A cache management scheme to support offline environment in cloud system

In cloud computing environment, cloud clients may view media contents, such as document, music, and/or video, stored in the cloud server storage. To support access to the contents even in offline mode, a content cache scheme in client device is proposed in this paper. In the scheme, content in the cache has its own content properties, and the content is classified into some categories divided by the content properties. In eviction algorithm on content usage, priority of the classified contents is assigned by user preference. Meanwhile, the user preference data is updated according to the content usage history. From repetition of this process, it is possible to manage the content cache, reflecting clients' preference which is changeable over time.

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