Brief

This system lets the users to track their position with GPS and/or NFC, automatically set up an alarm timer on a period appropriate for the current hazardous location and trigger a sequence of actions when the timer expires or the position remains unchanged.

Architecture

The system consists of a mobile application running on mobile phones communicating to the server via HTTP protocol. To achieve high reliability two servers are executing the same tasks and a worker’s state is monitored on both servers and on the mobile phone.

Brief

This application

• Is a mission critical software system for municipalities and elderly care organizations,
• Developed as a per-subscriber product,
• Provides field forces with mobile applications,
• Solves life and safety critical tasks, and
• Provides a customizable object model, customizable workflow and customizable security policy to suit special needs of a particular subscriber.

Architecture

Multi-tier application that includes

• Relational DBMS,
• Backend and persistence tiers,
• Application tier,
• Client (browser or mobile application).