Information Sharing across Private Databases

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Information Sharing across Private Databases (2003)

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by Rakesh Agrawal , Alexandre Evfimievski , Ramakrishnan Srikant

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269 - 14 self

BibTeX

@MISC{Agrawal03informationsharing,
    author = {Rakesh Agrawal and Alexandre Evfimievski and Ramakrishnan Srikant},
    title = {Information Sharing across Private Databases},
    year = {2003}
}

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Abstract

Literature on information integration across databases tacitly assumes that the data in each database can be revealed to the other databases. However, there is an increasing need for sharing information across autonomous entities in such a way that no information apart from the answer to the query is revealed. We formalize the notion of minimal information sharing across private databases, and develop protocols for intersection, equijoin, intersection size, and equijoin size. We also show how new applications can be built using the proposed protocols.

Keyphrases

private database new application autonomous entity intersection size minimal information information integration

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