English
Related papers

Related papers: No-Go Theorems for Data Privacy

200 papers

The application and development of process mining techniques face significant challenges due to the lack of publicly available real-life event logs. One reason for companies to abstain from sharing their data are privacy and confidentiality…

Software Engineering · Computer Science 2025-05-19 Fabian Haertel , Juergen Mangler , Nataliia Klievtsova , Celine Mader , Eugen Rigger , Stefanie Rinderle-Ma

This paper studies privacy and secure function evaluation in communication complexity. The focus is on quantum versions of the model and on protocols with only approximate privacy against honest players. We show that the privacy loss (the…

Quantum Physics · Physics 2007-05-23 Hartmut Klauck

Concern about how to aggregate sensitive user data without compromising individual privacy is a major barrier to greater availability of data. The model of differential privacy has emerged as an accepted model to release sensitive…

Databases · Computer Science 2017-10-03 Graham Cormode , Tejas Kulkarni , Divesh Srivastava

In cloud computing, data processing is delegated to a remote party for efficiency and flexibility reasons. A practical user requirement usually is that the confidentiality and integrity of data processing needs to be protected. In the…

Cryptography and Security · Computer Science 2019-06-20 Lamya Abdullah , Felix Freiling , Juan Quintero , Zinaida Benenson

In recent years, the development of technologies for causal inference with privacy preservation of distributed data has gained considerable attention. Many existing methods for distributed data focus on resolving the lack of subjects…

Methodology · Statistics 2024-01-18 Yuji Kawamata , Ryoki Motai , Yukihiko Okada , Akira Imakura , Tetsuya Sakurai

In this paper, we propose privacy-preserving methods with a secret key for convolutional neural network (CNN)-based models in speech processing tasks. In environments where untrusted third parties, like cloud servers, provide CNN-based…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-08 Shoko Niwa , Sayaka Shiota , Hitoshi Kiya

Functional encryption (FE) is a versatile paradigm that enables fine-grained access control over encrypted data. Despite its potential, achieving the gold standard of simulation-based security for FE is impossible in full generality. Known…

Cryptography and Security · Computer Science 2026-03-25 Mohammed Barhoush , Louis Salvail

Existing regulations prohibit model developers from accessing protected attributes (gender, race, etc.), often resulting in fairness assessments on populations without knowing their protected groups. In such scenarios, institutions often…

Machine Learning · Computer Science 2023-06-07 Faisal Hamman , Jiahao Chen , Sanghamitra Dutta

Theoretical and applied research into privacy encompasses an incredibly broad swathe of differing approaches, emphasis and aims. This work introduces a new quantitative notion of privacy that is both contextual and specific. We argue that…

Statistics Theory · Mathematics 2026-03-05 Cameron Bell , Timothy Johnston , Antoine Luciano , Christian P Robert

To securely leverage the advantages of Cloud Computing, recently a lot of research has happened in the area of "Secure Query Processing over Encrypted Data". As a concrete use case, many encryption schemes have been proposed for securely…

Cryptography and Security · Computer Science 2018-01-16 Gagandeep Singh , Akshar Kaul , Sameep Mehta

Privacy Security of data in Cloud Storage is one of the main issues. Many Frameworks and Technologies are used to preserve data security in cloud storage. [1] Proposes a framework which includes the design of data organization structure,…

Cryptography and Security · Computer Science 2012-05-15 Rajeev Bedi , Mohit Marwaha , Tajinder Singh , Harwinder Singh , Amritpal Singh

Incompatibility is a feature of quantum theory that sets it apart from classical theory, and the inability to clone an unknown quantum state is one of the most fundamental instances. The no-hiding theorem is another such instance that…

Quantum Physics · Physics 2025-08-12 Matthew Girling , Cristina Cirstoiu , David Jennings

Sensitive applications running on the cloud often require data to be stored in an encrypted domain. To run data mining algorithms on such data, partially homomorphic encryption schemes (allowing certain operations in the ciphertext domain)…

Cryptography and Security · Computer Science 2023-08-08 Tikaram Sanyashi , Bernard Menezes

Amidst the burgeoning landscape of database architectures, the surge in NoSQL databases has heralded a transformative era, liberating data storage from traditional relational constraints and ushering in unprecedented scalability. As…

Cryptography and Security · Computer Science 2025-01-08 Abraham Itzhak Weinberg

Due to the long coherence time and efficient manipulation, the surface electron (SE) provides a perfect two-dimensional platform for quantum computation and quantum simulation. In this work, a theoretical scheme to realize the…

Quantum Physics · Physics 2024-05-07 Jun Wang , Wan-Ting He , Cong-Wei Lu , Yang-Yang Wang , Qing Ai , Hai-Bo Wang

Quantum cryptography has been extensively studied in the last twenty years, but information-flow security of quantum computing and communication systems has been almost untouched in the previous research. Duo to the essential difference…

Cryptography and Security · Computer Science 2013-01-30 Mingsheng Ying , Yuang Feng , Nengkun Yu

In this paper, we consider the problem of responding to a count query (or any other integer-valued queries) evaluated on a dataset containing sensitive attributes. To protect the privacy of individuals in the dataset, a standard practice is…

Information Theory · Computer Science 2020-07-21 Parastoo Sadeghi , Shahab Asoodeh , Flavio du Pin Calmon

Relational quantum mechanics (RQM) proposes an ontology of relations between physical systems, where any system can serve as an `observer' and any physical interaction between systems counts as a `measurement'. Quantities take unique values…

Quantum Physics · Physics 2021-12-30 Jacques L. Pienaar

Evaluating the usefulness of data before purchase is essential when obtaining data for high-quality machine learning models, yet both model builders and data providers are often unwilling to reveal their proprietary assets. We present…

Cryptography and Security · Computer Science 2026-04-21 Wan Ki Wong , Sahel Torkamani , Michele Ciampi , Rik Sarkar

Question answering (QA) systems provide a way of querying the information available in various formats including, but not limited to, unstructured and structured data in natural languages. It constitutes a considerable part of…

Computation and Language · Computer Science 2021-06-04 Munazza Zaib , Wei Emma Zhang , Quan Z. Sheng , Adnan Mahmood , Yang Zhang