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Privacy-preserving data processing refers to the methods and models that allow computing and analyzing sensitive data with a guarantee of confidentiality. As cloud computing and applications that rely on data continue to expand, there is an…

密码学与安全 · 计算机科学 2026-01-13 Gaurav Sarraf , Vibhor Pal

Feature selection is a technique that extracts a meaningful subset from a set of features in training data. When the training data is large-scale, appropriate feature selection enables the removal of redundant features, which can improve…

密码学与安全 · 计算机科学 2025-05-20 Koki Wakiyama , Tomohiro I , Hiroshi Sakamoto

The k-nearest-neighbor method performs classification tasks for a query sample based on the information contained in its neighborhood. Previous studies into the k-nearest-neighbor algorithm usually achieved the decision value for a class by…

机器学习 · 计算机科学 2018-12-10 Chengsheng Mao , Bin Hu , Lei Chen , Philip Moore , Xiaowei Zhang

In the era of cloud computing and AI, data owners outsource ubiquitous vectors to the cloud, which furnish approximate $k$-nearest neighbors ($k$-ANNS) services to users. To protect data privacy against the untrusted server,…

数据库 · 计算机科学 2025-08-15 Yingfan Liu , Yandi Zhang , Jiadong Xie , Hui Li , Jeffrey Xu Yu , Jiangtao Cui

Deep neural networks (DNNs) enable innovative applications of machine learning like image recognition, machine translation, or malware detection. However, deep learning is often criticized for its lack of robustness in adversarial settings…

机器学习 · 计算机科学 2018-03-14 Nicolas Papernot , Patrick McDaniel

A peer-to-peer network, enabling different parties to jointly store and run computations on data while keeping the data completely private. Enigma's computational model is based on a highly optimized version of secure multi-party…

密码学与安全 · 计算机科学 2015-06-12 Guy Zyskind , Oz Nathan , Alex Pentland

Motivated by the problem of simultaneously preserving confidentiality and usability of data outsourced to third-party clouds, we present two different database encryption schemes that largely hide data but reveal enough information to…

密码学与安全 · 计算机科学 2015-08-12 Omar Chowdhury , Deepak Garg , Limin Jia , Anupam Datta

Big data mining is well known to be an important task for data science, because it can provide useful observations and new knowledge hidden in given large datasets. Proximity-based data analysis is particularly utilized in many real-life…

数据库 · 计算机科学 2022-11-29 Daichi Amagata , Yusuke Arai , Sumio Fujita , Takahiro Hara

Perhaps the most straightforward classifier in the arsenal or machine learning techniques is the Nearest Neighbour Classifier -- classification is achieved by identifying the nearest neighbours to a query example and using those neighbours…

机器学习 · 计算机科学 2021-08-10 Padraig Cunningham , Sarah Jane Delany

In the current digital age, the volume of data generated by various cyber activities has become enormous and is constantly increasing. The data may contain valuable insights that can be harnessed to improve cyber security measures. However,…

密码学与安全 · 计算机科学 2025-03-27 Noor Saud Abd , Noor Walid Khalid , Basim Hussein Ali

Confidential computing has gained prominence due to the escalating volume of data-driven applications (e.g., machine learning and big data) and the acute desire for secure processing of sensitive data, particularly, across distributed…

分布式、并行与集群计算 · 计算机科学 2023-08-01 SM Zobaed , Mohsen Amini Salehi

The increasing adoption of Cloud-based data processing and storage poses a number of privacy issues. Users wish to preserve full control over their sensitive data and cannot accept it to be fully accessible to an external storage provider.…

密码学与安全 · 计算机科学 2015-03-30 Francesco Pagano

The Internet of Things (IoT) will be a main data generation infrastructure for achieving better system intelligence. However, the extensive data collection and processing in IoT also engender various privacy concerns. This paper provides a…

密码学与安全 · 计算机科学 2019-09-24 Mengyao Zheng , Dixing Xu , Linshan Jiang , Chaojie Gu , Rui Tan , Peng Cheng

Clustering large, mixed data is a central problem in data mining. Many approaches adopt the idea of k-means, and hence are sensitive to initialisation, detect only spherical clusters, and require a priori the unknown number of clusters. We…

机器学习 · 统计学 2020-11-13 Joshua Tobin , Mimi Zhang

The use of Machine Learning (ML) for data-driven decision-making often relies on access to sensitive datasets, which introduces privacy challenges. Traditional encryption methods protect data at rest or in transit but fail to secure it…

密码学与安全 · 计算机科学 2026-04-28 Alexandre Marques , Beatriz Sá , Rui Botelho , Pedro Pinto

Benchmarking is an important measure for companies to investigate their performance and to increase efficiency. As companies usually are reluctant to provide their key performance indicators (KPIs) for public benchmarks, privacy-preserving…

密码学与安全 · 计算机科学 2019-03-28 Kilian Becher , Martin Beck , Thorsten Strufe

Data mining techniques have been widely used to mine knowledgeable information from medical data bases. In data mining classification is a supervised learning that can be used to design models describing important data classes, where class…

计算机与社会 · 计算机科学 2015-08-11 M. A. Jabbar , B. L Deekshatulu , Priti Chandra

Privacy issues were raised in the process of training deep learning in medical, mobility, and other fields. To solve this problem, we present privacy-preserving distributed deep learning method that allow clients to learn a variety of data…

机器学习 · 计算机科学 2020-09-14 Jongwon Kim , Sungho Shin , Yeonguk Yu , Junseok Lee , Kyoobin Lee

The rise of cloud computing has spurred a trend of transferring data storage and computational tasks to the cloud. To protect confidential information such as customer data and business details, it is essential to encrypt this sensitive…

密码学与安全 · 计算机科学 2024-04-18 Shyam Murthy , Santosh Kumar Upadhyaya , Srinivas Vivek

In machine learning, crowdsourcing is an economical way to label a large amount of data. However, the noise in the produced labels may deteriorate the accuracy of any classification method applied to the labelled data. We propose an…

人机交互 · 计算机科学 2022-03-03 Jiexin Duan , Xingye Qiao , Guang Cheng