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MRI-based Alzheimer’s disease classification using Vision Transformer and time-series transformer: A step-by-step guide 基于mri的阿尔茨海默病分类使用视觉变压器和时间序列变压器:一步一步的指南
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-06-10 DOI: 10.1016/j.simpa.2025.100771
Sait Alp , Sara Akan , Taymaz Akan , Mohammad Alfrad Nobel Bhuiyan
This study introduces a reproducible pipeline for classifying Alzheimer’s Disease from structural brain MRI utilizing a joint transformer architecture that integrates Vision Transformer and Time-Series Transformer models. The proposed framework uses pre-trained ViT for feature extraction from 2D slices of MRI volumes, followed by sequential modeling with a transformer-based classifier to capture inter-slice dependencies. The method is evaluated on the ADNI dataset, involving both binary (AD vs. NC) and multiclass (AD, MCI, NC) classification tasks across axial, sagittal, and coronal planes.
本研究介绍了一种可重复的管道,利用集成视觉变压器和时间序列变压器模型的联合变压器架构,从结构脑MRI中对阿尔茨海默病进行分类。所提出的框架使用预训练的ViT从MRI体积的二维切片中提取特征,然后使用基于变压器的分类器进行顺序建模以捕获切片间的依赖关系。该方法在ADNI数据集上进行了评估,包括二元(AD vs. NC)和多类别(AD, MCI, NC)跨轴向,矢状面和冠状面分类任务。
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引用次数: 0
GD4Shapes: Geodesic distance with fixed parameterization for 2D Shapes GD4Shapes: 2D形状的固定参数化测地线距离
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-06-10 DOI: 10.1016/j.simpa.2025.100775
S. Herold-Garcia , H.L. Varona-Gonzalez , X. Gual-Arnau
Shape analysis within shape space provides a robust framework for examining geometric properties of objects, enabling comparisons invariant to translation, rotation, and scaling. A key task is computing geodesic distances between shapes, which quantify similarity but are computationally intensive due to the need for exhaustive parameterization searches. Recent advancements propose heuristic methods to simplify these computations, such as fixing parameterizations based on the major axis of shapes, significantly reducing computational costs while maintaining high accuracy (e.g., 96.03% in erythrocyte classification). This article introduces a software tool that leverages this heuristic to efficiently compute shape-space distances, aligning shapes considering their major axis, and using templates like circles and ellipses. The tool accelerates morphological analysis, making it ideal for high performance applications in fields like biology and medicine. By streamlining the computation of geodesic distances between shapes and enabling rapid retrieval of information, this software improves research workflows and supports the study of shape-dependent features in diverse fields from cellular morphology to diagnostic hematology.
形状空间中的形状分析为检查对象的几何属性提供了一个健壮的框架,使比较不受平移、旋转和缩放的影响。一项关键任务是计算形状之间的测地线距离,这可以量化相似性,但由于需要穷举参数化搜索,计算量很大。最近的进展提出了启发式方法来简化这些计算,例如基于形状的主轴固定参数化,在保持高精度的同时显着降低计算成本(例如,红细胞分类的96.03%)。本文介绍了一个软件工具,它利用这种启发式来有效地计算形状空间距离,根据形状的长轴对齐形状,并使用圆形和椭圆等模板。该工具加速形态分析,使其成为生物学和医学等领域高性能应用的理想选择。通过简化形状之间测地线距离的计算和实现信息的快速检索,该软件改善了研究工作流程,并支持从细胞形态学到血液学诊断等不同领域的形状相关特征的研究。
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引用次数: 0
ESCOX: A tool for skill and occupation extraction using LLMs from unstructured text ESCOX:一个使用llm从非结构化文本中提取技能和职业的工具
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-06-10 DOI: 10.1016/j.simpa.2025.100772
Dimitrios Christos Kavargyris , Konstantinos Georgiou , Eleanna Papaioannou , Konstantinos Petrakis , Nikolaos Mittas , Lefteris Angelis
ESCOX, also known as ESCOSkillExtractor, is an open-source, non-proprietary tool for identifying and classifying skills, skillsets, and occupations from job postings and general text. It utilizes the European Skills, Competences, Qualifications and Occupations (ESCO) taxonomy to structure extraction, addressing the need for taxonomy-aligned skill identification in unstructured labor market data. Developed within the SKILLAB EU Horizon project, ESCOX combines LLMs and text embeddings to map content to standardized categories. It offers a user-friendly graphical interface for researchers, educators, and HR professionals, supporting skills gap analysis, training, recruitment, and policy planning, and contributing to the development of a skills-based economy.
ESCOX,也被称为ESCOSkillExtractor,是一个开源、非专有的工具,用于从招聘启事和一般文本中识别和分类技能、技能集和职业。它利用欧洲技能、能力、资格和职业(ESCO)分类法进行结构提取,解决了在非结构化劳动力市场数据中对分类一致的技能识别的需求。ESCOX是在SKILLAB EU Horizon项目中开发的,它结合了法学硕士和文本嵌入,将内容映射到标准化类别。它为研究人员、教育工作者和人力资源专业人员提供了一个用户友好的图形界面,支持技能差距分析、培训、招聘和政策规划,并为技能经济的发展做出贡献。
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引用次数: 0
A practical open-source approach to Model Predictive Control using the Legendre–Gauss–Radau pseudospectral method 一个实用的开源方法模型预测控制使用legende - gauss - radau伪谱方法
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-05-22 DOI: 10.1016/j.simpa.2025.100769
Saeid Bayat, James T. Allison
In a world increasingly reliant on technologies that sense and respond to their environment – from thermostats to energy grids – predictive capabilities are critical. However, uncertainties and complexity often hinder the adoption of advanced strategies like Model Predictive Control (MPC), leading many industries to rely on simpler, less effective methods. This paper presents a practical, open-source software tool based on the Legendre–Gauss–Radau pseudospectral method, designed to streamline MPC implementation. The software handles dynamics, constraints, and objectives efficiently while supporting black-box systems. A case study in this paper demonstrates its effectiveness, with additional examples in the supplementary material validating its versatility.
在一个越来越依赖于感知和响应环境的技术的世界——从恒温器到电网——预测能力至关重要。然而,不确定性和复杂性往往阻碍了模型预测控制(MPC)等先进策略的采用,导致许多行业依赖于更简单、更低效的方法。本文提出了一个实用的开源软件工具,基于legende - gauss - radau伪谱方法,旨在简化MPC的实现。该软件在支持黑盒系统的同时有效地处理动态、约束和目标。本文中的一个案例研究证明了它的有效性,补充材料中的其他示例验证了它的通用性。
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引用次数: 0
Reconstructing software evolution: Traceability from code commits to fault manifestation in CI 重构软件演化:从代码提交到CI中的错误表现的可追溯性
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-05-19 DOI: 10.1016/j.simpa.2025.100767
Azeem Ahmad , Muhammad Rashid Naeem , Yasir Javed , Mohammad Akour
This paper presents Eiffel-Store, an open-source tool for real-time traceability in Continuous Integration (CI) pipelines. Unlike traditional batch visualization tools, Eiffel-Store dynamically visualizes live Eiffel events from CI tools (e.g., Jenkins) using MongoDB and Meteor.js. It supports incremental updates, enabling users to trace faults back to specific commits across the pipeline. Events can be streamed from RabbitMQ or added manually, offering flexibility for diverse workflows. By connecting code changes to final product faults, Eiffel-Store improves transparency, debugging, and quality assurance. The tool has been tested with industry partners and is available publicly to promote adoption and further development.
本文介绍了Eiffel-Store,一个用于持续集成(CI)管道实时跟踪的开源工具。与传统的批处理可视化工具不同,Eiffel- store使用MongoDB和Meteor.js动态地可视化来自CI工具(例如Jenkins)的实时Eiffel事件。它支持增量更新,使用户能够通过管道将错误追溯到特定的提交。事件可以从RabbitMQ流化或手动添加,为不同的工作流提供灵活性。通过将代码更改与最终产品错误联系起来,Eiffel-Store提高了透明度、调试和质量保证。该工具已经过行业合作伙伴的测试,并公开提供,以促进采用和进一步开发。
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引用次数: 0
HoloFarm: Enhancing agricultural learning through immersive technology HoloFarm:通过沉浸式技术增强农业学习
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-05-15 DOI: 10.1016/j.simpa.2025.100768
Muhamad Keenan Ario , Muhammad Fikri Hasani , Khairatul Balqis , Messya Carment
Extended reality in education has advanced, offering safe, immersive simulations. Agriculture, a key area, lacks urban exposure. HoloFarm, a VR-based farming simulation, addresses this gap using Unity and C#. It integrates physical movement, joystick navigation, and spatial audio for crop cultivation. Evaluated with 27 urban users via the Igroup Presence Questionnaire, it showed strong spatial (M=5.59) and general presence (M=5.81), though realism (M=4.10) and involvement (M=4.77). Future updates will enhance realism and enable collaborative learning, bridging theoretical and practical agricultural knowledge.
教育领域的扩展现实已经取得了进展,提供了安全、身临其境的模拟。农业,一个关键领域,缺乏城市暴露。HoloFarm,一个基于vr的农业模拟,使用Unity和c#解决了这个问题。它集成了物理运动、操纵杆导航和作物种植的空间音频。通过iggroup存在感问卷对27名城市用户进行了评估,结果显示,该网站具有很强的空间性(M=5.59)和总体存在性(M=5.81),但具有现实性(M=4.10)和参与性(M=4.77)。未来的更新将增强现实性,使协作学习成为可能,连接理论和实践农业知识。
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引用次数: 0
EduXgame: Gamified learning for secondary education EduXgame:中学教育的游戏化学习
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-05-05 DOI: 10.1016/j.simpa.2025.100761
Achour Khaoula , Lachgar Mohamed , Elloubab Aya , Ait Ouahda Younes , Laanaoui My Driss , Ourahay Mustapha
EduXgame is a gamified mobile application designed to enhance the learning experience of secondary education students. The application integrates AI-driven content generation, gamification features, and interactive learning tools such as quizzes, flipcards, and matching games. It provides educators with a web interface to upload chapters, which are processed by an AI model to generate learning material dynamically. eduXgame transforms traditional learning methods into engaging, competitive, and interactive experiences, making education more accessible and enjoyable for students.
EduXgame是一款游戏化的流动应用程式,旨在提升中学学生的学习体验。该应用程序集成了人工智能驱动的内容生成、游戏化功能和交互式学习工具,如测验、flipcards和匹配游戏。它为教育工作者提供了一个网络界面来上传章节,这些章节由人工智能模型处理,动态生成学习材料。eduXgame将传统的学习方法转变为参与、竞争和互动的体验,让学生更容易接受和享受教育。
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引用次数: 0
TextRegress: A Python package for advanced regression analysis on long-form text data texttregress:一个Python包,用于对长格式文本数据进行高级回归分析
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-05-05 DOI: 10.1016/j.simpa.2025.100760
Jinhang Jiang , Ben Liu , Weiyao Peng , Karthik Srinivasan
TextRegress is an open-source Python package that leverages state-of-the-art deep learning techniques to perform regression analysis on long-form text data. Departing from conventional text mining tools that are confined to classification, sentiment, or readability metrics, TextRegress provides a unified framework for conducting predictive modeling of continuous outcomes. By integrating advanced encoding methods – including transformer-based embeddings, TF-IDF, and pre-trained Hugging Face models – with a robust PyTorch Lightning backend, TextRegress efficiently processes long texts through automatic chunking and dynamic feature integration. Its flexible architecture and customizable training paradigms empower researchers and practitioners across diverse domains to deploy sophisticated regression models, fostering reproducibility and accelerating innovation in text analytics.
TextRegress是一个开源Python包,它利用最先进的深度学习技术对长格式文本数据执行回归分析。与局限于分类、情感或可读性度量的传统文本挖掘工具不同,TextRegress提供了一个统一的框架,用于对连续结果进行预测建模。通过将先进的编码方法(包括基于变压器的嵌入、TF-IDF和预训练的hug Face模型)与健壮的PyTorch Lightning后端集成,TextRegress通过自动分块和动态特征集成有效地处理长文本。其灵活的体系结构和可定制的培训范例使不同领域的研究人员和实践者能够部署复杂的回归模型,促进文本分析的可重复性和加速创新。
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引用次数: 0
PINNs-MPF: An Efficient Physics-Informed Machine Learning-based Solver for Multi-Phase-Field Simulations using Tensorflow pass - mpf:一个高效的基于物理信息的基于机器学习的求解器,用于使用Tensorflow进行多相场模拟
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-05-02 DOI: 10.1016/j.simpa.2025.100753
Seifallah Elfetni , Reza Darvishi Kamachali
This paper introduces PINNs-MPF, a novel Machine Learning-based solver designed for Multi-Phase-Field (MPF) and diffuse interface simulations, offering innovative approaches to address complex challenges in addressing microstructure evolution in polycrystalline materials using Machine Learning. The framework not only surpasses current limitations in handling multi-phase problems but also allows for potential upscaling to tackle more intricate scenarios. Developed in Python, the related code leverages optimized libraries like TensorFlow, showcasing efficiency and potential scalability in materials science and engineering simulations. This framework, integrating advanced techniques such as multi-networking and training optimization, setting a new standard in predictive capabilities and understanding complex physical phenomena.
本文介绍了pons -MPF,一种新型的基于机器学习的求解器,专为多相场(MPF)和扩散界面模拟而设计,为利用机器学习解决多晶材料微观结构演变的复杂挑战提供了创新的方法。该框架不仅超越了当前处理多阶段问题的限制,而且还允许潜在的升级来处理更复杂的场景。用Python开发的相关代码利用了TensorFlow等优化库,展示了材料科学和工程模拟的效率和潜在的可扩展性。该框架集成了多网络和训练优化等先进技术,为预测能力和理解复杂物理现象设定了新标准。
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引用次数: 0
MedRoPax: A comprehensive software for solving heterogeneous vehicle routing problem with 3D loading constraints and cardboard box packing for medical supply distribution MedRoPax:一款综合软件,用于解决医疗用品配送中具有3D装载约束和纸箱包装的异构车辆路线问题
IF 1.3 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING Pub Date : 2025-04-30 DOI: 10.1016/j.simpa.2025.100763
Rudy Prietno , Santana Yuda Pradata , Raka Satya Prasasta , Gemilang Santiyuda , Muhammad Alfian Amrizal , Tri Kuntoro Priyambodo , Vincent F. Yu
Distributing medical supplies involves complex logistical challenges, including the need for optimized delivery routes and efficient packing. Medicines, whether ordered in small quantities or in bulk, are packed into cardboard boxes, which affect cargo dimensions, loading plans, and available delivery routes. Additionally, some medicines require refrigeration, making it necessary to coordinate both reefer and standard trucks. This study introduces MedRoPax, a comprehensive software solution designed to address these challenges. MedRoPax solves the 3D Loading Heterogeneous Vehicle Routing Problem (3LHVRP) and provides user-friendly tools for packing, loading visualization, and route planning. While tailored for medical supply distribution, MedRoPax is also well-suited for other logistics operations that demand both efficiency and safety.
分发医疗用品涉及复杂的后勤挑战,包括需要优化配送路线和高效包装。无论是小批量订购还是批量订购,药品都被包装在纸板箱中,这会影响货物尺寸、装载计划和可用的运输路线。此外,有些药品需要冷藏,因此必须协调冷藏箱和标准卡车。本研究介绍了MedRoPax,一个全面的软件解决方案,旨在解决这些挑战。MedRoPax解决了3D装载异构车辆路径问题(3LHVRP),并提供了用户友好的打包、装载可视化和路径规划工具。MedRoPax是为医疗用品配送量身定制的,同时也非常适合其他对效率和安全都有要求的物流业务。
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引用次数: 0
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Software Impacts
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