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2021 International Conference on Informatics, Multimedia, Cyber and Information System (ICIMCIS最新文献

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Word Expansion using Synonyms in Indonesian Short Essay Auto Scoring 印尼语短文自动评分中同义词的词扩展
N. Chamidah, M. M. Santoni, H. N. Irmanda, R. Astriratma, Lomo Mula Tua, Trihastuti Yuniati
Exams conducted in online learning to evaluate learning processes have many formats, including essay format. Essays are considered more proper to measure learning activity results. However, essays require longer to assess student answers and have consistency problems if the assessment is carried out by different teachers or done separately. This study investigates the influence of word expansion using synonyms in Indonesian thesaurus on short essay auto scoring. The first step, reference answers and student answer text data is preprocessed by case folding, stemming, stop word removal, tokenizing, and duplicate word removal. Second, Word expansion using synonyms in thesaurus is used to generate alternate words for reference answers. Third step, the scoring process by calculating similarity and matching words. The score from the similarity and matching results is then used to generate the final score. Performance evaluation shows that the Dice Coefficient similarity method achieved the highest correlation by a very good correlation, and the smallest MAE was achieved by the Cosine Coefficient similarity method.
在线学习中评估学习过程的考试有多种形式,包括论文形式。文章被认为更适合衡量学习活动的结果。然而,如果由不同的老师进行评估或单独进行评估,那么论文需要更长的时间来评估学生的答案,并且存在一致性问题。本研究探讨印尼语同义词典中使用同义词展开词对短文自动评分的影响。第一步,参考答案和学生答案文本数据通过案例折叠、词干提取、停止词删除、标记化和重复词删除进行预处理。其次,使用同义词典中的同义词展开单词,为参考答案生成替代单词。第三步,评分过程中通过计算相似度和匹配词。然后使用相似性和匹配结果的分数来生成最终分数。性能评价表明,Dice系数相似度方法获得了最高的相关性,具有很好的相关性,而cos系数相似度方法获得了最小的MAE。
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引用次数: 3
Implementation of Long Short Term Memory Model in Forecasting Internet Service Sales 长短期记忆模型在互联网服务销售预测中的应用
Pradista Aprilia Winarno, Ermatita, S. Afrizal
Competition in providing internet services in Indonesia is getting tougher. Market demand that is increasingly complicated to predict makes companies have to work more to satisfy customers. The application of forecasting methods for client needs can be a solution. Machine Learning-based forecasting with the Long Short Term Memory (LSTM) method can be one way of making forecasts. The output of this research is the forecasting of the price of the service product which is expected to make the company take policies to take actions that can minimize losses for the client and the company. In this study, the author will use the Long Short Term Memory (LSTM) method to predict the price of internet services at the Hypernet Indodata company using time series data. The data used is internet service sales in 2016–2018 obtained from PT. Hypernet Indodata. The results obtained in this study resulted in a Root Mean Square Error (RMSE) value of 8.7463 and a Mean Absolute Percentage Error (MAPE) of 4.167% indicating that the LSTM model already has the right configuration and is successful in predicting service prices quite well.
在印尼提供互联网服务的竞争越来越激烈。市场需求越来越难以预测,这使得企业不得不付出更多努力来满足客户。针对客户需求应用预测方法可能是一种解决方案。使用长短期记忆(LSTM)方法的基于机器学习的预测可以是进行预测的一种方法。本研究的产出是对服务产品价格的预测,预计将使公司采取政策,采取行动,最大限度地减少客户和公司的损失。在本研究中,作者将使用长短期记忆(LSTM)方法使用时间序列数据来预测Hypernet Indodata公司的互联网服务价格。使用的数据是2016-2018年互联网服务销售额,来自PT. Hypernet Indodata。本研究结果的均方根误差(RMSE)为8.7463,平均绝对百分比误差(MAPE)为4.167%,表明LSTM模型已经具有正确的配置,并且能够很好地预测服务价格。
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引用次数: 0
Modified RNP Privacy Protection Data Mining Method as Big Data Security 基于大数据安全的改进RNP隐私保护数据挖掘方法
Ray Novita Yasa, I. K. S. Buana, Girinoto, Hermawan Setiawan, R. B. Hadiprakoso
Privacy-Preserving Data Mining (PPDM) has become an exciting topic to discuss in recent decades due to the growing interest in big data and data mining. A technique of securing data but still preserving the privacy that is in it. This paper provides an alternative perturbation-based PPDM technique which is carried out by modifying the RNP algorithm. The novelty given in this paper are modifications of some steps method with a specific purpose. The modifications made are in the form of first narrowing the selection of the disturbance value. With the aim that the number of attributes that are replaced in each record line is only as many as the attributes in the original data, no more and no need to repeat; secondly, derive the perturbation function from the cumulative distribution function and use it to find the probability distribution function so that the selection of replacement data has a clear basis. The experiment results on twenty-five perturbed data show that the modified RNP algorithm balances data utility and security level by selecting the appropriate disturbance value and perturbation value. The level of security is measured using privacy metrics in the form of value difference, average transformation of data, and percentage of retains. The method presented in this paper is fascinating to be applied to actual data that requires privacy preservation.
近几十年来,由于人们对大数据和数据挖掘的兴趣日益浓厚,隐私保护数据挖掘(PPDM)已经成为一个令人兴奋的话题。一种保护数据但仍保留其中隐私的技术。本文提供了一种替代的基于微扰的PPDM技术,该技术通过修改RNP算法来实现。本文给出的新颖之处是对某些步骤方法的改进,具有特定的用途。所作的修改形式是首先缩小扰动值的选择范围。目的是在每条记录行中替换的属性数量仅与原始数据中的属性相同,而不需要更多,也不需要重复;其次,从累积分布函数中推导出扰动函数,并用它来求出概率分布函数,使替换数据的选择有明确的依据。在25个扰动数据上的实验结果表明,改进的RNP算法通过选择合适的扰动值和扰动值来平衡数据效用和安全性。安全级别是使用隐私指标来衡量的,其形式包括价值差异、数据的平均转换和保留的百分比。将本文提出的方法应用于需要隐私保护的实际数据是很有吸引力的。
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引用次数: 0
Happy and Sad Classification using HOG Feature Descriptor in SVM Model Selection HOG特征描述符在SVM模型选择中的快乐与悲伤分类
Derry Alamsyah, M. Fachrurrozi
Facial Expression Recognition (FER) of the image is one of the potential research fields. It remains some open problems to be solved such as various head positions, backgrounds, occlusion, face attribute etc., where the FER 2013 dataset give such conditions. In this research, the small balanced dataset used to recognize two common fundamental expression, happy and sad face image as our set conditions. Using SVM as classifier and HOG as feature expression method, this research shows best performance, that is 72% accuracy, in quadratic polynomial kernel with intercept constant $mathrm{b}=1$ and tolerance constant $mathrm{C}=0.1$. By using such conditions, minimized pose variant, a conventional approach in FER such SVM and HOG has shown fair performance in the FER 2013 dataset.
图像的面部表情识别是一个很有潜力的研究领域。在fer2013数据集给出的条件下,仍然有一些开放的问题需要解决,比如不同的头部位置、背景、遮挡、人脸属性等。在本研究中,使用小的平衡数据集来识别两种常见的基本表情,快乐和悲伤的脸图像作为我们的设置条件。使用SVM作为分类器,HOG作为特征表达方法,在截距常数$mathrm{b}=1$,公差常数$mathrm{C}=0.1$的二次多项式核中,本研究显示出最佳的性能,准确率为72%。在此条件下,最小化姿态变量,传统的SVM和HOG方法在FER 2013数据集中表现出了良好的性能。
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引用次数: 1
A Study on Medicinal Plant Leaf Recognition Using Artificial Intelligence 基于人工智能的药用植物叶片识别研究
Vina Ayumi, Ermatita Ermatita, Abdiansah Abdiansah, Handrie Noprisson, Mariana Purba, Marissa Utami
Medicinal plant recognition manually takes a lot of time and money. Moreover, to reduce these resources, some researchers propose to implement artificial intelligence technology. This paper aims are to conduct a systematic literature review of medicinal plant leaf recognition published in the last two years (2019–2020) from IEEE, Springer and Science Direct. We obtained 15 studies in the field of medicinal plant leaf recognition using artificial intelligence. The dataset used for medicinal plant leaf recognition is mostly used private dataset, however, there are public dataset named Leaf, Flavia, Swedish dataset. We also found robust method that can be used for medicinal plant leaf recognition is Multichannel Modified Local Gradient Pattern (MCMLGP) and Gray Level Co-Occurrence Matrix (GLCM) as feature extraction; and Convolutional Neural Network (CNN), Multi-Layer Perceptron trained with Backpropagation algorithm (MLP-BP), Support Vector Machine (SVM), and Transfer Learning (VGG19) as classifier.
人工识别药用植物需要花费大量的时间和金钱。此外,为了减少这些资源,一些研究人员提出实施人工智能技术。本文旨在对近两年(2019-2020)IEEE、施普林格和Science Direct发表的药用植物叶片识别的文献进行系统综述。我们在药用植物叶片识别领域获得了15项人工智能研究。药用植物叶片识别使用的数据集多为私有数据集,但也有公共数据集leaf、Flavia、瑞典数据集。我们还发现了多通道修正局部梯度模式(MCMLGP)和灰度共生矩阵(GLCM)作为特征提取的鲁棒方法,可以用于药用植物叶片识别;和卷积神经网络(CNN),多层感知器训练与反向传播算法(MLP-BP),支持向量机(SVM)和迁移学习(VGG19)作为分类器。
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引用次数: 9
Energy Management and Anomaly Detection in Condition Monitoring for Industrial Internet of Things Using Machine Learning 基于机器学习的工业物联网状态监测中的能量管理和异常检测
Dominic Okeke, S. Musa
Different concepts of condition and energy monitoring systems in manufacturing facilities have been studied extensively, in relation to the improvement and enhancement of the decision-making processes in industries. Internet of Things (IoT) communication networks has also provided more integrated machine connectivity for real time data, and so its application in industrial processes has enabled effective energy usage and condition monitoring for sustainable management. In this paper, the operational status of the machines categorically ascertained within a short time interval and maintenance is predicted by the system in response on user interface application Node-RED dashboards and Python Shell environment. Furthermore, a portable and scalable wireless sensor network using the IEEE 802.15.4e protocol has been integrated with Machine Learning (ML) algorithm to analyze the anomaly detection in the condition and energy monitoring sensor datasets. As a result, the 99.16% accuracy of this supervised learning model is observed.
为了改善和加强工业决策过程,对制造设施的状态和能源监测系统的不同概念进行了广泛的研究。物联网(IoT)通信网络还为实时数据提供了更集成的机器连接,因此它在工业过程中的应用实现了有效的能源使用和状态监测,从而实现了可持续管理。本文在用户界面应用程序Node-RED仪表板和Python Shell环境中响应系统对短时间间隔内分类确定的机器运行状态和维护进行预测。此外,使用IEEE 802.15.4e协议的便携式可扩展无线传感器网络已与机器学习(ML)算法集成,用于分析状态和能量监测传感器数据集中的异常检测。结果表明,该监督学习模型的准确率达到了99.16%。
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引用次数: 1
Measuring Programmer Quality from Complexity Point of View 从复杂性的角度衡量程序员的素质
Debby Debora Hutajulu, M. E. Simaremare, Yessi Sovranita Pangaribuan, Angelia Regina Ginting
Quality codes reflects the quality of the one who is behind the keyboard. Acknowledging quality codes is useful for either companies or learning institutions in finding prospect employee or assessing the students' learning process. In this paper, we propose an approach to find quality programmers from their contributions in the crowdsourcing projects (Git-based). This approach measures the complexity level of every contribution committed contributors (or programmers) from the beginning of the project to date. This will help us to find quality programmers and see when they start improving. We use cyclomatic complexity (CC) to decide the complexity level of a contribution. In practice, we could use this approach to assess the quality of a programmer based on his/her previous contributions.
代码的质量反映了键盘背后的人的质量。承认质量代码对公司或学习机构在寻找潜在员工或评估学生的学习过程中都很有用。在本文中,我们提出了一种方法,从他们在众包项目(基于git)中的贡献中找到高质量的程序员。这种方法测量从项目开始到目前为止,贡献者(或程序员)所提交的每个贡献的复杂程度。这将帮助我们找到高质量的程序员,并观察他们何时开始改进。我们使用圈复杂度(CC)来决定贡献的复杂度级别。在实践中,我们可以使用这种方法根据程序员以前的贡献来评估他/她的质量。
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引用次数: 0
The Effect of Sales Promotion, Self-Control, And Hedonism on Impulsive Buying In E-Commerce Platform During The Covid-19 Pandemic 新冠肺炎疫情期间,促销、自我控制和享乐主义对电商平台冲动购买的影响
C. Victoria, Jaimee Tumewa Diets, Vania Kalyana, P. A. Manaf
Modernization causes customers to be inseparable from the need for online shopping or e-commerce. E-commerce uses various strategies to attract customers to buy their products, especially during a pandemic due to the restriction of offline shopping by the government. The purpose of this research is to gain a more profound knowledge of the influence of sales promotion, self-control, and hedonism on impulsive buying in e-commerce platforms, especially during the Pandemic. Data were collected through a questionnaire from 205 respondents of e-commerce users who purchased during the COVID-19 Pandemic. A judgemental sampling technique is applied in this study. The data analysis method is a regression model and processed using Statistical Package for the Social Science (SPSS). The result of this study indicates that the hypothesis made by the authors is supported. The study's most important finding is that when self-control is low, impulsive purchasing occurs.
现代化使得顾客离不开网上购物或电子商务的需求。电子商务使用各种策略来吸引顾客购买他们的产品,特别是在疫情期间,由于政府限制线下购物。本研究的目的是更深入地了解促销、自我控制和享乐主义对电子商务平台尤其是疫情期间冲动购买的影响。通过问卷调查收集了205名在COVID-19大流行期间购物的电子商务用户的数据。本研究采用了判断抽样技术。数据分析方法是回归模型,并使用SPSS (Statistical Package for Social Science)进行处理。本研究的结果表明,作者的假设是支持的。该研究最重要的发现是,当自制力较低时,冲动购物就会发生。
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引用次数: 1
Comparison of Distance Metrics on Fuzzy C-Means Algorithm Through Customer Segmentation 客户细分模糊c均值算法的距离度量比较
Uus Rusdiana, Iin Ernawati, Noor Falih, A. Arista
Distance metrics are often used in a similarity-based algorithm like clustering to improve the performance when deciding to group data based on similarities. It has a crucial role when building machine learning models. Therefore, this research would like to examine the optimal distance metrics method in the clustering algorithm. The algorithm that will be used in this research is Fuzzy C-Means clustering by applying several data distance measurement methods (Euclidean Distance, Manhattan Distance, Chebyshev Distance, and Minkowski Distance). Then, the resulting cluster will be evaluated using a validity index including partition coefficient index (PC), modified partition coefficient index (MPC), and RMSE. The results represent that the most optimal distance of the 2 clusters dataset was obtained using Manhattan Distance measurement methods. The most optimal distance of the 3 clusters dataset was obtained using Minkowski Distance measurement methods. From a series of conducted experiments of the dataset, the Manhattan and Minkowski measurement methods represented the optimal results for the FCM algorithm.
距离度量通常用于基于相似度的算法(如聚类),以便在决定基于相似度对数据进行分组时提高性能。它在构建机器学习模型时起着至关重要的作用。因此,本研究将探讨聚类算法中的最优距离度量方法。本研究将使用的算法是模糊c均值聚类,通过应用几种数据距离度量方法(欧几里得距离、曼哈顿距离、切比雪夫距离和闵可夫斯基距离)。然后,将使用有效性指标(包括分区系数指数(PC)、修改分区系数指数(MPC)和RMSE)对生成的聚类进行评估。结果表明,使用曼哈顿距离测量方法获得了2个聚类数据集的最优距离。采用闵可夫斯基距离测量方法获得3个聚类数据集的最优距离。通过对数据集进行的一系列实验,Manhattan和Minkowski测量方法代表了FCM算法的最佳结果。
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引用次数: 2
Agile Readiness Measurement in Organizations using Agile Adoption Framework : A Case study on Indonesian Automotive Company 使用敏捷采用框架的组织中的敏捷准备度度量:以印尼汽车公司为例
Abi Hanindito, T. Raharjo, B. Hardian, Agus Suhanto
Many organizations have adopted agile methodology in their project process and management to take advantage of benefits to organizations. The benefits are quicker good software quality, return of Investment, and customer satisfaction. For some organizations that have mature software development methodology using traditional approaches, they face some difficulties in adopting agile methodology. Instead of being successful in IT project implementation, the organization has failed in IT project, bad quality software, and running out of budget. The Organization conducted an agile readiness assessment using an agile adoption framework called SAMI (Sidky Agile Measurement Index) to know their agility level. Based on this assessment framework, there is a questionnaire which assesses the process for agile practices adoption in project and organization. Organization involved customer manager, IT manager, IT Section head and IT developers as respondents to fill in the questionnaire related to their experience in IT project. The assessment result mentioned that this organization has passed the criterias to continue the adoption, and agile adoption of project level is at level 3 (Effective), and organizational readiness level is at level 1 (Collaborative). To increase agility level up to maximum level at level 5 (Encompassing), Organization can choose to improve failed assessment items through follow up the recommendation or lower the expectation through reducing the project level into level 1, which is similar level to organization readiness. Knowing agility level in organization through assessment and proceed the recommendation, can increase agile level and ease agile adoption especially on software development in organization.
许多组织已经在他们的项目过程和管理中采用了敏捷方法,以利用敏捷方法给组织带来的好处。这样做的好处是更快、更好的软件质量、投资回报和客户满意度。对于一些使用传统方法已经拥有成熟软件开发方法的组织来说,他们在采用敏捷方法时面临着一些困难。组织没有在IT项目实现中取得成功,而是在IT项目中失败,软件质量差,预算耗尽。该组织使用名为SAMI (Sidky敏捷度量指数)的敏捷采用框架进行了敏捷准备情况评估,以了解其敏捷程度。基于这个评估框架,有一个问卷来评估项目和组织采用敏捷实践的过程。组织邀请客户经理、资讯科技经理、资讯科技科主任及资讯科技开发人员填写有关他们在资讯科技项目中的经验的问卷。评估结果表明,该组织已经通过了继续采用的标准,敏捷采用的项目级别为3级(有效),组织准备级别为1级(协作)。为了将敏捷性水平提高到第5级(包括)的最高水平,组织可以选择通过跟踪建议来改进失败的评估项目,或者通过将项目级别降低到第1级来降低期望,这与组织准备程度相似。通过评估了解组织的敏捷性水平,并进行建议,可以提高组织的敏捷性水平,促进敏捷的采用,特别是在组织的软件开发中。
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引用次数: 0
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2021 International Conference on Informatics, Multimedia, Cyber and Information System (ICIMCIS
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