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The Center for Education and Research in Information Assurance and Security (CERIAS)

The Center for Education and Research in
Information Assurance and Security (CERIAS)

Ninghui Li - Purdue University

"Privacy Notions for Data Publishing and Analysis"

Feb 18, 2015

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Abstract

Data collected by organizations and agencies are a key resource in
today's information age. The use of sophisticated data mining techniques
makes it possible to extract relevant knowledge that can then be used for a
variety of purposes, such as research, developing innovative technologies
and services, intelligence and counterterrorism operations, and providing
inputs to public policy making. However the disclosure of those data poses
serious threats to individual privacy.

In this talk, we will present the evolvement of privacy notions for
data publishing and analysis, leading to our proposed membership privacy
framework, which formalizes the intuition that privacy means that the
adversary cannot significantly increasing its ability to conclude that an
entity is in the input dataset. We show that several recently proposed
privacy notions, including differential privacy, are instantiations of the
membership privacy framework, and that the framework provides a principled
approach to developing new privacy notions under which better utility can be
achieved than what is possible under differential privacy.

About the Speaker

Ninghui Li is a Professor of Computer Science at Purdue University. His
research interests are in
security and privacy. Prof. Li is currently Vice Chair of ACM Special
Interest Group on Security, Audit and
Control (SIGSAC) and Program Chair of 2015 ACM Conference on Computer and
Communications Security (CCS).
He is on the editorial boards of IEEE Transactions on Dependable and Secure
Computing, Journal of Computer Security, and ACM Transactions on Internet
Technology.

Unless otherwise noted, the security seminar is held on Wednesdays at 4:30P.M. STEW G52 (Suite 050B), West Lafayette Campus. More information...

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