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Taking online decisions is a part of everyday life. Think of buying a house, parking a car or taking part in an auction. We often take those decisions publicly, which may breach our privacy - a party observing our choices may learn a lot…

Data Structures and Algorithms · Computer Science 2025-08-12 Krzysztof Grining , Marek Klonowski , Małgorzata Sulkowska

The rise of smart contract systems such as Ethereum has resulted in a proliferation of blockchain-based decentralized applications including applications that store and manage a wide range of data. Current smart contracts are designed to be…

Cryptography and Security · Computer Science 2019-02-26 Chao Li , Balaji Palanisamy , Runhua Xu

The background to this paper is that in our world of massively increasing personal digital data any control over the data about me seems illusionary - informational privacy seems a lost cause. On the other hand, the production of this…

Computers and Society · Computer Science 2025-04-11 Vincent C. Müller

Privacy-preserving price e-negotiation (3PEN) is an important topic of secure multi-party computation (SMC) in the electronic commerce field, and the key point of its security is to guarantee the privacy of seller's and buyer's prices. In…

Quantum Physics · Physics 2024-05-14 Wen-Jie Liu , Chun-Tang Li , Yu Zheng , Yong Xu , Yin-Song Xu

Data mining is the way toward mining fascinating patterns or information from an enormous level of the database. Data mining additionally opens another risk to privacy and data security.One of the maximum significant themes in the research…

Cryptography and Security · Computer Science 2023-05-01 Dhinakaran D , Joe Prathap P. M

Under Know Your Customer (KYC) regulations, financial institutions are required to verify the identity and assess the trustworthiness of any new client during on-boarding, and maintain up-to-date records for risk management. These processes…

Cryptography and Security · Computer Science 2020-01-07 Constantin Cătălin Drăgan , Mark Manulis

Users are often overwhelmed by privacy decisions to manage their personal data, which can happen on the web, in mobile, and in IoT environments. These decisions can take various forms -- such as decisions for setting privacy permissions or…

Computers and Society · Computer Science 2023-05-17 Victor Morel , Simone Fischer-Hübner

Powerful recognition algorithms are widely used in the Internet or important medical systems, which poses a serious threat to personal privacy. Although the law provides for diversity protection, e.g. The General Data Protection Regulation…

Cryptography and Security · Computer Science 2022-02-15 Hao Wang , Yu Bai , Guangmin Sun , Jie Liu

We consider the problem of ON-OFF privacy in which a user is interested in the latest message generated by one of n sources available at a server. The user has the choice to turn privacy ON or OFF depending on whether he wants to hide his…

Information Theory · Computer Science 2021-04-13 Fangwei Ye , Carolina Naim , Salim El Rouayheb

Availing services provided via the Internet became a widely accepted means in organising one's life. Beside others, eLearning goes with this trend as well. But, while employing Internet service makes life more convenient, at the same time,…

Computers and Society · Computer Science 2007-05-23 Katrin Borcea-Pfitzmann , Anne-Katrin Stange

Differential privacy (DP) enables private data analysis. In a typical DP deployment, controllers manage individuals' sensitive data and are responsible for answering analysts' queries while protecting individuals' privacy. They do so by…

Databases · Computer Science 2026-05-05 Zhiru Zhu , Raul Castro Fernandez

A geo-marketplace allows users to be paid for their location data. Users concerned about privacy may want to charge more for data that pinpoints their location accurately, but may charge less for data that is more vague. A buyer would…

Cryptography and Security · Computer Science 2020-09-07 Kien Nguyen , John Krumm , Cyrus Shahabi

Online privacy has gradually become a concern for internet users over the years as a result of the interconnection of customers devices with other devices supporting the internet technology. This research investigates and discusses the…

Computers and Society · Computer Science 2018-01-04 E. T. Tchao , Kwasi Diawuo , Christiana Selorm Aggor , Seth Djane Kotey

The demand private coded caching problem in a multi-access network with $K$ users and $K$ caches, where each user has access to $L$ neighbouring caches in a cyclic wrap-around manner, is studied. The additional constraint imposed is that…

Information Theory · Computer Science 2021-07-02 K. K. Krishnan Namboodiri , B. Sundar Rajan

News recommendation and personalization is not a solved problem. People are growing concerned of their data being collected in excess in the name of personalization and the usage of it for purposes other than the ones they would think…

Computers and Society · Computer Science 2021-09-16 Reshma Narayanan Kutty , Claudia Orellana-Rodriguez , Igor Brigadir , Ernesto Diaz-Aviles

Online users generate tremendous amounts of data. To better serve users, it is required to share the user-related data among researchers, advertisers and application developers. Publishing such data would raise more concerns on user…

Cryptography and Security · Computer Science 2018-06-27 Ghazaleh Beigi

Today, financial institutions (FIs) store and share consumers' financial data for various reasons such as offering loans, processing payments, and protecting against fraud and financial crime. Such sharing of sensitive data have been…

Cryptography and Security · Computer Science 2023-06-21 Panagiotis Chatzigiannis , Wanyun Catherine Gu , Srinivasan Raghuraman , Peter Rindal , Mahdi Zamani

E-commerce, a type of trading that occurs at a high frequency on the Internet, requires guaranteeing the integrity, authentication and non-repudiation of messages through long distance. As current e-commerce schemes are vulnerable to…

Quantum Physics · Physics 2024-01-17 Xiao-Yu Cao , Bing-Hong Li , Yang Wang , Yao Fu , Hua-Lei Yin , Zeng-Bing Chen

For preserving privacy, blockchains can be equipped with dedicated mechanisms to anonymize participants. However, these mechanism often take only the abstraction layer of blockchains into account whereas observations of the underlying…

Networking and Internet Architecture · Computer Science 2018-07-31 David Mödinger , Henning Kopp , Frank Kargl , Franz J. Hauck

The increasingly rapid use of mobile devices for data transaction around the world has consequently led to a new problem, and that is, how to engage in mobile data transactions while maintaining an acceptable level of data privacy and…

Cryptography and Security · Computer Science 2013-09-17 Kato Mivule , Claude Turner