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Geospatial data statistics involve the aggregation and analysis of location data to derive the distribution of clients within geospatial. The need for privacy protection in geospatial data analysis has become paramount due to concerns over…

Cryptography and Security · Computer Science 2025-06-06 Chuan Zhang , Xuhao Ren , Zhangcheng Huang , Jinwen Liang , Jianzong Wang , Liehuang Zhu

Recently, Li et al. proposed a secure biometric-based remote user authentication scheme using smart cards to withstand the security flaws of Li-Hwang's efficient biometric-based remote user authentication scheme using smart cards. Li et…

Cryptography and Security · Computer Science 2011-03-17 Ashok Kumar Das

The recent success of large language models and AI chatbots such as ChatGPT in various knowledge domains has a severe impact on teaching and learning Geography and GIScience. The underlying revolution is often compared to the introduction…

Computers and Society · Computer Science 2023-07-10 Simon Scheider , Harm Bartholomeus , Judith Verstegen

GraphQL is a query language for APIs and a runtime to execute queries. Using GraphQL queries, clients define precisely what data they wish to retrieve or mutate on a server, leading to fewer round trips and reduced response sizes. Although…

Software Engineering · Computer Science 2019-07-31 Erik Wittern , Alan Cha , James C. Davis , Guillaume Baudart , Louis Mandel

Everyday a huge amount of data is generated in Cloud Computing. The maintenance of this electronic data needs some extremely efficient services. There is a need to properly collect this data, check for its authenticity and develop proper…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-03-24 Manali Raje , Debajyoti Mukhopadhyay

Location-based systems that combine encrypted geographic search with zero-knowledge proximity proofs typically treat the two phases as independent. Under an honest-but-curious server, this leaves an authorization provenance gap: once…

Cryptography and Security · Computer Science 2026-04-07 Yoshiyuki Ootani

We present GPQA, a challenging dataset of 448 multiple-choice questions written by domain experts in biology, physics, and chemistry. We ensure that the questions are high-quality and extremely difficult: experts who have or are pursuing…

Biometrics deals with identity verification of an individual by using certain physiological or behavioral features associated with a person. Biometric identification systems using fingerprints patterns are called AFIS (Automatic Fingerprint…

Cryptography and Security · Computer Science 2010-05-25 Najme Zehra , Mansi Sharma , Somya Ahuja , Shubha Bansal

Cashless payment systems offer many benefits over cash, but also have some drawbacks. Fake terminals, skimming, wireless connectivity, and relay attacks are persistent problems. Attempts to overcome one problem often lead to another - for…

Cryptography and Security · Computer Science 2024-09-27 Jack Sturgess , Ivan Martinovic

Geo-obfuscation serves as a location privacy protection mechanism (LPPM), enabling mobile users to share obfuscated locations with servers, rather than their exact locations. This method can protect users' location privacy when data…

Cryptography and Security · Computer Science 2024-12-17 Chenxi Qiu , Ruiyao Liu , Primal Pappachan , Anna Squicciarini , Xinpeng Xie

Group Authentication Schemes (GAS) are methodologies developed to verify the membership of multiple users simultaneously. These schemes enable the concurrent authentication of several users while eliminating the need for a certification…

Cryptography and Security · Computer Science 2025-12-04 Oylum Gerenli , Gunes Karabulut-Kurt , Enver Ozdemir

Although security questions are still widely adopted, they still have several limitations. Previous research found that using system-generated information to answer security questions could be more secure than users' own answers. However,…

Cryptography and Security · Computer Science 2019-08-27 Nicholas Micallef , Nalin Asanka Gamagedara Arachchilage

Cybersecurity is very essential for Mobile Transactions to complete seamlessly. Mobile Commerce (Mcom.) is the very basic transaction type, which is very commonly used (2 in 5 people uses mobile as transaction medium), To secure this there…

Cryptography and Security · Computer Science 2023-05-19 Sanyam Jain , Raju gautam , Shivani Sharma , Ravi Tomar

Biometrics technologies are gaining popularity today since they provide more reliable and efficient means of authentication and verification. Keystroke Dynamics is one of the famous biometric technologies, which will try to identify the…

Cryptography and Security · Computer Science 2009-10-06 D. Shanmugapriya , G. Padmavathi

Software connected to the Internet is an attractive target for attackers: as soon as a security flaw is known, services may be taken under attack. In contrast, software developers release updates to add further features and fix flaws in…

Cryptography and Security · Computer Science 2019-12-23 Christian A. Gorke , Frederik Armknecht

GraphQL is a query language and web application programming interface (API) for client-server architecture. Its advantages include type-safe queries, which allow clients to retrieve the data they require precisely in a single request. As…

Software Engineering · Computer Science 2024-08-19 Saleh Amareen , Obed Soto Dector , Ali Dado , Amiangshu Bosu

The majority of systems rely on user authentication on passwords, but passwords have so many weaknesses and widespread use that easily raise significant security concerns, regardless of their encrypted form. Users hold the same password for…

Cryptography and Security · Computer Science 2021-01-22 Vassilis Papaspirou , Leandros Maglaras , Mohamed Amine Ferrag , Ioanna Kantzavelou , Helge Janicke , Christos Douligeris

Privacy-Preserving Image Queries (PPIQ) are an emerging mechanism for cloud-based visual localization, enabling pose estimation from obfuscated features instead of private images or raw keypoints. However, the main approaches for PPIQ,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Jeonggon Kim , Heejoon Moon , Je Hyeong Hong

Fingerprint recognition systems are widely deployed for authentication and forensic applications, but the security of stored fingerprint data remains a critical vulnerability. While many systems avoid storing raw fingerprint images in favor…

Cryptography and Security · Computer Science 2025-11-18 Yaniv Hacmon , Keren Gorelik , Gilad Gressel , Yisroel Mirsky

Unauthorized credit inquiries are also a central entry point for identity theft, with Social Security Numbers (SSNs) being widely utilized in fraudulent cases. Traditional credit inquiry systems do not usually possess strict user…

Cryptography and Security · Computer Science 2025-05-27 Gogulakrishnan Thiyagarajan , Vinay Bist , Prabhudarshi Nayak