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Academic User Interest Extraction using Multi-feature TextRank Based on Interest Attenuation 基于兴趣衰减的多特征TextRank学术用户兴趣提取
Jie Zhang, Ruopeng Du, Liang Zhu, Yuantao Kou
User interest extraction is a bask task in the academic user behavior mining field. This paper proposes a multi-feature TextRank algorithm which combining behavioral characteristics of academic user and word characteristics of academic resource, aiming to extract academic user interests. This paper selects the real user behavior data from Agricultural Sci&Tech Information Resource Co-construction and Sharing Platform to conduct the experiment. Compared with TextRank, multi-feature TextRank improves P value by 4.8%, R value by 3.3%, and F value by 3.7%. And each performance of multi-feature TextRank is better than TF-IDF algorithm. The experiment shows that the multi-feature TextRank improves the accuracy and recall rate of TextRank, and it can be applied to automatic extraction of user interests in the context of multi-source academic resource usage.
用户兴趣提取是学术用户行为挖掘领域的一项基本任务。该文提出了一种结合学术用户行为特征和学术资源词汇特征的多特征TextRank算法,旨在提取学术用户兴趣。本文选取农业科技信息资源共建共享平台的真实用户行为数据进行实验。与TextRank相比,多特征TextRank的P值提高4.8%,R值提高3.3%,F值提高3.7%。多特征TextRank的各项性能均优于TF-IDF算法。实验表明,多特征TextRank提高了TextRank的准确率和查全率,可以应用于多源学术资源使用背景下的用户兴趣自动提取。
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引用次数: 0
Why Do People Share Viral Videos on Facebook in Viet Nam? 为什么越南人会在Facebook上分享病毒视频?
C. Nguyen, T. Le
The study's objective is to determine the factors affecting the intention to share viral videos on Facebook in Viet Nam. This research employs a quantitative approach, and the sample size includes 280 Facebook users in Viet Nam. The research method includes reliability analysis, exploratory factor analysis (EFA), Pearson correlation analysis and multiple regression analysis. The research items were measured on a 5-Likert scale, and data were processed by SPSS 20.0 software. The findings identify 06 factors influencing the Intention to share viral videos among Vietnamese Facebook users: Social Currency, Triggers, Content, Public, Emotion, Practical Value. The managerial implications are also discussed to help businesses and advertising agencies to build effective marketing strategies embedded in viral videos on Facebook.
该研究的目的是确定影响越南在Facebook上分享病毒视频的意愿的因素。本研究采用定量方法,样本量包括越南的280名Facebook用户。研究方法包括信度分析、探索性因子分析(EFA)、Pearson相关分析和多元回归分析。研究项目采用5-Likert量表进行测量,数据采用SPSS 20.0软件处理。调查结果确定了影响越南Facebook用户分享病毒视频意愿的06个因素:社交货币、触发因素、内容、公共、情感、实用价值。本文还讨论了管理意义,以帮助企业和广告代理商建立有效的营销策略,嵌入在Facebook上的病毒视频中。
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引用次数: 0
The Influence of Disease Avoidance Motive on the Economic Behavior Ethics under the Impact of Pandemic: A Moderated Mediation Model 流行病影响下疾病回避动机对经济行为伦理的影响:一个有调节的中介模型
Tianbi Gao, Yan-mei Li
Objective: As one of the basic social motives, Disease Avoidance Motive is the deep psychological factor behind many social behaviors. Since the emergence of the COVID-19 and its continuous spread across the world at the end of 2019, the ever-changing and recurring COVID-19 pandemic has increased people's fear and rejection of the threat of infectious diseases, and activated people's Disease Avoidance Motive, which has remained at a high level for a long time. This study takes Disease Avoidance Motive as the starting point, introduces COVID Control Regulations as the intermediary, and disease vulnerability as the regulator, to explore the influence of Disease Avoidance Motive on Economic Behavior Ethics. Methods: Regression analysis, SPSS Statistics and Moderated Mediation Model were applied and 524 random respondents were surveyed through Basic Social Motivation Scale, Pandemic Norm Compliance Questionnaire, Economic Behavior Ethics Questionnaire and Scale of Perceived Vulnerability to Disease. Results: (1) Disease Avoidance Motive positively predicts Economic Behavior Ethics; (2) COVID Control Regulations play a mediating role between Disease Avoidance Motive and Economic Behavior Ethics (3) Perceived Vulnerability to Disease positively moderates the direct effect of Disease Avoidance Motive on Economic Behavior Ethics. Conclusion: Under the moderation of Perceived Vulnerability to Disease, Disease Avoidance Motive exerts an influence on the Economic Behavior Ethics through COVID Control Regulations.
目的:疾病回避动机是一种基本的社会动机,是许多社会行为背后的深层心理因素。自2019年底新冠肺炎疫情出现并在全球持续蔓延以来,不断变化和反复出现的新冠肺炎大流行加剧了人们对传染病威胁的恐惧和排斥,激活了人们长期处于高位的疾病回避动机。本研究以疾病回避动机为出发点,以《新冠肺炎防控条例》为中介,以疾病脆弱性为调节因子,探讨疾病回避动机对经济行为伦理的影响。方法:采用回归分析、SPSS统计和有调节的中介模型,通过基本社会动机量表、流行病规范依从性问卷、经济行为伦理问卷和疾病感知脆弱性量表对524名随机被调查者进行问卷调查。结果:(1)疾病回避动机正向预测经济行为伦理;(2)疫情防控法规在疾病回避动机与经济行为伦理之间起中介作用。(3)感知疾病脆弱性正调节疾病回避动机对经济行为伦理的直接影响。结论:在疾病感知脆弱性调节下,疾病回避动机通过疫情防控法规对经济行为伦理产生影响。
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引用次数: 0
The Relationship Between Social Support and Subjective Happiness: A mediation model with moderator: This paper expounds the influence of social support on subjective well-being and its internal influence mechanism 社会支持与主观幸福感的关系:一个有调节因子的中介模型:本文阐述了社会支持对主观幸福感的影响及其内在影响机制
Min Zhang, Lu Huang, Jiao Yi
Subjective happiness has always been the key research object of scholars, because subjective happiness has an important influence on satisfaction, work efficiency and social development. Especially in today's Internet age, the rapid development of computer technology brings convenience to people, but also brings many troubles. Because of the popularity of computer technology, there is no clear boundary between work and life, and people still hold computers to work after work, which brings great troubles to workers and managers. For workers, they suffer from overtime and have to continue to face the computer when they go home; For managers, employees can't stand heavy tasks and leave, especially in the computer field, the turnover rate is extremely serious. And how to improve the subjective happiness of employees under the background of Internet? This has become the focus of scholars' research. Therefore, scholars have been devoted to studying the factors that affect people's subjective happiness, especially under the background of computer technology. At present, the academic community has not yet reached a unified consensus. Some scholars think that gender will affect people's subjective happiness, and women are more likely to feel happy than men, while others think that education level will affect people's subjective happiness, because people with higher education level will get more resources from society, and thus be more satisfied. Few scholars have studied the predictive effect of social support on subjective happiness, let alone its internal influence mechanism. In order to clarify the mechanism of social support on subjective happiness in the context of Internet, this paper introduces work value as an intermediary variable, trust as a regulatory variable and takes the data of China Family Panel Studies (CFPS) in 2020 as the analysis object. The results show that: (1) After controlling educational background, age and gender, social support has a significant positive predictive effect on subjective happiness; (2) Work value plays an intermediary role in the relationship between social support and subjective happiness. (3) The moderating effect of trust between social support and Work value; (4) Trust plays a moderating role between work value and subjective happiness.
主观幸福感一直是学者们重点研究的对象,因为主观幸福感对满意度、工作效率和社会发展有着重要的影响。尤其是在当今的互联网时代,计算机技术的飞速发展给人们带来便利的同时,也带来了许多烦恼。由于计算机技术的普及,工作和生活没有明确的界限,人们下班后仍然拿着电脑工作,这给工人和管理者带来了很大的麻烦。对于工人来说,他们要忍受加班,回家后还要继续面对电脑;对于管理者来说,员工不能忍受繁重的任务而离开,特别是在计算机领域,离职率极其严重。如何在互联网背景下提高员工的主观幸福感?这已成为学者们研究的焦点。因此,学者们一直致力于研究影响人们主观幸福感的因素,特别是在计算机技术的背景下。目前,学术界尚未达成统一的共识。一些学者认为性别会影响人们的主观幸福感,女性比男性更容易感到幸福,而另一些学者则认为受教育程度会影响人们的主观幸福感,因为受教育程度高的人会从社会中获得更多的资源,从而更满意。很少有学者研究社会支持对主观幸福感的预测作用,更遑论其内在影响机制。为了明确互联网背景下社会支持对主观幸福感的影响机制,本文引入工作价值作为中介变量,信任作为调节变量,并以2020年中国家庭面板研究(CFPS)数据为分析对象。结果表明:(1)在控制学历、年龄和性别后,社会支持对主观幸福感有显著的正向预测作用;(2)工作价值在社会支持与主观幸福感的关系中起中介作用。(3)信任对社会支持与工作价值的调节作用;(4)信任在工作价值与主观幸福感之间起调节作用。
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引用次数: 0
Research on the Impact of Different Intensity Task Scaffolding on Students' Learning Effect Under Virtual Simulation Experiment 虚拟仿真实验中不同强度任务搭建对学生学习效果的影响研究
Ziyu Zhou, Jun Yin
With the maturity and development of virtual simulation technology, how to use virtual simulation to improve existing education has become a hot research topic in the education industry. However, how to use learning scaffolding to improve the effectiveness of virtual simulation systems still need further research. This paper combines learning scaffolding theory and self-determination theory to investigate the effects of different intensity task scaffolding on the learning effectiveness of students with different cognitive styles, using the virtual simulation experiment platform of material procurement process as the research object. The results show that the intrinsic motivation and learning satisfaction of field-independent students are higher than field-dependent students under different intensity task scaffolding; the autonomy needs, competence needs and relationship needs of two cognitive styles students are satisfied by different intensity task scaffolding, but field-independent students obtain more needs satisfaction.
随着虚拟仿真技术的成熟和发展,如何利用虚拟仿真来改进现有的教育已成为教育行业的研究热点。然而,如何利用学习脚手架来提高虚拟仿真系统的有效性还需要进一步的研究。本文以材料采购过程虚拟仿真实验平台为研究对象,结合学习脚手架理论和自我决定理论,研究不同强度的任务脚手架对不同认知风格学生学习有效性的影响。结果表明:在不同强度的任务搭建下,场独立型学生的内在动机和学习满意度均高于场依赖型学生;两种认知风格学生的自主性需求、能力需求和关系需求均能通过不同强度的任务脚手架得到满足,而场独立型学生的需求满意度更高。
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引用次数: 0
The Evolution of Global High-tech Products Trade Structure and Its Influencing Factors 全球高技术产品贸易结构演变及其影响因素
Mingtai Fan
Through a comprehensive study on the evolution of global high-tech products trade structure, we can find that under the new trade environment, the trade structure of high-tech products gradually changed from “europe-north America” to East Asia, the trade network structure has also changed from a single U. s.-led to a “multi-pattern” , and the influence and supply capacity of countries around the world have been increasing. But overall, the United States is still at the top of the trade structure of high-tech products, with absolute voice. Therefore, it is of great practical significance to discuss the evolution of global high-tech product trade structure and its influencing factors. Based on the global trade of high-tech products, this paper makes a detailed analysis of the evolution trend of trade structure, the influencing factors and the way to deal with it. Economic growth usually leads to an increase in the volume of exports, so the terms of trade of a country's income will always rise, other things being equal. Since economic growth also has an uncertain impact on the terms of trade, one of the components of the terms of trade, the final impact of economic growth on the terms of trade is also uncertain. Higher productivity increases the output of the given factors of production, which in turn increases the terms of trade of the factors.
通过对全球高技术产品贸易结构演变的综合研究,我们可以发现,在新的贸易环境下,高技术产品贸易结构逐渐从“欧洲-北美”向“东亚”转变,贸易网络结构也从单一的美国主导向“多格局”转变,世界各国的影响力和供给能力不断增强。但总体而言,美国仍处于高科技产品贸易结构的顶端,拥有绝对的话语权。因此,探讨全球高技术产品贸易结构演变及其影响因素具有重要的现实意义。本文以全球高技术产品贸易为背景,详细分析了全球高技术产品贸易结构的演变趋势、影响因素及应对途径。经济增长通常会导致出口量的增加,因此在其他条件相同的情况下,一国收入的贸易条件总是会上升。由于经济增长对贸易条件(贸易条件的组成部分之一)也有不确定的影响,因此经济增长对贸易条件的最终影响也是不确定的。更高的生产率提高了特定生产要素的产量,进而提高了这些要素的贸易条件。
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引用次数: 0
A Blockchain-based Framework for the Supply Chain Finance in The Electric-power Industry 基于区块链的电力行业供应链金融框架
Xinda Li, Wanting Yin, Yilin Li, Y. Wang, Lin Wei
In order to solve the issue of information asymmetry between commercial banks as well as small- and medium-sized enterprises in supply chain finance, and further reduce their financing cost, this paper proposes to use blockchain as a tool to promote data sharing for the supply chain finance in the electric-power industry. Under the scenario of power grid industry and the specific business of order financing, we design a theoretical model of financial data sharing in power grid industry chain based on multi-chain and consortium chain, combined with encryption algorithm, distributed database and policy-based access control method.
为了解决商业银行和中小企业在供应链金融中的信息不对称问题,进一步降低中小企业的融资成本,本文提出利用区块链作为工具,促进电力行业供应链金融的数据共享。在电网行业场景和订单融资具体业务下,结合加密算法、分布式数据库和基于策略的访问控制方法,设计了基于多链和联盟链的电网产业链金融数据共享理论模型。
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引用次数: 0
G†eographic Flighting for the Tennis Competitors of Dallas: A Case Study in Optimizing Drive Time and Competition in Sports League Design 达拉斯网球选手的地理飞行:优化驾驶时间和体育联赛设计竞争的案例研究
Zhuo J. Chen
Club sports (also known as recreational team sports) are prevalent in the metropolitan areas of the United States nowadays. However, there is a key concern for organizers: how to reduce the time players spend driving to and from matches while keeping league divisions competitive. We adopt a three-step approach to solve this problem. Initially, we analyze the drive time data between the clubs’ locations to determine geographic regions for the league. Next, clubs are assigned to divisions based on their ranking within in the league and their home facility's geographic region. Finally, divisions are further subdivided to minimize drive time. Applying the approach to the Tennis Competitors of Dallas, a large and well-established sports league in Texas, USA, we demonstrate that it can rearrange the existing divisions in a way that not only shortens the drive time for players, but also maintains an acceptable level of competition.
俱乐部运动(也被称为休闲团队运动)现在在美国的大都市地区很流行。然而,对于组织者来说,有一个关键的问题:如何减少球员往返比赛的时间,同时保持联赛级别的竞争力。我们采取三步走的方法来解决这个问题。最初,我们分析俱乐部位置之间的驾驶时间数据,以确定联盟的地理区域。接下来,根据俱乐部在联赛中的排名和主场所在的地理区域,俱乐部被分配到不同的级别。最后,部门进一步细分,以尽量减少驾驶时间。我们将此方法应用于美国德克萨斯州的一个大型和成熟的体育联盟——达拉斯网球竞技联盟,我们证明它可以重新安排现有的分区,不仅缩短了球员的开车时间,而且保持了一个可接受的竞争水平。
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引用次数: 0
What Drives Knowledge Collaboration? Decomposing Knowledge Contribution Assessment, Finding Antecedents 什么推动了知识协作?分解知识贡献评估,寻找前因式
Ruilin Zhang, Jun Wang
Knowledge contribution is a positive process in knowledge collaboration. Using what approach to measure the knowledge contribution is critical for improving the efficiency of knowledge collaboration. Based on the studies of knowledge sharing barrier, this paper decomposed knowledge contribution into technological, communication and organization contribution and advocated the peer-assessment for knowledge contribution. Finding antecedents of each contribution is also crucial for accurate and effective knowledge management. Combined with the individual behavior model and IS success model, this paper proposed following antecedents: motivation, perception, ability and personality. Motivation and perception are intentional antecedents, but ability and personality are unintentional. In accordance with a field study of 250 employees, nested into 50 groups, we discover that individual learning motivation and perception of explicit knowledge heterogeneity can promote technological contribution but perception of tacit knowledge heterogeneity has an opposite effect; group motivation of social identity, acquisition ability and agreeableness traits increase communication contribution; group motivation, application ability and agreeableness enhance organization contribution.
知识贡献是知识协作中的一个积极过程。采用何种方法衡量知识贡献对提高知识协作效率至关重要。本文在研究知识共享障碍的基础上,将知识贡献分解为技术贡献、沟通贡献和组织贡献,并主张对知识贡献进行同行评价。找到每个贡献的前因后果对于准确和有效的知识管理也是至关重要的。结合个体行为模型和IS成功模型,提出了动机、感知、能力和个性四个前因。动机和知觉是有意的前因,但能力和个性是无意的。通过对50组250名员工的实地研究,我们发现个体学习动机和显性知识异质性感知对技术贡献有促进作用,而隐性知识异质性感知对技术贡献有相反作用;社会认同、习得能力和亲和性特征的群体动机增加了交际贡献;团队动机、应用能力和亲和力增强了组织贡献。
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引用次数: 0
Blockchain adoption in supply chain finance: a research model for empirical investigation in the electricity industry 区块链在供应链金融中的应用:电力行业实证调查研究模型
Xinda Li, G. Chen, Lin Wei, Y. Wang, Yilin Li
The purpose of this study is to study the behavioral intentions and influencing factors of blockchain adoption in the context of supply chain finance in the electricity industry. We propose a new model by drawing on the strength of the UTAUT model's ability to identify individual behavioral factors in organizations and the TOE framework's ability to identify external influences on organizations. This paper is empirically validated by distributing a questionnaire to employees of companies in the electric industry. This study will provide theoretical and practical contributions to the adoption of blockchain technology in electricity industry.
本研究的目的是研究电力行业供应链金融背景下区块链采用的行为意图及其影响因素。通过利用UTAUT模型识别组织中个体行为因素的能力和TOE框架识别组织外部影响的能力,我们提出了一个新的模型。通过对电力行业企业员工进行问卷调查,对本文进行了实证验证。本研究将为区块链技术在电力行业的应用提供理论和实践贡献。
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引用次数: 0
期刊
Proceedings of the 5th International Conference on Information Management and Management Science
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