| 4.6. Efficent deletion methods |
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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.
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