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Computing reachability probabilities is at the heart of probabilistic model checking. All model checkers compute these probabilities in an iterative fashion using value iteration. This technique approximates a fixed point from below by…

计算机科学中的逻辑 · 计算机科学 2018-04-16 Tim Quatmann , Joost-Pieter Katoen

Many cluster similarity indices are used to evaluate clustering algorithms, and choosing the best one for a particular task remains an open problem. We demonstrate that this problem is crucial: there are many disagreements among the…

离散数学 · 计算机科学 2021-08-27 Martijn Gösgens , Alexey Tikhonov , Liudmila Prokhorenkova

In search engines, online marketplaces and other human-computer interfaces large collectives of individuals sequentially interact with numerous alternatives of varying quality. In these contexts, trial and error (exploration) is crucial for…

人工智能 · 计算机科学 2017-04-04 Pantelis P. Analytis , Hrvoje Stojic , Alexandros Gelastopoulos , Mehdi Moussaïd

The increasing rate of crime, attacks by thieves, intruders and vandals, despite all forms of security gadgets and locks still need the attention of researchers to find a permanent solution to the well being of lives and properties of…

其他计算机科学 · 计算机科学 2013-03-08 A. M. Zungeru

Although promising, existing defenses against query-based attacks share a common limitation: they offer increased robustness against attacks at the price of a considerable accuracy drop on clean samples. In this work, we show how to…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Pascal Zimmer , Sébastien Andreina , Giorgia Azzurra Marson , Ghassan Karame

We consider the problem of verifying safety for a pair of identical integrator agents in continuous time with compact set-valued input uncertainties. We encode this verification problem as that of certifying or falsifying the intersection…

最优化与控制 · 数学 2022-05-19 Shadi Haddad , Abhishek Halder

The development of quantum computers has been advancing rapidly in recent years. As quantum computers become more widely accessible, potentially malicious users could try to execute their code on the machines to leak information from other…

硬件体系结构 · 计算机科学 2023-09-13 Jerry Tan , Chuanqi Xu , Theodoros Trochatos , Jakub Szefer

Mixtures of classifiers (a.k.a. randomized ensembles) have been proposed as a way to improve robustness against adversarial attacks. However, it has been shown that existing attacks are not well suited for this kind of classifiers. In this…

机器学习 · 计算机科学 2023-07-21 Lucas Gnecco Heredia , Benjamin Negrevergne , Yann Chevaleyre

We consider hard-decision iterative decoders for product codes over the erasure channel, which employ repeated rounds of decoding rows and columns alternatingly. We derive the exact asymptotic probability of decoding failure as a function…

信息论 · 计算机科学 2007-07-16 Moshe Schwartz , Paul H. Siegel , Alexander Vardy

This study explores a new security problem existing in various state-of-the-art quantum private comparison (QPC) protocols, where a malicious third-party (TP) announces fake comparison (or intermediate) results. In this case, the…

量子物理 · 物理学 2016-07-26 Shih-Min Hung , Sheng-Liang Hwang , Tzonelih Hwang , Shih-Hung Kao

In response to challenges in software supply chain security, several organisations have created infrastructures to independently build commodity open source projects and release the resulting binaries. Build platform variability can…

密码学与安全 · 计算机科学 2025-04-10 Jens Dietrich , Tim White , Behnaz Hassanshahi , Paddy Krishnan

Recently, several papers have demonstrated how widespread gradient masking is amongst proposed adversarial defenses. Defenses that rely on this phenomenon are considered failed, and can easily be broken. Despite this, there has been little…

机器学习 · 计算机科学 2022-04-12 Carlos Gomes

The purpose of incremental cryptography is to allow the updating of cryptographic forms of documents undergoing modifications, more efficiently than if we had to recompute them from scratch. This paper defines a framework for using securely…

密码学与安全 · 计算机科学 2014-04-03 Kevin Atighehchi

Advanced Encryption Standard (AES) algorithm is considered as a secured algorithm. Still, some security issues lie in the S-Box and the key used. In this paper, we have tried to give focus on the security of the key used. Here, the proposed…

密码学与安全 · 计算机科学 2013-07-12 Chittaranjan Pradhan , Ajay Kumar Bisoi

Grover's algorithm confers on quantum computers a quadratic advantage over classical computers for searching in an arbitrary data set, a scenario that describes Bitcoin mining. It has previously been argued that the only side-effect of…

量子物理 · 物理学 2020-03-17 Or Sattath

Based on our previous work on truly concurrent process algebras APTC, we use it to verify the security protocols. This work (called Secure APTC, abbreviated SAPTC) have the following advantages in verifying security protocols: (1) It has a…

计算机科学中的逻辑 · 计算机科学 2021-10-26 Yong Wang

Quantum algorithms can break factoring and discrete logarithm based cryptography and weaken symmetric cryptography and hash functions. In order to estimate the real-world impact of these attacks, apart from tracking the development of…

量子物理 · 物理学 2019-02-11 Vlad Gheorghiu , Michele Mosca

Traceability systems have become prevalent in supply chains because of the rapid development of RFID and IoT technologies. These systems facilitate product recall and mitigate problems such as counterfeiting, tampering, and theft by…

密码学与安全 · 计算机科学 2026-01-15 Fokke Heikamp , Lei Pan , Robin Doss , Rolando Trujillo-Rasua , Sushmita Ruj

We study very simple sorting algorithms based on a probabilistic comparator model. In our model, errors in comparing two elements are due to (1) the energy or effort put in the comparison and (2) the difference between the compared…

数据结构与算法 · 计算机科学 2018-05-16 Barbara Geissmann , Paolo Penna

Disaggregated memory leverages recent technology advances in high-density, byte-addressable non-volatile memory and high-performance interconnects to provide a large memory pool shared across multiple compute nodes. Due to higher memory…

硬件体系结构 · 计算机科学 2024-06-10 Haris Volos