E-portfolio systems which should work efficiently in the long term need to cover the complete content life cycle In many cases, the phase of deleting content is considered either too late or too little.
An environment with guarantee of existence offers new perspectives for intelligent deleting methods. Unused information can easier be identified and deleted, linked information be held available. For instance, owners of e-portfolios can retrieve all information objects with expired guarantee of existence. A ranking which illustrates the degree of interconnection and thus the relevance (see above), allows users to delete unimportant content systematically. Based on this principle, automatic deleting mechanisms could be developed in the future.
You can find a printable version here:
 GOE for online information as a precondition for hyperlinked e-portfolios (PDF, 361 kB)
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