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2019 IEEE Sciences and Humanities International Research Conference (SHIRCON)最新文献

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The ICT crisis in regular basic education in Peru. Teachers' perception of the incorporation and technologies used in the classroom 秘鲁正规基础教育中的ICT危机。教师对课堂上使用的整合和技术的看法
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024848
Milton Gonzales-Macavilca, Lizeth Nolberto-Quispe
This paper sets out the objective of analyzing the perception that regular basic education peruvian teachers have on the use of information and communication technologies (ICT) in the educational field. For this, a quantitative-descriptive research was structured and the database of the II Encuesta Nacional a Docentes (Peruvian Teachers Survey - ENDO) carried out by Ministerio de Educació$n$ (Peruvian Ministry of Education - Minedu) in 2016 was used, the results of which were published in 2018. The sample is conformed by 9823 teachers of public and private schools of all country. The results allow us to conclude that there is a lack of knowledge about the use and benefits of ICT applied to the teaching-learning process, which is reflected in the moderately positive perception of the ICT use in the pedagogical work of teachers.
本文旨在分析秘鲁正规基础教育教师对在教育领域使用信息通信技术(ICT)的看法。为此,构建了一项定量描述性研究,并使用了2016年由Ministerio de Educació$n$(秘鲁教育部- Minedu)开展的II Encuesta Nacional a Docentes(秘鲁教师调查- ENDO)数据库,其结果于2018年公布。样本为全国9823名公立和私立学校教师。研究结果使我们得出结论,人们对ICT在教学过程中的使用和益处缺乏了解,这反映在教师对ICT在教学工作中的使用持适度积极的看法上。
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引用次数: 1
An Approach to Control SISO Disturbed Time-Delay Processes 一种控制SISO扰动时滞过程的方法
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024851
A. Rojas-Moreno
This work proposes an approach to control continuous-time SISO (Single Input Single Output) time-delay processes subject to output disturbances employing discrete-time PI (Proportional plus Integral) LQR (Linear Quadratic Regulator) controllers. To demonstrate the validity of such approach, this work performs the control of SISO stable, unstable, minimum phase, and integrating benchmark time-delay processes. That is, processes that have been used by the researchers and published in the specialized literature to demonstrate various control approaches. The robustness of the designed time-delay control systems in the presence of varying time-delays is also addressed in this paper.
这项工作提出了一种方法来控制受输出干扰的连续时间SISO(单输入单输出)时滞过程,采用离散时间PI(比例加积分)LQR(线性二次调节器)控制器。为了证明这种方法的有效性,本工作对SISO稳定、不稳定、最小相位和集成基准时滞过程进行了控制。也就是说,研究人员使用的过程,并发表在专业文献中,以展示各种控制方法。本文还讨论了所设计的时滞控制系统在变时滞条件下的鲁棒性。
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引用次数: 2
Application of artificial intelligence in the development of a model of Neural Network for the financial forecast in the Stock Exchange of Lima 人工智能在利马证券交易所财务预测神经网络模型开发中的应用
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024868
R. Loayza, Victor Vidal, Margarita Murillo
The research describes the development of a Neural Network model based on the studies and applications of artificial intelligence whose objective is to create intelligent machines; This model applies time series which allows us to forecast the future price of the shares in the Lima Stock Exchange market. For the development of this model we considered six investment companies whose historical financial data were analyzed and processed to feed the neural network that allowed us to determine the viability, operability and reliability to apply it as a forecasting tool. The results obtained were highly significant considering that the proposed model was accepted due to its high degree of certainty.
该研究描述了基于人工智能研究和应用的神经网络模型的发展,其目标是创造智能机器;该模型采用时间序列,使我们能够预测利马证券交易所市场股票的未来价格。为了开发这个模型,我们考虑了六家投资公司,它们的历史财务数据被分析和处理,以提供给神经网络,使我们能够确定将其作为预测工具的可行性、可操作性和可靠性。考虑到所提出的模型由于其高度确定性而被接受,所获得的结果非常显著。
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引用次数: 0
Augmented reality mobile application and its influence in Quechua language learning 增强现实手机应用及其对克丘亚语学习的影响
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024860
Camacho Montellanos, J. Luís, Macavilca Vásquez, C. Alberto, Herrera Salazar
Augmented reality technology is being a huge support in education standing out the user's attention to interact with virtual world in real space. In this article, the level of influence that would have the use of a mobile application with augmented reality will be evaluated in primary students for Quechua language learning. Likewise, the quasi-experimental design is used and the sample consists of sixty students divided into two classrooms of thirty students respectively. The experimental group improves his grades in a 19.7% unlike the control group and also a reduction of time for understanding the information is seen. In conclusion, the augmented reality mobile application influences significantly in Quechua language learning for fourth-year pupils of primary school.
增强现实技术在教育中起到了巨大的支持作用,它突出了用户在现实空间中与虚拟世界互动的注意力。在本文中,将评估使用带有增强现实功能的移动应用程序对小学生克丘亚语学习的影响程度。同样,采用准实验设计,样本由60名学生组成,分别分为两个30名学生的教室。实验组的成绩比对照组提高了19.7%,而且理解信息的时间也减少了。综上所述,增强现实手机应用对小学四年级学生克丘亚语学习有显著影响。
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引用次数: 6
Reducing Dimensionality of Variables for a Classification Problem: Fraud Detection 一个分类问题的降维变量:欺诈检测
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024863
P. Shiguihara-Juárez, Nils Murrugarra-Llerena
Fraud detection can be considered as a classification task since we can use datasets with labelled instances as fraud cases and legal cases. Although, many classifiers were applied to this problem, the data pre-processing related to the reduction of values of each variable is an uncommon approach. We explore a method to reduce the cardinality of the variables in a dataset of fraud transaction to identify improvement in this classification problem. Our best result indicated an improvement of $+$ 31.8% in terms of F1-measure when we reduce the cardinality to detect fraud cases.
欺诈检测可以被视为一项分类任务,因为我们可以使用带有标记实例的数据集作为欺诈案例和法律案例。尽管许多分类器被应用于这个问题,但与每个变量值的约简相关的数据预处理是一种不常见的方法。我们探索了一种减少欺诈交易数据集中变量的基数的方法,以识别该分类问题的改进。我们的最佳结果表明,当我们减少基数以检测欺诈案例时,f1度量的改进幅度为$+$ 31.8%。
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引用次数: 0
Projections on insecurity, unemployment and poverty and their consequences in Lima's district San Juan de Lurigancho in the next 10 years 对未来10年利马圣胡安德卢里甘乔地区的不安全、失业和贫困及其后果的预测
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024877
Frank Andrade-Chaico, L. Andrade-Arenas
Lima, the Peruvian capital, with 10 million inhabitants is the 30th most populated city in the world. San Juan de Lurigancho is one of the 18 districts in Lima and it has about 10% of the population from the Peruvian capital. This work puts forward an analysis on the effects of the 10-year-population growth on poverty, insecurity and unemployment in this district. First, a projection of the population was done following the methodology of systems dynamics based on systems thinking and the software Stella. Then we analyzed whether population growth had a bad effect on poverty in the district based on past data. We obtained that in 2029 there will be approximately 1.23 million inhabitants which surpasses the population in 15 out of 24 departments in Peru. Narrowing down the search, in 2027 the district would have a ratio of 1 policeman for 1330 people which is far from the international standard ratio that suggests 1 policeman for every 300 people. Furthermore, the population between 14 and 24 years old would increase in the district. This increase plus the unemployment rate in Lima for people between 14–24 led us to believe that the job market would be even more competitive and the youth unemployed may increase in the next 10 years. It is expected that this work helps to demonstrate the problem of the population growth in the district of San Juan de Lurigancho and also serve as a guide to authorities from Peru to take action on this issue.
秘鲁首都利马拥有1000万居民,是世界上人口第30多的城市。San Juan de Lurigancho是利马18个区之一,约有10%的人口来自秘鲁首都。本文分析了该地区10年人口增长对贫困、不安全和失业的影响。首先,根据基于系统思维和Stella软件的系统动力学方法对人口进行了预测。然后,我们根据过去的数据分析了人口增长是否对该地区的贫困产生了不良影响。我们得出结论,到2029年,秘鲁将有大约123万居民,超过秘鲁24个省中的15个省的人口。缩小搜索范围,到2027年,该地区每1330人将有1名警察,这与每300人有1名警察的国际标准比例相去甚远。此外,该地区14至24岁的人口将会增加。这一增长加上利马14-24岁人群的失业率使我们相信,就业市场的竞争将更加激烈,未来10年青年失业人数可能会增加。预计这项工作将有助于说明圣胡安德卢里甘乔地区的人口增长问题,并作为秘鲁当局就这一问题采取行动的指南。
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引用次数: 9
Ecosystem-Driven State-of-the-Art Investigation for Social Workers' Back Pain 生态系统驱动的社会工作者背痛的最新研究
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024747
Zheng Ma, Henrik Frank, Henrik Lange, Christian Arentsen, B. N. Jøergensen
The state-of-the-art investigation is important in new product development. It can avoid wasting time and effort on developing solutions that has already been patented or introduced in the market. However, there is lack of a systematic approach for the state-of-the-art investigation. This paper introduces an ecosystem-driven approach for the state-of-the-art investigation. With the example of social workers' back pain, this paper demonstrates a three-step process of the state-of-the-art investigation (Step 1- ecosystem mapping, Step 2- patent and literature review, and Step 3- gap analysis). Each step includes several activities and produces outcomes for the next step. The contribution of this ecosystem-driven approach is a state-of-the-art investigation that helps innovators to identify gaps where state-of-the-art fails to meet unmet market needs.
最新的研究在新产品开发中很重要。它可以避免在开发已经获得专利或已进入市场的解决方案上浪费时间和精力。然而,缺乏一个系统的方法来进行最先进的调查。本文介绍了一种生态系统驱动的研究方法。以社会工作者的背痛为例,本文展示了一个最新调查的三步过程(步骤1-生态系统制图,步骤2-专利和文献综述,步骤3-差距分析)。每个步骤包括几个活动,并为下一步产生结果。这种生态系统驱动的方法的贡献在于进行最先进的调查,帮助创新者确定最先进的技术无法满足未满足的市场需求的差距。
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引用次数: 2
Application of Lean manufacturing tools in a footwear company 精益生产工具在某鞋业公司的应用
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024867
Maria Peralta-Quispe, Jheyny Nureña-Huaman, Victor Nuñez-Ponce, Ernesto Altamirano-Flores, J. Alvarez-Merino
The main problem of the company under study is the lack of attention in a large percentage of orders, which generates economic losses. This is due to several problems, which are: Delayed production and defective products and parts. This is why the efficiency of the company was evaluated, which is currently 65%. In order to solve problems and increase efficiency, methodologies that contribute to improving the productivity of the production line were evaluated. The most weighted tools were the Lean Manufacturing tools, as success stories across countries and sectors were successful [1]. After the application of the tools: 5S, VSM and TPM, the number of defective parts and the cycle time were reduced. This made it possible to increase the effectiveness of the company by 75%.
所研究的公司的主要问题是很大比例的订单缺乏重视,从而产生经济损失。这是由于几个问题,这是:延迟生产和次品和零件。这就是为什么公司的效率被评估,目前是65%。为了解决问题和提高效率,对有助于提高生产线生产率的方法进行了评估。最重要的工具是精益制造工具,因为各个国家和行业的成功案例都是成功的[1]。应用5S、VSM、TPM等工具后,次品数量减少,周期时间缩短。这使得公司的效率提高了75%。
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引用次数: 2
Effectiveness of Graph Data Visualization of News using VR Experience
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024872
Andrea Pachas-Baños, De La Cruz-Leyva, P. Shiguihara-Juárez
The need for complex bibliographic search in the scientific community makes it possible to propose tools that help researchers for such task [1]. The Virtual Reality (VR) environment also provides new possibilities for interaction design in visualization applications and help users to process graphics visualization tasks [2], [3]. Currently, hardware technology is more affordable. Therefore, it is convenient and timely to develop visualization applications that make use of said technology [4]. In this paper, we develop a data visualization application with Virtual Reality for explore the reference between news using graphs. We analyze related work and we selected some design guidelines such as Rendering Techniques and Interaction Techniques [3], [4]. Subsequently, we develop a virtual reality application using Unity [5] and we used HTC Vive [6] to show graphs in immersive environments. We create a graph of news references that shows the abstract of each article when interacting with the nodes using the controls of the HTC Vive. The result expects to show the impact of virtual reality in order to maximize the understanding and interaction of the data.
科学界对复杂书目检索的需求使得提出帮助研究人员完成此类任务的工具成为可能[1]。虚拟现实(VR)环境也为可视化应用中的交互设计提供了新的可能性,并帮助用户处理图形可视化任务[2],[3]。目前,硬件技术更加实惠。因此,开发利用上述技术的可视化应用程序既方便又及时[4]。在本文中,我们利用虚拟现实技术开发了一个数据可视化应用程序,利用图形来探索新闻之间的参考。我们分析了相关的工作,并选择了一些设计指南,如渲染技术和交互技术[3],[4]。随后,我们使用Unity开发了一个虚拟现实应用程序[5],我们使用HTC Vive[6]在沉浸式环境中展示图形。我们创建了一个新闻引用图,当使用HTC Vive控件与节点交互时,显示每篇文章的摘要。结果期望显示虚拟现实的影响,以便最大限度地理解和交互数据。
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引用次数: 3
Does associativity affect likelihood Peruvian small-scale farms internationalization? 关联性影响秘鲁小农国际化的可能性?
Pub Date : 2019-11-01 DOI: 10.1109/SHIRCON48091.2019.9024858
Rosmery Ramos-Sandoval
in recent years the internationalization process in the Peruvian agricultural sector has been experiencing significant growth because of the dynamism of the agro-export sector. Nonetheless, the high degree of farm atomization and farmer's dispersion is one of the remaining structural issues for better productivity and competitiveness rates in the agricultural sector. Thereby increasing the benefit rates of smallholder farmers because they are part of the global agrifood system, is still a remaining challenge. This study's aim was to explore the predictive role of characteristics in smallholder to belong to a farmer organization, as conditions that make it possible to predict smallholder farmers' access to the foreign market as a benefit of associativity. This research use data from the Peruvian Agricultural National Survey (ENA) collected in 2017. Through a logistic regression approach, farm conditions like territory, farmer organization type, farmer organization age, and farm core activity (crop and/or livestock), were tested as factors to increase the farms' likelihood to get access to foreign markets.
近年来,由于农产品出口部门的活力,秘鲁农业部门的国际化进程一直在显著增长。尽管如此,农业高度雾化和农民分散是农业部门提高生产率和竞争力的剩余结构性问题之一。因此,由于小农是全球农业粮食系统的一部分,提高他们的福利率仍然是一个挑战。本研究的目的是探讨特征在小农加入农民组织中的预测作用,作为预测小农作为联合性利益进入国外市场的条件。本研究使用了2017年秘鲁农业全国调查(ENA)收集的数据。通过逻辑回归方法,农场条件(如领土、农民组织类型、农民组织年龄和农场核心活动(作物和/或牲畜))作为增加农场进入国外市场可能性的因素进行了测试。
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引用次数: 1
期刊
2019 IEEE Sciences and Humanities International Research Conference (SHIRCON)
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