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Implementation of a Web Application and GIS Electronic Atlas for Teaching in Open Education Web应用程序和GIS电子地图在开放教育教学中的实现
IF 0.6 Q2 Computer Science Pub Date : 2023-09-08 DOI: 10.4018/ijitwe.329971
S. K. Damekova, Lyubov Nikolaevna Karassyova, Nurlan Amirovich Medetov, Z. M. Ozhibayeva, Bozhidar Tsvetkov
Geospatial technology (GST) training has become an important part of open education. The education of primary school children is difficult to design and develop, since there are no educational tools for teaching GST technologies in the school education system of Kazakhstan. This study is aimed at developing and evaluating a system for studying the basics of GST, based on the use of an electronic GIS atlas of geography and a mobile web application KAZCUNET of open education for elementary school students who need additional attention from teachers and parents. The article examines the academic performance of children and the perception of end users based on an extended technology implementation model using the SmartPLS 4 tool. The results contribute to and confirm the significant positive effect of the introduction of GST in open education. Perceived ease of use, perceived usefulness, support, satisfaction positively affect the behavioral intention to use the proposed educational web application and the educational electronic GIS atlas of geography.
地理空间技术培训已成为开放教育的重要组成部分。小学儿童的教育很难设计和发展,因为哈萨克斯坦的学校教育系统中没有教授商品及服务税技术的教育工具。本研究旨在开发和评估一个学习GST基础的系统,该系统基于地理信息系统电子地图集和开放教育的移动网络应用KAZCUNET,面向需要教师和家长额外关注的小学生。本文基于使用SmartPLS 4工具的扩展技术实现模型,考察了儿童的学习成绩和最终用户的感知。研究结果有助于并证实在开放教育中引入商品及服务税的显著积极影响。感知的易用性、感知的有用性、支持和满意度对使用所提出的教育网络应用程序和教育电子地理信息系统地理图谱的行为意图产生积极影响。
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引用次数: 0
Assessing the Usability of E-Learning Software Among University Students 大学生电子学习软件的可用性评估
IF 0.6 Q2 Computer Science Pub Date : 2023-08-25 DOI: 10.4018/ijitwe.329198
Jehad Alqurni
Higher educational institutions are implementing e-learning system software to improve the quality and delivery of content and make distance learning easier. E-learning has become an important component of education because of the growing need in the technological era and plays a vital role in teaching digital literacy. Therefore, this study aims to assess learners' attitudes towards e-learning software usability. This study aimed to explore the effects of key factors of e-learning software usability on the satisfaction level of university learners. Data were collected from 200 university students using questionnaires. Questionnaires were validated using a t-test for partial hypothesis analysis.
高等教育机构正在实施电子学习系统软件,以提高内容的质量和交付,使远程学习更容易。由于技术时代日益增长的需求,电子学习已成为教育的重要组成部分,在教授数字素养方面发挥着至关重要的作用。因此,本研究旨在评估学习者对电子学习软件可用性的态度。本研究旨在探讨网络学习软件可用性的关键因素对大学生满意度的影响。通过问卷调查收集了200名大学生的数据。问卷采用t检验进行部分假设分析。
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引用次数: 0
Analysis of Application and Creation Skills of Story-Based MV Micro Video and Big Multimedia Data in Music Communication 基于故事的MV微视频与多媒体大数据在音乐传播中的应用与创作技巧分析
IF 0.6 Q2 Computer Science Pub Date : 2023-06-27 DOI: 10.4018/ijitwe.325213
Xi Zhang, Yue Cui
MV is an art type that uses TV pictures to supplement information and content that cannot be covered by music. With the rapid development of micro video technology and network technology, micro video has been rapidly popularized. Combining MV and micro video with mobile devices and platforms, it breaks the limitations of traditional movies, TV, and animation and becomes a new highlight of cultural communication in the new era. This paper starts with the selection of MV songs, story script, content design, MV shooting and editing skills, and introduces the specific creation methods of story MV in combination with local culture and proposes a music genre classification algorithm model DCNN-SSA based on spectral space domain feature concern. DCNN-SSA model effectively marks genre features of different music Mel spectrograms in the spatial domain and changes the network structure, thus improving the feature extraction effect while ensuring the validity of the model, thus improving the accuracy of music genre classification.
MV是一种利用电视画面来补充音乐无法覆盖的信息和内容的艺术类型。随着微视频技术和网络技术的快速发展,微视频得到了迅速普及。将MV、微视频与移动设备、移动平台相结合,突破了传统电影、电视、动画的局限,成为新时代文化传播的新亮点。本文从MV歌曲的选择、故事剧本、内容设计、MV拍摄和剪辑技巧等方面入手,结合当地文化介绍了故事MV的具体创作方法,提出了基于谱空间域特征关注的音乐类型分类算法模型DCNN-SSA。DCNN-SSA模型在空间域中有效标记不同音乐Mel谱图的体裁特征,改变网络结构,在保证模型有效性的同时提高了特征提取效果,从而提高了音乐体裁分类的准确性。
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引用次数: 0
Predicting the Success of a Startup in Information Technology Through Machine Learning 通过机器学习预测信息技术创业公司的成功
IF 0.6 Q2 Computer Science Pub Date : 2023-06-01 DOI: 10.4018/ijitwe.323657
E. Vasquez, José Santisteban, D. Mauricio
Predicting the success of a startup in information technology (SIT) is a very complex problem due to the diverse factors and uncertainty that affects it. The focus of automatic learning (ML) is promising because it presents good results for prediction issues; however, it presents a diversity of parameters, factors, and data that require consideration to improve prediction results. In this study, a systematic method is proposed to build a predictive model for SIT success, based on factors. The method consists of four processes, a hybrid model, and an inventory of 79 success factors. The method was applied to a database of 265 SITs from Australia with seven ML algorithms and three hybrid models based on the Voting strategy and the GreedyStepwise algorithm to reduce the factors. On average, precision increments in 11.69%, specificity in 3.25%, and accuracy in 21.75%; the prediction has precision of 82% and accuracy of 88%.
由于影响信息技术(SIT)的因素和不确定性的多样性,预测创业公司的成功是一个非常复杂的问题。自动学习(ML)的重点是有前途的,因为它为预测问题提供了良好的结果;然而,它提出了需要考虑的参数、因素和数据的多样性,以提高预测结果。在本研究中,我们提出了一种基于因素的系统方法来构建SIT成功的预测模型。该方法包括四个过程,一个混合模型和79个成功因素的清单。该方法采用7种ML算法和3种基于Voting策略和GreedyStepwise算法的混合模型来减少因素,并应用于澳大利亚265个sat数据库。平均精密度增加11.69%,特异度增加3.25%,准确度增加21.75%;预测精度为82%,准确度为88%。
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引用次数: 0
A Meta-Analysis of Facebook-Assisted Learning Outcomes in Different Countries or Regions 不同国家或地区facebook辅助学习成果的元分析
IF 0.6 Q2 Computer Science Pub Date : 2023-03-10 DOI: 10.4018/ijitwe.319312
Liheng Yu, Wei Xu, Paisan Sukjairungwattana, Zhonggen Yu
In this special pandemic time, many learners have been forced to stay at home receiving education through mobile learning applications and social media such as Facebook. It is thus meaningful to meta-analytically review the studies on Facebook-assisted learning outcomes in different countries or regions to provide constructive suggestions for improvements on mobile learning. Through a meta-analysis using Stata 14.0, this study concludes that the Facebook-assisted learning approach may improve learning interaction, learning performance, social presence, engagement, psycho-motor, and overall skills in different countries or regions, although there are still different results and even controversial issues. The controversies lie in different findings in Taiwan, Switzerland, and UK, where no significant results are revealed regarding the use of Facebook for educational purposes. Future research could examine the construction of a sustainable online learning model, the classic theory, gender differences, and other mobile applications.
在这场特殊的疫情时期,许多学习者被迫呆在家里,通过移动学习应用程序和Facebook等社交媒体接受教育。因此,对不同国家或地区关于facebook辅助学习成果的研究进行meta分析,为改进移动学习提供建设性的建议是有意义的。通过使用Stata 14.0进行meta分析,本研究得出结论:facebook辅助学习方法可能在不同国家或地区提高学习互动、学习绩效、社会存在、参与、心理运动和整体技能,尽管结果存在差异,甚至存在争议。争议在于台湾、瑞士和英国的不同研究结果,在这些研究中,没有发现关于Facebook用于教育目的的显著结果。未来的研究可以考察可持续在线学习模式的构建、经典理论、性别差异以及其他移动应用。
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引用次数: 0
MHDNNL: A Batch Task Optimization Scheduling Algorithm in Cloud Computing 云计算中的批处理任务优化调度算法
IF 0.6 Q2 Computer Science Pub Date : 2022-01-01 DOI: 10.4018/ijitwe.310053
Qirui Li, Zhiping Peng, Delong Cui, Jianpeng Lin, Jieguang He
Task optimization scheduling is one of the key concerns of both cloud service providers (CSPs) and cloud users. The CSPs hope to reduce the energy consumption of executing tasks to save costs, while the users are more concerned about shorter task completion time. In cloud computing, multi-queue and multi-cluster (MQMC) is a common resource configuration mode, and batch is a common task commission mode. The task scheduling (TS) in these modes is a multi-objective optimization (MOO) problem, and it is difficult to get the optimal solution. Therefore, the authors proposed a MOO scheduling algorithm for this model based on multiple heterogeneous deep neural networks learning (MHDNNL). The proposed algorithm adopts a collaborative exploration mechanism to generate the samples and use the memory replay mechanism to train. Experimental results show that the proposed algorithm outperforms the benchmark algorithms in minimizing energy consumption and task latency.
任务优化调度是云服务提供商(csp)和云用户关注的关键问题之一。csp希望降低执行任务的能耗以节省成本,而用户更关心的是缩短任务完成时间。在云计算中,MQMC (multi-queue and multi-cluster)是一种常见的资源配置模式,批处理是一种常见的任务委托模式。这些模式下的任务调度(TS)是一个多目标优化(MOO)问题,很难得到最优解。为此,作者提出了一种基于多异构深度神经网络学习(MHDNNL)的MOO调度算法。该算法采用协同探索机制生成样本,使用记忆重放机制进行训练。实验结果表明,该算法在最小化能耗和任务延迟方面优于基准算法。
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引用次数: 0
Smart Contracts Security Threats and Solutions 智能合约安全威胁和解决方案
IF 0.6 Q2 Computer Science Pub Date : 2022-01-01 DOI: 10.4018/ijitwe.304048
Senou Mahugnon Rosaire Brice, Jules Degila
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引用次数: 0
FLCEER FLCEER
IF 0.6 Q2 Computer Science Pub Date : 2020-07-01 DOI: 10.4018/ijitwe.2020070105
Sathishkumar Natesan, Rajakumar Krishnan
Underwater acoustic sensor networks (UASN) play a crucial role in various applications such as tsunami detection, surveillance of the ocean by the defense department, monitoring offshore oil, and identifying gas basins underwater. UASNs can be one of the supporting infrastructures for the Internet of Things (IoT). UASNs have the problems of long latency, high bit error rate, and low bandwidth. These pose various challenges such as high consumption of energy, low reliability, low packet retransmission, and high delay for UASNs. To overcome the shortcomings mentioned above, various approaches are suggested. This article proposes a multi-layer fuzzy logic cluster-based energy-efficient routing protocol for UASNs. It splits the network area into equal sized rings. The priority number (PRN) is utilized for all underwater cluster heads (UCHs). Based on the highest PRN, the UCH starts communicating among UCHs. Here, the PRN makes the task very selective avoiding collisions and also reducing propagation delays. The cluster formation is done by sending a message to all underwater cluster members (UCMs) and the selection of UCH and UCM are done. Each has a threshold value. The intra-ring clustering process splits a ring into equal-sized clusters. Additionally, inter-cluster routing applies the fuzzy logic metrics to choose the optimum data route in transferring the data from the underwater cluster head (UCH) to the sink node (SN). It is tested using Aqua-Sim simulation which is based on NS2. It is compared with an existing protocol such as multi-layer cluster energy efficient (MLCEE), depth-based routing (DBR), energy efficient DBR (EEDBR). The results prove that it has improved energy efficiency, packet delivery ratio, throughput, and the network's lifetime.
水声传感器网络(usasn)在各种应用中发挥着至关重要的作用,例如海啸探测、国防部对海洋的监视、监测海上石油和识别水下天然气盆地。uasn可以成为物联网(IoT)的支持基础设施之一。usns存在时延长、误码率高、带宽低等问题。这给usns带来了高能耗、低可靠性、低数据包重传和高延迟等挑战。为了克服上述缺点,提出了各种方法。提出了一种基于多层模糊逻辑聚类的无线局域网节能路由协议。它将网络区域分成大小相等的环。优先级数(PRN)用于所有水下簇头(UCHs)。基于最高的PRN, UCH之间开始通信。在这里,PRN使任务非常有选择性,避免了碰撞,也减少了传播延迟。通过向所有水下簇成员(UCM)发送消息,完成簇的形成,并完成UCH和UCM的选择。每个都有一个阈值。环内聚类过程将一个环分成大小相等的簇。此外,簇间路由应用模糊逻辑度量来选择数据从水下簇头(UCH)到汇聚节点(SN)的最优路径。采用基于NS2的Aqua-Sim仿真对其进行了测试。并与现有的多层簇能效协议(MLCEE)、基于深度路由(DBR)、能效DBR (EEDBR)等协议进行了比较。实验结果表明,该方法提高了网络的能量利用率、数据包传输率、吞吐量和网络寿命。
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引用次数: 4
ThespisTRX
IF 0.6 Q2 Computer Science Pub Date : 2020-01-01 DOI: 10.4018/ijitwe.2020010101
C. Camilleri, Joseph G. Vella, Vitezslav Nezval
Data consistency defines how usable a data set is. Causal consistency is the strongest type of consistency that can be achieved when data is stored in multiple locations, and fault tolerance is desired. Thespis is a middleware that innovatively leverages the Actor model to implement causal consistency over a DBMS, whilst abstracting complexities for application developers behind a REST interface. Following the evaluation of correctness, performance and scalability of Thespis, it is illustrated how a business application can be guaranteed causal consistency, but still encounter Time-To-Check-Time-To-Use (TOCTOU) race conditions. The design and implementation of ThespisTRX is given, which builds upon, and extends, the Thespis middleware to offer read-only transaction capabilities, allowing clients to read a causally-consistent version of multiple data entities. A correctness analysis illustrates how ThespisTRX avoids TOCTOU race conditions, and empirical performance tests show that this can be achieved with minimal overheads.
数据一致性定义了数据集的可用性。当数据存储在多个位置并且需要容错时,因果一致性是可以实现的最强类型的一致性。thespiis是一种中间件,它创新性地利用Actor模型在DBMS上实现因果一致性,同时为应用程序开发人员在REST接口后面抽象复杂性。在对Thespis的正确性、性能和可伸缩性进行评估之后,将说明如何保证业务应用程序的因果一致性,但仍然会遇到time - to - check - to - use (TOCTOU)竞争条件。本文给出了ThespisTRX的设计和实现,它构建并扩展了thespiis中间件,以提供只读事务功能,允许客户端读取多个数据实体的因果一致版本。正确性分析说明了ThespisTRX如何避免TOCTOU竞争条件,经验性能测试表明,这可以以最小的开销实现。
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引用次数: 1
GANDIVA
IF 0.6 Q2 Computer Science Pub Date : 2019-10-01 DOI: 10.4018/ijitwe.2019100101
V. Radhakrishna, Puligadda Veereswara Kumar, V. Janaki
In this research, the authors propose a novel tree structure called GANDIVA which computes true supports of all temporal itemsets by performing a tree-based scan and eliminating the database scan which is required for SPAMINE, G-SPAMINE, MASTER, and Z-SPAMINE approaches. The idea is to construct the tree called GANDIVA which determines support of all time-stamped temporal itemsets from the constructed tree. Another important advantage of the proposed approach is that it does not require the original database to be retained in the memory after a time profiled pattern tree (GANDIVA) is constructed from the original database. The significant advantage of GANDIVA over SPAMINE, G-SPAMINE, Z-SPAMINE, and MASTER is that GANDIVA requires zero database scans after the tree construction. GANDIVA is the pioneering research to propose a novel tree-based framework for seasonal temporal data mining.
在这项研究中,作者提出了一种名为GANDIVA的新颖树形结构,通过执行基于树的扫描并消除SPAMINE, G-SPAMINE, MASTER和Z-SPAMINE方法所需的数据库扫描来计算所有时间项集的真实支持。我们的想法是构造一个名为GANDIVA的树,它决定从构造的树中支持所有带有时间戳的时间项集。该方法的另一个重要优点是,在从原始数据库构造时间分析模式树(GANDIVA)之后,它不需要将原始数据库保留在内存中。与SPAMINE、G-SPAMINE、Z-SPAMINE和MASTER相比,GANDIVA的显著优势在于,在构建树之后,GANDIVA不需要对数据库进行扫描。GANDIVA是一项开创性的研究,提出了一种新的基于树的季节性时间数据挖掘框架。
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引用次数: 11
期刊
International Journal of Information Technology and Web Engineering
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