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Building Student Course Performance Prediction Model Based on Deep Learning 基于深度学习的学生课程成绩预测模型构建
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2021-01-01 DOI: 10.6688/JISE.202101_37(1).0015
J. Kuo, Hao-Ting Chung, Ping-Feng Wang, Baiying Lei
The deferral of graduation rate in Taiwan's universities is estimated 16%, which will affect the scheduling of school resources. Therefore, if we can expect to take notice of students' academic performance and provide guidance to students who cannot pass the threshold as expected, the waste of school resources can effectively be reduced. In this research, the recent years' student data and course results are used as training data to construct student performance prediction models. The K-Means algorithm was used to classify all courses from the freshman to the senior. The related courses will be grouped in the same cluster, which will more likely to find similar features and improve the accuracy of the prediction. Then, this study constructs independent neural networks for each course according to the different academic year. Each model will be pre-trained by using Denoising Auto-encoder. After pre-training, the corresponding structure and weights are taken as the initial value of the neural network model. Each neural network is treated as a base predictor. All predictors will be integrated into an Ensemble predictor according to different years' weights to predict the current student's course performance. As the students finish the course at the end of each semester, the prediction model will continue track and update to enhance model accuracy through online learning.
台湾大学的延迟毕业率估计为16%,这将影响学校资源的调度。因此,如果我们能够期望关注学生的学习成绩,并对未达到预期门槛的学生进行指导,就可以有效地减少学校资源的浪费。本研究以近年来的学生数据和课程成绩作为训练数据,构建学生成绩预测模型。使用K-Means算法对从大一到大四的所有课程进行分类。将相关的课程分组在同一个聚类中,这样更容易发现相似的特征,提高预测的准确性。然后,本研究根据不同的学年为每门课程构建独立的神经网络。每个模型将使用去噪自编码器进行预训练。预训练后,取相应的结构和权值作为神经网络模型的初始值。每个神经网络都被视为一个基本预测器。所有预测因子将根据不同年份的权重整合到一个集成预测因子中,以预测当前学生的课程表现。随着学生在每学期期末完成课程,预测模型将继续跟踪和更新,通过在线学习提高模型的准确性。
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引用次数: 6
Cache-Enabled and Context-Aware Approach to Building Composite Mobile Apps 构建复合移动应用的启用缓存和上下文感知方法
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2021-01-01 DOI: 10.6688/JISE.202101_37(1).0009
Shang-Pin Ma, Chi-Chia Li, Shin-Jie Lee, Hsi-Min Chen, Wen-Tin Lee
SHANG-PIN MA, CHI-CHIA LI, SHIN-JIE LEE, HSI-MIN CHEN, WEN-TIN LEE Department of Computer Science and Engineering National Taiwan Ocean University Keelung 202, Taiwan Department of Information Engineering and Computer Science, National Cheng Kung University, Tainan 701, Taiwan Department of Information Engineering and Computer Science, Feng Chia University, Taiching 407, Taiwan Department of Software Engineering and Management, National Kaohsiung Normal University, Kaohsiung 802, Taiwan E-mail: albert@ntou.edu.tw (Shang-Pin Ma)
马尚品李志嘉李新杰陈锡民李文田台湾海洋大学计算机科学与工程系基隆202,台湾成功大学信息工程与计算机科学系台南701,台湾丰甲大学信息工程与计算机科学系台南407,台湾高雄师范大学软件工程与管理系高雄802albert@ntou.edu.tw(马尚品)
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引用次数: 0
The Use of Deep Reinforcement Learning for Flying a Drone 深度强化学习在无人机飞行中的应用
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2021-01-01 DOI: 10.6688/JISE.202109_37(5).0012
Sandro Domitran, Marina Bagić Babac
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引用次数: 0
Critical Role of Global and Culturally Responsive Leadership for Higher Education in the 21st-Century 全球和文化响应型领导在21世纪高等教育中的关键作用
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2020-12-02 DOI: 10.32674/JISE.V10I1.2396
E. Archer, Yuqian Zhang
“We are on the precipice of an epoch,” in which 21st century organizations are facing a complex, competitive landscape driven largely by globalization and the technological revolution (Hitt, 1998, p. 218). As such, Bikson, Treverton, Moini and Lindstrom (2003) have urged universities to develop a global leadership curriculum, based on their prediction of a future shortage of global leaders in all sectors. This essay examines the critical role of global and culturally responsive leadership for graduates of higher education institutions.
“我们正处于一个时代的悬崖上”,在这个时代,21世纪的组织正面临着一个复杂的、主要由全球化和技术革命驱动的竞争格局(Hitt, 1998,第218页)。因此,Bikson, Treverton, Moini和Lindstrom(2003)敦促大学开发全球领导力课程,基于他们对未来所有领域全球领导者短缺的预测。这篇文章探讨了全球和文化响应型领导对高等教育机构毕业生的关键作用。
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引用次数: 0
Optimal Huffman Coding Performance of Ad-Hoc Networks Based on Cross-Layer Design 基于跨层设计的Ad-Hoc网络最优霍夫曼编码性能
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2020-11-01 DOI: 10.6688/JISE.202011_36(6).0015
R. Mehta
Effective data compression and sustainable management of limited bandwidth are the fundamental challenges in the design of current ad-hoc wireless networks. Dynamic Huffman coding protocol with optimal prefix-free codewords assigned to network parameters through cross-layer methodology can considerably address these issues for performance enhancement in these networks. In this paper, the entropy based Huffman binary and ternary coding schemes are implemented with cross-layer design in mobile ad-hoc networks. This cross-layer approach for achieving higher adaptivity incorporated four layers of the traditional networking stack. The simulation results demonstrated the performance tradeoff between throughput and coding metrics for the proposed cross-layer architecture. Moreover, our proposed model exhibits substantially higher compression ratio and coding efficiency than the other existing methods through the integration of this lossless coding protocol in the developed cross-layer framework.
有效的数据压缩和有限带宽的可持续管理是当前自组织无线网络设计中的基本挑战。动态霍夫曼编码协议通过跨层方法为网络参数分配最优无前缀码字,可以有效地解决这些问题,提高网络性能。在移动自组织网络中,采用跨层设计实现了基于熵的霍夫曼二、三元编码方案。这种实现更高适应性的跨层方法结合了传统网络堆栈的四层。仿真结果证明了所提出的跨层架构在吞吐量和编码度量之间的性能权衡。此外,通过在开发的跨层框架中集成这种无损编码协议,我们提出的模型比其他现有方法具有更高的压缩比和编码效率。
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引用次数: 4
Joint Type-I Generalized Hybrid Censoring for Estimation Two Weibull Distributions 估计两个威布尔分布的联合i型广义混合滤波
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2020-11-01 DOI: 10.6688/JISE.202011_36(6).0008
Ali Algarni, A. Almarashi, G. Abd-Elmougod
Products come from different lines with the same facility are tested under comparative life tests which known with the jointly censoring scheme. In this paper, two sets of products under the same facility have Weibull lifetime distributions are selected to test under Type- I generalized hybrid censoring scheme (GHCS). The observed censoring data are used to build the maximum likelihood (ML) estimators as well as approximate confidence intervals for the model parameters. Also, Bayes estimators with the help of MCMC methods are discussed. The analysis of simulated data set with Monte Carlo simulation study is used to illustrate and compare the theoretical results. Finally, a brief comment is summarized in concluding section.
来自同一设备的不同生产线的产品在联合审查方案下进行比较寿命试验。本文选取同一设施下具有威布尔寿命分布的两组产品,在I型广义混合滤波方案下进行试验。观察到的审查数据用于建立最大似然(ML)估计器以及模型参数的近似置信区间。此外,还讨论了MCMC方法下的贝叶斯估计。通过对模拟数据集的分析和蒙特卡罗模拟研究来说明和比较理论结果。最后,在结语部分进行了简要的评述。
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引用次数: 10
Broadening Selection Competitive Constraint Handling Algorithm for Faster Convergence 一种快速收敛的扩展选择竞争约束处理算法
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2020-11-01 DOI: 10.6688/JISE.202011_36(6).0011
Tayyab Ahmed Shaikh, Syed Sajjad Hussain, M. Tanweer, M. Hashmani
In this paper, a new algorithm incorporating broadening selection strategy in competitive constraint handling paradigm for finding the optimum solution in constrained problems has been proposed, referred as Broadening Selection Competitive Constraint Handling (BSCCH). Although, competitive constraint handling approaches have proved to be very efficient, but they lack faster convergence due to offspring generation from random individuals. By incorporating selection strategy such as broadening selection in the competitive approach, better results are obtained and convergence rate is improved significantly. Incorporating said strategy, the BSCCH algorithm has been proposed which is generic in nature and can be coupled with various evolutionary algorithms. In this study, the BSCCH algorithm has been coupled with Differential Evolution algorithm as a proof of concept because it is found to be an efficient algorithm in the literature for constrained optimization problems. The proposed algorithm has been evaluated using 24 benchmark functions. The mean closure performance of the BSCCH algorithm is compared against seven selected state-of-the-art algorithms, namely Differential Evolution with Adaptive Trial Vector Generation Strategy and Cluster-replacement-based Feasibility Rule (CACDE), Improved Teaching Learning Based Optimization (ITLBO), Modified Global Best Artificial Bee Colony (MGABC), Stochastic Ranking Differential Evolution (SRDE), Novel Differential Evolution (NDE), Partical Swarm Optimization for solving engineering problems - a new constraint handling mechanism (CVI-PSO) and Ensemble of Constraint Handling Techniques (ECHT). The median convergence traces have been compared with two different algorithms based on differential evolution, i:e: Ensemble of Constraint Handling Techniques (ECHT) and Stochastic Ranking Differential Evolution (SRDE). ECHT is considered to be a flagship ensemble technique till date for constrained optimization problems, whereas SRDE employs a parent selection mechanism for constrained optimization. The proposed algorithm is found to provide better solutions and achieve significantly faster convergence in most of the problems.
本文提出了一种结合竞争约束处理范式中展宽选择策略的求解约束问题最优解的新算法——展宽选择竞争约束处理(BSCCH)。虽然竞争约束处理方法已被证明是非常有效的,但由于其后代是由随机个体产生的,因此缺乏较快的收敛速度。通过在竞争方法中加入拓宽选择等选择策略,获得了较好的结果,显著提高了收敛速度。结合上述策略,提出了BSCCH算法,该算法本质上是通用的,可以与各种进化算法耦合。在本研究中,BSCCH算法与差分进化算法结合作为概念证明,因为在文献中发现它是约束优化问题的有效算法。该算法已使用24个基准函数进行了评估。将BSCCH算法的平均闭包性能与7种最先进的算法进行了比较,这些算法分别是:基于自适应试验向量生成策略和基于聚类替换的可行性规则的差分进化(CACDE)、改进的基于教学的优化(ITLBO)、改进的全局最佳人工蜜蜂群体(MGABC)、随机排序差分进化(SRDE)、新型差分进化(NDE)、求解工程问题的粒子群优化——一种新的约束处理机制(CVI-PSO)和约束处理技术集成(ECHT)。比较了基于差分进化的两种不同算法的中位数收敛轨迹,即约束处理技术集成(ECHT)和随机排序差分进化(SRDE)。迄今为止,ECHT被认为是约束优化问题的旗舰集成技术,而SRDE采用父选择机制进行约束优化。结果表明,该算法在大多数问题上都能提供更好的解,并能显著加快收敛速度。
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引用次数: 1
Modeling and Analysis of Scabies Transmission Disease 疥疮传播疾病的建模与分析
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2020-11-01 DOI: 10.6688/JISE.202011_36(6).0009
N. AlShamrani, A. Elaiw, H. Batarfi, A. Hobiny
In this work we present two mathematical models for the infection dynamics of scabies. The dynamics is described by four-dimensional system of ordinary differential equations that expresses the transmissions between susceptible and infectious/infective individuals. In the second model, we include the importance of adult scabiei mite in the real interaction with hosts. Nonnegativity and boundedness of solutions of the models are conducted. A threshold parameter is calculated for each model which ensures the existence of all corresponding equilibria. Using candidate Lyapunov functions, it is shown that whenever the threshold parameter is less than or equal unity, the models have an associated disease-free equilibrium that is globally asymptotically stable. In addition, when the threshold exceeds unity the models have a globally asymptotically stable endemic equilibrium. Finally, using some parameter values related to the scabies infection dynamics, numerical simulation results are demonstrated to clarify the main theoretical results.
在这项工作中,我们提出了疥疮感染动力学的两个数学模型。动力学是用四维常微分方程组来描述的,它表达了易感和感染/感染个体之间的传播。在第二个模型中,我们考虑了成年疥螨在与宿主的实际相互作用中的重要性。给出了模型解的非负性和有界性。为每个模型计算一个阈值参数,以保证所有相应平衡点的存在。利用候选Lyapunov函数,证明了当阈值参数小于或等于单位时,模型具有全局渐近稳定的相关无病平衡点。此外,当阈值超过单位时,模型具有全局渐近稳定的地方性平衡。最后,利用与疥疮感染动力学相关的一些参数值,对数值模拟结果进行了论证,阐明了主要理论结果。
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引用次数: 0
New Analytical Solutions of Wick-Type Stochastic Schamel KdV Equation Via Modified Khater Method wick型随机Schamel KdV方程的修正Khater新解析解
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2020-11-01 DOI: 10.6688/JISE.202011_36(6).0010
A. Abdel‐Aty, M. Khater, A. Zidan, R. Attia
This research employs a new analytical scheme to construct novel traveling wave solutions of the Wick-type stochastic Schamel KdV equation. This equation explains the electrostatic potential for a particular electron distribution in velocity space. It is also used to explain the nonlinear interaction of ion-acoustic waves when electron trapping. By using the Hermite transform, inverse Hermite transforms, and white noise analysis allows us for applying the modified Khater method to this model. Many novel solutions are obtained and sketched to discuss more physical properties of the model.
本文采用一种新的解析格式构造了wicktype随机Schamel KdV方程的行波解。这个方程解释了在速度空间中特定电子分布的静电势。它也被用来解释电子俘获时离子-声波的非线性相互作用。通过使用Hermite变换、逆Hermite变换和白噪声分析,我们可以将改进的Khater方法应用于该模型。许多新的解决方案得到和草图,以讨论更多的物理性质的模型。
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引用次数: 4
Student-Centric Network Learning for Improved Knowledge Transfer 以学生为中心的网络学习促进知识转移
IF 1.1 4区 计算机科学 Q2 Social Sciences Pub Date : 2020-11-01 DOI: 10.6688/JISE.202011_36(6).0013
Hong-Ji Wang, Xiang Xu, Baomin Xu, Yu Shuang-Yuan, Wang Quan-Xin
In the context of model compression using the student-teacher paradigm, we propose the idea of student-centric learning, where the student is less constrained by the teacher and able to learn on its own. We believe the student should have more flexibility during training. Towards student-centric learning, we propose two approaches: correlation-based learning and self-guided learning. In correlation-based learning, we propose to guide the student with two types of correlations between activations: the correlation between different channels and the correlation between different spatial locations. In self-guided learning, we propose to give the student network the opportunity to learn by itself in the form of additional self-taught neurons. We empirically validate our approaches on benchmark datasets, producing state-of-the-art results. Notably, our approaches can train a smaller and shallower student network with only 5 layers that outperforms a larger and deeper teacher network with 11 layers by nearly 1% on CIFAR-100.
在使用学生-教师范式的模型压缩背景下,我们提出了以学生为中心的学习理念,学生受教师的约束较少,能够自主学习。我们认为学生在训练中应该有更多的灵活性。对于以学生为中心的学习,我们提出了两种方法:关联学习和自主学习。在关联学习中,我们建议用两种激活之间的相关性来指导学生:不同通道之间的相关性和不同空间位置之间的相关性。在自我引导学习中,我们建议以额外的自学神经元的形式给学生网络提供自我学习的机会。我们在基准数据集上验证我们的方法,产生最先进的结果。值得注意的是,我们的方法可以训练一个只有5层的更小、更浅的学生网络,在CIFAR-100上,它比一个有11层的更大、更深的教师网络高出近1%。
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引用次数: 0
期刊
Journal of Information Science and Engineering
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