At the heart of this is the employee competencies record system. This employee competencies record systems is usually updated by various systems that impart, monitor or alter the competency of a person. For example, the learning system can tell the competency system that the worker has acquired a new competency. The learning system can also tell the competency system that a current competency has expired. ( Like a drivers license expiring for example).
The typical landscape of the above scenario could look like this.