Rank-Based Inference Over Web Databases

Provided by: George Washington University Topic: Data Management Format: PDF
In recent years, there has been much research in the adoption of ranked retrieval model (in addition to the Boolean retrieval model) in structured databases, especially those in a client-server environment (e.g., web databases). With this model, a search query returns top-k tuples according to not just exact matches of selection conditions, but a suitable ranking function. While much research has gone into the design of ranking functions and the efficient processing of top-k queries, this paper studies a novel problem on the privacy implications of database ranking.

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