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Study of the impact of timer on network conference and cpu processing performance when implementing ospf-v3 in ipv6 network 研究在ipv6网络中实现ospf-v3时定时器对网络会议和cpu处理性能的影响
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2022nt19
LE Hoang Hiep, HO Mau Viet, DUONG Thi Quy, TRAN Thi Yen, NGUYEN Thi Bich Nga, NGUYEN Quoc Tuan
Hiện nay giao thức định tuyến Open Shortest Path First (OSPF) được sử dụng rất phổ biến trong hạ tầng mạng IPv6. OSPF sử dụng nhiều kiểu Timer để giảm lượng bản tin Overhead. Các giá trị Timer này đảm bảo rằng OSPF chỉ mất vài giây để khôi phục lại các kết nối bị hỏng. Các yếu tố như sự hội tụ mạng và mức độ sử dụng hiệu suất CPU (Central Processing Unit ) bị ảnh hưởng rất lớn từ việc thay đổi giá trị bộ định thời Timer. Mục tiêu của bài báo là sử dụng công cụ mô phỏng với các giá trị đầu vào cụ thể dựa trên đề xuất để đưa ra kết quả định lượng về sự ảnh hưởng của bộ định thời Timer. Kết quả nghiên cứu cho thấy, với giá trị bộ định thời Timer để ở mức cao sẽ làm quá trình hội tụ mạng chậm hơn và mức độ sử dụng tài nguyên bộ vi xử lý CPU cao hơn, trong khi với giá trị bộ định thời Timer nhỏ hơn sẽ đảm bảo việc hội tụ mạng nhanh hơn và sử dụng tài nguyên CPU ít hơn.
目前,开放最短路径第一路由协议(OSPF)在IPv6网络基础设施中非常流行。OSPF使用不同类型的计时器来减少开销。这些定时器值确保OSPF只需要几秒钟就能恢复损坏的连接。诸如网络收敛性和中央处理单元性能等因素都受到定时值变化的很大影响。本文的目的是使用基于建议的特定输入值的模拟工具来给出定时器影响的定量结果。研究结果表明,如果定时器值较高,则网络收敛速度较慢,CPU微处理器资源利用率较高,而定时器值较低,则保证网络收敛速度更快,CPU资源利用率较低。
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引用次数: 0
SURVEYING THE PROFESSIONAL COMPETENCIES OF STUDENTS GRADUATING FROM THE PRIMARY EDUCATION MAJOR, BENEFITING FROM CDIO-BASED TRAINING PROGRAM AT VINH UNIVERSITY 调查从初等教育专业毕业的学生的专业能力,受益于以cdio为基础的培训计划在越南大学
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2023b027
CHU Thi Ha Thanh, NGUYEN Tram Anh
The university training program according to the CDIO approach is built in the direction of developing learners' qualities and capacities through a scientific, logical and measurable learning-outcome system. As the first course to benefit from the CDIO approach training program at the University, 120 students of K58 need to be surveyed and evaluated on their professional competencies to evaluate the effectiveness of the training program after one cycle of application, which is the basis for promptly improving and adjusting the training program. This study conducted a survey of these graduates on four groups of professional competencies. The obtained results reflect the improvement in training quality of the Primary Education sector, and at the same time serve as a practical basis for activities to improve and develop primary school teacher training programs in the future, to meet the innovation requirements of the country's education in the context of industrialization, modernization of the country and international integration.
基于CDIO方法的大学培训计划是在通过科学、逻辑和可衡量的学习成果系统来发展学习者的素质和能力的方向上建立的。K58作为我校第一个受益于CDIO方法培训项目的课程,在一个周期的应用后,需要对120名学员的专业能力进行调查和评估,以评估培训项目的有效性,这是及时改进和调整培训项目的依据。本研究对这些毕业生进行了四组专业能力的调查。所得结果反映了小学教育部门培训质量的提高,同时也为今后改进和发展小学教师培训计划的活动提供了实践依据,以满足国家工业化、现代化和国际一体化背景下国家教育创新的要求。
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引用次数: 0
RESEARCH ON THE APPLICATION OF ARTIFICIAL INTELLIGENCE TECHNIQUES IN PRICE FORECASTING OF SOME COMMODITIES 人工智能技术在部分商品价格预测中的应用研究
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2023a082
NGUYEN Thai Son
The global economy is significantly impacted by changes in the price of primary commodities. As a result, both the academic and professional sectors have paid attention to price predictions for major commodities. The goal of this study is to build an artificial intelligence-based model for one-day market price predictions for important commodities like copper, crude oil, gas, and silver. The information on commodity trading was gathered between 01/2000 and 10/2019. Different models based on group method of data handling (GMDH), long short-term memory (LSTM), artificial neural network (ANN), and adaptive neuro fuzzy inference system (ANFIS) were developed. Theil's U, RMSE, MAPE, MAE, R, and other performance indices were used to compare the models. The findings demonstrated that, in terms of commodity price prediction, the suggested model based on GMDH technique performs better than alternative approaches. A viable alternative for price prediction is the GMDH-based model. For economists and professionals involved in commodity price forecasting, the GMDH can be a useful tool.
全球经济受到初级商品价格变化的重大影响。因此,学术界和专业部门都关注主要大宗商品的价格预测。这项研究的目标是建立一个基于人工智能的模型,用于预测铜、原油、天然气和白银等重要商品的单日市场价格。有关商品交易的资料收集于2000年1月1日至2019年10月。基于分组数据处理方法(GMDH)、长短期记忆(LSTM)、人工神经网络(ANN)和自适应神经模糊推理系统(ANFIS)建立了不同的模型。采用Theil’s U、RMSE、MAPE、MAE、R等性能指标对模型进行比较。研究结果表明,在商品价格预测方面,基于GMDH技术的建议模型优于其他方法。一个可行的价格预测替代方案是基于gmdh的模型。对于从事大宗商品价格预测的经济学家和专业人士来说,GMDH是一个有用的工具。
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引用次数: 0
CURRENT STATUS OF MANAGING PROFESSIONAL CAPACITY DEVELOPMENT ACTIVITIES FOR TEACHERS IN HO CHI MINH CITY PRIMARY SCHOOLS TO MEET THE 2018 GENERAL EDUCATION PROGRAM 胡志明市小学教师专业能力发展活动的管理现状,以满足2018年通识教育计划
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2023b031
PHAN Thai Hiep
Managing professional capacity development activities for primary school teachers is one of the factors to ensure the successful implementation of the 2018 General Education Program. This article focuses on analyzing the current activity management in Ho Chi Minh City’s primary schools in 3 typical districts in terms of: managing capacity development for lesson planning; managing capacity development using educational methods; managing capacity development using student assessment methods and techniques; Managing capacity development of counseling and student support; managing capacity development of building an educational environment; managing capacity development of coordination between school, family and society in educating students; managing the development of teachers' ability to use foreign languages and information technology; managing the conditions to ensure effective professional capacity development activities for teachers. Thereby, clearly identifying the limitations in management work, establish a premise to create measures to manage professional capacity development activities for primary school teachers in Ho Chi Minh City to meet the 2018 General Education Program.
管理好小学教师的专业能力发展活动是确保2018年通识教育计划成功实施的因素之一。本文着重分析了胡志明市3个典型区小学的活动管理现状:课程规划管理能力建设;利用教育方法管理能力发展;利用学生评估方法和技术管理能力发展;管理辅导和学生支持的能力发展;建设教育环境的管理能力建设管理学生教育中学校、家庭和社会协调能力的发展管理教师外语和信息技术能力的培养;管理条件,以确保有效的教师专业能力发展活动。因此,清楚地认识到管理工作的局限性,为制定措施管理胡志明市小学教师的专业能力发展活动建立前提,以满足2018年通识教育计划。
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引用次数: 0
DESIGNING MULTIMEDIA LEARNING RESOURCES IN TEACHING WRITTING INFORMATIONAL TEXTS FOR HIGH SCHOOL STUDENTS 高中学生信息性写作教学中多媒体学习资源的设计
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2023b035
NGUYEN Thi Xuan Quynh, TRAN Thi Huong Giang, NGUYEN Khanh Huyen
Designing multimedia learning resources for teaching writing informational texts in the Language of Arts is a new approach to promoting learners' active activeness and creative thinking. In this article, we will approach the problem by analyzing the advantages of integrating information technology and the roles of multimedia learning resources in teaching and writing informational texts - one factual text type. From there, the article proposes some orientations and processes for designing multimedia learning resources in teaching writing informational texts approaching the process to meet the requirements and content of the General Education Curriculum in the Language of Arts (2018).
设计多媒体学习资源进行文科信息性课文写作教学,是提高学生主动性和创造性思维的新途径。在本文中,我们将通过分析整合信息技术的优势和多媒体学习资源在教学和编写信息文本(一种事实文本类型)中的作用来解决这个问题。在此基础上,本文提出了在写作信息文本教学中设计多媒体学习资源的一些方向和过程,以接近于满足艺术语言通识教育课程(2018)的要求和内容。
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引用次数: 0
IMPROVING THE QUALITY OF TRAINING AND FOSTERING CADRES AT NGHE AN POLITICS SCHOOL TO MEET THE REQUIREMENTS FOR LEVEL 1 POLITICS SCHOOLS 提高河南政校干部培养质量,满足一级政校办学要求
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2023b007
PHAN Tien Dung, NGUYEN Nhu An
Since the Central Committee of Communist Party of Vietnam enacted Regulation 09-QĐ/TW (dated on 13th November 2018) that mandates rules on the functions, duties and structures of provincial politics schools, the personnel and human resources management at these schools has improved significantly. However, the schools have had to face and deal with a variety of difficulties and challenges. It is therefore crucial for them to improve the quality of professional development activities for the personnel and human resources at different levels. This is the key element that helps the schools meet the requirements for the targeted level. This approach has been implemented thoroughly and systematically at Nghe An Politics School.
越南共产党中央委员会于2018年11月13日颁布了《09-QĐ/TW号条例》,规定了省级政治学校的职能、职责和结构,自那以来,这些学校的人事和人力资源管理得到了显著改善。然而,学校不得不面对和应对各种各样的困难和挑战。因此,它们必须提高不同级别人员和人力资源的专业发展活动的质量。这是帮助学校达到目标水平要求的关键因素。这一方法在义安政治学校得到了彻底和系统的实施。
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引用次数: 0
CURRENT SITUATION OF CULTURE AND PRODUCTION OF PORTUGUESE OYSTERS (CRASSOSTREA ANGULATA) IN VIETNAM 越南葡萄牙牡蛎养殖与生产现状
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2023b030
VU Van Sang
Portuguese oyster (Crassostrea angulata) is a commercial cultured mollusc which has high economic value due to high growth rate and survival rate. The rapid development of Portuguese oyster aquaculture industry results in some challenges such as shortages of high-quality spat. Spat were imported or reproduced from well-uncontrolled broodstock; leading to disease risk and genetic diversity loss. In addition, spat spawning cycle of Portuguese oysters also has some limitations. Therefore, to close seed production process is one essential step to design culturing areas for sustainable development of oyster industry in Vietnam. This study collected data from Northern, Central and Southern provinces of Vietnam supplied by Department of Agriculture and Rural Development of coastal provinces and Ministry of Agriculture and Rural Development, Vietnam. This article also presents limitations, challenges, and solutions to improve and develop the close seed production cycle of Portuguese oysters in Vietnam.
葡萄牙牡蛎(Crassostrea angulata)是一种商业养殖的软体动物,具有较高的生长率和成活率,具有很高的经济价值。葡萄牙牡蛎养殖业的快速发展带来了一些挑战,如优质牡蛎短缺。口贝是进口的或由控制良好的亲鱼繁殖的;导致疾病风险和遗传多样性丧失。此外,葡萄牙牡蛎的产卵周期也有一定的局限性。因此,关闭种子生产过程是设计养殖区域以实现越南牡蛎产业可持续发展的重要步骤。本研究收集了越南北部、中部和南部省份的数据,这些数据由越南沿海省份农业和农村发展部和越南农业和农村发展部提供。本文还提出了限制、挑战和解决方案,以改善和发展越南葡萄牙牡蛎的紧密种子生产周期。
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引用次数: 0
A COMPARISON BETWEEN THE MASTER OF TESOL PROGRAM’S LEARNING OUTCOMES AND THE NATIONAL FRAMEWORK OF QUALIFICATIONS AND THE SMART PRINCIPLES tesol硕士课程的学习效果与国家资格框架和智能原则的比较
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2023b054
VU Thi Viet Huong
Learning outcome formulation is one of the first and most essential stages in program development. Previous research has acknowledged the importance of this stage and the benefits of outcome-based education. Outcome-based program development is becoming popular in Vietnam, especially after the promulgation of Circulars that instruct institutions to formulating program learning outcomes. As Vinh University gives priority to educational quality, it has periodically reviewed and adjusted learning outcomes of not only undergraduate programs but also graduate programs. This process has been done on the basis of the National Framework of Qualifications and the SMART principles (Doran, 1981). However, we have found that although the National Framework of Qualifications has met a couple of SMART principles, program developers need to flexibly incorporate the framework into their program learning outcomes. Flexibility application will allow us to design learning outcomes that meet the SMART principles and include the so-called knowledge, attitudes, skills and attributes in the National Framework of Qualifications. In this paper, we have also proposed a Framework of Competency Level to help program designers formulate ‘smarter’ learning outcomes.
学习成果的制定是项目发展的第一个也是最重要的阶段之一。先前的研究已经承认了这一阶段的重要性以及基于结果的教育的好处。以成果为基础的项目开发在越南越来越流行,特别是在指示各机构制定项目学习成果的通知颁布之后。永大重视教育质量,定期检讨和调整本科和研究生课程的学习成果。这个过程是在国家资格框架和SMART原则的基础上完成的(多兰,1981年)。然而,我们发现,尽管国家资格框架满足了一些SMART原则,但项目开发人员需要灵活地将该框架纳入其项目学习成果中。灵活应用将使我们能够设计符合SMART原则的学习成果,并将所谓的知识、态度、技能和属性纳入国家资格框架。在本文中,我们还提出了一个能力水平框架,以帮助程序设计者制定“更智能”的学习成果。
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引用次数: 0
EXTERNAL COMMUNICATION FOR THE PROMOTION OF SELF-HELP, SELF-RELIANCE FOR THE ASPIRATION OF DEVELOPING A PROSPEROUS AND HAPPY COUNTRY AMONG YOUNG PEOPLE 对外交流促进自助,自力更生的愿望,发展一个繁荣和幸福的国家的年轻人
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2023b050
NGUYEN Le Van, HOANG Thi Trang
Youth is the driving force of the motivation and creativity, taking the lead in the renovation, construction and protection of the homeland of the Socialist Republic of Vietnam. Promoting self-help, self-reliance and aspiration for the nation’s development among young people will create great strength in the cause of building a prosperous and happy country country, on par with other powerful countries around the world. In the digital era with new media, new forms of information and communication, external communication plays a very important role in promoting of self-help, self-reliance and aspiration for the development of a prosperous and happy country among young people. The article clarifies the role of external communication and proposes solutions to improve the effectiveness of external communication with the promotion of self-reliance and aspiration to develop a prosperous and happy country among young people.
青年是动力和创造力的原动力,在越南社会主义共和国祖国的改造、建设和保护中起着带头作用。发扬青年自力更生、自强不息、自强不息的精神,必将为建设一个与世界强国齐头并进、繁荣幸福的国家贡献巨大力量。在新媒体、新信息和新传播形式的数字时代,对外传播在促进年轻人自力更生、追求繁荣幸福的愿望方面发挥着非常重要的作用。本文阐明了对外沟通的作用,并提出了提高对外沟通有效性的解决方案,以促进年轻人自力更生和发展繁荣和幸福国家的愿望。
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引用次数: 0
An overview of quantum resistance digital signatures based on hash functions 基于哈希函数的量子抵抗数字签名概述
Pub Date : 2023-09-20 DOI: 10.56824/vujs.2023a046
DO Thi Bac, Bounsaveng Khit
Facing the challenge of developing quantum computers, quantum-resistant digital signature algorithms have been developed based on hash functions and have received the attention of many scientists. This paper focuses on evaluating hash function-based quantum-resistant digital signature algorithms and their applicability in protecting transmitted information. Analyzing, synthesizing and comparing the strengths and limitations of the algorithms is the main research method of the paper. It also highlights the challenge of applying them in different fields such as banking, e-commerce, and government. The article is useful for those who are just starting to study quantum-resistant digital signatures, helping them get an overview of the field. It also assists regulators, governments and other organizations in making decisions and policies regarding digital signature security platforms.
面对量子计算机发展的挑战,基于哈希函数的抗量子数字签名算法得到了许多科学家的关注。本文重点评估了基于哈希函数的量子抗数字签名算法及其在保护传输信息方面的适用性。分析、综合和比较各种算法的优缺点是本文的主要研究方法。它还强调了在银行、电子商务和政府等不同领域应用它们的挑战。本文对那些刚刚开始研究抗量子数字签名的人很有用,可以帮助他们对该领域有一个概览。它还协助监管机构、政府和其他组织制定有关数字签名安全平台的决策和政策。
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引用次数: 0
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Vinh University Journal of Science
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