Chapter

Data Privacy Management and Autonomous Spontaneus Security

Volume 7122 of the series Lecture Notes in Computer Science pp 58-71

On the Complexity of Aggregating Information for Authentication and Profiling

  • Christian A. DuncanAffiliated withCarnegie Mellon UniversityCenter for Secure Cyberspace, Computer Science, Louisiana Tech University
  • , Vir V. PhohaAffiliated withCarnegie Mellon UniversityCenter for Secure Cyberspace, Computer Science, Louisiana Tech University

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Abstract

Motivated by applications in online privacy, user authentication and profiling, we discuss the complexity of various problems generalized from the classic 0-1 knapsack problem. In our scenarios, we assume the existence of a scoring function that evaluates the confidence in the personal online profile or authenticity of an individual based on a subset of acquired credentials and facts about an individual and show how the specific properties of that function affect the computational complexity of the problem, providing both NP-completeness proofs under certain conditions as well as pseudo-polynomial-time solutions under others.

Keywords

user profiling computational complexity