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Personally Identifiable Information (PII) is commonly used in both the physical and cyber worlds to perform personal authentication. A 2014 Department of Justice report estimated that roughly 7% of American households reported some type of identity theft in the previous year, involving the theft and fraudulent use of such PII. Establishing a comprehensive map of PII attributes and their relationships...
Online social networks often rely on reputation values to signal trustworthiness of a participant in the network. Reputation models have traditionally focused on scenarios where raters provide an absolute value rating to those they interact with. This paper investigates an alternate scenario, where a rater provides relative preference information among multiple alternatives, indicating which participant...
This paper considers the problem of recommending experts for a question. The problem of expert finding has been investigated in the past, within the context of information retrieval, where the focus has been on measuring expert authority. However, we treat the problem as a recommendation problem in the context of social search, that is, expert recommendations are personalized for a questioner based...
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