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2022 IEEE International Conference on Computing (ICOCO)最新文献

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Impact of Digitalization in Construction: Enriching As-built Facilities and Operations using BIM 数字化对建筑的影响:利用BIM丰富已建成设施和运营
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10031694
H. Biswas, Sian Lun Lau, Tze Ying Sim
3D Terrestrial Laser Scanning (TLS) technology has achieved massive acceptance to produce and visualise the 3D point clouds of existing facilities in the Architectural, Engineering and construction (AEC) industry. In addition, Building Information Modelling (BIM) is also well recognised to digitalise every component of actual buildings. Integration of TLS and BIM has been established as a disruptive technology to increase the quality and performance of the construction industry. Apart from all these recognised contributions of using the technologies, significant flaws in creating 3D BIM models of existing facilities must be addressed to improve the functionalities and operations in the facility management system. It is worth mentioning that the effective geometric modelling and semantic-rich object recognitions of existing construction buildings (behind the concrete wall) and point cloud overlapping are challenging issues in laser scanning technologies that ultimately lead to incomplete BIM models of as-built facilities. In this study, the contribution to the knowledge gap is represented by considering the two real case studies of existing facilities to optimise facility management and operations in the construction industry. Nevertheless, the main focus of this research is to introduce the current challenges in generating an effective 3D BIM model for the existing buildings satisfying the specified specifications and standards. Further research should consider the issues and more robust and effective evaluation procedures for the larger-scale real case containing more complex and hidden objects.
3D地面激光扫描(TLS)技术已经在建筑、工程和建筑(AEC)行业中获得了广泛的认可,可以在现有设施中生成和可视化3D点云。此外,建筑信息模型(BIM)也被广泛认为可以将实际建筑的每个组成部分数字化。TLS和BIM的集成已被确立为提高建筑行业质量和绩效的颠覆性技术。除了使用这些技术的所有公认贡献之外,必须解决在为现有设施创建3D BIM模型方面的重大缺陷,以改善设施管理系统的功能和操作。值得一提的是,现有建筑(混凝土墙后)的有效几何建模和语义丰富的物体识别以及点云重叠是激光扫描技术中具有挑战性的问题,最终导致建成设施的BIM模型不完整。在本研究中,通过考虑现有设施的两个真实案例研究来优化建筑行业的设施管理和运营,从而对知识差距做出贡献。然而,本研究的主要重点是介绍当前在为满足指定规范和标准的现有建筑生成有效的3D BIM模型方面所面临的挑战。进一步的研究应考虑到包含更复杂和隐藏对象的更大规模真实案例的问题和更稳健和有效的评估程序。
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引用次数: 1
Automatic Keyword Extraction for Viewport Prediction of 360-degree Virtual Tourism Video 360度虚拟旅游视频视口预测关键字自动提取
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10032026
Long Doan, Tho Nguyen Duc, Chuanzhe Jing, E. Kamioka, Phan Xuan Tan
In 360-degree streaming videos, viewport prediction can reduce the bandwidth needed during the stream while still maintaining a quality experience for the users by streaming only the area that is visible to the user. Existing research in viewport prediction aims to predict the user’s viewport with data from the user’s head movement trajectory, video saliency, and subtitles of the video. While these subtitles can contain much information necessary for viewport prediction, previous studies can only extract these information manually, which requires in-depth knowledge about the topic of the video. Moreover, extracting these information by hand can still miss some important keywords from the subtitles and limit the accuracy of the viewport prediction. In this paper, we focus on automate this extraction process by proposing three types of automatic keyword extraction methods, namely Adverb, NER (Named entity recognition) and Adverb+NER. We provide an analysis to demonstrate the effectiveness of our automatic methods compared to extracting important keywords by hand. We also incorporate our methods into an existing viewport prediction model to improve prediction accuracy. The experimental results show that the model with our automatic keyword extraction methods outperforms baseline methods which only use manually extracted information.
在360度流媒体视频中,视口预测可以减少流媒体过程中所需的带宽,同时通过只流用户可见的区域,仍然为用户保持高质量的体验。现有的视口预测研究旨在利用用户头部运动轨迹、视频显著性和视频字幕的数据来预测用户的视口。虽然这些字幕可以包含许多视口预测所需的信息,但以前的研究只能手动提取这些信息,这需要对视频主题有深入的了解。此外,手工提取这些信息仍然会遗漏一些重要的关键词,限制了视口预测的准确性。本文通过提出Adverb、NER (Named entity recognition,命名实体识别)和Adverb+NER三种自动关键字提取方法,将关键字提取过程自动化。我们提供了一个分析来证明与手工提取重要关键字相比,我们的自动方法的有效性。我们还将我们的方法结合到现有的视口预测模型中,以提高预测精度。实验结果表明,采用自动关键字提取方法的模型优于仅使用人工提取信息的基线方法。
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引用次数: 0
Blockchain Technologies in e-Government Services: A Literature Review 电子政务服务中的区块链技术:文献综述
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10031634
Salfarina Abdullah, Al Dulaimi Moatasem Abdulmajeed Alwan, Y. Y. Jusoh
The efficiency of blockchain technologies in managing transactions using distributed ledgers provides new age of government services. This enhances citizen-government transparency to establish public-sector trust by preventing fraud. However, using and adopting blockchain in e-Government context was insufficiently explored in previously published literatures. This paper systematically reviews relevant works to illustrate blockchain issues, challenges, while detecting the new directions for future research of using blockchain applications in e-Government. Discussed literatures explained that adopting blockchain applications to build e-Government services still has obvious lack in empirical evidence. Predominantly, major challenges facing blockchain adoption are summarized in scalability, flexibility and security aspects. organizationally, acceptability issues in blockchain and demanding new models of e-government are illustrated as major obstacles against the adoption. Furthermore, the lack in legislations and helping regulatory represents the major environmental obstacles against the adoption.
区块链技术在使用分布式账本管理交易方面的效率为政府服务提供了新时代。这提高了公民与政府之间的透明度,通过防止欺诈来建立公共部门的信任。然而,在之前发表的文献中,对在电子政务环境中使用和采用区块链的探索不够。本文系统地回顾了相关工作,阐述了区块链的问题和挑战,同时发现了区块链应用于电子政务的未来研究的新方向。讨论的文献解释了采用区块链应用构建电子政务服务仍明显缺乏经验证据。区块链采用面临的主要挑战主要总结在可扩展性、灵活性和安全性方面。在组织上,区块链的可接受性问题和要求新的电子政务模式被认为是采用的主要障碍。此外,立法和辅助管理的缺乏是阻碍采用的主要环境障碍。
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引用次数: 0
A System for Identification of Stumbles in Construction of Program Logic that Does Not Appear as Compilation Errors 程序逻辑构造中不显示为编译错误的错误识别系统
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10031920
Shoichi Nakamura, H. Nakayama, R. Onuma, Junichi Tachibana, H. Kaminaga, Y. Miyadera
In programing exercises, it is important to identify the stumbling of each student and to provide appropriate guidance. However, there are circumstances in which students’ stumbling cannot be fully understood due to the diverse nature of their stumbling and the limited number of instructors. In particular, students tend to stumble when trying to shape their programs to match the target processing (“stumbling in construction of a program logic”). However, it is difficult to identify this stumbling since it does not appear as a compilation error. We have developed a system for automatically estimating the stumbling in the construction of a program logic. An experiment to evaluate the effectiveness of the proposed system produced promising results regarding its effectiveness for identifying stumbling in logic construction.
在编程练习中,重要的是要确定每个学生的绊脚石,并提供适当的指导。然而,在某些情况下,由于学生的绊倒性质的多样性和教师的数量有限,学生的绊倒并不能得到充分的理解。特别是,当学生试图塑造他们的程序以匹配目标处理时,他们往往会绊倒(“在程序逻辑的构建中绊倒”)。但是,很难识别这种错误,因为它不会显示为编译错误。我们已经开发了一个系统,用于自动估计程序逻辑构造中的绊脚石。一项评估该系统有效性的实验在识别逻辑结构中的绊脚石方面取得了令人满意的结果。
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引用次数: 0
Geotagging for Malay documents using Name-Entity Recognition Approach 使用名称-实体识别方法的马来文文件地理标记
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10031639
Muhammad Syahir Nazarudin, H. M. Hanum, S. A. Rahman, S. Mutalib
There are many tourist places in Malaysia, and still many to be discovered. The Internet is an agent to find web documents describing a place or a location. The precise location or place is always connected to the geotagging process. However, a limited geotagging approach is applied in Malay documents. Hence, a geotagging application is developed using the name-place entity recognition approach. A geotagging algorithm is developed for tagging geographic information in Malay documents. The algorithm performs word filtering and name-place extraction from both the MyGazetteer resources and tourism web resources. An application is built to demonstrate the tagging of geographic information onto each web document. The geotagging prototype (MyGeo-NER) allows users to edit tags of existing web documents, add new ones, and search for documents containing the names of places or locations they have entered.
马来西亚有许多旅游景点,还有许多有待发现。Internet是查找描述一个地方或位置的网络文档的代理。精确的位置或地点总是与地理标记过程联系在一起。然而,有限的地理标记方法应用于马来文文件。因此,使用地名实体识别方法开发了地理标记应用程序。提出了一种地理标记算法,用于标记马来文文献中的地理信息。该算法对MyGazetteer资源和旅游网站资源进行词过滤和地名提取。构建了一个应用程序来演示将地理信息标记到每个web文档上。地理标签原型(MyGeo-NER)允许用户编辑现有web文档的标签,添加新的标签,并搜索包含他们输入的地点或位置名称的文档。
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引用次数: 0
A System for Extracting Discussion Circumstances on Social Media to Promote Inexperienced Students Understand Discussion Cases 社交媒体讨论情境提取系统,促进无经验学生理解讨论案例
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10031826
H. Nakayama, R. Onuma, Kota Chiba, H. Kaminaga, Y. Miyadera, Shoichi Nakamura
Opportunities are increasing for students to conduct discussions in problem-based learning (PBL) while observing discussions on social media. However, they often lack experience in examining actual discussion cases. We aim to develop methods for extracting discussion circumstances on social media to provide them to students so that they can use them as clues to understanding actual discussion cases. Specifically, we extract what kind of topics exist and how utterances are exchanged as discussion circumstances. In this paper, we describe methods for extracting the discussion circumstances and an overview of a support system that we developed. Moreover, we describe an experiment on extracting the circumstances from actual conversation data and discuss the effectiveness of our methods on the basis of the results.
学生在基于问题的学习(PBL)中进行讨论的机会越来越多,同时观察社交媒体上的讨论。然而,他们往往缺乏审查实际讨论案例的经验。我们的目标是开发提取社交媒体上讨论情况的方法,提供给学生,使他们能够将其作为理解实际讨论案例的线索。具体来说,我们提取存在什么样的话题以及话语如何交换作为讨论环境。在本文中,我们描述了提取讨论环境的方法,并概述了我们开发的支持系统。此外,我们描述了一个从实际会话数据中提取情境的实验,并在实验结果的基础上讨论了我们方法的有效性。
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引用次数: 0
Review on Challenges and Solutions in Novice Programming Education 编程新手教育中的挑战与解决方案综述
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10031657
Tze Ying Sim, Sian Lun Lau
Novice programming subject refers to the first programming subject taken by a student. This is also commonly known as Computer Science 1 (CS1) subject. It is concluded that the average failure rate of a novice programming class is 30%. The systematic review collects data between 2000 and 2022 via the Scopus database. Keywords utilized were ”programming, coding, computer” and ”introductory, novice”. The first search resulted in 940 results. The second search added the focus on curriculum. This search only returned 11 results. The papers were analysed to determine if imperative-first or object-first should be adopted. The research indicates that block-based programming is mainly used in K12 education, or CS1 without programming in K12 education. Even though the programming languages used are objectoriented, the activities and class content do not focus on object-oriented programming. The main focus is still learning to solve problems, and imperative-first programming is more commonly implemented. The third search with the word challenges and difficulties returned 163 results. Further search was done for the word within abstract, returning 39 results. The findings indicate 17 research implemented imperative programming vs 1 on object. Most of the research in undergraduate studies implemented textbased programming (22 cases) vs block-based programming (5 cases). Another two observations are automated tools to support teaching and learning, especially personalizing feedback, and the social aspect of learning, for example collaborative learning. This research indicates that the trend for solution has moved from error analysis to block based programming to the future of learning tools automation.
初级编程课程是指学生学习的第一门编程课程。这也通常被称为计算机科学1 (CS1)科目。得出的结论是,一个新手编程课的平均失败率为30%。该系统综述通过Scopus数据库收集了2000年至2022年间的数据。使用的关键词是“编程、编码、计算机”和“入门、新手”。第一次搜索产生了940个结果。第二次搜索增加了对课程的关注。这个搜索只返回了11个结果。对这些文件进行了分析,以确定应采用命令优先还是对象优先。研究表明,基于块的编程主要用于K12教育,或CS1无编程用于K12教育。尽管使用的编程语言是面向对象的,但是活动和类内容并不关注面向对象编程。主要的焦点仍然是学习如何解决问题,命令式优先编程的实现更为普遍。第三个搜索词是challenges and difficulties,返回163个结果。进一步搜索abstract内的单词,返回39个结果。结果表明,17家研究机构实现了命令式编程,1家研究机构实现了对象编程。大多数本科研究实现了基于文本的编程(22例)和基于块的编程(5例)。另外两个观察是支持教学和学习的自动化工具,特别是个性化反馈,以及学习的社会方面,例如协作学习。这项研究表明,解决方案的趋势已经从错误分析转向基于块的编程,再到学习工具自动化的未来。
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引用次数: 0
A Systematic Review on English Language e-Learning Technologies 英语电子学习技术的系统综述
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10031709
Evelyn Yeap Ewe Lin, Kok Cheng Lim, M. A. Faudzi, Mohd Hazli Mohamed Zabil, Ridha Omar, A. Selamat, O. Krejcar
Language e-learning technologies (LELT) is an emerging area focusing on application of computing technologies in language learning of all kinds. Being a communication skill that requires much face to face interactions, electronic learning approach is definitely a challenge since e-learning focuses on self-paced remote engagements. This paper collects paper pertaining technologies in language learning from year 2019 to 2022 seeking into five research questions on finding out the current trends of research types, evaluation methods, contributions and correlations of between them. This research through a filtration process has found 27 relevant papers. This paper will first present all descriptive findings, data analysis, correlations and lastly insights of the review analysis processes. This paper identified 3 research domain gaps and 3 recommendations of novel future works.
语言电子学习技术(英语:Language e-learning technologies, LELT)是一个关注计算机技术在各种语言学习中的应用的新兴领域。作为一种需要大量面对面互动的沟通技巧,电子学习方法绝对是一种挑战,因为电子学习侧重于自定进度的远程参与。本文收集了2019年至2022年有关语言学习技术的论文,从研究类型、评价方法、贡献以及它们之间的相关性等方面寻找了五个研究问题。本研究通过筛选过程共找到27篇相关论文。本文将首先提出所有描述性的发现,数据分析,相关性和最后的见解审查分析过程。本文确定了3个研究领域的空白和3个新的未来工作建议。
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引用次数: 0
Machine Learning-based Anomaly Detection in ZigBee Networks 基于机器学习的ZigBee网络异常检测
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10031837
Tomoya Oshio, Satoshi Okada, Takuho Mitsunaga
With the development of information technology, IoT devices are spreading rapidly. ZigBee is one of the short-range wireless communication standards used in IoT devices and is expected to be used in smart homes and industrial control systems because of its low power consumption and low-cost operation despite its low communication speed. However, ZigBee can be subject to cyber-attacks because eavesdropping on packets and sending forged packets against wireless communication is easier than wired ones. In order to use ZigBee safely in smart home and industrial control systems, it is necessary to develop a method to detect cyber-attacks quickly. In this paper, we propose a machine learning-based anomaly detection system for Zigbee networks. We focus on characteristics of ZigBee communication and investigate a method to detect network anomalies and cyber attacks on ZigBee networks using machine learning. Furthermore, since we primarily put emphasis on practicality, our proposed system is simple and consists of widely used tools such as Wireshark. To evaluate the detection accuracy of our proposed system, we conduct some experiments. As a result, it is shown that our proposed system can detect attacks with high accuracy. In addition, we varied the features used in machine learning and discuss which feature has a high contribution to anomaly detection.
随着信息技术的发展,物联网设备正在迅速普及。ZigBee是物联网设备中使用的短程无线通信标准之一,虽然通信速度较慢,但由于其低功耗和低成本运营,预计将用于智能家居和工业控制系统。但是,与有线通信相比,ZigBee更容易对无线通信进行窃听和发送伪造的数据包,因此有可能受到网络攻击。为了在智能家居和工业控制系统中安全使用ZigBee,有必要开发一种快速检测网络攻击的方法。本文提出了一种基于机器学习的Zigbee网络异常检测系统。我们关注ZigBee通信的特点,并研究一种使用机器学习检测ZigBee网络异常和网络攻击的方法。此外,由于我们主要强调实用性,我们提出的系统是简单的,包括广泛使用的工具,如Wireshark。为了评估我们提出的系统的检测精度,我们进行了一些实验。实验结果表明,该系统能够以较高的准确率检测攻击。此外,我们改变了机器学习中使用的特征,并讨论了哪些特征对异常检测有高贡献。
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引用次数: 4
Unmanned Ground Vehicle Research Platform for Agricultural Environment 农业环境无人驾驶地面车辆研究平台
Pub Date : 2022-11-14 DOI: 10.1109/ICOCO56118.2022.10031658
Bukhary Ikhwan Ismail, Shahrol Hisham Baharom, Hishamadie Ahmad, Muhammad Nurmahir Mohamad Sehmi, Mohammad Fairus Khalid
Palm oil can grow in almost flexible topography. On flats, slopes, hilly, or undulating areas and whether on inland or reclaimed coastal areas. This makes the plantation environment unique with various soil types & surfaces. Each surface has a unique physical characteristic that directly influences the driving, handling, stability and safety of the robot. A mobile robot in palm oil plantation should able to traverse the estate with ease. In this work, we present our development process in converting an all-terrain vehicle (ATV) into Unmanned Ground Vehicle (UGV) agricultural usage, targeting for palm oil plantation estate. We explain the mechanical and electrical conversion activities. We then perform several experiments to verify the responsiveness of our drive-by-wire system conversion.
棕榈油几乎可以在多变的地形上生长。在平原、斜坡、丘陵或起伏地区,以及内陆或填海沿岸地区。这使得种植园环境具有不同的土壤类型和表面。每个表面都有独特的物理特性,直接影响机器人的驾驶、操控、稳定性和安全性。棕榈油种植园的移动机器人应该能够轻松地穿越庄园。在这项工作中,我们展示了将全地形车辆(ATV)转换为农业用途的无人地面车辆(UGV)的开发过程,目标是棕榈油种植园。我们解释机械和电气转换活动。然后,我们进行了几个实验来验证我们的线控系统转换的响应性。
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引用次数: 0
期刊
2022 IEEE International Conference on Computing (ICOCO)
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