Since few time I am coding an extension to the open-source e-porfolio software Mahara. Therefore I have searched for a video explaining what an e-porfolio stands for and how it can be used:
Here is a video that explains it:
Few time ago Mahara UK 09, the very first conference covering the e-portfolio system Mahara, took place in the United Kingdom. It was organised by the University of London Computer Centre (ULCC) and the University of London Institute of Education (IOE).
The Event Report can be found here and some of the keynote slides can be found below: