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2016 2nd International Conference on Science in Information Technology (ICSITech)最新文献

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Comparison of SARIMA, NARX and BPNN models in forecasting time series data of network traffic SARIMA、NARX和BPNN模型在预测网络流量时间序列数据中的比较
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852645
Haviluddin, N. Dengen
The investigation and forecasting network traffic usage is an essential concern in the academic activities of university. This paper reports how to apply and compare SARIMA, NARX, and BPNN by using short-term time series datasets. The network traffic datasets are obtained from the ICT Universitas Mulawarman. As a result, the determination of several prediction models will continue to be an alternative for researchers to obtain more accurate prediction results. The first analysis used the SARIMA ((2,1,1)(2,1,2)12) with MSE of 0.064 indicated that it was a good model. The second analysis used the NARX models by using architecture 189∶31∶94 with performance value of MSE was 0.006717 respectively. The third one used the BPNN with two-hidden-layers (5-10-10-1) architecture with MSE value of 0.00942479. Finally, we compared the performance of methods using MSE. Based on the experiment, the artificial neural networks (ANN) i.e., NARX and BPNN models have been successfully to support the time series datasets in order to predict the future.
网络流量使用情况的调查与预测是高校学术活动的重要内容。本文报告了如何使用短期时间序列数据集应用和比较SARIMA、NARX和BPNN。网络流量数据集来自ICT Universitas Mulawarman。因此,确定几种预测模型将继续成为研究人员获得更准确预测结果的另一种选择。第一次分析使用SARIMA ((2,1,1)(2,1,2)12), MSE为0.064,表明它是一个很好的模型。第二次分析采用结构为189∶31∶94的NARX模型,MSE的性能值分别为0.006717。第三种采用两隐层(5-10-10-1)结构的BPNN, MSE值为0.00942479。最后,我们比较了使用MSE的方法的性能。在实验的基础上,人工神经网络(ANN)即NARX和BPNN模型已成功地支持时间序列数据集,以预测未来。
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引用次数: 20
Antecedents of the adoption of online games technologies: The study of adolescent behavior in playing online games 采用网络游戏技术的前因:青少年玩网络游戏行为的研究
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852612
Bernardinus Harnadi
This study has a purpose to investigate the adoption of online games technologies among adolescents and their behavior in playing online games. The findings showed that half of them had experience ten months or less in playing online games with ten hours or less for each time playing per week. Nearly fifty-four percent played up to five times each week where sixty-six percent played two hours or less. Behavioral Intention has significant correlation to model variables naming Perceived Enjoyment, Flow Experience, Performance Expectancy, Effort Expectancy, Social Influence, and Facilitating Conditions; Experience; and the number and duration of game sessions. The last, Performance Expectancy and Facilitating Condition had a positive, medium, and statistically direct effect on Behavioral Intention. Four other variables Perceived Enjoyment, Flow Experience, Effort Expectancy, and Social Influence had positive or negative, medium or small, and not statistically direct effect on Behavioral Intention. Additionally, Flow Experience and Social Influence have no significant different between the mean value for male and female. Other variables have significant different regard to gender, where mean value of male was significantly greater than female except for Age. Practical implications of this study are relevant to groups who have interest to enhance or to decrease the adoption of online games technologies. Those to enhance the adoption of online games technologies must: preserve Performance Expectancy and Facilitating Conditions; enhance Flow Experience, Perceived Enjoyment, Effort Expectancy, and Social Influence; and engage the adolescent's online games behavior, specifically supporting them in longer playing games and in enhancing their experience. The opposite actions to these proposed can be considered to decrease the adoption.
本研究旨在探讨青少年对网络游戏技术的接受程度及其在网络游戏中的行为。调查结果显示,他们中有一半的人玩网络游戏的时间不超过10个月,每周每次玩游戏的时间不超过10小时。近54%的人每周玩5次游戏,66%的人每周玩2小时或更少。行为意向与感知享受、心流体验、表现期望、努力期望、社会影响、促进条件等模型变量显著相关;经验;以及游戏回合的数量和持续时间。最后,绩效期望和促进条件对行为意向有正、中、统计上的直接影响。知觉享受、心流体验、期望努力、社会影响等4个变量对行为意向有正、负、中、小的直接影响。此外,“心流体验”和“社会影响”的均值在男性和女性之间没有显著差异。其他变量在性别上有显著差异,除年龄外,男性的平均值显著大于女性。本研究的实际意义与那些对提高或减少网络游戏技术的采用感兴趣的群体有关。那些促进网络游戏技术采用的人必须:保持服务预期和便利条件;增强心流体验、感知享受、努力预期和社会影响;并参与青少年的网络游戏行为,特别是支持他们更长时间地玩游戏,增强他们的体验。可以考虑采取与这些建议相反的行动来降低采用率。
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引用次数: 2
Dataset feature reduction using independent component analysis with contrast function of particle swarm optimization on hyperspectral image classification 基于粒子群对比函数的独立分量分析数据集特征约简在高光谱图像分类中的应用
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852649
Murinto, A. Harjoko
Data dimensionality reduction is an important step in the preliminary image classification. Information quantity and resolution of hyperspectral images provide a chance to solve the problem better than multispectral images. In hyperspectral image classification, higher dimensionality of data could improve the capability of class detection as well as distinguish different classes with better accuracy. The method calculation of ICA is a transforming a random vector into another space which consists of independent components. Because marginal distribution is usually unknown, the possible solution is to reduce data dimension into an optimized contrast function to measure component independency. In this research, PSO algorithm is used to solve the optimization problem. PSO is used to distinguish the signal selected by two different contrast functions. The problem existed in gradient method is solved using PSO, that is getting trapped in local optimum. The result of feature reduction done by using ICA-PSO technique is then compared with the result of feature reduction done by using ICA algorithm and PCA. Furthermore, the result gained by using ICA-PSO is used to classify hyperspectral images. In this work, Support Vector Machine is used as classifier. Classification result obtained by using ICA-PSO dimensionality reduction on AVIRIS, the value of average accuracy (AA) is 0.8535, overall accuracy (OA) is 0.8310, and K is 0.785. Whereas on HYDICE, classification result obtained by using ICA-PSO dimensionality reduction is at 0.8783 for AA, 0.8625 for OA, K is 0.850.
数据降维是图像初步分类的重要步骤。高光谱图像的信息量和分辨率提供了比多光谱图像更好地解决这一问题的机会。在高光谱图像分类中,更高的数据维数可以提高分类检测的能力,从而更好地区分不同的类别。ICA的计算方法是将一个随机向量变换到另一个由独立分量组成的空间中。由于边缘分布通常是未知的,因此可能的解决方案是将数据降维为优化的对比函数来度量组件的独立性。在本研究中,采用粒子群算法来解决优化问题。粒子群算法用于区分由两个不同的对比函数选择的信号。利用粒子群算法解决了梯度法存在的陷入局部最优的问题。然后将ICA- pso算法的特征约简结果与ICA算法和PCA的特征约简结果进行比较。最后,利用ICA-PSO算法对高光谱图像进行分类。在这项工作中,使用支持向量机作为分类器。采用ICA-PSO降维方法对AVIRIS进行分类,得到的分类结果平均准确率(AA)为0.8535,总体准确率(OA)为0.8310,K为0.785。而在HYDICE上,ICA-PSO降维对AA的分类结果为0.8783,对OA的分类结果为0.8625,K为0.850。
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引用次数: 4
Certificate policy and Certification Practice Statement for root CA Indonesia 印度尼西亚根CA的证书政策和认证实践声明
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852654
Arfive Gandhi, Y. G. Sucahyo, T. Sirait
Certificate Policy (CP) and Certification Practice Statement (CPS) are required documents for Certification Authority (CA) to describe its information security mechanism, business processes and regulation compliance. Ministry of Communication and Information Technology (MCIT) Indonesia need to compose CP and CPS because of its role as Root CA in Indonesia National Public Key Infrastructure (INPKI). This research proposes CP and CPS for Root CA Indonesia following the content structure in Request for Comment (RFC) 3647. The proposed CP and CPS involve elaboration among applied technology, procedures of information security, and legal aspect of information security in Indonesia. Significant contribution of this research is the development of CP and CPS as fundamental standards in establishing Indonesia National Public Key Infrastructure (INPKI) as part of national information security system. Moreover, Webtrust Perspective Criteria is used to appraise the comprehensiveness of CP and CPS. As a result, the constructed CP and CPS have 96 percent suitability (43 criteria out of 45). This performance indicates that CP and CPS are applicable and ready to be adopted by Root CA Indonesia.
证书策略(CP)和认证实践声明(CPS)是证书颁发机构(CA)描述其信息安全机制、业务流程和法规遵从性所需的文档。印度尼西亚通信和信息技术部(MCIT)作为印度尼西亚国家公钥基础设施(INPKI)的根CA,需要组成CP和CPS。本研究根据征求意见(RFC) 3647中的内容结构,为印度尼西亚根CA提出CP和CPS。拟议的CP和CPS涉及详细阐述印度尼西亚的应用技术、信息安全程序和信息安全的法律方面。本研究的重要贡献是将CP和CPS发展为建立印度尼西亚国家公钥基础设施(INPKI)作为国家信息安全系统一部分的基本标准。此外,采用Webtrust Perspective Criteria对CP和CPS的全面性进行评价。因此,构建的CP和CPS具有96%的适用性(45个标准中的43个)。这个性能表明CP和CPS是适用的,并且可以被根CA印度尼西亚采用。
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引用次数: 4
Implementation of medical error prevention system for hypertension disease based on fuzzy 基于模糊的高血压病医疗差错预防系统的实现
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852640
Reni Soelistijorini, Mike Yuliana, I. Prasetyaningrum, Lina Pratiwi
Medication error in the treatment process can be dangerous for patients that can cause adverse medicine reactions. This can occur because of allergies, medicine-medicine interactions, medicine interactions with diseases and medicine incompatibility which include duration of therapy, dose, route of administration, and amount of medicine. That is way it takes knowledge and thoroughness doctors in selecting medicines for patients. In this research, medication error prevention system in hypertension disease is made to provide recommendations to the doctor's medication. The system is integrated with Hospital Information System (HIS) which is an e-prescribing application using Fuzzy Query. The criteria used are dosage levels of medicine (low, medium, high), medicine prices (cheap, normal, expensive), availability of medicines in pharmacies (little, medium, lots) and medicines favorite (not favorite, favorite, very favorite). The test results of e-prescribing system that consist of 100 medicines for patients with stage 1 and age more than 60 show that the system has been created able to provide medicine recommendations by considering disease, patient's medical history and allergies. Form of query with some variations of criteria show that average of medicine recommendation by using AND operator is less than OR operator.
治疗过程中的用药错误对患者来说可能是危险的,可能导致药物不良反应。这可能是由于过敏、药物-药物相互作用、药物与疾病的相互作用以及药物不相容(包括治疗持续时间、剂量、给药途径和药物量)造成的。这就是医生在为病人选择药物时需要知识和彻底性的方式。本研究建立高血压疾病用药差错预防系统,为医生用药提供建议。该系统与医院信息系统(HIS)集成,后者是一种基于模糊查询的电子处方应用程序。使用的标准是药物剂量水平(低、中、高)、药品价格(便宜、正常、昂贵)、药店药品的可得性(少量、中等、大量)和最喜欢的药物(不喜欢、喜欢、非常喜欢)。对60岁以上的1期患者的100种药物组成的电子处方系统进行了测试,结果表明,该系统可以根据疾病、病史、过敏史等提供药物建议。采用不同条件的查询形式表明,使用AND算子进行药物推荐的平均结果小于OR算子。
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引用次数: 0
Bias aware lexicon-based Sentiment Analysis of Malay dialect on social media data: A study on the Sabah Language 基于偏见感知词汇的马来语社交媒体数据情感分析——以沙巴语为例
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852662
M. Hijazi, Lyndia Libin, R. Alfred, Frans Coenen
Sentiment Analysis (SA) has gained its popularity over the years for the benefit it brings to the development of economy, sociology and politic. SA enables observation, experiment, and quantification of emotions of the public toward a particular issue. However, there is not much SA done with respect to the Malay Language, especially in the context of the Malay dialects used in social media. The research presented in this paper aims to perform SA on one of the derivatives of the Malay language, namely Sabah Language. The Sabah Language, unlike many other languages, does not have a fixed spelling and, when used in an unstructured form as in the case of social media, poses particular difficulties for SA. This paper takes a lexicon-based approach to SA of the Sabah Language as used on social media. For the investigation, the corpuses selected were Facebook posts and tweets written in the Sabah language, 443 posts and tweets in total. Each was manually annotated as positive, negative or neutral by three annotators. As Sabah Language is a derivative of Malay language, the words used in Sabah Language contains most of Malay words. That is why, in Sentiment-Lexicon (SL) construction process, opinion-bearing Malay SL is retrieved, modified and expanded to build Sabah SL. Three different methods of assigning scores to the words in SL (opinion-bearing words) were employed during SL construction: (i) Simple PSA, (ii) Simple PSA with Switch Negation (PSA-SN) and (iii) Strength-based PSA. In this paper, pre-processing phase that includes spellchecker and shortform corrector is also implemented to reduce distinct word to be analyzed for SA. In classification phase, two classification methods, simple and bias aware classifications, were used to classify the posts. Experiments are conducted to show the effect of SL modification and expansion, the effect of pre-processing as well as the effect of bias-aware classification to the SA performed. Results show the highest accuracy of 85.10% was achieved using bias-aware classification with the modified and expanded SL, scores are assigned using Simple PSA and the pre-processed text.
多年来,情感分析因其对经济、社会学和政治的发展所带来的好处而受到人们的欢迎。情景分析能够观察、实验和量化公众对某一特定问题的情绪。然而,对于马来语,特别是在社交媒体中使用马来方言的背景下,并没有太多的SA。本文提出的研究旨在对马来语的一种衍生物,即沙巴语进行SA。与许多其他语言不同,沙巴语没有固定的拼写,当以非结构化的形式使用时,如在社交媒体的情况下,给SA带来了特别的困难。本文采用基于词典的方法来研究社交媒体上使用的沙巴语SA。为了调查,选择的语料库是用沙巴语写的Facebook帖子和推文,总共443个帖子和推文。每个都由三个注释者手动注释为积极,消极或中性。由于沙巴语是马来语的衍生语言,沙巴语中使用的词汇包含了大部分马来语词汇。这就是为什么在情感-词汇(SL)构建过程中,检索、修改和扩展承载意见的马来语SL,以构建沙巴语SL。在SL构建过程中,使用了三种不同的方法对SL中的单词(承载意见的单词)进行评分:(i)简单PSA, (ii)带有转换否定的简单PSA (PSA- sn)和(iii)基于强度的PSA。本文还实现了包括拼写检查和短格式校正在内的预处理阶段,以减少SA需要分析的不同单词。在分类阶段,采用简单分类和偏见感知分类两种分类方法对岗位进行分类。通过实验验证了语音识别的修饰和扩展效果、预处理效果以及偏见感知分类对语音识别的影响。结果表明,使用改进和扩展的SL进行偏差感知分类的准确率最高,达到85.10%,使用简单PSA和预处理文本进行评分。
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引用次数: 8
Enhancing modified cuckoo search algorithm by using MCMC random walk 基于MCMC随机漫步的改进布谷鸟搜索算法
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852653
Noor Aida Husaini, R. Ghazali, I. R. Yanto
In this paper, we scrutinised an improvement of the Modified Cuckoo Search (MCS), called Modified Cuckoo Search-Markov chain Monte Carlo (MCS-MCMC) algorithm, for solving optimisation problems. The performance of MCS are at least on a par with the standard Cuckoo Search (CS) in terms of high rate of convergence when dealing with true global minimum, although at high number of dimensions. In conjunction with the benefits of MCS, we aim to enhance the MCS algorithm by applying Markov chain Monte Carlo (MCMC) random walk. We validated the proposed algorithm alongside several test functions and later on, we compare its performance with those of MCS-Lévy algorithm. The capability of the MCS-MCMC algorithm in yielding good results is considered as a solution to deal with the downside of those existing algorithm.
在本文中,我们仔细研究了一种改进的修改布谷鸟搜索(MCS),称为修改布谷鸟搜索-马尔可夫链蒙特卡罗(MCS- mcmc)算法,用于解决优化问题。在处理真正的全局最小值时,MCS的性能至少与标准的布谷鸟搜索(CS)在高收敛率方面相当,尽管在高维数下。结合MCS的优点,我们的目标是通过应用马尔可夫链蒙特卡罗(MCMC)随机漫步来增强MCS算法。我们通过几个测试函数验证了所提出的算法,然后将其与mcs - lsamvy算法的性能进行了比较。MCS-MCMC算法具有较好的效果,是解决现有算法不足的一种方法。
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引用次数: 3
Knowledge of extraction from trained neural network by using decision tree 利用决策树从训练好的神经网络中提取知识
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852637
S. Ardiansyah, M. Majid, J. Zain
Inside the sets of data, hidden knowledge can be acquired by using neural network. These knowledge are described within topology, using activation function and connection weight at hidden neurons and output neurons. Is hardly to be understanding since neural networks act as a black box. The black box problem can be solved by extracting knowledge (rule) from trained neural network. Thus, the aim of this paper is to extract valuable information from trained neural networks using decision. Further, the Levenberg Marquardt algorithm was applied to training 30 networks for each datasets, using learning parameters and basis weights differences. As the number of hidden neurons increase, mean squared error and mean absolute percentage error decrease, and more time they need to deal with the dataset, that is result of investigation from neural network architectures. Decision tree induction generally performs better in knowledge extraction result with accuracy and precision level from 84.07 to 93.17 percent. The extracted rule can be used to explaining the process of the neural network systems and also can be applied in other systems like expert systems.
在数据集内部,利用神经网络可以获取隐藏的知识。这些知识在拓扑中描述,使用激活函数和隐藏神经元和输出神经元的连接权。很难理解,因为神经网络就像一个黑匣子。黑盒问题可以通过从训练好的神经网络中提取知识(规则)来解决。因此,本文的目的是利用决策从训练好的神经网络中提取有价值的信息。进一步,利用学习参数和基权差,应用Levenberg Marquardt算法对每个数据集训练30个网络。随着隐藏神经元数量的增加,平均平方误差和平均绝对百分比误差减小,处理数据集所需的时间增加,这是神经网络结构研究的结果。决策树归纳在知识提取结果上总体表现较好,正确率和精密度在84.07 ~ 93.17%之间。所提取的规则可以用来解释神经网络系统的过程,也可以应用于其他系统,如专家系统。
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引用次数: 18
Model assessment of land suitability decision making for oil palm plantation 油棕种植土地适宜性决策模型评价
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852617
Hamdani, Anindita Septiarini, D. M. Khairina
Model assessment of Land suitability (MAOLS) is a valuable tool for palm land, and it is used to manage the natural resource in the land clearing of oil palm plantations. This model is applied to a decision support system (DSS) for oil palm plantation land clearing problem. This issue is intended to avoid excessive land clearing, therefore the efficient analysis in decision making is necessary. DSS model was used with Multi-Criteria Decision Making (MCDM) using Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method for 14 parameters on land's class criteria and has four alternatives of oil palm plantations was applied. The first phase of testing uses direct weighting on TOPSIS, and it obtained the fourth land as the potential for oil palm plantations clearing with the scoring values are 0,578. The second stage of the Analytical Hierarchy Process (AHP) method is used to determine the effectiveness of the proposed model. This result showed the effectiveness of the similarity ranking on alternative output in recommending an alternative to the manager to give consent to the land clearing of oil palm plantations in East Kutai, Indonesia.
土地适宜性模型评价(MAOLS)是棕榈地评价的重要工具,可用于油棕人工林垦殖过程中的自然资源管理。将该模型应用于油棕种植园土地清理决策支持系统中。这个问题的目的是为了避免过度的土地清理,因此在决策中进行有效的分析是必要的。将DSS模型与基于TOPSIS方法的多准则决策(MCDM)相结合,对14个土地类别标准参数进行了排序优选,并对油棕种植园进行了4种选择。第一阶段测试采用对TOPSIS直接加权,得到第4块土地作为油棕种植园清理潜力,得分值为0.578。第二阶段的层次分析过程(AHP)方法被用来确定所提出的模型的有效性。该结果表明,替代产出相似性排序在向管理者推荐同意印度尼西亚东库泰油棕种植园土地清理的替代方案方面是有效的。
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引用次数: 10
Profile of a typical mobile SMS user in emergency situations (empirical study in an urban flood prone area) 紧急情况下典型移动短信用户概况(城市洪水易发地区的实证研究)
Pub Date : 2016-10-01 DOI: 10.1109/ICSITECH.2016.7852615
D. Nugraheni, Denise de Vries
Employing existing technology for a new purpose has become popular, especially in mobile phone technology. In the context of use for early warning messages, the existing technology that is commonly used is SMS (Short Messaging Services). This study focuses on understanding the profile of a typical mobile SMS user in emergency situations in an urban flood prone area. This profile was assessed based on the mobile devices' preparedness; ease of use (EOU) for using SMS, confidence in SMS skill, satisfaction and frequency of use (FOU). A survey was conducted in Semarang, Central Java, Indonesia for data collection. The respondents for this study were voluntarily respondents. Our study found that the user's level of education and FOU for SMS, influences the usage of SMS in emergency conditions.
利用现有技术实现新的目的已经变得很流行,尤其是在移动电话技术方面。在使用预警消息的上下文中,现有的常用技术是SMS(短消息服务)。本研究的重点是了解在城市洪水易发地区的紧急情况下典型的移动短信用户的概况。该概况是根据移动设备的准备情况进行评估的;使用短信的易用性(EOU),对短信技能的信心,满意度和使用频率(FOU)。为了收集数据,在印度尼西亚中爪哇省三宝垄进行了一项调查。本研究的受访者均为自愿受访者。我们的研究发现,用户的教育程度和短信的使用频率会影响紧急情况下短信的使用。
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引用次数: 5
期刊
2016 2nd International Conference on Science in Information Technology (ICSITech)
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