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- W1824832030 abstract "While the common kinds of uncertainties in databases (e.g., null values, disjunction, corrupt/missing data, domain mismatch, etc.) have been extensively studied, a relatively unexplored form of uncertainty in databases, called inaccurate data, demands due attention. Inaccurate data results when data are contributed by various information agents with some known reliability. Though the data itself is total or complete, the reliability of the data now depends on the agent’s reliability. Several issues of this form of data reliability have been reported recently where the reliability of agents were assumed to be known and static. In this paper we address the issue of reliability maintenance of information agents and take the view that the agent reliability is dynamic and is a function of the database knowledge and the agent evidences (facts that are observed to be true or false). We propose a method of quantifying the level of trust (or the agent reliability) that the database system should rest on the agent based on observation, and statistical estimation." @default.
- W1824832030 created "2016-06-24" @default.
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- W1824832030 date "1994-01-01" @default.
- W1824832030 modified "2023-09-25" @default.
- W1824832030 title "Trusting an Information Agent" @default.
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- W1824832030 doi "https://doi.org/10.1007/978-1-4471-3238-7_42" @default.
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