* IoT based developments for smart cities engineering
* Big data technologies for smart cities
* Modelling and analysis of smart city technologies and systems
* Mobile applications for smart cities
* Analytics for smart cities
* Cloud computing based approaches for smart city engineering
* Fog and edge computing based approaches for smart city engineering
* Cloudlet based approaches for smart city engineering
* Studies focussed on communication networks for smart cities
* Information management for smart cities
* Smart buildings, smart homes and smart energy grids
* Transportation, healthcare, and governance for smart cities
* Security and privacy of smart city systems