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Related papers: Data Security Equals Graph Connectivity

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The promise of tabular generative models is to produce realistic synthetic data that can be shared and safely used without dangerous leakage of information from the training set. In evaluating these models, a variety of methods have been…

Machine Learning · Computer Science 2024-06-21 Joshua Ward , Chi-Hua Wang , Guang Cheng

Finding out the differences and commonalities between the knowledge of two parties is an important task. Such a comparison becomes necessary, when one party wants to determine how much it is worth to acquire the knowledge of the second…

Cryptography and Security · Computer Science 2021-03-02 Leandro Eichenberger , Michael Cochez , Benjamin Heitmann , Stefan Decker

With the phenomenal growth in the Internet, network security has become an integral part of computer and information security. In order to come up with measures that make networks more secure, it is important to learn about the…

Cryptography and Security · Computer Science 2014-12-19 Natarajan Meghanathan

Graph Neural Networks (GNNs) have achieved notable success in tasks such as social and transportation networks. However, recent studies have highlighted the vulnerability of GNNs to backdoor attacks, raising significant concerns about their…

Machine Learning · Computer Science 2025-10-21 Chang Liu , Hai Huang , Yujie Xing , Xingquan Zuo

For years, independence has been considered as an important concept in many disciplines. Nevertheless, we present the first research that investigates the discovery problem of independence in data. In its arguably simplest form,…

Databases · Computer Science 2021-01-08 Miika Hannula , Bor-Kuan Song , Sebastian Link

This study addresses the critical issue of ensuring data security and efficiency in interconnected devices, especially in IoT environments. The objective is to design and implement a model using cryptographic algorithms to enhance data…

Cryptography and Security · Computer Science 2024-07-24 Pedro Costa , Valderi Leithardt

While federated learning (FL) promises to preserve privacy, recent works in the image and text domains have shown that training updates leak private client data. However, most high-stakes applications of FL (e.g., in healthcare and finance)…

Machine Learning · Computer Science 2023-07-10 Mark Vero , Mislav Balunović , Dimitar I. Dimitrov , Martin Vechev

The last few years have witnessed a spate of data protection regulations in conjunction with an ever-growing appetite for data usage in large businesses, which presents significant challenges for businesses to maintain compliance. To…

Data is the central asset of today's dynamically operating organization and their business. This data is usually stored in database. A major consideration is applied on the security of that data from the unauthorized access and intruders.…

Databases · Computer Science 2013-08-25 Manish Sharma , Atul Chaudhary , Santosh Kumar

Answering connectivity queries is fundamental to fully dynamic graphs where edges and vertices are inserted and deleted frequently. Existing work proposes data structures and algorithms with worst-case guarantees. We propose a new data…

Data Structures and Algorithms · Computer Science 2022-07-19 Qing Chen , Oded Lachish , Sven Helmer , Michael Böhlen

Many applications, including provenance and some analyses of social networks, require path-based queries over graph-structured data. When these graphs contain sensitive information, paths may be broken, resulting in uninformative query…

Social and Information Networks · Computer Science 2011-06-20 Barbara Blaustein , Adriane Chapman , Len Seligman , M. David Allen , Arnon Rosenthal

Social networks are considered to be heterogeneous graph neural networks (HGNNs) with deep learning technological advances. HGNNs, compared to homogeneous data, absorb various aspects of information about individuals in the training stage.…

Machine Learning · Computer Science 2022-10-11 Yuecen Wei , Xingcheng Fu , Qingyun Sun , Hao Peng , Jia Wu , Jinyan Wang , Xianxian Li

We formally study two methods for data sanitation that have been used extensively in the database community: k-anonymity and l-diversity. We settle several open problems concerning the difficulty of applying these methods optimally, proving…

Computational Complexity · Computer Science 2010-04-26 Jeremiah Blocki , Ryan Williams

Networks-of-networks (NoN) is a graph-theoretic model of interdependent networks that have distinct dynamics at each network (layer). By adding special edges to represent relationships between nodes in different layers, NoN provides a…

Cryptography and Security · Computer Science 2016-11-17 Mahantesh Halappanavar , Sutanay Choudhury , Emilie Hogan , Peter Hui , John R. Johnson , Indrajit Ray , Lawrence Holder

Synthetic data generation is gaining traction as a privacy enhancing technology (PET). When properly generated, synthetic data preserve the analytic utility of real data while avoiding the retention of information that would allow the…

We consider network graphs $G=(V,E)$ in which adjacent nodes share common secrets. In this setting, certain techniques for perfect end-to-end security (in the sense of confidentiality, authenticity (implying integrity) and availability,…

Cryptography and Security · Computer Science 2023-01-19 Stefan Rass

Graph Neural Networks (GNNs) are a popular technique for modelling graph-structured data and computing node-level representations via aggregation of information from the neighborhood of each node. However, this aggregation implies an…

Machine Learning · Computer Science 2022-08-30 Ameya Daigavane , Gagan Madan , Aditya Sinha , Abhradeep Guha Thakurta , Gaurav Aggarwal , Prateek Jain

Locally differentially private (LDP) graph analysis allows private analysis on a graph that is distributed across multiple users. However, such computations are vulnerable to data poisoning attacks where an adversary can skew the results by…

Cryptography and Security · Computer Science 2025-09-11 Jacob Imola , Amrita Roy Chowdhury , Kamalika Chaudhuri

Next-generation wireless networks are progressing beyond conventional connectivity to incorporate emerging sensing and computing capabilities. This convergence gives rise to integrated systems that enable not only uninterrupted…

Information Theory · Computer Science 2026-02-24 Ruiqi Liu , Beixiong Zheng , Jemin Lee , Si-Hyeon Lee , Georges Kaddoum , Onur Günlü , Deniz Gündüz

The popularity of online social media platforms provides an unprecedented opportunity to study real-world complex networks of interactions. However, releasing this data to researchers and the public comes at the cost of potentially exposing…

Cryptography and Security · Computer Science 2015-03-24 Luca Rossi , Mirco Musolesi , Andrea Torsello