Social-K: Real-Time K-Anonymity Guarantees for Social Network Applications

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Provided by: University of Colombo School of Computing
Topic: Security
Format: PDF
Traditional approaches to K-anonymity provide privacy guarantees over publicly released data sets with specified quasi-identifiers. However, the most common public releases of personal data are now done through social networks and their APIs, which do not fit the previous research-centric data set release model, nor do they allow for clear assumptions about quasi-identifiers. This paper proposes a new definition of K-anonymity that suggests a practical way in which social networks could provide privacy guarantees to users of their API. To support as wide a range of applications as possible, the proposed privacy guarantee assumes all social-networking data may be a quasi-identifier and does not assume that data may be generalized and still be useful.
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