I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, these ...

This article will provide a framework for producing immersive 360-degree videos for pediatric and adult patients in hospitals. This information may be useful to hospitals across the globe who may wish ...

Starting a new online community with a limited number of members who have not self-selected for participation in the community is challenging. The space must appear active to lure visitors to return; ...

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This tutorial describes the administration of level 3 advanced authorization rules into Authzforce, either directly, or with the help of the Keyrock GUI. The simple verb-resource based permissions are ...