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Information network analysis has drawn a lot attention in recent years. Among all the aspects of network analysis, similarity measure of nodes has been shown useful in many applications, such as clustering, link prediction and community…

Cryptography and Security · Computer Science 2012-10-02 Yu-Wei Chu , Chih-Hua Tai , Ming-Syan Chen , Philip S. Yu

The goal of this chapter is to present a survey of homomorphic encryption techniques and their applications. After a detailed discussion on the introduction and motivation of the chapter, we present some basic concepts of cryptography. The…

Cryptography and Security · Computer Science 2021-09-03 Jaydip Sen

Numerous generalization techniques have been proposed for privacy preserving data publishing. Most existing techniques, however, implicitly assume that the adversary knows little about the anonymization algorithm adopted by the data…

Databases · Computer Science 2010-03-29 Xiaokui Xiao , Yufei Tao , Nick Koudas

We propose a privacy-preserving framework for learning visual classifiers by leveraging distributed private image data. This framework is designed to aggregate multiple classifiers updated locally using private data and to ensure that no…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Ryo Yonetani , Vishnu Naresh Boddeti , Kris M. Kitani , Yoichi Sato

Preserving the privacy of individuals by protecting their sensitive attributes is an important consideration during microdata release. However, it is equally important to preserve the quality or utility of the data for at least some…

Machine Learning · Statistics 2017-11-07 Dennis Wei , Karthikeyan Natesan Ramamurthy , Kush R. Varshney

Homomorphic encryption (HE) is a promising cryptographic technique for enabling secure collaborative machine learning in the cloud. However, support for homomorphic computation on ciphertexts under multiple keys is inefficient. Current…

Cryptography and Security · Computer Science 2019-11-12 Asma Aloufi , Peizhao Hu

We propose a public key encryption cryptosystem based on solutions of linear equation systems with predefinition of input parameters through shared secret computation for factorizable substitutions. The existence of multiple equivalent…

Cryptography and Security · Computer Science 2025-07-14 Gennady Khalimov , Yevgen Kotukh

Federated Learning (FL) enables collaborative model training while preserving data privacy; however, balancing privacy preservation (PP) and fairness poses significant challenges. In this paper, we present the first unified large-scale…

Machine Learning · Computer Science 2025-08-12 Dawood Wasif , Dian Chen , Sindhuja Madabushi , Nithin Alluru , Terrence J. Moore , Jin-Hee Cho

Face recognition technology has demonstrated tremendous progress over the past few years, primarily due to advances in representation learning. As we witness the widespread adoption of these systems, it is imperative to consider the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Vishnu Naresh Boddeti

Cloud Service Providers, such as Google Cloud Platform, Microsoft Azure, or Amazon Web Services, offer continuously evolving cloud services. It is a growing industry. Businesses, such as Netflix and PayPal, rely on the Cloud for data…

Cryptography and Security · Computer Science 2023-12-25 Brian Kishiyama , Izzat Alsmadi

As image processing systems proliferate, privacy concerns intensify given the sensitive personal information contained in images. This paper examines privacy challenges in image processing and surveys emerging privacy-preserving techniques…

Cryptography and Security · Computer Science 2025-05-08 Maneesha , Bharat Gupta , Rishabh Sethi , Charvi Adita Das

Face recognition is a widely-used technique for identification or verification, where a verifier checks whether a face image matches anyone stored in a database. However, in scenarios where the database is held by a third party, such as a…

Cryptography and Security · Computer Science 2023-07-25 Jianli Bai , Xiaowu Zhang , Xiangfu Song , Hang Shao , Qifan Wang , Shujie Cui , Giovanni Russello

Differential privacy is a robust privacy standard that has been successfully applied to a range of data analysis tasks. Despite much recent work, optimal strategies for answering a collection of correlated queries are not known. We study…

Databases · Computer Science 2010-09-07 Chao Li , Michael Hay , Vibhor Rastogi , Gerome Miklau , Andrew McGregor

Class imbalance in training datasets can lead to bias and poor generalization in machine learning models. While pre-processing of training datasets can efficiently address both these issues in centralized learning environments, it is…

Cryptography and Security · Computer Science 2024-10-29 Arpit Guleria , J. Harshan , Ranjitha Prasad , B. N. Bharath

Fully homomorphic encryption (FHE) enables a simple, attractive framework for secure search. Compared to other secure search systems, no costly setup procedure is necessary; it is sufficient for the client merely to upload the encrypted…

Cryptography and Security · Computer Science 2021-09-17 Seung Geol Choi , Dana Dachman-Soled , S. Dov Gordon , Linsheng Liu , Arkady Yerukhimovich

Big data has been a pervasive catchphrase in recent years, but dealing with data scarcity has become a crucial question for many real-world deep learning (DL) applications. A popular methodology to efficiently enable the training of DL…

Cryptography and Security · Computer Science 2022-10-21 Roman Walch , Samuel Sousa , Lukas Helminger , Stefanie Lindstaedt , Christian Rechberger , Andreas Trügler

With the popularity of cloud computing and machine learning, it has been a trend to outsource machine learning processes (including model training and model-based inference) to cloud. By the outsourcing, other than utilizing the extensive…

Cryptography and Security · Computer Science 2023-08-03 Pinglan Liu , Wensheng Zhang

Omics data is widely employed in medical research to identify disease mechanisms and contains highly sensitive personal information. Federated Learning (FL) with Differential Privacy (DP) can ensure the protection of omics data privacy…

Cryptography and Security · Computer Science 2025-11-11 Yusaku Negoya , Feifei Cui , Zilong Zhang , Miao Pan , Tomoaki Ohtsuki , Aohan Li

This paper presents a comprehensive investigation into encrypted computations using the CKKS (Cheon-Kim-Kim-Song) scheme, with a focus on multi-dimensional vector operations and real-world applications. Through two meticulously designed…

Cryptography and Security · Computer Science 2023-09-15 Muhammad Jahanzeb Khan , Bo Fang , Dongfang Zhao

With the increasing demands for privacy protection, many privacy-preserving machine learning systems were proposed in recent years. However, most of them cannot be put into production due to their slow training and inference speed caused by…

Cryptography and Security · Computer Science 2020-08-19 Fei Zheng