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2019 3rd International Conference on Informatics and Computational Sciences (ICICoS)最新文献

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Missing Value Analysis of Numerical Data using Fractional Hot Deck Imputation 基于分数热甲板法的数值数据缺失值分析
Pub Date : 2019-10-01 DOI: 10.1109/ICICoS48119.2019.8982412
Samuel Zico Christopher, T. Siswantining, Devvi Sarwinda, Alhadi Bustaman
One of the solutions of missing value in a survey is imputation. Imputation is a method to replace the missing value with the imputed value from a particular technique, such as mean value, median value, etc. This paper specifically discusses a technique that fuses fractional imputation technique and hot-deck imputation technique. Fractional imputation is popular because this imputation tends to produce lower standard error compared to other methods. Unfortunately, fractional imputation tends to extend the number of observations. Because of the observation extension, sampling becomes a solution to produce less observation. Sampling limits the numbers of imputed values (donor) in the observations by using hot deck imputation nature. The imputation that fuses fractional imputation and hot-deck imputation is known as the fractional hot deck. This paper presents three things about fractional hot deck imputation, first, it shows that the result of fractional hot deck imputation produces fewer donor than fractional imputation, but still has a similar property to fractional imputation that presented in linear regression; Second, it presents an additional information about it's effect on modifying it's k-value in discretization step and the standard error of regression; Third, it presents the comparison of standard errors with fractional imputation, listwise deletion, mean imputation, and median imputation.
调查中缺失价值的解决方法之一是归算。代入是一种用特定技术的代入值(如平均值、中位数等)代替缺失值的方法。本文具体讨论了一种将分数归算技术与热甲板归算技术相结合的方法。分数归算之所以流行,是因为与其他方法相比,这种归算倾向于产生更低的标准误差。不幸的是,分数归算倾向于扩大观测的数量。由于观测值的可拓性,采样成为一种产生较少观测值的解决方案。抽样利用热甲板归算特性,限制了观测值中输入值(供体)的数量。将分数归算和热甲板归算相结合的归算称为分数热甲板归算。本文介绍了关于分数阶热甲板归算的三个问题:第一,分数阶热甲板归算的结果比分数阶归算产生的供体少,但仍然具有线性回归中表现出的与分数阶归算相似的性质;其次,给出了它对离散化步骤中k值的修改和回归标准误差的影响的附加信息;第三,比较了分数代入、列表删除、均值代入和中位数代入的标准误差。
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引用次数: 11
Genetic Algorithm-Based Feature Selection and Optimization of Backpropagation Neural Network Parameters for Classification of Breast Cancer Using MicroRNA Profiles 基于遗传算法的特征选择和基于MicroRNA谱的乳腺癌分类反向传播神经网络参数优化
Pub Date : 2019-10-01 DOI: 10.1109/ICICoS48119.2019.8982530
Amazona Adorada, A. Wibowo
Breast cancer is one of the most common types of cancer found in women. Breast cancer mortality increases every year because it has not found an appropriate early detection method. MicroRNA can be used as a potential biomarker, because the profile of the microRNA feature in breast cancer will decrease or increase the value of expression compared to normal conditions. But because of the thousands of types of microRNA that make up breast cancer, a lot of money is needed to detect it entirely. Backpropagation Artificial Neural Network Method has good performance in generalization, so it is suitable to be used as a method for classification with many features. The classification results from the neural network model will be more accurate if the parameters used can be optimized precisely. Genetic algorithms can be used to optimize backpropagation neural network parameters as well as feature selection, because of its global search characteristics. This study aims to compare the performance of backpropagation artificial neural networks optimized parameters as well as feature selection using genetic algorithms (GABPNN_ FS) with backpropagation artificial neural networks optimized using genetic algorithms without feature selection (GABPNN). The results showed that the GABPNN had better results with an error value of 0.016115. But GABPNN_ FS has a faster average process duration of 53.2689 seconds. The best individual chromosome translation results on GABPNN_ FS for breast cancer classification based on microRNA profile are random state = 6098, learning rate = 0.7, number of neuron hidden = 6, and selected features = 707 features that produce accuracy, sensitivity, and specificity ie 97.50 %, 99.00% and 96.00%.
乳腺癌是女性中最常见的癌症之一。由于没有找到适当的早期检测方法,乳腺癌死亡率每年都在增加。MicroRNA可以作为一种潜在的生物标志物,因为与正常情况相比,MicroRNA特征在乳腺癌中的表达值会降低或增加。但是由于构成乳腺癌的microRNA有数千种,因此要彻底检测它需要大量的资金。反向传播人工神经网络方法具有良好的泛化性能,适合用于多特征的分类方法。如果能精确地优化使用的参数,神经网络模型的分类结果将更加准确。遗传算法具有全局搜索的特点,可用于反向传播神经网络参数优化和特征选择。本研究旨在比较使用遗传算法优化参数和特征选择的反向传播人工神经网络(GABPNN_ FS)与使用不使用特征选择的遗传算法优化的反向传播人工神经网络(GABPNN)的性能。结果表明,GABPNN具有较好的识别效果,误差值为0.016115。而GABPNN_ FS的平均进程持续时间更快,为53.2689秒。在GABPNN_ FS上,基于microRNA谱进行乳腺癌分类的最佳个体染色体翻译结果为随机状态= 6098,学习率= 0.7,隐藏神经元数= 6,选择特征= 707个特征,准确度、灵敏度和特异性分别为97.50%、99.00%和96.00%。
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引用次数: 2
The Effect of Knowledge Management System on Software Development Process with Scrum 知识管理系统对Scrum软件开发过程的影响
Pub Date : 2019-10-01 DOI: 10.1109/ICICoS48119.2019.8982506
Mochamad Umar Al Hafidz, D. I. Sensuse
Abstraet-Scrum as one of a popular agile frameworks is quite flexible to changes. However, this behavior is accompanied by several shortcomings, especially the documentation section since its dependence on direct communication. Therefore, the use of knowledge management in Scrum seems to be important. Knowledge management in Scrum was influenced by several challenges such as the various locations of the team members, the changes of software developers, the methods for large-scale projects, and the needs for high-quality software. These problems need to be resolved to avoid the amount of knowledge loss. Therefore researchers want to find out more about how knowledge management system influences the development of scrum-based software and its effect on developers' performance. This study uses a quasi-experimental approach with the application in the real world to startup companies. A quasi-experimental is research method used to compare the effect before and after treatment in a group by comparing the performance conditions before and after the implementation of the knowledge management system. The data collected from experiment are scrum artefact, knowledge artefact, and developers' performance (using IWQP). The first experiment for the group lasted for two sprints using a scrum support system. Knowledge management system based scrum used for the second experiment. The findings obtained were an increase in adaptation performance of 8%, contextual performance of 12%, and improvement of knowledge circulation from the development team. The Knowledge Management System is proven to be able to improve and handle the knowledge circulation in Scrum and give impact to software developers.
摘要:scrum作为一种流行的敏捷框架,对变化具有相当的灵活性。然而,这种行为伴随着一些缺点,特别是文档部分,因为它依赖于直接通信。因此,在Scrum中使用知识管理似乎很重要。Scrum中的知识管理受到几个挑战的影响,比如团队成员的不同位置、软件开发人员的变化、大型项目的方法以及对高质量软件的需求。这些问题需要解决,以避免大量的知识损失。因此,研究人员希望更多地了解知识管理系统如何影响基于scrum的软件开发及其对开发人员绩效的影响。本研究采用准实验方法,并将其应用于现实世界中的创业公司。准实验是通过比较知识管理系统实施前后的绩效状况,对一组患者治疗前后的效果进行比较的研究方法。从实验中收集的数据是scrum工件、知识工件和开发人员的性能(使用IWQP)。小组的第一个实验持续了两个sprint,使用scrum支持系统。第二个实验采用了基于scrum的知识管理系统。获得的结果是适应性能提高了8%,上下文性能提高了12%,并且开发团队的知识循环得到了改善。知识管理系统被证明能够改善和处理Scrum中的知识循环,并对软件开发人员产生影响。
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引用次数: 1
An Assesment of Knowledge Sharing System: SCeLE Universitas Indonesia 知识共享系统的评估:SCeLE Universitas Indonesia
Pub Date : 2019-10-01 DOI: 10.1109/ICICoS48119.2019.8982406
Nadya Safitri, N. Pohan, D. I. Sensuse, Deki Satria, Shidiq Al Hakim
Universitas indonesia's learning system called SCeLE that it still lacks use by learners in Universitas Indonesia. Its impacts not yet give satisfaction to them. Therefore, It needs to evaluate SCeLE Universitas Indonesia. The model is a modification of the Delone and McLean's model. It examined using a survey by questionnaire and distributed to learners experience using SCeLE Universitas Indonesia. The data used and analyzed using SmartPLS 3. From 78 usable data, its found system quality, perceived usefulness, peer influence, subjective norms have a significant affect on learner satisfaction. Service quality, course quality, and lecturer quality do not have a significant affect on learner satisfaction. Research findings in the model can use a reference for the next paper using sample data from other university case studies.
印尼大学的学习系统称为SCeLE,但仍缺乏印尼大学学习者的使用。它的影响还没有让他们满意。因此,它需要评估SCeLE Universitas Indonesia。该模型是对Delone和McLean模型的修改。它通过问卷调查进行了审查,并向学习者分发了使用印度尼西亚SCeLE大学的经验。数据使用和分析使用SmartPLS 3。从78个可用数据中发现,系统质量、感知有用性、同伴影响、主观规范对学习者满意度有显著影响。服务质量、课程质量和讲师质量对学习者满意度没有显著影响。模型的研究成果可以为下一篇使用其他大学案例研究样本数据的论文提供参考。
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引用次数: 0
Application of A Causal Discovery Model to Study The Effect of Iron Supplementation in Children with Iron Deficiency Anemia 应用因果发现模型研究补铁对缺铁性贫血儿童的影响
Pub Date : 2019-10-01 DOI: 10.1109/ICICoS48119.2019.8982503
F. A. Nugroho, T. Ederveen, A. Wibowo, J. Boekhorst, M. D. de Jonge, T. Heskes
Most clinical studies are descriptive, measuring different parameters that are associated with certain treatment effects, while causal relations cannot be confirmed. Computational models aid researchers to make predictions of causality and help to focus on the most relevant part of the data. This study used a computational model to find a causal link between iron supplementation effectiveness, RTI, and systemic inflammation parameters, and gut microbiome profiles. We used a causal discovery algorithm on a randomized controlled trial dataset (n=72) of 6 month-old infants from Kenya. We also used correlation and partial correlation to determine the causal effect of any causal link. We found that (1) expression of the Transferrin Receptor (TfR) has a positive causal link with the serum TfR-Ferritin ratio, whereasserumFerritin levels have a negative causal link to TfR expression. (2) C-Reactive Protein (CRP) together with IL-8 and IL-1B have a positive causal relation with IL-6. (3) No causal link between iron supplementation and gut microbiome profile. The first and second result is in accordance with the currentbiological research findings. While the third result shows no causality model, the skeleton might give information for future studies on understanding the gut microbiome profile. Computer modeling helped to uncover causality between clinical parameters in iron deficiency anemia children with iron-micronutrient supplementation. This could lead to more focused studies to better understand the iron supplementation practice as well as the biological mechanism of RTI, gut microbiome alteration, and iron supplementation.
大多数临床研究是描述性的,测量与某些治疗效果相关的不同参数,而因果关系无法确认。计算模型帮助研究人员预测因果关系,并帮助关注数据中最相关的部分。本研究使用计算模型来寻找补铁效果、RTI、全身炎症参数和肠道微生物群特征之间的因果关系。我们对来自肯尼亚的6个月大婴儿的随机对照试验数据集(n=72)使用了因果发现算法。我们还使用相关和部分相关来确定任何因果关系的因果效应。我们发现:(1)转铁蛋白受体(TfR)的表达与血清TfR-铁蛋白比值呈正相关,而血清铁蛋白水平与TfR表达呈负相关。(2) c -反应蛋白(CRP)、IL-8、IL-1B与IL-6呈正相关。(3)补铁与肠道微生物群之间没有因果关系。第一、二项结果与目前生物学研究成果一致。虽然第三个结果没有显示因果关系模型,但骨骼可能为未来了解肠道微生物组概况的研究提供信息。计算机模型有助于揭示缺铁性贫血儿童补充微量铁元素的临床参数之间的因果关系。这可能会导致更有针对性的研究,以更好地了解铁补充实践以及RTI的生物学机制,肠道微生物组改变和铁补充。
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引用次数: 1
Attribute Selection for Detection of Soybean Plant Disease and Pests 大豆病虫害检测的属性选择
Pub Date : 2019-10-01 DOI: 10.1109/ICICoS48119.2019.8982483
S. Endah, E. Sarwoko, P. S. Sasongko, R. A. Ulfattah, S. R. Juwita
Soybean is one of Indonesia's main commodities that is widely used as a secondary food source because of its protein content. This article compares three attribute selection algorithms, namely Backward Elimination, Forward Selection, and Stepwise Regression with Learning Vector Quantization2 (LVQ2) classifier to detect soybean to avoidance the diseases and pests. Attribute selection is needed at the pre-processing phase of soybean disease data. By selecting relevant data attributes, it is expected that detection accuracy can be maximally generated with minimum computation. The selected attributes are then classified using the LVQ2 method which is a variation of the development of LVQ. LVQ2 has the ability to classify several diseases better than LVQ with the existence of two reference vectors for weight update. The experimental results show that the best parameter for feature selection are p 0.25, a-enter 0.095 and a-remove 0.095 which can reduce the attribute up to 20 attributes with LVQ2 classification accuracy reaching 91%. The results of this accuracy can be obtained through all three selection algorithms.
大豆是印度尼西亚的主要商品之一,由于其蛋白质含量高,被广泛用作次要食品来源。本文比较了三种属性选择算法,即反向消除、正向选择和逐步回归与学习向量量化(LVQ2)分类器在大豆检测中的应用,以避免病虫害。在大豆病害数据预处理阶段需要进行属性选择。通过选择相关的数据属性,期望以最小的计算量获得最大的检测精度。然后使用LVQ2方法对选定的属性进行分类,LVQ2方法是LVQ开发的一种变体。LVQ2具有比LVQ更好的几种疾病分类能力,并且存在两个权重更新参考向量。实验结果表明,特征选择的最佳参数为p为0.25,a-enter为0.095,a-remove为0.095,可减少多达20个属性,LVQ2分类准确率达到91%。通过三种选择算法均可获得该精度的结果。
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引用次数: 1
Welcome Speech from General Chair of ICICoS 2019 ICICoS 2019主席欢迎辞
Pub Date : 2019-10-01 DOI: 10.1109/icicos48119.2019.8982479
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引用次数: 0
Comparative Experimental Study of Multi Label Classification using Single Label Ground Truth with Application to Field Majoring Problem 基于单标签真值的多标签分类与应用于现场重大问题的对比实验研究
Pub Date : 2019-10-01 DOI: 10.1109/ICICoS48119.2019.8982464
O. Adikhresna, R. Kusumaningrum, B. Warsito
Researches on multi label classification methods generally use training data that already have multi label output as ground truth, but there are real-world problems where it is required to produce multi label prediction output but the available training data only have single label as ground truth. This study compared the performance of various multi label classification methods i.e. Ranking Support Vector Machine (Rank-SVM), Backpropagation for Multi Learning (BP-MLL), Multi Label K-Nearest Neighbor (ML-KNN), and Multi Label Radial Basis Function (ML-RBF) that were trained using multi label training data as intended and which were trained using single label training data. The dataset used in this research is an example of real-world problem, namely the personality-aptitude psychological test results is used to predict suitable majors in vocational high school. The results showed that hamming loss between the two was not far adrift so that it can be concluded that in certain problems, multi label classification methods can train single label and still produce multi label predictions with fairly good accuracy.
多标签分类方法的研究一般使用已有多标签输出的训练数据作为基础真值,但现实世界中存在需要产生多标签预测输出,而现有训练数据只有单一标签作为基础真值的问题。本研究比较了各种多标签分类方法的性能,即排名支持向量机(Rank-SVM)、反向传播多学习(BP-MLL)、多标签k近邻(ML-KNN)和多标签径向基函数(ML-RBF),这些方法使用多标签训练数据进行训练,使用单标签训练数据进行训练。本研究使用的数据集是一个现实问题的例子,即人格倾向心理测试结果用于预测职业高中的合适专业。结果表明,两者之间的汉明损失相差不大,因此可以得出结论,在某些问题中,多标签分类方法可以训练单个标签,并且仍然可以产生相当好的多标签预测。
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引用次数: 0
Workflow Complexity in Constructive Cost Model II 构建成本模型中的工作流复杂性2
Pub Date : 2019-10-01 DOI: 10.1109/ICICoS48119.2019.8982515
Sholiq Sholiq, R. Sarno, A. Tjahyanto, A. D. Wulandari
In developing software for the automation of an organization's business processes, it is important to include the complexity of business processes as one of the cost drivers when determining the estimate costs of project. In this paper, we propose a model for calculating the complexity of business processes using cyclometric complexity which was initially used as a quantitative measure of the logic complexity of a program. Furthermore, the results of measuring the complexity of the workflow are attached to one of the multiplier efforts in constructive cost model (COCOMO) II.
在为组织业务流程的自动化开发软件时,在确定项目估计成本时,将业务流程的复杂性作为成本驱动因素之一包括进来是很重要的。在本文中,我们提出了一个使用循环复杂度计算业务流程复杂性的模型,该模型最初被用作程序逻辑复杂度的定量度量。此外,测量工作流程复杂性的结果附加到构建成本模型(COCOMO) II中的乘数努力之一。
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引用次数: 2
Trust and Risk for Measuring OnlineTax Application Acceptance 衡量网上税务申请接受程度的信任与风险
Pub Date : 2019-10-01 DOI: 10.1109/ICICoS48119.2019.8982473
Wulan Tri Lestari, E. Suharto, P. W. Wirawan, Kabul Kurniawan
OnlineTax was intended as an effective e-filing application. However in its implementation, the number of OnlineTax application users is still under expectation. This study was conducted to measure the acceptance of OnlineTax application in Tax Office Pratama Salatiga City in Indonesia. The model used in this study was Technology Acceptance Model (TAM) with the addition of trust and risk variables. The model was applied to 50 samples by using Partial Least Square (PLS) to test the conceptual model. Data were obtained through offline distribution of questionnaires to taxpayer in a certain time periods. Results obtained from this study indicated that perceived usefulness and trust had a significant effect on the intention to use the OnlineTax application. Meanwhile the risk did not have any significant effect on the intention to use the application. Risk variable in t-statistics had smaller than t-table (1.68), the hypothesis can not be accepted.
OnlineTax是一个有效的电子申报应用程序。然而,在实施过程中,“网上税务”应用程序的用户数量仍低于预期。本研究旨在测量印尼萨拉提加市普拉塔玛市税务局对网上税务申请的接受程度。本研究使用的模型是技术接受模型(TAM),并增加了信任和风险变量。采用偏最小二乘法(PLS)对50个样本进行了概念模型检验。数据是通过在一定时期内向纳税人发放线下调查问卷的方式获取的。本研究结果表明,感知有用性和信任对使用在线税务应用程序的意向有显著影响。同时,风险对使用应用程序的意图没有任何显著影响。风险变量在t统计量上小于t表(1.68),假设不能被接受。
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引用次数: 1
期刊
2019 3rd International Conference on Informatics and Computational Sciences (ICICoS)
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