chapter  12
22 Pages

◾ Pearly User Interfaces for Cloud Computing

WithFirst Experience in Health-Care IT

A possible explanation of this failure (Pham 2010) may be that the current desktop metaphor “heavily re ects” the local nature of resources, “grounded rmly in hierarchy and physical locations” and “evolved very little to support sharing and access control.” As a consequence, the “social desktop” was proposed based on the concept of user-created groups. is concept extends the folder metaphor to encompass les, people, and applications. Compared to the usual folder metaphor, a unique instance of an object may be included in dierent groups, thus providing a lightweight means to allow sharing and access: As a group is associated with users, access is implicitly granted to the members of the group, allowing le sharing.