Welcome to the resource topic for 2016/736
Title:
Efficient and Private Scoring of Decision Trees, Support Vector Machines and Logistic Regression Models based on Pre-Computation
Authors: Martine De Cock, Rafael Dowsley, Caleb Horst, Raj Katti, Anderson C. A. Nascimento, Stacey C. Newman, Wing-Sea Poon
Abstract:Many data-driven personalized services require that private data of users is scored against a trained machine learning model. In this paper we propose a novel protocol for privacy-preserving classification of decision trees, a popular machine learning model in these scenarios. Our solutions are composed out of building blocks, namely a secure comparison protocol, a protocol for obliviously selecting inputs, and a protocol for evaluating polynomials. By combining some of the building blocks for our decision tree classification protocol, we also improve previously proposed solutions for classification of support vector machines and logistic regression models. Our protocols are information theoretically secure and, unlike previously proposed solutions, do not require modular exponentiations. We show that our protocols for privacy-preserving classification lead to more efficient results from the point of view of computational and communication complexities. We present accuracy and runtime results for 7 classification benchmark datasets from the UCI repository.
ePrint: https://eprint.iacr.org/2016/736
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