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Fast Non-dominated Sorting in Multi Objective Genetic Algorithm for Bin Packing Problem 装箱问题多目标遗传算法的快速非支配排序
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.70677
Muhammad Bintang Bahy, Aina Musdholifah
The bin packing problem is a problem where goods with different volumes and dimensions are put into a container so that the volume of goods inserted is maximized. The problem of multi-objective bin packing is a problem that is more commonly found in everyday life, because what is considered in packing is usually not only volume.In this research, a multi-objective genetic algorithm is proposed to solve the multi-objective bin packing problem. The proposed genetic algorithm uses non-dominated sorting and crowding distance methods to get the best solution for each objective and to avoid bias. The algorithm is then tested with several test classes that represent different combinations of item and container sizes.From the results of the tests carried out, it was found that the proposed algorithm can find several solutions which are the best candidate solutions for each objective. Also found how the correlation of each objective in the population.
箱子包装问题是一个将不同体积和尺寸的货物放入容器中,以使插入的货物体积最大化的问题。多目标仓包装问题是一个在日常生活中更常见的问题,因为包装中考虑的通常不仅仅是体积。在本研究中,提出了一种多目标遗传算法来解决多目标装箱问题。所提出的遗传算法使用非支配排序和拥挤距离方法来获得每个目标的最佳解,并避免偏差。然后用几个测试类来测试该算法,这些测试类表示物品和容器大小的不同组合。根据测试结果,发现所提出的算法可以找到几个解,这些解是每个目标的最佳候选解。还发现了各目标在人群中的相关性。
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引用次数: 1
The Effect of Text Summarization in Essay Scoring (Case Study: Teach on E-Learning) 文本概括在作文评分中的作用(案例研究:网上教学)
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.69906
Sensa G. S. Syahra, Yunita Sari, Y. Suyanto
The development of automated essay scoring (AES) in the neural network (NN) approach has eliminated feature engineering. However, feature engineering is still needed, moreover, data with labels in the form of rubric scores, which are complementary to AES holistic scores, are still rarely found. In general, data without labels/scores is found more. However, unsupervised AES research has not progressed with the more common use of publicly labeled data. Based on the case studies adopted in the research, automatic text summarization (ATS) was used as a feature engineering model of AES and readability index as the definition of rubric values for data without labels.This research focuses on developing AES by implementing ATS results on SOM and HDBSCAN. The data used in this research are 403 documents of TEACH ON E-learning essays. Data is represented in the form of a combination of word vectors and a readability index. Based on the tests and measurements carried out, it was concluded that AES with ATS implementation had no good potential for the assessment of TEACH ON essays in increasing the silhouette score. The model produces the best silhouette score of 0.727286113 with original essay data.
在神经网络(NN)方法中,自动论文评分(AES)的发展已经消除了特征工程。然而,特征工程仍然是必要的,此外,与AES整体评分互补的具有量规评分形式标签的数据仍然很少找到。一般来说,没有标签/分数的数据更多。然而,无监督AES研究并没有随着公开标记数据的更普遍使用而取得进展。基于研究中采用的案例研究,使用自动文本摘要(ATS)作为AES的特征工程模型,使用可读性指数作为无标签数据的量规值的定义。本研究的重点是通过在SOM和HDBSCAN上实现ATS结果来开发AES。本研究所使用的资料为403篇电子学习教师论文。数据以单词矢量和可读性索引的组合形式表示。根据所进行的测试和测量,得出的结论是,在提高轮廓分数方面,采用ATS的AES在评估TEACH on论文方面没有很好的潜力。该模型在原始论文数据的基础上得出了0.727286113的最佳轮廓分数。
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引用次数: 0
Lampung Script Recognition Using Convolutional Neural Network 基于卷积神经网络的楠榜文字识别
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.70041
Panji Bintoro, A. Harjoko
The Lampung script is often used in writing words in Lampung language. The Lampung language itself is used by native Lampung people and people who learn Lampung language. The Lampung script is difficult to learn because there are many combinations of parent characters and subletters. CNN is a method in the field of object recognition that has a specific layer, namely a convolution layer and a pooling layer that allows the feature learning process well. Handwriting recognition as in character recognition in MNIST, CNN produces better performance compared to other methods. From the advantages of CNN, the CNN method with DenseNet architecture was chosen as the best architecture to recognize each Lampung script. In this study, there are 2 main processes, namely preprocessing, and recognition. This study succeeded in applying the CNN method which can recognize Lampung script. The dataset is divided into 4 groups of characters that have different sounds. First, the parent character data get 98% accuracy. Second, the parent letter data with the above letters get 98% accuracy. Third, the parent character data with the sub-letters on the side get 98% accuracy. Fourth, the parent letter data with the lower letters get 97% accuracy.
楠榜语是楠榜语中常用的文字。南榜语本身由南榜本地人和学习南榜语的人使用。楠榜文字很难学,因为有很多父字符和子字母的组合。CNN是物体识别领域的一种方法,它有一个特定的层,即卷积层和池化层,可以很好地进行特征学习过程。手写识别与MNIST中的字符识别一样,CNN比其他方法产生更好的性能。从CNN的优点出发,选择了DenseNet架构的CNN方法作为识别各个楠榜文字的最佳架构。在本研究中,主要有两个过程,即预处理和识别。本研究成功应用CNN方法对楠榜文字进行识别。该数据集被分为4组具有不同发音的字符。首先,父字符数据准确率达到98%。其次,具有上述字母的父字母数据准确率达到98%。第三,带有子字母的父字符数据获得98%的准确率。第四,母字母与下字母数据的准确率达到97%。
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引用次数: 0
Tegal Tourism Object Selection Decision Support System Using Fuzzy Logic 基于模糊逻辑的合法旅游对象选择决策支持系统
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.70226
Dika Permana Putra, Sigit Priyanta
There are many agencies that have databases but are left without proper management. For example, in tourist attractions in Kota & Kab. Tegal, along with the rapid development of tourism technology, the tourism industry requires the tourism industry to apply information technology to provide convenience for tourists to find out tourist areas according to the cost, and the distance of the tourist attractions entered. The provision of tourism information helps tourists to consider and make decisions to travel. Tahani Fuzzy Logic was chosen because the concept of Fuzzy logic is easy to understand, flexible, and because the Tahani logic method is a form of decision support where the main tool is functional with the main input criteria determined by the user/tourist. This system was implemented using web programming and MySQL database, where the variables to be considered are Type of Tour, Number of Facilities, Price of Tour Tickets, Number of Tourist Visitors, Travel Distance from City Center. The results of this study are a decision support system for tourism selection in Tegal using Fuzzy Tahani which can recommend tourist attractions in Tegal which are determined by tourists depending on tourist criteria based on the firestrength of the selected variables
有很多机关虽然有数据库,但没有适当的管理。例如,在哥打和甲布的旅游景点。合法的,随着旅游技术的飞速发展,旅游业要求旅游业应用信息技术,为旅游者根据费用、进入旅游景点的距离等信息查找旅游区提供便利。旅游信息的提供有助于游客考虑并做出旅游决定。选择Tahani模糊逻辑是因为模糊逻辑的概念易于理解,灵活,并且因为Tahani逻辑方法是一种决策支持形式,其中主要工具是由用户/游客确定的主要输入标准的功能。本系统采用web编程和MySQL数据库实现,其中考虑的变量为旅游类型、设施数量、旅游门票价格、游客人数、到市中心的距离。本研究的结果是利用模糊塔哈尼理论为泰格旅游选择提供决策支持系统,该系统可以根据所选变量的强度,根据游客标准推荐泰格旅游景点
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引用次数: 0
Decision Support System to Prioritize Ventilators for COVID-19 Patients using AHP, Interpolation, and SAW 基于AHP、插值和SAW的COVID-19患者呼吸机优先排序决策支持系统
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.70985
Nikolas Adhi Prasetyo, Retantyo Wardoyo
Ventilator shortages is a common problem faced by hospitals during the COVID-19 pandemic era. Healthcare workers are forced to make choices because of how big the difference between resources and lives needing it. This issue rarely comes, because normally every patient has the same rights to receive treatment and resources, but it becomes a clear problem when there are barely enough resources. Therefore, a prioritization mechanism that can objectively decide the allocation must be made to achieve the best outcome.A decision support system is a system that can support humans using data as decision makers to help them decide semi-structured/unstructured problems. The goal of this research is to create a DSS to prioritize patients who need a ventilator by incorporating two different methods, which are AHP, Interpolation, and SAW. It is hoped that the result of the research can be used to rank patients based on predetermined criterias and policy.
呼吸机短缺是新冠肺炎大流行时期医院面临的普遍问题。卫生保健工作者被迫做出选择,因为资源和需要资源的生命之间存在巨大差异。这个问题很少出现,因为通常每个病人都有同样的接受治疗和资源的权利,但当资源几乎不足时,这就成为一个明显的问题。因此,必须制定一个能够客观决定分配的优先级机制,以达到最佳结果。决策支持系统是一个能够支持人类使用数据作为决策者来帮助他们决定半结构化/非结构化问题的系统。本研究的目的是通过结合AHP、插值和SAW两种不同的方法,创建一个DSS来优先考虑需要呼吸机的患者。希望研究结果可以用于根据预先确定的标准和政策对患者进行排名。
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引用次数: 1
Comparison of SVM and LIWC for Sentiment Analysis of SARA SVM与LIWC在严重急性呼吸系统综合征情绪分析中的比较
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.69617
Eka Karyawati, Prasetyo Adi Utomo, Gede Arta Wibawa
SARA is a sensitive issue based on sentiments about self-identity regarding ancestry, religion, nationality or ethnicity. The impact of the issue of SARA is conflict between groups that leads to hatred and division. SARA issues are widely spread through social media, especially Twitter. To overcome the problem of SARA, it is necessary to develop an effective method to filter negative SARA. This study aims to analyze Indonesian-language tweets and determine whether the tweet contains positive or negative SARA or does not contain SARA (neutral). Machine learning (i.e., SVM) and lexicon-based method (i.e., LIWC) were compared based on 450 tweet data to determine the best approach for each sentiment (positive, negative, and neutral). The best evaluation results are shown in the negative SARA classification using SVM with λ = 3 and γ = 0.1, where Precision = 0.9, Recall = 0.6, and F1-Score = 0.72. The best results from the positive SARA classification were shown in the LIWC method, where Precision = 0.6, Recall = 0.8, and F1-Score = 0.69. The best evaluation results for neutral classification are shown in SVM with λ = 3 and γ = 0.1, with Precision = 0.52, Recall = 0.87, and F1-Score = 0.65.
严重急性呼吸系统综合征是一个基于对祖先、宗教、国籍或种族的自我认同情绪的敏感问题。严重急性呼吸系统综合征问题的影响是群体之间的冲突,导致仇恨和分裂。严重急性呼吸系统综合征问题通过社交媒体,尤其是推特广泛传播。为了克服严重急性呼吸系统综合征的问题,有必要开发一种有效的方法来过滤阴性严重急性呼吸综合征。本研究旨在分析印尼语推文,并确定推文是否包含积极或消极的严重急性呼吸系统综合征或不包含严重急性呼吸综合征(中性)。基于450条推特数据,比较了机器学习(即SVM)和基于词典的方法(即LIWC),以确定每种情绪(积极、消极和中性)的最佳方法。最佳评估结果显示在使用SVM的阴性严重急性呼吸系统综合征分类中,λ=3,γ=0.1,其中Precision=0.9,Recall=0.6,F1 Score=0.72。阳性严重急性呼吸系统综合征分类的最佳结果显示在LIWC方法中,其中Precision=0.6,Recall=0.8,F1 Score=0.69。中性分类的最佳评估结果显示在SVM中,λ=3,γ=0.1,Precision=0.52,Recall=0.87,F1 Score=0.65。
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引用次数: 2
Selection of the Best K-Gram Value on Modified Rabin-Karp Algorithm 基于改进Rabin-Karp算法的最佳K-Gram值的选择
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.63686
Wahyu Hidayat, Ema Utami, A. Sunyoto
The Rabin-Karp algorithm is used to detect similarity using hashing techniques, from related studies modifications have been made in the hashing process but in previous studies have not been conducted research for the best k value in the K-Gram process. At the stage of stemming the Nazief & Adriani algorithm is used to transform the words into basic words. The researcher uses several variations of K-Gram values to determine the best K-Gram values. The analysis was performed using Ukara Enhanced public data obtained from the Kaggle with a total of 12215 data. The student essay answers data totaled to 258 data in the group A and 305 in the group B, every student essay answers data in each group will be compared with the answers of other fellow group member. Research results are the value of k = 3 has the best performance which has the highest some interpretations of 1-14%  (Little degree of similarity) and 15-50% (Medium level of similarity) compared to values of k = 5, 7, and 9 which have the highest number of interpretation results 0%-0.99% (Document is different). However, if the students essay answers compared have 100% (Exactly the same) interpretations, the k value on K-Gram does not affect the results.
使用Rabin-Karp算法使用哈希技术检测相似性,相关研究对哈希过程进行了修改,但在以往的研究中没有对k - gram过程中的最佳k值进行研究。在词干提取阶段,使用Nazief & Adriani算法将单词转化为基本单词。研究人员使用K-Gram值的几种变化来确定最佳K-Gram值。分析使用了从Kaggle获得的Ukara Enhanced公共数据,共有12215个数据。A组学生作文答案数据为258个数据,B组为305个数据,每组的每个学生作文答案数据将与其他组员的答案进行比较。研究结果表明,k = 3的值表现最好,解释结果最多,为1-14%(相似度小)和15-50%(相似度中等),而k = 5、7和9的值解释结果最多,为0%-0.99%(文献不同)。然而,如果学生的作文答案有100%(完全相同)的解释,k - gram上的k值不影响结果。
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引用次数: 0
Modification Weight Criteria With Webbed Model For Selection Artist Music Festival Using Analytical Hierarchy Process (AHP) 基于层次分析法(AHP)的艺术家音乐节选择的韦伯模型修正权准则
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.72434
Gede Iwan Sudipa, P. Sugiartawan, I. A. Wiguna
The process of selecting from many alternatives to the criteria is a decision that is often determined in decision making. The criteria for which criteria can consist of many attributes are used by decision-makers in making the selection or are called multi-criteria decision making (MADM ). Determining the Artist Music Festival at an event has quite a complicated difficulty, because the assessment of the criteria is heterogeneous. The spider web's approach to integrating criteria results in the selection of the artist form that attracts the most attention, and public interest. Model AHP use of multi-attributes is used in selecting artists to perform at music festivals, selecting artists using criteria, namely Number of Followers (C1), stamp C2, Average Popular Tracks (C3), Average Youtube Viewers (C4), and the price of the artist (C5). Data on the number of followers, popularity, average popular tracks, and average YouTube viewers were obtained using the Spotify and Youtube APIs. The settlement method applied is the Analytical Hierarchy Process (AHP) and the Rating Scale algorithm, with an alternative using five samples of Indonesian artists. The research results are expected to provide recommendations for artists as performers in the music festival.
从许多标准的替代方案中进行选择的过程是一个经常在决策过程中确定的决定。决策者在进行选择时使用的标准可以由许多属性组成,这些标准被称为多标准决策(MADM)。在一个活动中确定艺术家音乐节是一个相当复杂的困难,因为对标准的评估是异质的。蜘蛛网整合标准的方法导致了最受关注和公众兴趣的艺术家形式的选择。模型AHP使用多属性来选择在音乐节上表演的艺术家,使用标准来选择艺术家,即追随者数量(C1)、邮票C2、平均流行曲目(C3)、平均Youtube观众(C4)和艺术家的价格(C5)。使用Spotify和YouTube API获得了关注者数量、受欢迎程度、平均流行曲目和YouTube平均观看人数的数据。采用的解决方法是层次分析法(AHP)和评分量表算法,另一种方法是使用五个印尼艺术家样本。该研究结果有望为音乐节上的表演者提供建议。
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引用次数: 2
Behind the Mask: Detection and Recognition Based-on Deep Learning 面具背后:基于深度学习的检测和识别
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.72075
Ade Nurhopipah, Irfan Rifai Azziz, Jali Suhaman
COVID-19 prevention procedures are executed to support public services and business continuity in a pandemic situation. Manual mask use monitoring is not efficient as it requires resources to monitor people at all times. Therefore, this task can be supported by automated surveillance systems based on Deep Learning. We performed mask detection and face recognition for a real-environment dataset. YOLOV3 as a one-stage detector was implemented to simultaneously generate a bounding box of the face area and class prediction. In face recognition, we compared the performance of three pre-trained models, namely ResNet152V2, InceptionV3, and Xception. The mask detection showed promising results with MAP=0.8960 on training and MAP=0.8957 on validation. We chose the Xception model for face recognition because it has equal quality as ResNet152V2 but has fewer parameters. Xception achieved a minimal loss value in the validation of 0.09157 with perfect accuracy on facial images larger than 100 pixels. Overall the system delivers promising results and can identify faces, even those behind the mask.
执行新冠肺炎预防程序是为了在大流行情况下支持公共服务和业务连续性。手动口罩使用监控并不高效,因为它需要资源来随时监控人员。因此,这项任务可以得到基于深度学习的自动化监控系统的支持。我们对真实环境数据集进行了掩码检测和人脸识别。YOLOV3作为一级检测器被实现为同时生成人脸区域的边界框和类别预测。在人脸识别方面,我们比较了三个预训练模型的性能,即ResNet152V2、InceptionV3和Xception。掩码检测显示出有希望的结果,训练时MAP=0.8960,验证时MAP=0.8 957。我们选择Xception模型进行人脸识别,因为它具有与ResNet152V2相同的质量,但参数较少。Xception在大于100像素的面部图像上以完美的精度实现了0.09157的最小损失值。总的来说,该系统提供了有希望的结果,可以识别人脸,甚至是面具后面的人脸。
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引用次数: 0
Face Image Generation and Enhancement Using Conditional Generative Adversarial Network 基于条件生成对抗网络的人脸图像生成与增强
Pub Date : 2022-01-31 DOI: 10.22146/ijccs.58327
Ainil Mardiah, Sri Hartati, Agus Sihabuddin
The accuracy and speed of a single image super-resolution using a convolutional neural network is often a problem in improving finer texture details when using large enhancement factors. Some recent studies have focused on minimal mean square error, resulting in a high peak signal to noise ratio. Generally, although the peak signal to noise ratio has a high value, the output image is less detailed. This shows that the determination of super-resolution is not optimal. Conditional Generative Adversarial Network based on Boundary Equilibrium Generative Adversarial Network, by combining Mean Square Error Loss and GAN Loss as a loss function to optimize the super-resolution model and produce super-resolution images. Also, the generator network is designed with skip connection architecture to increase convergence speed and strengthen feature distribution. Image quality value parameters used in this study are Peak Signal to Noise Ratio (PSNR) and Structural Similarity Index (SSIM). The results showed the highest image quality values using dataset validation were 26.55 for PSNR values and 0.93 for SSIM values. The highest image quality values using the testing dataset are 24.56 for the PSNR value and 0.91 for the SSIM value.
当使用大的增强因子时,使用卷积神经网络的单个图像超分辨率的准确性和速度在改善更精细的纹理细节方面通常是一个问题。最近的一些研究集中在最小均方误差上,从而导致高峰值信噪比。通常,尽管峰值信噪比具有高值,但是输出图像不太详细。这表明超分辨率的确定不是最优的。条件生成对抗网络基于边界平衡生成对抗网络,通过将均方误差损失和GAN损失作为损失函数来优化超分辨率模型并生成超分辨率图像。此外,生成器网络采用跳接结构设计,以提高收敛速度并加强特征分布。本研究中使用的图像质量值参数是峰值信噪比(PSNR)和结构相似性指数(SSIM)。结果显示,使用数据集验证的最高图像质量值PSNR值为26.55,SSIM值为0.93。使用测试数据集的最高图像质量值对于PSNR值为24.56,对于SSIM值为0.91。
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引用次数: 0
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IJCCS Indonesian Journal of Computing and Cybernetics Systems
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