Hannah K. Lee

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Inter-domain collaborations comprise of a series of tasks, whose run-time environment stretches over heterogeneous systems governed by different set of policies and where participating organizations desire to preserve control over their resources. One of the major security challenges in modeling those inter-domain collaborations is providing a decentralized(More)
—Current authorization solutions take highly case-by-case approaches. First of all, the solutions address particular types of multi-domain collaborations such as Virtual Organization or resource-sharing collaborations. Secondly, they tend to be based on specific technology their subject interactions adopt. We consider this phenomena of having a number of(More)
Evidence is accumulating about the difficulties that users have in managing their work using contemporary graphical user interfaces. Current designs offer a hierarchy of folders containing documents and taskbar operations to launch/exit applications. We propose a Personal Role Management strategy that emphasizes management of the multiple roles users have(More)
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