize tasks.