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Criteria for Subcontractor Selection on Building Construction Project in Cambodia: Prequalification and Bid Evaluation 柬埔寨建筑工程分包商选择标准:资格预审和评标
Sokheng Sean, Wasaporn Techapeeraparnich
Construction industry is complex with challenging sequences and the involvement of several stakeholders. Subcontractors are one of the most important stakeholders in the construction industry since they actually implement more than ninety percent of the overall construction process. This paper intends to explore and prioritize the subcontractor selection criteria in both prequalification and bidding stages in Cambodia building construction. After identifying the important selection criteria by using Delphi method, the Analytical Hierarchy Process (AHP) was then used for the pairwise comparison of 28 specified sub-criteria under 7 main criteria in the prequalification stage and 10 identified sub-criteria with 4 main criteria for the bid evaluation stage. The selection criteria were intensively considered by 94 construction experts who were registered in Cambodia Constructor Association (CCA). Furthermore, the outcomes were analyzed through AHP relied on a questionnaire survey to achieve the participants’ consensus on priority weights as well as their ranking of subcontractor selection criteria, respectively. Therefore, this research generated a set of guidelines to help practitioners enhance the quality of project delivery by using sufficient criteria as an input to the construction company in Phnom Penh, Cambodia concerning the strategy of subcontractor selection.
建筑行业是复杂的,具有挑战性的序列和几个利益相关者的参与。分包商是建筑业中最重要的利益相关者之一,因为他们实际上执行了整个施工过程的90%以上。本文旨在探讨柬埔寨建筑施工中资格预审和投标阶段的分包商选择标准。采用德尔菲法确定重要选择标准后,采用层次分析法对资格预审阶段7个主要标准下的28个指定子标准和评标阶段4个主要标准下的10个确定子标准进行两两比较。在柬埔寨建造者协会(CCA)注册的94名建筑专家对选择标准进行了深入的考虑。此外,通过问卷调查,通过AHP对结果进行分析,分别获得参与者对优先级权重的共识以及他们对分包商选择标准的排名。因此,本研究产生了一套指导方针,通过使用足够的标准作为柬埔寨金边建筑公司关于分包商选择策略的输入,帮助从业者提高项目交付的质量。
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引用次数: 0
Barriers to Implementation of Sustainable Construction in Cambodia Construction Industry 柬埔寨建筑业实施可持续建设的障碍
K. On, Wasaporn Techapeeraparnich
Sustainable construction efforts in some countries have been unsuccessful due to numerous barriers to its successful implementation. This research aims to identify the barriers to successful implementation of sustainable construction in Phnom Penh, Cambodia construction industry. To identify the barriers, a qualitative research approach using in-depth interviews was carried out with purposively selected 18 experts involved in the sustainable construction project, including engineers, architects, contractor, quantity surveyor, and project manager. Indicative findings arising from the study revealed that there are 23 barriers specific to the three selected case-study projects in Cambodia Construction Industry. Those barriers are categorized into five themes of barriers such as financial barriers, governmental barriers, technical barriers, culture and market barriers, and new barriers specified to the case studies. The result of this paper would enable the Cambodia Construction industry to be successful in its pursuit of implementing sustainable construction as well as the information based on which barriers needed to be solved for future research.
一些国家的可持续建设努力由于其成功实施的诸多障碍而不成功。本研究的目的是确定在柬埔寨建筑业金边成功实施可持续建筑的障碍。为了确定障碍,采用深度访谈的定性研究方法,有目的地选择了18位参与可持续建设项目的专家,包括工程师、建筑师、承包商、工料测量师和项目经理。研究得出的指示性结论显示,柬埔寨建筑业中选定的三个个案研究项目有23个障碍。这些壁垒分为五个主题的壁垒,如金融壁垒,政府壁垒,技术壁垒,文化和市场壁垒,和新的壁垒指定的案例研究。本文的结果将使柬埔寨建筑业在追求实施可持续建筑方面取得成功,并为今后的研究提供需要解决的障碍所依据的信息。
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引用次数: 0
Forecasting the Number of Hat Yai International Airport Passengers Hat - ai国际机场旅客数量预测
Somsri Banditvilai, Choojai Kuharattanachai
The objective of this research is to compare three forecasting techniques of the Holt-Winters method with different initial values, the Bagging Holt-Winters method, and Box-Jenkins method based on the number of monthly Hat Yai International airport passengers from January 2003 to December 2019 which have both non-linear trend and seasonal variation. The data are collected by the Airport of Thailand Public Company Limited. The data are divided into 2 sets. The first set from January 2003 to December 2018 is used to construct the models and employed minimum Root Mean Square Error (RMSE) and residuals have normal distribution for model selection. The second set is from January 2019 to December 2019 which is used to compute the accuracy of forecasting models by using the Mean Absolute Percentage Error (MAPE). The results show that the additive Bagging Holt-Winters model gives the minimum RMSE = 9,0031.66 for the first set and yields MAPE = 11.66% for the second one.
本研究以2003年1月至2019年12月哈特艾国际机场月客流量为研究对象,比较不同初始值的Holt-Winters方法、Bagging Holt-Winters方法和Box-Jenkins方法三种既有非线性趋势又有季节性变化的预测方法。资料由泰国机场公众有限公司收集。数据分为2组。使用2003年1月至2018年12月的第一组数据构建模型,采用最小均方根误差(RMSE)和残差服从正态分布进行模型选择。第二组为2019年1月至2019年12月,用于使用平均绝对百分比误差(MAPE)计算预测模型的精度。结果表明,加性Bagging Holt-Winters模型对第一组的RMSE最小值为9 0031.66,对第二组的MAPE最小值为11.66%。
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引用次数: 0
Corporate Sustainability Reporting Framework and Implications for University Governance Transformation 企业可持续发展报告框架及其对大学管治转型的启示
Lianhong Gao, Liguang Liu
Achieving Sustainable Development Goals (SDGs) has become an urgent call for action by all countries in partnership. Business and Education play crucial roles in addressing sustainability challenges more than ever. Over the past twenty years, a number of corporate sustainability reporting and disclosure frameworks have been developed to guide data collection and increasingly been adopted by pioneering international businesses which aim to combine economic benefits with social justice and environmental sustainability. By focusing on the context, content, and function of corporate reporting and disclosure frameworks, this paper provides an overview of the evolution of corporate sustainability reporting and compares the most widely adopted reporting frameworks. It finally discusses how universities, in managing campus sustainability, can learn from the corporate sustainability reporting practice and make governance transformation accordingly. Establishing sustainability reporting initiatives at higher education institutions offers a platform to measure impacts and progress towards sustainability-oriented goals, qualitatively and/or quantitatively; it also helps accelerate the governance transformation by sharing progress and engaging with key stakeholders.
实现可持续发展目标已成为各国合作行动的迫切要求。商业和教育在应对可持续发展挑战方面比以往任何时候都发挥着至关重要的作用。在过去的二十年里,许多公司可持续发展报告和披露框架已经被开发出来,以指导数据收集,并越来越多地被旨在将经济效益与社会正义和环境可持续性相结合的开拓性国际企业所采用。通过关注公司报告和披露框架的背景、内容和功能,本文概述了公司可持续发展报告的演变,并比较了最广泛采用的报告框架。最后探讨了高校在校园可持续发展管理中,如何借鉴企业可持续发展报告的实践,进行相应的治理转型。在高等教育机构建立可持续发展报告计划,提供了一个平台,以定性和/或定量地衡量可持续发展目标的影响和进展;它还通过分享进展和与关键利益相关者合作,帮助加速治理转型。
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引用次数: 0
New Educational Objectives and Methodologies for the Information Age 信息时代新的教育目标与方法
A. Bobunova, Ben Choi
Knowledge is power. The knowledge on theWeb expands the power of human minds. This paper presents a model of education for extending human minds with the knowledge on the Web. The proposed model is an updated version of the six levels of the revised Bloom’s taxonomy used to classify educational learning objectives. The new web-based model focuses on extending one’s mind with knowledge on the Web by modifying the first three levels: Access (mostly replace memory), Validate (including understand), Utilize (including apply). First, "Access" is the key to expand one’s memory to include information available on the Web. Second, "Validate" is needed to determine resources, the validity of the available information and to choose from numerous resources. Third, "Utilize" focuses on using tools and knowledge available on the Web to achieve one’s objectives. The higher three levels "Analyze", "Evaluate", and "Create” of the revised Bloom’s taxonomy remain unchanged. Experiments were conducted at the Medical Institute of RUDN University to test the proposed model. The experiments were aimed at testing the processes of Access, Validate, and Utilize for getting knowledge on theWeb to achieve educational objectives. The results of the experiments show that students can follow the processes independently to expand their knowledge with the use of knowledge on the Web. As the results of our new web-based model and experiments, it may be necessary and important to adapt our educational objectives and methodologies to meet the needs of our information age.
知识就是力量。网络上的知识扩展了人类思维的力量。本文提出了一种利用网络知识拓展人类思维的教育模式。提出的模型是修订后的Bloom分类法的六个层次的更新版本,用于对教育学习目标进行分类。新的基于网络的模式通过修改前三个层次:访问(主要是代替记忆),验证(包括理解),利用(包括应用),专注于用网络知识扩展人的思维。首先,“访问”是扩展一个人的记忆以包括网络上可获得的信息的关键。其次,需要“验证”来确定资源、可用信息的有效性以及从众多资源中进行选择。第三,“利用”侧重于使用网络上可用的工具和知识来实现自己的目标。修改后的Bloom分类法中较高的三个级别“分析”、“评估”和“创建”保持不变。实验在RUDN大学医学研究所进行,以测试所提出的模型。实验旨在测试获取网络知识的访问、验证和利用过程,以达到教育目的。实验结果表明,学生可以独立地遵循过程,利用网络上的知识扩展知识。由于我们新的基于网络的模式和实验的结果,调整我们的教育目标和方法以满足信息时代的需要可能是必要和重要的。
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引用次数: 0
Analysis on Fintech Talents Aggregation: based on the perspective of GBA 金融科技人才集聚分析:基于大湾区视角
Y. Yuan, Xuan Jiang
GBA has a strong foundation of Fintech industry, and its industrial talents are crucial for promoting the innovation of Fintech in the bay area. Through the investigation of the aggregation of Fintech talent in the GBA and the comparison of talent policies among Guangzhou, Hong Kong and Shenzhen, we have found that there is still relatively large room for improvement in terms of the structural proportion of age, academic qualifications and professional of talents, life and work satisfaction of talents, and talent aggregation system. Therefore, we proposed some policy recommendations such as strengthening the deep integration of industry-university-research, improving the education and training mechanism and salary incentive distribution mechanism for Fintech enterprises, implementing a more open policy on talent introduction, and realizing the talent integration of the GBA.
大湾区拥有雄厚的金融科技产业基础,其产业人才对推动湾区金融科技创新至关重要。通过对大湾区金融科技人才集聚情况的调查,以及广州、香港、深圳人才政策的比较,我们发现,大湾区在人才年龄结构比例、学历和专业、人才生活和工作满意度、人才集聚制度等方面仍有较大的提升空间。为此,我们提出了加强产学研深度融合、完善金融科技企业教育培训机制和薪酬激励分配机制、实施更加开放的人才引进政策、实现大湾区人才整合等政策建议。
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引用次数: 0
Planning and Practice of Children's Learning Environment: A Case Study of Preschool Expert Teacher 幼儿学习环境的规划与实践——以幼儿专家教师为例
Ting-Hua Lin
This study adopts the case study of qualitative research, and the purpose of the research is to explore the current situation of an expert preschool teacher's planning in the learning area and teaching practices. The participant in this study is an expert teacher with ten years of teaching experience. The data was conducted by collecting interviews, observing classrooms, and reviewing teaching logs. The findings of this study are as follows. The expert teacher employed a child-centered approach when considering learning areas arrangement priorities and the management of the children's projects. She connected unit teaching and learning area activities to provide children with comprehensive experiences, used diverse methods to solve teaching resource shortages, viewed the teacher and children as participants of the classroom environment, and appropriately intervened in the children's games through observer, demonstrator, and leader roles. Besides, the expert teacher believe that learning areas activities have a positive impact on children's learning and development. Based on the research results, it can provide reference for teacher education programs, preschool and novice teachers.
本研究采用定性研究的个案研究方法,旨在探讨专家幼儿教师在学习领域的规划现状及教学实践。本研究的参与者是一位有十年教学经验的专家教师。数据是通过收集访谈、观察教室和查看教学日志来收集的。本研究的结果如下:专家教师在考虑学习领域、安排优先事项和管理儿童项目时采用了以儿童为中心的方法。她将单元教学区活动与学习区活动联系起来,为儿童提供全面的体验,采用多种方式解决教学资源短缺问题,将教师和儿童视为课堂环境的参与者,并以观察者、示范者和领导者的角色适当介入儿童的游戏。此外,专家教师认为,学习区活动对儿童的学习和发展有积极的影响。根据研究结果,可以为教师教育规划、学前教师和新手教师提供参考。
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引用次数: 0
Detecting and Finding the True Meaning of Jargons 发现和发现行话的真正含义
Yingying Lao, Chenghuan Zhang, Yilun Wei, Dongli Han
While looking at the online bulletin boards, some obscure description could be found in the threads. In most cases, it is usually because that the authors are not willing to mention the true name of somebody or something directly, and in hence take the place of it with a substitute expression which has the same attributes, such as homophonic word or objects which appear similarly. These words and phrases, which are used irregularly in the context, could be called jargons. In this study, we propose a method to detect and understand jargons by considering the relevance of context words in word-embedding expressions. Specifically, we first calculate the topic correlation-coefficient of each word pair occurring in the text to find the jargon. Then, we combine a set of contextual information to find out a list of candidate words which probably deliver the true meaning of the jargon. By comparing the candidate words and the jargon word from 3 aspects (meaning, pronunciation and shape), the true meaning of the jargon could be determined based on the aggregative similarity. Finally, we have conducted an experiment to examine the usefulness of our approach. Additional Keywords and Phrases: Jargon, Word-embedding expression, Word-vectors, Similarity, Natural processing language.
在浏览在线公告栏时,可以在帖子中找到一些模糊的描述。在大多数情况下,这通常是因为作者不愿意直接提及某人或某事的真实姓名,因此用具有相同属性的替代表达来代替它,例如谐音词或出现相似的物体。这些在上下文中不规律使用的单词和短语可以被称为行话。在本研究中,我们提出了一种通过考虑词嵌入表达式中上下文词的相关性来检测和理解行话的方法。具体来说,我们首先计算文本中出现的每个词对的主题相关系数来查找术语。然后,我们结合一组上下文信息,找出一个候选词列表,这些词可能传达了术语的真正含义。将候选词与行话词从词义、读音、形制3个方面进行比较,通过聚合相似度判断行话的真实含义。最后,我们进行了一个实验来检验我们的方法的有效性。附加关键词和短语:术语,词嵌入表达式,词向量,相似度,自然处理语言。
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引用次数: 0
Towards the Development of a Mobile Self-Eyeglass Assessment Application – iGlass: A Systematic Literature Review 面向移动自眼镜评估应用的开发——glass:系统文献综述
A. P. Abellon, C. J. Ariola, A. K. Danao, M. Samonte
Professional is now using and adopting the use of technology on their work, even medical professionals use technology through different platforms like e-Health, M-health and even telemedicine. Mobile health is the use of mobile phone to support the achievement of health objectives. This leads to the innovation of a mobile application wherein the user can check the health of their eyes anywhere they want. This study was conducted to effectively design a mobile application for self-eye assessments. This study found one hundred one (101) related studies all around the world to see an effective way to design a mobile application for eye assessment. The one hundred one (101) studies were filtered into seventeen (17) studies at uses it as the basis of designing a mobile application for eye assessment. All the literature review that was used in this study was published in the last five years. In conclusion, the proposed study will use a LogMAR chart for its visual acuity because of the limitation that was found in Snellen chart, a described process flow was proposed based on literatures with expert advise from optometrist and optician.
专业人员现在在工作中使用和采用技术,甚至医疗专业人员也通过不同的平台使用技术,如电子保健、移动保健甚至远程医疗。移动保健是利用移动电话支持实现保健目标。这导致了一种移动应用程序的创新,用户可以在任何地方检查他们的眼睛健康。本研究的目的是有效地设计一款用于自我评价的移动应用程序。本研究在全球范围内找到了101项相关研究,以寻找一种有效的方法来设计一款用于眼部评估的移动应用程序。这101项研究被筛选为17项研究,并以此为基础设计了一款用于视力评估的移动应用程序。这项研究中使用的所有文献综述都是在最近五年内发表的。综上所述,由于Snellen表的局限性,本研究将使用LogMAR表来衡量其视力,并根据文献,在验光师和验光师的建议下,提出了一个描述的工艺流程。
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引用次数: 0
Research on the Path of Talent Development and Upgrading of Mining Engineering under the Background of the Intelligent Mine 智能矿山背景下矿业工程人才发展与升级路径研究
Yong Chen, Yang Xu, L. Ke, N. Yao, Qiaozhi Wang
The construction of intelligent mines puts forward new challenges to the talent training of Mining Engineering. The connotation and future development trend of intelligent mines were systematically expounded in the paper, summarizing the current situation and the barriers to upgrading and transforming the major. Based on the development status of intelligent mines, a curriculum system construction plan was proposed incorporating the principle of merging traditional courses, introducing in new courses, strengthening knowledge integration, highlighting practical ability training, and setting elective course groups according to the research direction. In addition, a supporting teacher construction plan and a practice base construction plan were proposed accordingly. Subsequently, a talent training and an upgrading path for the major of Mining Engineering under the background of intelligent mining were proposed.
智能矿山的建设对矿业工程人才培养提出了新的挑战。本文系统阐述了智能矿山的内涵和未来发展趋势,总结了智能矿山专业的现状和升级转型的障碍。根据智能矿山的发展现状,提出了融合传统课程、引进新课程、加强知识整合、突出实践能力培养、根据研究方向设置选修课程群的课程体系建设方案。并据此提出了配套师资队伍建设方案和实践基地建设方案。在此基础上,提出了智能采矿背景下矿业工程专业人才培养与升级路径。
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引用次数: 0
期刊
Proceedings of the 7th International Conference on Frontiers of Educational Technologies
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