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🔍 hesham mostafa 📂 Computer Science
Showing 44 results for "hesham mostafa" in Computer Science
Computer Science Preprint PDF DOI

Near-Linear Time Computation of Welzl Orders on Graphs with Linear Neighborhood Complexity

Jan Dreier, Clemens Kuske · 2026

Orders with low crossing number, introduced by Welzl, are a fundamental tool in range searching and computational geometry. Recently, they have found important applications in structural graph theory:…

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Computer Science Preprint PDF DOI

SpikCommander: A High-performance Spiking Transformer with Multi-view Learning for Efficient Speech Command Recognition

Jiaqi Wang, Liutao Yu, Xiongri Shen, Sihang Guo, Chenlin Zhou, Leilei Zhao, Yi Zhong, Zhiguo Zhang, Zhengyu Ma · 2025

Spiking neural networks (SNNs) offer a promising path toward energy-efficient speech command recognition (SCR) by leveraging their event-driven processing paradigm. However, existing SNN-based SCR met…

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Computer Science Preprint PDF DOI

AESHA3: Efficient and Secure Sub-Key Generation for AES Using SHA-3

Ankush Soni, Sanjay K. Sahay, Parit Mehta · 2025

Advanced Encryption Standard (AES) is one of the most widely used symmetric cipher for the confidentiality of data. Also it is used for other security services, viz. integrity, authentication and key …

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Computer Science Preprint PDF DOI

HEPHA: A Mixed-Initiative Image Labeling Tool for Specialized Domains

Shiyuan Zhou, Bingxuan Li, Xiyuan Chen, Zhi Tu, Yifeng Wang, Yiwen Xiang, Tianyi Zhang · 2025

Image labeling is an important task for training computer vision models. In specialized domains, such as healthcare, it is expensive and challenging to recruit specialists for image labeling. We propo…

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Computer Science Preprint PDF DOI

SoliDiffy: AST Differencing for Solidity Smart Contracts

Mojtaba Eshghie, Viktor {AA}ryd, Cyrille Artho, Martin Monperrus · 2024

Structured code differencing is the act of comparing the hierarchical structure of code via its abstract syntax tree (AST) to capture modifications. AST-based source code differencing enables tasks su…

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Computer Science Preprint PDF DOI

Shesha: Multi-head Microarchitectural Leakage Discovery in new-generation Intel Processors

Anirban Chakraborty, Nimish Mishra, Debdeep Mukhopadhyay · 2024

Transient execution attacks have been one of the widely explored microarchitectural side channels since the discovery of Spectre and Meltdown. However, much of the research has been driven by manual d…

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Computer Science Preprint PDF DOI

A retrospective analysis of Montana's 2020 congressional redistricting map

Kelly McKinnie, Erin Szalda-Petree · 2024

The 2020 decennial census data resulted in an increase from one to two congressional representatives in the state of Montana. The state underwent its redistricting process in 2021 in time for the Nove…

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Computer Science Preprint PDF DOI

The Shifting Landscape of Cybersecurity: The Impact of Remote Work and COVID-19 on Data Breach Trends

Murat Ozer, Yasin Kose, Mehmet Bastug, Goksel Kucukkaya, Eva Ruhsar Varlioglu · 2024

This study examines the impact of the COVID-19 pandemic on cybersecurity and data breaches, with a specific focus on the shift toward remote work. The study identifies trends and offers insights into …

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Computer Science Preprint PDF DOI

MeshAC: A 3D Mesh Generation and Adaptation Package for Multiscale Coupling Methods

Kejie Fu, Mingjie Liao, Yangshuai Wang, Jianjun Chen, Lei Zhang · 2024

This paper introduces the MeshAC package, which generates three-dimensional adaptive meshes tailored for the efficient and robust implementation of multiscale coupling methods. While Delaunay triangul…

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Computer Science Preprint PDF DOI

Despertando o Interesse de Mulheres para os Cursos em STEM

Tainara Silva Novaes, Kathleen Danielly Souza Lins, Adolfo Gustavo S. Seca Neto, Mariangela de Oliveira G. Setti, Maria Claudia F. Pereira Emer · 2023

This article presents initiatives aimed at promoting female participation in STEM fields, with the goal of encouraging more women to pursue careers in these areas. One of these initiatives is the Em\'…

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Computer Science Preprint PDF DOI

HighGuard: Cross-Chain Business Logic Monitoring of Smart Contracts

Mojtaba Eshghie, Wolfgang Ahrendt, Cyrille Artho, Thomas Troels Hildebrandt, Gerardo Schneider · 2023

Logical flaws in smart contracts are often exploited, leading to significant financial losses. Our tool, HighGuard, detects transactions that violate business logic specifications of smart contracts. …

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Computer Science Preprint PDF DOI

Hitting Sets when the Shallow Cell Complexity is Small

Sander Aarts, David B. Shmoys · 2023

The hitting set problem is a well-known NP-hard optimization problem in which, given a set of elements and a collection of subsets, the goal is to find the smallest selection of elements, such that ea…

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Computer Science Preprint PDF DOI

Sparse Geometric Set Systems and the Beck-Fiala Conjecture

Kunal Dutta, Arijit Ghosh · 2023

We investigate the combinatorial discrepancy of geometric set systems having bounded shallow cell complexity in the \emph{Beck-Fiala} setting, where each point belongs to at most $t$ ranges. For set s…

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Computer Science Preprint PDF DOI

Classical and quantum Merlin-Arthur automata

Abuzer Yakary{i}lmaz · 2022

We introduce Merlin-Arthur (MA) automata where Merlin provides a certificate at the beginning of computation and it is scanned by Arthur before reading the input. We define Merlin-Arthur deterministic…

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Computer Science Preprint PDF DOI

RESAM: Requirements Elicitation and Specification for Deep-Learning Anomaly Models with Applications to UAV Flight Controllers

Md Nafee Al Islam, Yihong Ma, Pedro Alarcon Granadeno, Nitesh Chawla, Jane Cleland-Huang · 2022

CyberPhysical systems (CPS) must be closely monitored to identify and potentially mitigate emergent problems that arise during their routine operations. However, the multivariate time-series data whic…

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Computer Science Preprint PDF DOI

Failure Mechanism Traceability and Application in Human System Interface of Nuclear Power Plants using RESHA

Edward Chen, Han Bao, Tate Shorthill, Carl Elks, Nam Dinh · 2022

In recent years, there has been considerable effort to modernize existing and new nuclear power plants with digital instrumentation and control systems. However, there has also been considerable conce…

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Computer Science Preprint PDF DOI

Mostra: A Flexible Balancing Framework to Trade-off User, Artist and Platform Objectives for Music Sequencing

Emanuele Bugliarello, Rishabh Mehrotra, James Kirk, Mounia Lalmas · 2022

We consider the task of sequencing tracks on music streaming platforms where the goal is to maximise not only user satisfaction, but also artist- and platform-centric objectives, needed to ensure long…

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Computer Science Preprint PDF DOI

Balanced Wireless Crowd Charging with Mobility Prediction and Social Awareness

Tamoghna Ojha, Theofanis P. Raptis, Marco Conti, Andrea Passarella · 2022

The advancements in peer-to-peer wireless power transfer (P2P-WPT) have empowered the portable and mobile devices to wirelessly replenish their battery by directly interacting with other nearby device…

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Computer Science Preprint PDF DOI

HEAM: High-Efficiency Approximate Multiplier Optimization for Deep Neural Networks

Su Zheng, Zhen Li, Yao Lu, Jingbo Gao, Jide Zhang, Lingli Wang · 2022

We propose an optimization method for the automatic design of approximate multipliers, which minimizes the average error according to the operand distributions. Our multiplier achieves up to 50.24% hi…

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Computer Science Preprint PDF DOI

A Hierarchy of Network Models Giving Bistability Under Triadic Closure

Stefano Di Giovacchino, Desmond J. Higham, Konstantinos C. Zygalakis · 2021

Triadic closure describes the tendency for new friendships to form between individuals who already have friends in common. It has been argued heuristically that the triadic closure effect can lead to …

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