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VeGAn-Tool: A Fuzzy-logic Approach for Value-based Goal Model Analysis VeGAn-Tool:基于价值的目标模型分析模糊逻辑方法
Pub Date : 2024-04-23 DOI: arxiv-2404.16070
Carlos Cano-Genoves, Emilio Insfrán, Silvia Abrahão
Goal-oriented analysis tools are used to assess goal models and assistanalysts in decision-making. We introduce the VeGAn-Tool, which prioritizesgoals according to their qualitative importance for the stakeholders andpropagates this information in the goal model according to the different typesof relationships. The FTOPSIS technique is used to calculate the value of eachintentional element by employing the fuzzified importance (importance levelfuzzified and refined by a confidence level) and the impact among the relatedintentional elements. The result is a prioritized goal model according to thevalue of each intentional element from the stakeholders' point of view.
以目标为导向的分析工具用于评估目标模型和协助分析师进行决策。我们引入了 VeGAn 工具,该工具根据目标对利益相关者的定性重要性对目标进行优先排序,并根据不同类型的关系在目标模型中传播这些信息。FTOPSIS 技术通过使用模糊化的重要性(模糊化的重要性等级并通过置信度进行细化)和相关意向要素之间的影响来计算每个意向要素的价值。其结果是根据利益相关者视角下每个意向要素的价值确定优先级的目标模型。
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引用次数: 0
Stream State-tying for Sign Language Recognition 手语识别的流状态绑定
Pub Date : 2024-04-21 DOI: arxiv-2407.10975
Jiyong Ma, Wen Gao, Chunli Wang
In this paper, a novel approach to sign language recognition based on statetying in each of data streams is presented. In this framework, it is assumedthat hand gesture signal is represented in terms of six synchronous datastreams, i.e., the left/right hand position, left/right hand orientation andleft/right handshape. This approach offers a very accurate representation ofthe sign space and keeps the number of parameters reasonably small in favor ofa fast decoding. Experiments were carried out for 5177 Chinese signs. The realtime isolated recognition rate is 94.8%. For continuous sign recognition, theword correct rate is 91.4%. Keywords: Sign language recognition; Automatic signlanguage translation; Hand gesture recognition; Hidden Markov models;State-tying; Multimodal user interface; Virtual reality; Man-machine systems.
本文提出了一种基于各数据流静态化的手语识别新方法。在这一框架中,假定手势信号由六个同步数据流表示,即左/右手位置、左/右手方向和左/右手形状。这种方法能非常准确地表示符号空间,并保持合理的小参数数量,有利于快速解码。我们对 5177 个中文手势进行了实验。实时孤立识别率为 94.8%。对于连续符号识别,单词正确率为 91.4%。关键词手语识别;自动手语翻译;手势识别;隐马尔可夫模型;状态绑定;多模态用户界面;虚拟现实;人机系统。
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引用次数: 0
Promoting the linguistic diversity of TEI in the Maghreb and the Arab region 在马格里布和阿拉伯地区促进技术和经济教育指标(TEI)的语言多样性
Pub Date : 2024-04-16 DOI: arxiv-2404.10371
Henri HudrisierChaire Unesco-ITEN, Rachid ZghibiISD, Sihem ZghidiISD, Mokhtar Ben HendaMICA, ISD, GRESIC, ISIC, Chaire Unesco-ITEN
The project targets both oral corpus and the rich text resources written inthe Maghreb region. It focuses particularly on the continuity, for more than 12centuries, of a classical still alive Arabic language and on the extremehybridization of vernacular languages sustained by the rich Libyan, Roman,Hebrew and Ottoman influences and by the more recent French, Spanish andItalian linguistic interference. In short, the Maghreb is a place of extremelyabundant, but much unexploited, textual studies.
该项目针对马格里布地区的口述语料和丰富的文字资源。该项目尤其关注阿拉伯语这一经典语言 12 个多世纪以来的延续,以及利比亚语、罗马语、希伯来语和奥斯曼语的丰富影响和近代法语、西班牙语和意大利语的语言干扰对方言的极端混杂。总之,马格里布是一个文本研究资源极其丰富,但尚未得到充分利用的地方。
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引用次数: 0
Towards a Cloud-based Smart Office Solution for Shared Workplace Individualization 实现共享工作场所个性化的云智能办公解决方案
Pub Date : 2024-03-27 DOI: arxiv-2403.18883
Dominik Hasiwar, Andreas Gruber, Christian Dragschitz, Igor Ivkić
In the evolving landscape of workplace dynamics, the shift towards hybridworking models has highlighted inefficiencies in the use of traditional officespace and the need for an improved employee experience. In this position paperwe propose a Smart Office solution that addresses these challenges byintegrating a microservice architecture with Internet of Things (IoT)technologies to provide a flexible, personalized workspace environment. Theposition paper focuses on the technical implementation of this solution,including the design of a Workplace Environment Index (WEI) to monitor andimprove office conditions. By using cloud technology, IoT devices with sensors,and following a user-centred design, the proposed solution shows how SharedOpen Workspaces can be transformed into adaptive, efficient environments thatsupport the diverse needs of the modern workforce. This position paper pavesthe way for future experimentation in real-world office environments tovalidate the effectiveness of the Smart Office solution and provide insightsinto its potential to redefine the workplace for improved productivity andemployee satisfaction.
在不断变化的工作场所动态环境中,向混合工作模式的转变凸显了传统办公空间使用的低效率和改善员工体验的需求。在这份立场文件中,我们提出了一种智能办公室解决方案,通过将微服务架构与物联网(IoT)技术相结合,提供灵活、个性化的工作空间环境,从而应对这些挑战。本文重点介绍了该解决方案的技术实现,包括设计工作场所环境指数(WEI)来监控和改善办公条件。通过使用云技术和带有传感器的物联网设备,并遵循以用户为中心的设计理念,所提出的解决方案展示了如何将共享开放式工作空间转变为适应性强、高效的环境,以支持现代劳动力的不同需求。本立场文件为未来在真实办公环境中进行实验铺平了道路,以验证智能办公室解决方案的有效性,并深入了解其重新定义工作场所以提高生产力和员工满意度的潜力。
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引用次数: 0
Towards a Cost-Benefit Analysis of Additive Manufacturing as a Service 实现增材制造即服务的成本效益分析
Pub Date : 2024-03-27 DOI: arxiv-2403.18882
Igor Ivkić, Tobias Buhmann, Burkhard List, Clemens Gnauer
The landscape of traditional industrial manufacturing is undergoing a pivotalshift from resource-intensive production and long supply chains to moresustainable and regionally focused economies. In this evolving scenario, themove towards local, on-demand manufacturing is emerging as a remedy to theenvironmentally damaging practice of mass-producing products in distantcountries and then transporting them over long distances to customers. Thisparadigm shift significantly empowers customers, giving them greater controlover the manufacturing process by enabling on-demand production and favouringlocal production sites over traditional mass production and extensive shippingpractices. In this position paper we propose a cloud-native Manufacturing as aService (MaaS) platform that integrates advances in three-dimensional (3D)printing technology into a responsive and eco-conscious manufacturingecosystem. In this context, we propose a high-level architectural design for acloud-based MaaS platform that connects web shops of local stores with smalland medium-sized enterprises (SMEs) operating 3D printers. Furthermore, weoutline an experimental design, including a cost-benefit analysis, toempirically evaluate the operational effectiveness and economic feasibility ina cloud-based additive manufacturing ecosystem. The proposed cloud-based MaaSplatform enables on-demand additive manufacturing and opens up a profit sharingopportunity between different stakeholders.
传统工业制造的格局正在发生关键性转变,从资源密集型生产和漫长的供应链转向更可持续和以地区为重点的经济。在这种不断演变的情况下,本地化、按需制造正在成为一种补救措施,以取代在遥远国家大规模生产产品,然后长途运输到客户手中这种破坏环境的做法。这种模式的转变极大地增强了客户的能力,使他们能够按需生产,并使本地生产基地优于传统的大规模生产和大量运输做法,从而使他们能够更好地控制生产流程。在本立场文件中,我们提出了一个云原生制造即服务(MaaS)平台,该平台将三维(3D)打印技术的进步集成到一个反应灵敏、具有生态意识的制造生态系统中。在此背景下,我们提出了一个基于云的制造即服务(MaaS)平台的高级架构设计,该平台将本地商店的网店与经营三维打印机的中小型企业(SMEs)连接起来。此外,我们还概述了一种实验设计,包括成本效益分析,以便对基于云的增材制造生态系统的运营有效性和经济可行性进行经验评估。所提出的基于云的 MaaSplatform 实现了按需增材制造,并为不同利益相关者提供了分享利润的机会。
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引用次数: 0
New algorithms for the simplification of multiple trajectories under bandwidth constraints 带宽限制下简化多轨迹的新算法
Pub Date : 2024-03-07 DOI: arxiv-2403.04821
Gilles Dejaegere, Mahmoud Sakr
This study introduces time-windowed variations of three establishedtrajectory simplification algorithms. These new algorithms are specificallydesigned to be used in contexts with bandwidth limitations. We present thedetails of these algorithms and highlight the differences compared to theirclassical counterparts. To evaluate their performance, we conduct accuracy assessments for varyingsizes of time windows, utilizing two different datasets and exploring differentcompression ratios. The accuracies of the proposed algorithms are compared withthose of existing methods. Our findings demonstrate that, for larger timewindows, the enhanced version of the bandwidth-constrained STTrace outperformsother algorithms, with the bandwidth-constrained improved version of squishalso yielding satisfactory results at a lower computational cost. Conversely,for short time windows, only the bandwidth-constrained version of DeadReckoning remains satisfactory.
本研究介绍了三种既定轨迹简化算法的时间窗口变体。这些新算法专门设计用于带宽受限的情况。我们介绍了这些算法的细节,并强调了与经典算法的不同之处。为了评估这些算法的性能,我们利用两个不同的数据集和不同的压缩比,对不同大小的时间窗口进行了精度评估。建议算法的准确度与现有方法的准确度进行了比较。我们的研究结果表明,对于较大的时间窗口,带宽受限的 STTrace 增强版优于其他算法,而带宽受限的 squish 改进版也能以较低的计算成本获得令人满意的结果。相反,对于短时间窗口,只有带宽受限的 DeadReckoning 版本仍然令人满意。
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引用次数: 0
Urban Green Index estimation based on data collected by remote sensing for Romanian cities 根据遥感技术收集的罗马尼亚城市数据估算城市绿色指数
Pub Date : 2024-02-28 DOI: arxiv-2402.18618
Marian Necula, Tudorel Andrei, Bogdan Oancea, Mihaela Păun
The modernization of offi cial statistics involves the use of new datasources, such as data collected through remote sensing. The document contains adescription of how an urban green index, derived from the SDG 11.7 objective,was obtained for Romania's 41 county seat cities based on free data setscollected by remote sensing from the European and North American spaceagencies. The main result is represented by an estimate of the areas ofsurfaces covered with vegetation for the 40 county seat towns and themunicipality of Bucharest, relative to the total surface. To estimate the areacovered with vegetation, we used two data sets obtained by remote sensing,namely data provided by the MODIS mission, the TERRA satellite, and dataprovided by the Sentinel 2 mission from the Copernicus space program. Based onthe results obtained, namely the surface area covered with vegetation,estimated in square kilometers, and the percentage of the total surface area orurban green index, we have created a national top of the county seat cities
官方统计的现代化涉及到新数据源的使用,如通过遥感收集的数据。本文件介绍了如何根据可持续发展目标 11.7 的目标,在欧洲和北美空间机构通过遥感收集的免费数据集的基础上,为罗马尼亚的 41 个县级城市获得城市绿色指数。主要结果是估算了 40 个县城和布加勒斯特市植被覆盖面积占总面积的比例。为了估算植被覆盖面积,我们使用了两套遥感数据,即 MODIS 任务和 TERRA 卫星提供的数据,以及哥白尼太空计划哨兵 2 号任务提供的数据。根据所获得的结果,即以平方公里为单位估算的植被覆盖面积,以及植被覆盖面积占总面积的百分比或城市绿化指数,我们创建了全国县级城市的顶层设计。
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引用次数: 0
An IoT Based Water-Logging Detection System: A Case Study of Dhaka 基于物联网的水渍检测系统:达卡案例研究
Pub Date : 2024-02-25 DOI: arxiv-2403.18949
Md Manirul Islam, Md. Sadad Mahamud, Umme Salsabil, A. A. M. Mazharul Amin, Samiul Haque Suman
With a large number of populations, many problems are rising rapidly inDhaka, the capital city of Bangladesh. Water-logging is one of the major issuesamong them. Heavy rainfall, lack of awareness and poor maintenance causes badsewerage system in the city. As a result, water is overflowed on the roads andsometimes it gets mixed with the drinking water. To overcome this problem, thispaper realizes the potential of using Internet of Things to combatwater-logging in drainage pipes which are used to move wastes as well asrainwater away from the city. The proposed system will continuously monitorreal time water level, water flow and gas level inside the drainage pipe.Moreover, all the monitoring data will be stored in the central database forgraphical representation and further analysis. In addition to that if anyemergency arises in the drainage system, an alert will be sent directly to thenearest maintenance office.
由于人口众多,孟加拉国首都达卡的许多问题正在迅速增加。积水是其中的一个主要问题。暴雨、缺乏意识和维护不善导致城市下水道系统不畅。因此,积水会溢出路面,有时还会与饮用水混合。为了解决这个问题,本文认识到了利用物联网来解决排水管道堵塞问题的潜力,排水管道是用来将垃圾和雨水排出城市的。此外,所有监测数据都将存储在中央数据库中,以便进行图形显示和进一步分析。此外,如果排水系统出现任何紧急情况,警报将直接发送到最近的维护办公室。
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引用次数: 0
Design of an Analog Memory Cell in 0.25 micron CMOS process 采用 0.25 微米 CMOS 工艺设计模拟存储单元
Pub Date : 2024-02-04 DOI: arxiv-2402.14822
Paramita Barai
CMOS VLSI technology is the most dominant integration methodology prevailingin the world today. Various signal-processing blocks are made using analog ordigital design techniques in MOS VLSI. An important component is the Memoryunit used to store data. In the project a memory cell has been built up usinganalog design method. A capacitor is used as the basic storage device. The mainidea behind analog memory is that the analog value of the charge or voltagestored in the capacitor is the data stored. So the dielectric quality of thecapacitor becomes important here to determine how effectively it can store somecharge. Analog memory is a trade off between hardware cost, chip area andaccuracy or quality of storage. The circuit of analog memory cell was developedstarting from the idea that required voltage will be stored in a capacitor andMOS transistors were used as switches. A given technology of integration wasused and hence the dielectric property of the capacitor was fixed. By suitablecircuit configuration the analog voltage value was written to the capacitor,read out when required and the charge loss was also refreshed. The resultsobtained are as given in the thesis.
CMOS VLSI 技术是当今世界最主流的集成方法。在 MOS VLSI 中,各种信号处理模块都是利用模拟数字设计技术制造的。其中一个重要组件是用于存储数据的存储单元。在该项目中,使用模拟设计方法建立了一个存储单元。电容器被用作基本的存储设备。模拟存储器背后的主要理念是,电容器中电荷或电压的模拟值就是存储的数据。因此,电容器的介电质量就变得非常重要,它决定了电容器存储电荷的效率。模拟存储器需要在硬件成本、芯片面积和存储精度或质量之间进行权衡。模拟存储单元的电路是根据所需电压将存储在电容器中并使用 MOS 晶体管作为开关的想法开发的。由于采用了特定的集成技术,因此电容器的介电性质是固定的。通过适当的电路配置,模拟电压值被写入电容器,并在需要时读出,同时刷新电荷损耗。论文中给出了获得的结果。
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引用次数: 0
Selenium-Jupiter: A JUnit 5 extension for Selenium WebDriver Selenium-JupiterSelenium WebDriver 的 JUnit 5 扩展
Pub Date : 2024-02-01 DOI: arxiv-2402.01480
Boni García, Carlos Delgado Kloos, Carlos Alario-Hoyos, Mario Munoz-Organero
Selenium WebDriver is a library that allows controlling web browsers (e.g.,Chrome, Firefox, etc.) programmatically. It provides a cross-browserprogramming interface in several languages used primarily to implementend-to-end tests for web applications. JUnit is a popular unit testingframework for Java. Its latest version (i.e., JUnit 5) provides a programmingand extension model called Jupiter. This paper presents Selenium-Jupiter, anopen-source JUnit 5 extension for Selenium WebDriver. Selenium-Jupiter aims toease the development of Selenium WebDriver tests thanks to an automated drivermanagement process implemented in conjunction with the Jupiter parameterresolution mechanism. Moreover, Selenium-Jupiter provides seamless integrationwith Docker, allowing the use of different web browsers in Docker containersout of the box. This feature enables cross-browser testing, load testing, andtroubleshooting (e.g., configurable session recordings). This paper presents anexample case in which Selenium-Jupiter is used to evaluate the performance ofvideo conferencing systems based on WebRTC. This example case shows thatSelenium-Jupiter can build and maintain the required infrastructure for complextests effortlessly.
Selenium WebDriver 是一个允许以编程方式控制网络浏览器(如 Chrome、Firefox 等)的库。它提供多种语言的跨浏览器编程接口,主要用于实现网络应用程序的端到端测试。JUnit 是一种流行的 Java 单元测试框架。其最新版本(即 JUnit 5)提供了一个名为 Jupiter 的编程和扩展模型。本文介绍的 Selenium-Jupiter 是 Selenium WebDriver 的开源 JUnit 5 扩展。Selenium-Jupiter 的目标是通过结合 Jupiter 参数解决机制实施的自动化驱动管理流程,简化 Selenium WebDriver 测试的开发。此外,Selenium-Jupiter 还与 Docker 无缝集成,允许在 Docker 容器中使用不同的网络浏览器。这一功能实现了跨浏览器测试、负载测试和故障排除(例如,可配置的会话记录)。本文介绍了一个使用 Selenium-Jupiter 评估基于 WebRTC 的视频会议系统性能的示例案例。该示例表明,Selenium-Jupiter 可以毫不费力地构建和维护完整测试所需的基础架构。
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引用次数: 0
期刊
arXiv - CS - Other Computer Science
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