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An Implementation of Support Vector Machine Classification for Developer Academy Acceptance Prediction Model 支持向量机分类在开发者学院接受度预测模型中的实现
Pub Date : 2021-09-23 DOI: 10.1109/ICITech50181.2021.9590146
Trianggoro Wiradinata, Rinabi Tanamal, Theresia Ratih Dewi Saputri, Y. Soekamto
In order to prepare graduates with work readiness in the IT industry, specifically in mobile apps development, one of its ways is to create a Developer Academy where final year students are prepared in an intensive program for two consecutive semesters to learn the stages of mobile apps development. To ensure the quality of participants in the Developer Academy, a set of selection procedures needs to be prepared, consisting of Aptitude Test, Portfolio Showcase, and Individual Interview. The problem arises when applicants are far more than the class capacity. Hence selection procedures take a longer time. The Developer Academy registration team record showed a ratio of 1: 12, which overburdens the team when it comes to selecting the applicants. More effective procedures are needed with the help of machine learning tools to help with decision making. This study aims to produce a prediction model for developer academy applicants. Several classification algorithms such as k-nearest neighbors, support vector machine, decision tree, and random forest were analyzed. Data was collected from 527 valid applicant's data which submit complete documents based on due date, other applicants who did not submit complete documents were not included in the analysis. Preliminary findings from the study show that the Support Vector Machine algorithm performs best with an accuracy of 86% and this score was then increased by applying oversampling and kernel tricks to get an accuracy rate of 98%. Hence it can be concluded that the prediction model has excellent performance. Keywords-developer academy, artificial intelligence, machine learning, support vector machine, data science, classification
为了让毕业生在IT行业做好工作准备,特别是在移动应用程序开发方面,它的方法之一是创建一个开发者学院,让最后一年的学生在连续两个学期的密集课程中学习移动应用程序开发的各个阶段。为了确保开发者学院参与者的质量,需要准备一套选择程序,包括能力倾向测试、作品集展示和个人面试。当申请人数远远超过班级容量时,问题就出现了。因此,选择程序需要更长的时间。Developer Academy注册团队的记录显示比例为1:12,这使团队在选择申请人时负担过重。在机器学习工具的帮助下,需要更有效的程序来帮助决策。本研究旨在为开发者学院申请者建立一个预测模型。分析了k近邻、支持向量机、决策树和随机森林等分类算法。数据收集于527名有效申请人的数据,这些申请人根据截止日期提交了完整的文件,其他未提交完整文件的申请人不包括在分析中。研究的初步结果表明,支持向量机算法表现最好,准确率为86%,然后通过应用过采样和核技巧来提高这一分数,使准确率达到98%。由此可见,该预测模型具有良好的性能。关键词:开发者学会,人工智能,机器学习,支持向量机,数据科学,分类
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引用次数: 2
Encryption with Covertext and Reordering using Permutated Table and Random Function 使用置换表和随机函数的复文本加密和重排序
Pub Date : 2021-09-23 DOI: 10.1109/ICITech50181.2021.9590171
E. Ardhianto, Widiyanto Tri Handoko, Hari Murti, Rara Redjeki
Documents for some entities are confidential and important, so security is required. Encryption with Covertext and Reordering (ECR) is a text-based document security model. ECR uses a random key to generate the ciphertext. The ECR's random key was selected using the human-generated method. This research aims to increase the level of document security based on the ECR mechanism. This paper proposes a new method by using a random key in a permutated table. The random key is generated automatically by a function. The entropy is used as a measurement of the security level of the encrypted documents. The experimental shows that the permutated table inside the ECR provides better entropy values. It implies a better security level. The use of permutated tables also makes it easier to use ECR to secure documents.
对于某些实体来说,文档是机密和重要的,因此需要安全性。ECR (Covertext Encryption with Reordering)是一种基于文本的文档安全模型。ECR使用一个随机密钥来生成密文。使用人工生成的方法选择ECR的随机密钥。本研究旨在提高基于ECR机制的文档安全性。本文提出了一种在置换表中使用随机键的新方法。随机密钥由一个函数自动生成。熵被用作加密文档安全级别的度量。实验表明,ECR内的置换表能提供更好的熵值。这意味着更高的安全级别。排列表的使用也使得使用ECR保护文档变得更加容易。
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引用次数: 0
Cancer Stage Prediction From Gene Expression Data Using Weighted Graph Convolution Network 利用加权图卷积网络从基因表达数据预测癌症分期
Pub Date : 2021-09-23 DOI: 10.1109/ICITech50181.2021.9590177
A. Elmahy, S. Aly, F. Elkhwsky
The early detection of cancer stage is a crucial step for effective treatment. In contrast to traditional approaches, RNA -Seq is the current state of the art technique for gene expression estimation. RNA -Seq data have been used in research and in production as input data for several classification and prediction models in many disease including cancer staging. We present a novel cancer stage prediction approach based on gene expression data. Our approach is based on Weighted Graph Convolution Networks (GCN). GCN is the application of deep learning back-propagation on graph structures. In this work, we used correlation between genes to generate a gene network graph. A neural network model with weighted graph convolution layer was trained to predict the cancer stage for cancer patients. We employed the Kidney Renal Clear Cell Carcinoma dataset (TCGA-KIRC) from the Human Cancer Genome Atlas (TCGA) to predict the cancer stage for each patient. The TCGA-KIRC dataset includes 4 cancer stages, I, II, III, and IV. We generated a binary classification problem where stages I and II are classified as “early cancer stage” and stages III and IV are classified as “late cancer stage”. We compared our approach to the state of the art approaches such as random forest and support vector machine. Our approach achieved an accuracy of 82% which outperformed existing approaches with more than 3% increase.
早期发现癌症是有效治疗的关键一步。与传统方法相比,RNA -Seq是目前最先进的基因表达估计技术。RNA -Seq数据已用于研究和生产中,作为许多疾病(包括癌症分期)的几种分类和预测模型的输入数据。我们提出了一种基于基因表达数据的癌症分期预测方法。我们的方法是基于加权图卷积网络(GCN)。GCN是深度学习反向传播在图结构上的应用。在这项工作中,我们使用基因之间的相关性来生成基因网络图。采用带加权图卷积层的神经网络模型对癌症患者进行分期预测。我们使用来自人类癌症基因组图谱(TCGA)的肾透明细胞癌数据集(TCGA- kirc)来预测每位患者的癌症分期。TCGA-KIRC数据集包括4个癌症阶段,I、II、III和IV。我们生成了一个二元分类问题,其中I和II阶段被分类为“早期癌症阶段”,III和IV阶段被分类为“晚期癌症阶段”。我们将我们的方法与最先进的方法如随机森林和支持向量机进行了比较。我们的方法达到了82%的准确率,比现有的方法提高了3%以上。
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引用次数: 0
Enhanced K-Means Clustering Approach for Diagnosis Types of Acne 改进的k均值聚类方法诊断痤疮类型
Pub Date : 2021-09-23 DOI: 10.1109/ICITech50181.2021.9590124
C. Hayat
Acne is a skin disorder all humans almost have, both women and men. How to treat acne properly determines how quick you will be acne-free. Still, the dependency on doctors in conducting skin physical examinations to make an early diagnosis remains high. Therefore, this research was conducted by developing K-Means Clustering model for early diagnosis of types of acne experienced by the patients. The K-Means clustering algorithm were as follows: (a) determining the total clusters; (b) allocating the data into groups, randomly; (c) calculating the centroid in each cluster; (d) allocating each data to the centroid (e) repeating the centroid calculation if there were still data moving fro one cluster to another. The results of the performance of the K-means model would produce types of acne with four output categories according to the severity of acne such as: no acne (16.12%), mild acne (29.03%), moderate acne (32.25%), and severe acne (22.60%).
痤疮是一种几乎所有人都会有的皮肤病,无论男女。如何正确地治疗痤疮决定了你祛痘的速度。尽管如此,对医生进行皮肤体检以进行早期诊断的依赖程度仍然很高。因此,本研究通过建立K-Means聚类模型对患者所经历的痤疮类型进行早期诊断。K-Means聚类算法如下:(a)确定总聚类;(b)将数据随机分组;(c)计算每个聚类的质心;(d)将每个数据分配到质心(e)如果仍然有数据从一个集群移动到另一个集群,则重复质心计算。根据K-means模型的表现结果,根据痤疮的严重程度,会产生痤疮的类型,输出4个类别:无痤疮(16.12%)、轻度痤疮(29.03%)、中度痤疮(32.25%)、重度痤疮(22.60%)。
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引用次数: 4
Combination of Isolation Forest and LSTM Autoencoder for Anomaly Detection 结合隔离森林和LSTM自编码器进行异常检测
Pub Date : 2021-09-23 DOI: 10.1109/ICITech50181.2021.9590143
Celvin Yota Priyanto, Hendry, H. Purnomo
Land monitoring is important in agriculture. Early warning information regarding the land condition enable farmers to respond quickly when anomaly condition occures. However, identifying anomaly of land condition is not a simple task. In this research, a model of anomaly detection for land monitoring system is proposed. Raw data collected from land monitoring sensors is used as the dataset. Isolation Forest is used to transform the unlabeled data into labeled data. The labeled dataset is then used to create anomaly detection model using Long Short-Term Memory (LSTM) autoencoder. The experiments results show that the Isolation Forest has the potential to label data. The LSTM autoencoder has the accuracy 0.95 precision 0.96, recall 0.99 and flscore 0.97.
土地监测在农业中很重要。有关土地状况的早期预警信息使农民能够在异常情况发生时迅速作出反应。然而,识别土地状况异常并不是一项简单的任务。本文提出了一种用于土地监测系统的异常检测模型。从土地监测传感器收集的原始数据被用作数据集。隔离林用于将未标记数据转换为标记数据。然后将标记的数据集用于使用长短期记忆(LSTM)自编码器创建异常检测模型。实验结果表明,隔离森林具有标记数据的潜力。LSTM自编码器的准确率为0.95,精密度为0.96,召回率为0.99,flscore为0.97。
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引用次数: 4
Biomedical Image Quality Improvement with Spatial Domains 空间域生物医学图像质量改进
Pub Date : 2021-09-23 DOI: 10.1109/ICITech50181.2021.9590175
Erick Fernando, Pandapotan Siagian
Digital image processing aims to improve the quality of an original image so that it can display an image that is relatively better than the original image, so as to obtain the detailed information needed for an analysis need. Quality degradation Biomedical images in computerization usually experience changes in brightness, blur, and contrast stretching. Because of the deterioration in the image quality, doctors and patients cannot obtain the information needed for analysis, therefore the need for biomedical image processing techniques with spatial domain methods to improve the quality and details of information in the image so that it helps doctors in diagnosing. Data analysis is biomedical images like X-ray images, CT-Scan (Computer Tomographic Scan) images, and USG (Ultrasound Graphic) images. A focused study on improving image quality can be done with digital spatial domain image processing techniques. Digital domain image processing is digital image processing based on the manipulation of pixel values in the image directly, in the form of point processing and mask processing. Process testing for each image for Blur level is CT-scan images with a value of 0.98436, ultrasound images with a value of 0.9875, X-ray images with a value of 0.9836. This value is blur level value get near to 1 which means the image becomes clearer. The analysis results prove that the spatial domain method can clarify the object image in this study. The biomedical image quality processing model is proven to be able to improve the quality of the image that is declining due to the digitization process and assist the user in analyzing the biomedical image.
数字图像处理的目的是提高原始图像的质量,使其显示出比原始图像相对更好的图像,从而获得分析需要的详细信息。计算机化的生物医学图像通常会经历亮度、模糊和对比度拉伸的变化。由于图像质量的恶化,医生和患者无法获得分析所需的信息,因此需要采用空间域方法的生物医学图像处理技术来提高图像中信息的质量和细节,从而帮助医生进行诊断。数据分析是生物医学图像,如x射线图像,ct扫描(计算机断层扫描)图像和USG(超声图像)图像。数字空间域图像处理技术是提高图像质量的研究热点。数字域图像处理是在直接对图像中的像素值进行操纵的基础上,以点处理和掩模处理的形式进行的数字图像处理。每个图像的模糊程度的过程测试是ct扫描图像的值为0.98436,超声图像的值为0.9875,x射线图像的值为0.9836。这个值是模糊水平值接近1,这意味着图像变得更清晰。分析结果表明,空间域方法可以对本研究的目标图像进行清晰处理。实验证明,该生物医学图像质量处理模型能够改善由于数字化进程而导致的图像质量下降,并能辅助用户对生物医学图像进行分析。
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引用次数: 0
Measurement of Detection Rate Accuracy in Forecasting Crude Palm Oil Production using Fuzzy Time Series 模糊时间序列预测粗棕榈油产量的检出率准确度测量
Pub Date : 2021-09-23 DOI: 10.1109/ICITech50181.2021.9590172
Arif Ridho Lubis, S. Prayudani, Y. Fatmi, Al-Khowarizmi, Julham, Y. Y. Lase
Time Series is a superior method of predicting the future based on past data. Time series are also used in various businesses to make forecasts for profit. Time series data provide data visualization with statistical explanations necessary for business decisions. One of the businesses that operates for the needs of all elements is the Crude Palm Oil (CPO) commodity industry. Where the CPO price can be forecast using time series because it uses a series at the time available in fact. In this paper, 599 data of CPO price data were crawled from September 10, 2019 to April 30, 2021, then divided into 560 training data and 39 testing data. In this case, testing was carried out in measuring accuracy using MAPE in forecasting CPO prices. with time series getting 0.01781302% while accuracy is also measured by MAPE combined with detection rate gaining a percentage of 0.501031843%. This indicates that when forecasting with time series on CPO price data, the best accuracy is calculated using MAPE without any combination with other techniques.
时间序列是一种基于过去数据预测未来的优越方法。时间序列也被用于各种商业预测利润。时间序列数据为数据可视化提供了业务决策所必需的统计解释。原油棕榈油(CPO)商品行业是满足所有要素需求的行业之一。其中CPO价格可以用时间序列来预测因为它实际上使用了可用时间的序列。本文对2019年9月10日至2021年4月30日期间的599条CPO价格数据进行抓取,并将其分为560条训练数据和39条测试数据。在这种情况下,测试进行了测量精度使用MAPE预测CPO价格。MAPE结合检出率测量的准确率也达到了0.501031843%。这表明,当对CPO价格数据进行时间序列预测时,使用MAPE计算出的准确性最好,而不需要与其他技术相结合。
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引用次数: 2
Alphabetical Author Index 按字母顺序排列的作者索引
Pub Date : 2021-09-23 DOI: 10.1109/icitech50181.2021.9590106
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引用次数: 0
Comparison of Capacitated Vehicle Routing Problem Using Initial Route and Without Initial Route for Pharmaceuticals Distribution 药品配送有初始路径与无初始路径的有能力车辆路径问题比较
Pub Date : 2021-09-23 DOI: 10.1109/ICITech50181.2021.9590116
Jessi Febria, Christine Dewi, Evangs Mailoa
The demand for pharmaceuticals increased due to the second wave that happening in Indonesia. Pharmaceuticals distribution for hospitals in Central Java is developed in this paper, which is categorized as a Capacitated Vehicle Routing Problem (CVRP). The proposed method is using the same size K-means and Greedy algorithm as an initial route. The result of the initial route is a clustered route for each vehicle. Then, using Google OR-tools metaheuristics Guided Local Search, each cluster was re-optimized. This paper, proven that using the initial route has the effect of reducing runtime by 98.91% when compared to without the initial route. This is because using initial routes with the same size K-means means breaking the problem into parts, then using the Greedy algorithm can reduce the number of possible routes. However, the total distance increased by 8.11% because no cluster member is allowed to move to another cluster.
由于印度尼西亚发生的第二次浪潮,对药品的需求增加了。本文研究了中爪哇地区医院的药品配送问题,该问题被归类为有能力车辆路线问题(CVRP)。该方法采用相同大小的k均值和贪心算法作为初始路由。初始路线的结果是每个车辆的聚类路线。然后,使用Google or工具的元启发式引导局部搜索,对每个聚类进行重新优化。本文证明,与不使用初始路由相比,使用初始路由可使运行时间缩短98.91%。这是因为使用具有相同大小K-means的初始路由意味着将问题分解为多个部分,然后使用贪心算法可以减少可能的路由数量。但是,总距离增加了8.11%,因为不允许集群成员移动到另一个集群。
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引用次数: 1
Design and Validity Test of The Disaster Mitigation Information System Using EUCS Method 基于EUCS方法的减灾信息系统设计与有效性检验
Pub Date : 2021-09-23 DOI: 10.1109/ICITech50181.2021.9590163
K. Hartomo, Arnoldi Dea Tesa Hernanda
Natural disasters always cause loss of lives and properties in all regions of Indonesia. So far, coordination and disaster mitigation have not been integrated properly between disaster agencies and stakeholders so that negative impacts cannot be minimized. This research proposes an automated disaster mitigation system to increase the effectiveness of emergency response and aid after a natural disaster strikes, which the validity of the system's performance will be tested using the End-User Computing Satisfaction (EUCS) method. The disaster mitigation information system receives input of disaster event data which disaster information is then distributed them to agencies and stakeholders, and finally stakeholders can provide a response of aid through the system so that the synchronization and integration of the aid is well organized. The result of the validity test using the End-User Computing Satisfaction method shows a test score of 3.4 out of 4 for a total satisfaction score, thus this result indicates that the built disaster mitigation information system is in the category of satisfied and acceptable system by users.
在印度尼西亚所有地区,自然灾害总是造成生命和财产损失。到目前为止,灾害机构和利益攸关方之间的协调和减灾还没有适当地结合起来,因此无法尽量减少负面影响。本研究提出一套自动减灾系统,以提高自然灾害发生后应急响应和援助的有效性,并将使用终端用户计算满意度(eus)方法来测试系统性能的有效性。减灾信息系统接收灾害事件数据的输入,然后将灾害信息分发给各机构和利益相关者,最后利益相关者通过该系统提供援助响应,从而很好地组织援助的同步和整合。使用最终用户计算满意度法进行效度测试的结果显示,总满意度得分为3.4分(满分为4分),表明建成的减灾信息系统属于用户满意和可接受的系统。
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引用次数: 1
期刊
2021 2nd International Conference on Innovative and Creative Information Technology (ICITech)
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