Terminology

Backend Server

A backend for server-based CrowdNotifier. It replaces the Health Authority Backend in the server-based CrowdNotifier scheme.

Health Authority

The public health-authority that determines which visitors of which locations to notify. Usually, there is only one health authority.

Health Authority Backend

A backend server operated by the Health Authority.

Location

A semi-public location (for example, bar, restaurant, religious building, events venue, or meeting place) or an event which takes place in one or more locations (for example, an exhibition).

Location Owner

The owner or manager of a location. We assume each location has one owner. We call an owner that manages multiple locations an Organization.

Organization

A party that manages several locations. For example, a larger company that manages several meeting rooms.

Visitor

Somebody who visits a location. Sometimes called user. There can be many visitors.