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Interdisciplinary Analysis of Science Communication on Social Media during the COVID-19 Crisis 新冠肺炎危机中社交媒体科学传播的跨学科分析
Pub Date : 2023-02-13 DOI: 10.3390/knowledge3010008
Thomas Mandl, S. Jaki, Hannah Mitera, Franziska Schmidt
In times of crisis, science communication needs to be accessible and convincing. In order to understand whether these two criteria apply to concrete science communication formats, it is not enough to merely study the communication product. Instead, the recipient’s perspective also needs to be taken into account. What do recipients value in popular science communication formats concerning COVID-19? What do they criticize? What elements in the formats do they pay attention to? These questions can be answered by reception studies, for example, by analyzing the reactions and comments of social media users. This is particularly relevant since scientific information was increasingly disseminated over social media channels during the COVID-19 crisis. This interdisciplinary study, therefore, focuses both on science communication strategies in media formats and the related comments on social media. First, we selected science communication channels on YouTube and performed a qualitative multi-modal analysis. Second, the comments responding to science communication content online were analyzed by identifying Twitter users who are doctors, researchers, science communicators and those who represent research institutes and then, subsequently, performing topic modeling on the textual data. The main goal was to find topics that directly related to science communication strategies. The qualitative video analysis revealed, for example, a range of strategies for accessible communication and maintaining transparency about scientific insecurities. The quantitative Twitter analysis showed that few tweets commented on aspects of the communication strategies. These were mainly positive while the sentiment in the overall collection was less positive. We downloaded and processed replies for 20 months, starting at the beginning of the pandemic, which resulted in a collection of approximately one million tweets from the German science communication market.
在危机时期,科学传播需要易于理解和令人信服。为了了解这两个标准是否适用于具体的科学传播形式,仅仅研究传播产品是不够的。相反,接受者的观点也需要考虑进去。关于COVID-19的科普传播形式,受众看重什么?他们批评什么?他们关注格式中的哪些元素?这些问题可以通过接受研究来回答,例如,通过分析社交媒体用户的反应和评论。这一点尤其重要,因为在2019冠状病毒病危机期间,科学信息越来越多地通过社交媒体渠道传播。因此,这项跨学科的研究既关注媒体形式下的科学传播策略,也关注社交媒体上的相关评论。首先,我们选择了YouTube上的科学传播频道,并进行了定性的多模态分析。其次,通过识别医生、研究人员、科学传播者和代表研究机构的Twitter用户,对在线科学传播内容的评论进行分析,然后对文本数据进行主题建模。主要目标是寻找与科学传播策略直接相关的主题。例如,定性视频分析揭示了一系列便于交流和保持科学不安全感透明度的策略。定量推特分析显示,很少有推文评论了传播策略的各个方面。这些主要是积极的,而整体收集的情绪不太积极。从大流行开始,我们下载并处理了20个月的回复,结果收集了来自德国科学传播市场的大约100万条推文。
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引用次数: 2
Supply Chain Disruption versus Optimization: A Review on Artificial Intelligence and Blockchain 供应链中断与优化:人工智能和区块链综述
Pub Date : 2023-02-09 DOI: 10.3390/knowledge3010007
M. Kashem, M. Shamsuddoha, Tasnuba Nasir, Asma Akter Chowdhury
In response to significant disruption, supply chain optimization became sensitive to increasing consumer expectations, unexpected demand fluctuation, and inventory costs. Proactive movement, understanding, and empowerment have fostered the beneficial results of supply chain optimization, cooperation, and operational resilience. These pioneering activities are critical to achieving a paradigm shift in the supply chain, even agility in response to changing demand. However, sophisticated analytics such as artificial intelligence (AI) and blockchain are supposed to overcome these challenges to make smarter decisions on a daily basis. Due to these facts, this study aimed to model AI’s and blockchain’s role in supply chain optimization by conducting a systematic literature review based on the idealized framework of Rejeb et al., (2022) and the SALSA mechanism. In addition, this paradigm-shifting approach will provide fairer views and options for managing forecasting, planning, monitoring, and reporting across the entire supply chain. The emphasis remains on real-time accuracy, easy access, and optimization of operational indicators such as sales, visibility, and end-to-end supply chain operations at all times and from any location. It will be an eye-opening experience to enable stakeholders and partners to communicate information collaboratively, consistently, and efficiently.
为了应对重大的中断,供应链优化对不断增加的消费者期望、意外的需求波动和库存成本变得敏感。主动行动、理解和授权促进了供应链优化、合作和运营弹性的有益结果。这些开拓性的活动对于实现供应链的范式转变至关重要,甚至可以灵活地响应不断变化的需求。然而,人工智能(AI)和b区块链等复杂的分析应该能够克服这些挑战,在日常生活中做出更明智的决策。基于这些事实,本研究旨在通过基于Rejeb等人(2022)的理想化框架和SALSA机制进行系统的文献综述,模拟AI和区块链在供应链优化中的作用。此外,这种范式转换方法将为管理整个供应链的预测、计划、监测和报告提供更公平的观点和选择。重点仍然是实时准确性,易于访问和优化操作指标,如销售,可见性和端到端供应链操作,在任何时间和任何地点。这将是一次大开眼界的经历,使利益相关者和合作伙伴能够协作、一致和有效地沟通信息。
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引用次数: 4
The Students’ Representative Processes in Solving Mathematical Word Problems 学生解决数学应用题的代表性过程
Pub Date : 2023-01-28 DOI: 10.3390/knowledge3010006
Rully Charitas, Indra Prahmana, I. Akib
Representation in mathematics is essential as a basis for students to be able to understand and apply mathematical ideas. This study aims to describe how students produce different representations in solving word problems. In solving word problems, students make verbal–written representations, image representations, and symbol representations. This research uses a qualitative descriptive study involving 75 fifth-grade students at one of the private schools in Makassar, Indonesia. Setting and Participants: two subjects were chosen from 75 participants based on the completion of word problems that resulted in different representations, including verbal–written representations, picture representations, and symbol representations. The instruments used were word problems and interview sheets, although some other students only used one or two forms of mathematical representation. The results of this study indicate that, from the different representations produced that include verbal–written representations, image representations, and symbol representations, students carry out the process of translation, integration, solution, and evaluation until finding answers. In addition, other findings were students’ ‘mathematical literacy which immensely helped the students’ representation process in solving word problems. three forms of representation were found to be produced by students: verbal–written, image representation, and symbol representation. Furthermore, the three forms of representation were created through carrying out four representation processes, namely the processes of translation, integration, solution, and evaluation.
数学中的表示是学生理解和应用数学思想的基础。本研究旨在描述学生在解决文字问题时如何产生不同的表征。在解决文字问题时,学生进行口头、书面表征、形象表征和符号表征。本研究采用定性描述性研究,涉及印度尼西亚望加锡一所私立学校的75名五年级学生。情境和参与者:从75名参与者中选出两名受试者,根据完成的单词问题产生不同的表征,包括口头-书面表征、图片表征和符号表征。使用的工具是文字问题和访谈纸,尽管其他一些学生只使用一种或两种形式的数学表示。本研究结果表明,学生从产生的不同表征(包括口头-书面表征、形象表征和符号表征)开始,进行翻译、整合、解决、评价的过程,直到找到答案。此外,其他发现是学生的数学素养,这极大地帮助学生在解决文字问题的表征过程。研究发现,学生产生了三种表征形式:口头-书面表征、形象表征和符号表征。进而通过翻译、整合、解决、评价四个表征过程,形成了三种表征形式。
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引用次数: 0
Acknowledgment to the Reviewers of Knowledge in 2022 向2022年知识审稿人致谢
Pub Date : 2023-01-19 DOI: 10.3390/knowledge3010005
High-quality academic publishing is built on rigorous peer review [...]
高质量的学术出版建立在严格的同行评审的基础上[…]
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引用次数: 0
PARTISIPASI MASYARAKAT DUSUN CEMARE DALAM PENGELOLAAN KAWASAN EKOWISATA LEMBAR SELATAN 农民参与南部公园生态旅游管理
Pub Date : 2023-01-18 DOI: 10.51878/knowledge.v2i4.1854
MARNINGOT TUA NATALIS SITUMORANG
Communities in Cemare Village, South Lembar Ecoturism Area, West Lombok, West Nusa Tenggara actively participate in managing the potential of the South Lembar Ecotourism area by developing the mangrove area for a place of business as well as maintaining the mangroves. The management they use is to protect the beach from all forms of pollution. Beaches, selling food and drinks and renting boats to go around ecploring the mangroves, this has become a tradition that has been preseverd for generations such as the obligation to keep mangroves, thriving and beaches clean. The active participation of the Cemare Village Community in all activities of the south lembar ecotorism area management starting from the participation of their time, thoughts, energy, money, skills to possessions. This participation is given as a direct contribution to the community in managing the south lembar ecotourism area in Cemare Village, lembar south village, west Lombok Regency, West Nusa Tenggara. This research was conducted to find out how the active participation of the community in managing the south lembar ecotourism area and its impact on increasing the income of the people of Cemare Village, West Lombok. This research was carried out by going directly to the field to see the real conditions of cemare village and interviewing local residents and tourist and then the data obtained was analyzed using a qualitative descriptive method. The management of the south lembar ecotourism area is ultimately able to improve the welfare pf local communities, strengthen social relations among communities and preserve mangroves. ABSTRAKMasyarakat di Dusun Cemare Kawasan Ekowisata Lembar Selatan, Lombok Barat, Nusa Tenggara Barat berpartisipasi aktif dalam pengelolaan potensi kawasan ekowisata Lembar Selatan dengan mengembangkan Kawasan mangrove tersebut untuk tempat berusaha sekaligus mereka memelihara Mangrove tersebut, pemanfaatan Pengelolaan yang mereka lakukan adalah menjaga pantai dari segala bentuk pencemaran pantai, menjual makanan dan munuman serta menyewakan perahu untuk berkeliling menyusuri mangrove, ini menjadi tradisi yang dilestarikan turun menurun seperti kewajiban menjaga mangrove supaya tumbuh subur dan pantai bersih. Partisipasi aktif Masyarakat Dusun Cemare dalam semua kegiatan pengelolaan Kawasan Ekowisata Lembar Selatan mulai dari partisipasi waktu, pikiran, tenaga, uang, keterampilan hingga harta benda nya. Partisipasi itu diberikan sebagai kontribusi langsung masyarakat dalam pengelolaan Kawasan Ekowisata Lembar Selatan Dusun Cemare, Desa Lembar Selatan, Kabupaten Lombok Barat Nusa Tenggara Barat. Penelitian ini dilaksanakan untuk mengetahui bagaimana partisipasi aktif masyarakat dalam pengelolaan kawasan Ekowisata Lembar Selatan serta dampaknya kepada peningkatan pendapatan masyarakat Dusun Cemare, Lombok Barat. Penelitian ini dilaksanakan dengan turun langsung ke lapangan melihat kondisi real dusun cemare dan mewawancarai penduduk local dan wisatawan kemudian
南兰巴岛生态旅游区、西龙目岛、西努沙登加拉岛的Cemare村社区积极参与管理南兰巴岛生态旅游区的潜力,将红树林地区开发为商业场所,并维护红树林。他们采取的管理措施是保护海滩免受各种形式的污染。海滩,卖食物和饮料,租船去探索红树林,这已经成为一种传统,已经保留了几代人,如保持红树林,繁荣和海滩清洁的义务。切马雷村社区积极参与南兰巴生态旅游区管理的所有活动,从参与他们的时间、思想、精力、金钱、技能到财产。这种参与是对社区管理西努沙登加拉龙目岛西兰巴南村Cemare村南兰巴生态旅游区的直接贡献。本研究旨在了解社区如何积极参与管理南龙目岛生态旅游区及其对增加西龙目岛Cemare村人民收入的影响。本研究是通过直接到实地实地考察cemare村的真实情况,对当地居民和游客进行访谈,然后采用定性描述的方法对所获得的数据进行分析。南兰巴生态旅游区的管理最终能够改善当地社区的福利,加强社区之间的社会关系,保护红树林。摘要:川山红树林,龙目岛红树林,努沙登加拉红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林,川山红树林门加加红树林,丹潘泰,丹潘泰郊区。党代会主席、党代会主席、党代会主席、党代会主席、党代会主席、党代会主席、党代会主席、党代会主席、党代会主席、党代会主席。龙目岛,龙目岛,龙目岛,龙目岛,龙目岛。Penelitian ini dilaksanakan untuk mengetahui bagaimana partisipasi aktif masyarakat dalam pengelolaan kawasan Ekowisata Lembar Selatan serta dampaknya kepada peningkatan pendapatan masyarakat Dusun Cemare,龙目岛。Penelitian ini dilaksanakan dengan turun langsung ke lapangan melihat kondisi real dusun cemare dan mewawankarai penduduk本地dan wisatawan kemudian数据yang diperoleh dianaleh dianalan方法描述定性。Pengelolaan Kawasan Ekowisata Lembar Selatan ini padaakhirnya mampu meningkatkan kesejahteraan masyarakat local,成员社会kemasyarakatan diantara masyarakat, dan pelestarian红树林。
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引用次数: 1
Effects of Pedagogical Agents on Learners’ Knowledge Acquisition and Motivation in Digital Learning Environments 数字化学习环境下教学代理对学习者知识获取和动机的影响
Pub Date : 2023-01-13 DOI: 10.3390/knowledge3010004
Ines Zeitlhofer, Joerg Zumbach, Verena Aigner
We assume that learners generate self-reference to a topic dealt with in class through motivational prompts of a pedagogical agent (PA). This assumption is based on self-determination theory and organismic integration theory. Consequently, learners are more motivated and achieve better learning results. We examined the influence of motivational prompts on learning success and motivation in a digital learning environment. Therefore, we implemented a PA within a web-based learning environment in order to scaffold learners’ autonomous motivation. In an experimental pre-post design (n = 60), learning success and motivation were analyzed comparing learning environments with and without PA/prompting. Results suggest that learners with a PA reach a higher level of knowledge than learners without a PA. There was no significant influence of motivational prompts on motivation itself. The limitations and conclusions of this study are discussed.
我们假设学习者通过教学代理(PA)的动机提示对课堂上处理的主题产生自我参考。这一假设是基于自我决定理论和有机整合理论。因此,学习者更有动力,取得更好的学习效果。我们研究了在数字化学习环境中,动机提示对学习成功和动机的影响。因此,我们在基于网络的学习环境中实现了PA,以支撑学习者的自主动机。在实验前后设计(n = 60)中,比较有和没有PA/提示的学习环境,分析学习成功和动机。结果表明,有PA的学习者比没有PA的学习者达到更高的知识水平。动机提示对动机本身无显著影响。讨论了本研究的局限性和结论。
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引用次数: 2
Multi-Criteria Evaluation Method in the Field of University Education: Application to a Course on Energy Markets 大学教育领域的多标准评价方法:在能源市场课程中的应用
Pub Date : 2023-01-09 DOI: 10.3390/knowledge3010003
M. Alcázar-Ortega, Lina Montuori, J. Rodríguez-García, Carlos Vargas-Salgado
The Bologna Plan adopted by European universities ended the hegemony of an evaluation system exclusively based on the performance of traditional examinations. In this area, with a view to revitalizing grading models in university education, a wide range of evaluation mechanisms has been developed in recent years. Using them, teachers may evaluate the learning levels of their students, including both the specific competences of the taught subject and the transversal competences that help students further develop their professional careers. This article presents a methodology based on a multi-criteria procedure through which students could be evaluated from different points of view, based on different types of evaluation mechanisms that are diversely weighted. Therefore, their levels of learning could be assessed more objectively. This article shows a practical case of applying this methodology, which has been used for the last five years in a course on energy markets taught as part of the Degree in Energy Engineering at the UPV.
欧洲大学采用的博洛尼亚计划结束了完全以传统考试成绩为基础的评价体系的霸权。在这方面,为了重振大学教育的评分模式,近年来发展了各种各样的评估机制。教师可以利用这些测试来评估学生的学习水平,包括所教学科的特定能力和帮助学生进一步发展职业生涯的横向能力。本文提出了一种基于多标准程序的方法,通过该方法,学生可以从不同的角度进行评估,基于不同权重的不同类型的评估机制。因此,可以更客观地评估他们的学习水平。本文展示了应用该方法的一个实际案例,该方法已在过去五年中用于UPV能源工程学位的能源市场课程中。
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引用次数: 1
Managing Knowledge in Romanian KIBS during the COVID-19 Pandemic COVID-19大流行期间罗马尼亚KIBS的知识管理
Pub Date : 2023-01-09 DOI: 10.3390/knowledge3010002
A. Zbuchea, E. Dinu, A. Iliescu, Roxana-Maria Stăneiu, Bianca-Roxana Salageanu (Șoldan)
KIBS are increasingly important organizations for ensuring sustainable development. Their core asset is knowledge, manifested in many ways and managed in a complex manner, sometimes jointly with clients. Like other organizations, KIBS companies have been greatly impacted by the COVID-19 pandemic. At the same time, they could provide support to their customers to better cope with the challenges associated with the pandemic. Therefore, the present paper investigates how Romanian KIBS coped with the pandemic by developing 16 interviews with key persons from four different organizations, covering a range of specializations (technical, professional, and creative). The purpose of the present study is to identify the challenges for knowledge management caused by the COVID-19 pandemic and how the pandemic influenced knowledge management performance within Romanian KIBS. The investigation reveals that the pandemic was an opportunity for organizational development and adopting more formal knowledge management practices, as well as for developing the digital profile of companies.
中小企业是确保可持续发展的日益重要的组织。他们的核心资产是知识,以多种方式表现出来,并以复杂的方式管理,有时与客户共同管理。与其他组织一样,KIBS公司也受到了COVID-19大流行的巨大影响。与此同时,它们可以向客户提供支持,以更好地应对与大流行病有关的挑战。因此,本文通过对来自四个不同组织的关键人物进行16次访谈,调查了罗马尼亚KIBS如何应对这一流行病,访谈涵盖了一系列专业(技术、专业和创意)。本研究的目的是确定COVID-19大流行给知识管理带来的挑战,以及大流行如何影响罗马尼亚KIBS的知识管理绩效。调查显示,大流行是组织发展和采用更正式的知识管理实践以及发展公司数字形象的机会。
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引用次数: 4
Catalyst Recycling in the Suzuki Coupling Reaction: Toward a Greener Synthesis in the Pharmaceutical Industry 铃木偶联反应中的催化剂回收:制药工业的绿色合成
Pub Date : 2022-12-27 DOI: 10.3390/knowledge3010001
Shoma Mukai, Yusuke Yamada
The Suzuki coupling is a transition metal-catalyzed, cross-coupling carbon–carbon (C–C) bond forming reaction between organic boron compounds and organic halides. As an operationally simple and versatilely applicable procedure, the Suzuki coupling reaction has found immense applications in drug discovery and development in the pharmaceutical industry. Recently, the topic of catalyst recycling has undergone intensive investigations with ever-growing interest in eco-friendly and sustainable synthesis. To recapitulate the latest progress in catalyst recycling in the Suzuki coupling reaction, this invited paper reviews key principles, benefits, challenges, and cutting-edge applications of recyclable catalysts for green synthesis of industrially valuable bioactive molecules. This review paper also discusses how artificial intelligence (AI) could further advance green synthesis of pharmaceutical products.
铃木偶联是有机硼化合物和有机卤化物之间由过渡金属催化、交叉偶联的碳-碳(C-C)键形成反应。铃木偶联反应是一种操作简单、用途广泛的反应,在制药工业的药物发现和开发中有着巨大的应用。近年来,催化剂的循环利用问题得到了广泛的研究,人们对环保和可持续合成的兴趣日益浓厚。本文综述了铃木偶联反应中催化剂回收利用的最新进展,综述了可回收催化剂用于绿色合成具有工业价值的生物活性分子的关键原理、优势、挑战和前沿应用。本文还讨论了人工智能(AI)如何进一步推动医药产品的绿色合成。
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引用次数: 2
Technology Transfer Offices and Their Role with Information Mechanisms for Innovation Performance in Firms: The Case of Ghana 技术转移办公室及其在企业创新绩效信息机制中的作用:以加纳为例
Pub Date : 2022-12-12 DOI: 10.3390/knowledge2040041
Abdul-Fatahi Abdulai, Lyndon Murphy, Andrew Thomas, B. Thomas
Research into formal and informal technology transfer between universities and industry in economical developed counties is well-documented. However, such studies are limited in number in developing economies. In the context of developing economies, this study analyses technology transfer offices’ role in university technology transfer to Ghanaian firms. We incorporate informal mechanisms as a moderating variable to explore the role of human interaction in the technology transfer value chain. In a cross-sectional survey in Ghana, using structural equation modelling with 245 firms, our research finds a negative moderating effect of informal mechanisms on the effect of technology transfer offices on innovation performance in firms. The findings are of significance to universities and corporate bodies in economically developing nations such as Ghana. Policies to improve the effect of informal mechanisms of university technology transfer offices are proposed in developing economies.
对经济发达国家大学和工业之间的正式和非正式技术转移的研究有充分的文献记录。然而,这类研究在发展中经济体的数量有限。在发展中经济体的背景下,本研究分析了技术转移办公室在大学向加纳企业转移技术中的作用。我们将非正式机制作为调节变量来探讨人类互动在技术转移价值链中的作用。在加纳的一项横断面调查中,我们使用结构方程模型对245家企业进行了研究,发现非正式机制对技术转移办公室对企业创新绩效的影响具有负调节作用。这一发现对加纳等经济发展中国家的大学和企业机构具有重要意义。在发展中国家,提出了提高大学技术转移办公室非正式机制效果的政策建议。
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引用次数: 0
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Science of aging knowledge environment : SAGE KE
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