The ability to Choose from a multitude of related entities by domain space. For example:
- In the last mile space routes will consist of drivers and specific packages
- In middle mile and long haul, specific packages are not nearly as important as capacity utilization
- In sortation, knowing when you had a bad sort or unsortable is what counts as well as who did it. In this model, a route is tangential
- To support this, the service must provide a catalog of data schemas representing each of the domain spaces. eg.