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Cloud computing (CC) has gained much popularity. Large amounts of data, many of them personal, are consumed by CC services. Yet, data security and, derived from that, privacy are topics that are not satisfyingly covered. Especially usage control and data leakage prevention are open problems. We propose the development of a trusted Platform as a Service CC(More)
Current Symmetric Searchable Encryption schemes do not fulfill the expectations of users that are used to web search engines. Although users are now able to search for multiple keywords, Boolean retrieval returns all results to a client regardless of how relevant the results are for the user. For searches in large data sets when also result sets are(More)
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