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Outsourcing data and computation to cloud server provides a cost-effective way to support large scale data storage and query processing. However, due to security and privacy concerns, sensitive data (e.g., medical records) need to be…

数据库 · 计算机科学 2018-06-05 Jinfei Liu , Juncheng Yang , Li Xiong , Jian Pei

This paper proposes a novel privacy-preserving semantic segmentation method that can use independent keys for each client and image. In the proposed method, the model creator and each client encrypt images using locally generated keys, and…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Mare Hirose , Shoko Imaizumi , Hitoshi Kiya

A decision tree is an easy-to-understand tool that has been widely used for classification tasks. On the one hand, due to privacy concerns, there has been an urgent need to create privacy-preserving classifiers that conceal the user's input…

密码学与安全 · 计算机科学 2025-05-06 Andrew Quijano , Spyros T. Halkidis , Kevin Gallagher , Kemal Akkaya , Nikolaos Samaras

In decentralized personal data ecosystems grounded in architectures such as Solid, users retain sovereignty over their data via personal online data stores (pods), hosted on Solid-compliant server infrastructures. In such environments, data…

Federated learning is a method used in machine learning to allow multiple devices to work together on a model without sharing their private data. Each participant keeps their private data on their system and trains a local model and only…

密码学与安全 · 计算机科学 2025-04-07 Feiran Yang

Privacy Preserving Data Mining is a method which ensures privacy of individual information during mining. Most important task involves retrieving information from multiple data bases which is distributed. The data once in the data warehouse…

数据库 · 计算机科学 2012-04-13 P. Kiran , S Sathish Kumar , N. P. Kavya

The rise of cloud computing demands secure memory systems that ensure data confidentiality, integrity, and freshness against replay attacks. Existing schemes such as AES-XTS, AES-GCM, and AES-CTR each trade performance for security, with…

密码学与安全 · 计算机科学 2026-02-13 Haoran Geng , Yuezhi Che , Dazhao Chen , Michael Niemier , Xiaobo Sharon Hu

Security and confidentiality of big data stored in the cloud are important concerns for many organizations to adopt cloud services. One common approach to address the concerns is client-side encryption where data is encrypted on the client…

密码学与安全 · 计算机科学 2019-08-15 SM Zobaed , Sahan Ahmad , Raju Gottumukkala , Mohsen Amini Salehi

Attribute-based encryption (ABE) is a promising cryptographic mechanism for providing confidentiality and fine-grained access control in the cloud-based area. However, due to high computational overhead, common ABE schemes are not suitable…

密码学与安全 · 计算机科学 2021-07-22 Mostafa Chegenizadeh , Mohammad Ali , Javad Mohajeri , Mohammad Reza Aref

Privacy-preserving techniques for distributed computation have been proposed recently as a promising framework in collaborative inter-domain network monitoring. Several different approaches exist to solve such class of problems, e.g.,…

网络与互联网体系结构 · 计算机科学 2011-01-31 Fabio Ricciato , Martin Burkhart

The emergence of cloud computing provides a new computing paradigm for users -- massive and complex computing tasks can be outsourced to cloud servers. However, the privacy issues also follow. Fully homomorphic encryption shows great…

密码学与安全 · 计算机科学 2021-04-01 Lizhi Xiong , Wenhao Zhou , Zhihua Xia , Qi Gu , Jian Weng

New cryptographic techniques such as homomorphic encryption (HE) allow computations to be outsourced to and evaluated blindfolded in a resourceful cloud. These computations often require private data owned by multiple participants, engaging…

密码学与安全 · 计算机科学 2020-08-13 Asma Aloufi , Peizhao Hu , Yongsoo Song , Kristin Lauter

Object Storage Systems (OSS) inside a cloud promise scalability, durability, availability, and concurrency. However, open-source OSS does not have a specific approach to letting users and administrators search based on the data, which is…

分布式、并行与集群计算 · 计算机科学 2023-05-09 Jannatun Noor , Rizwanul Haque Ratul , Mir Rownak Ali Uday , Joyanta Jyoti Mondal , Md. Sadiqul Islam Sakif , A. B. M. Alim Al Islam

The popularity of Deep Learning (DL) makes the privacy of sensitive data more imperative than ever. As a result, various privacy-preserving techniques have been implemented to preserve user data privacy in DL. Among various…

密码学与安全 · 计算机科学 2023-08-31 Khoa Nguyen , Tanveer Khan , Antonis Michalas

Homomorphic encryption (HE) allows secure computation on encrypted data without revealing the original data, providing significant benefits for privacy-sensitive applications. Many cloud computing applications (e.g., DNA read mapping,…

Natural language text corpora are often available as sets of syntactically parsed trees. A wide range of expressive tree queries are possible over such parsed trees that open a new avenue in searching over natural language text. They not…

数据库 · 计算机科学 2012-08-02 Pirooz Chubak , Davood Rafiei

An indexed sequence of strings is a data structure for storing a string sequence that supports random access, searching, range counting and analytics operations, both for exact matches and prefix search. String sequences lie at the core of…

数据结构与算法 · 计算机科学 2012-04-17 Roberto Grossi , Giuseppe Ottaviano

Deep neural networks are increasingly being used in a variety of machine learning applications applied to rich user data on the cloud. However, this approach introduces a number of privacy and efficiency challenges, as the cloud operator…

计算机视觉与模式识别 · 计算机科学 2017-10-13 Seyed Ali Osia , Ali Shahin Shamsabadi , Ali Taheri , Kleomenis Katevas , Hamid R. Rabiee , Nicholas D. Lane , Hamed Haddadi

Pairing-based inner product functional encryption provides an efficient theoretical construction for privacy-preserving edge computing secured by widely deployed elliptic curve cryptography. In this work, an efficient software…

密码学与安全 · 计算机科学 2025-04-04 Utsav Banerjee

Fully Homomorphic Encryption (FHE) allows computations to be performed directly on encrypted data without needing to decrypt it first. This "encryption-in-use" feature is crucial for securely outsourcing computations in privacy-sensitive…

密码学与安全 · 计算机科学 2024-10-22 Muhammad Husni Santriaji , Jiaqi Xue , Qian Lou , Yan Solihin