Combining achievements and artefacts submitted through the course of study that student has the ability to organise and reorganise the contents to create different views tailored to specific audiences or generate further discussion and future study. Combining these and the reflection/discussion provides a rich tapestry of the learners' experiences and skills.

That's what is needed for Phd students

The eportfolio places the student at the centre of the development process enabling control over their learning.

This links with student lead learning or independent learning.
Using the students as a resource which is a point made in the Supervisors Day