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Document sanitization, i.e., the process of removing or generalizing sensitive information in order to reduce the security classification of the document, is widely used today in applications of information sharing. Traditional document sanitization systems focus on removal or generalization of certain words and phrases, but do not take into account the utility of the sanitized documents. This leads...
Data sharing is increasingly important in modern society, yet researchers typically focus on a single technology, such as Web services, or explore only one aspect, such as semantic integration. The authors propose a technology-neutral framework for characterizing data sharing problems and solutions and discuss open research challenges.
In this paper, we present a technique for fingerprinting relational data by extending Agrawal et al.'s watermarking scheme. The primary new capability provided by our scheme is that, under reasonable assumptions, it can embed and detect arbitrary bit-string marks in relations. This capability, which is not provided by prior techniques, permits our scheme to be used as a fingerprinting scheme. We then...
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