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Microblog Information Diffusion: Simulation Based on SIR Model LIU Dan, YIN Ya-wen, SONG Ming Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2014, 16 (3): 28-33.   Abstract （2794）            Knowledge map    Save As a powerful and new information dissemination social media, microblog has got increasing attention Finding patterns of information diffusion of microblog, vicious information will be effectively regulated Users of microblogs are divided into three categories: not-forwarding users, forwarding users and  overwhelming users based on the susceptible, infected and removed (SIR) model, which can successfully simulate users’ information forwarding behavior By using Matlab, the microblog information diffusion curves and patterns are found out Based on simulation results, policy recommendations are put forward in the end Reference | Related Articles | Metrics

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Living Lab Innovation Practice Based on Field Theory Perspective LI Qing, CAO Jing Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2014, 16 (1): 79-87.   Abstract （1781）            Knowledge map    Save Innovation is the driving force and productive force of modern information society Living Lab is a new practice system of innovation that appeared in recent years, and it’s also a kind of social organization form with the purpose of innovation The emergence of Living Lab innovation system has changed the nature of innovation and added new ideas and energy to innovation From the perspective of the field theory in Bourdieu’s sociological theory, and combined with the characteristics of Living Lab itself, the Living Lab practice field structure is put forward, and detailed analysis and discussion is made, based on the field theory in view of Living Lab practice field structure, including the main body of innovation and the relationship between them, innovation process, and innovation achievement of each stage The research results have great practical value, which not only offers a new research framework for Living Lab integration of theory and practice, but also provides clearer practical guidance for the future of Living Lab innovation practice Reference | Related Articles | Metrics

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Content Detection Based on Knowledge Relation: Cases of Health Rumors HUANG Miao, HUANG Pei JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM    2020, 22 (1): 1-6.   DOI: 10.19722/j.cnki.1008-7729.2019.0369 Abstract （8378）            Knowledge map    Save Ubiquitous informatization in the society enables the Internet to be the most efficient access for acquiring knowledge However, with the decrease of barriers for releasing and distributing information, frequent occurrence of rumors has become a social problem Moreover, health topics are closely related to individuals lives, so they are the worst-hit area of rumors Based on content analysis of rumors in WeChat and Toutiaocom, the research question of how to detect rumors through the characteristics of knowledge relation is proposed In order to explore and present the knowledge relation, a social networking analysis tool was adopted to visualize the cluster of high frequency words of weight-loss rumors that were refined from the rumor base at Bytedance With the analysis through visualization, it is found that the co-occurrence relation is better than the similarity relation at discovering common phrases and popular topics of knowledge-based rumors Lastly, in a normative perspective, a mechanism for detecting newborn rumors is constructed, which should integrate technologies of knowledge graph and labeling Reference | Related Articles | Metrics

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Calm Thinking behind Explosion of “Internet-famous Tourist Destinations” PANG Lin-yuan JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM    2020, 22 (1): 7-13.   DOI: 10.19722/j.cnki.1008-7729.2019.0375 Abstract （4576）            Knowledge map    Save Nowadays, with the profound impact of Internet on peoples life, Internet-famous tourist destination is no longer a new word In recent years, some scenic spots or tourist destinations relying on short videos or other social platforms have gained huge traffic on the Internet The continuous popularity of scenic spots has brought huge economic benefits to the local area, but the problems exposed by the popularity of Internet-famous tourist destinations have also brought new challenges to social governance From the perspectives of Internet-famous setting creation, fission communication, the role of network opinion leader, and based on the analysis of the formation mechanism and communication path of Internet-famous tourist destinations, some reasonable measures are put forward to regulate and guide the development of Internet-famous tourist destinations Reference | Related Articles | Metrics

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Historical Factors of Formation and Development of #br# the Community for the Chinese Nation WANG Huan, YU Lianrui, MENG Jingjing Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2021, 23 (6): 55-58.   DOI: 10.19722/j.cnki.1008-7729.2021.TY019 Abstract （7581）      PDF（pc） （783KB）（3670）       Knowledge map    Save Consolidating the sense of the Community for the Chinese Nation is the main line of the work on ethnic affairs in the new era. Many historical factors contributed to the formation of the sense of the Community for the Chinese Nation. The Han nationality as the main ethnic group in China played a leading role in the formation and development of the Community for the Chinese Nation. A strong central government provided political guarantees. The political idea of “unification of tianxia” was the cultural motivation. Resettlement and development comprised an important economic and social factor that laid the foundation for the formation and development of the Community for the Chinese Nation. Summarizing its historical factors is conducive to in-depth study and comprehension of General Secretary Xi Jinpings statements on consolidating the sense of the Community for the Chinese Nation, thereby improving the conscientiousness of Party members and officials as well as the masses of all ethnic groups to consolidate the sense of the Community for the Chinese Nation. Reference | Related Articles | Metrics

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Evaluation on Input Efficiency of Cross-border E-commerce Production Factor ZHANG Xia-heng1,2 JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM    2020, 22 (1): 30-35.   DOI: 10.19722/j.cnki.1008-7729.2019.0341 Abstract （90）            Knowledge map    Save The development of cross-border e-commerce has gradually matured, and what is the input efficiency of its production factors? On the basis of the research hypothesis, the evaluation index system and the multiple linear regression model are constructed, and the empirical analysis is carried out Empirical analysis shows that the number of e-commerce enterprises and express revenue is significantly positively correlated with cross-border e-commerce, while labor input is significantly negatively correlated The asset investment, Internet penetration and the number of Internet users are not significantly correlated with cross-border e-commerce It can be seen that in the current cross-border e-commerce activities, there is a “crowded” state of production factors, and the excessive input of production factors makes the production efficiency not reach the best state, especially shown in the elements of capital input and labor input The number of enterprises is positively correlated with the growth of the cross-border e-commerce industry, while the basic elements of the Internet have little to do with the growth of the industry Therefore, we should cultivate high-quality cross-border e-commerce professionals, optimize the capital structure, improve the growth environment of the enterprises, and promote the development of the cross-border e-commerce industry Reference | Related Articles | Metrics

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Dynamic Adjustment Mechanism for Spectrum Resource Allocation in China DU Zhen-hua, ZHOU Shu JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM    2020, 22 (1): 14-19.   DOI: 10.19722/j.cnki.1008-7729.2019.0360 Abstract （127）            Knowledge map    Save Starting from the characteristics of spectrum resources, it is pointed out that the seriously scarce spectrum resources are one of the main bottlenecks of 5G development and application To solve this problem, the existing allocation of spectrum resources must be improved The original allocation system of spectrum resources in China has resulted in the coexistence of shortage and excess Only by establishing the dual dynamic adjustment mechanism of government and market, can the allocation process of spectrum resources be optimized through Pareto improvement Reference | Related Articles | Metrics

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Incentive Mechanism Design for B2B Platform under Dual Reputation YANG Qi-feng, GAO Ya-ting, SONG Ping JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM    2020, 22 (1): 20-29.   DOI: 10.19722/j.cnki.1008-7729.2019.0197 Abstract （91）            Knowledge map    Save The market reputation cannot achieve long-term incentives for the B2B platform In order to suppress the long-term moral hazard of the B2B platform, a two-stage principal-agent model that introduces market reputation and internal reputation is constructed. The inverse induction method is used to solve the incentive effect of the dual reputation under the two-phase cooperation, and the impact of internal reputation on the incentive contract is also compared and analyzed It is found that market reputation can only suppress the short-term moral hazard of B2B platform, while internal reputation can inhibit the short-term and long-term moral hazard of B2B platform, but its short-term incentive effect is worse than that of market reputation; the incentive mechanism under dual reputation can solve the problem that market reputation cannot realize the long-term incentives and can make up for the shortcomings of short-term incentives for internal reputation Therefore, the incentive mechanism based on dual reputation is more reasonable and effective for banks Reference | Related Articles | Metrics

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Dilemma Analysis of Copyright Protection of Mobile Games GUO Ren-gui JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM    2017, 19 (1): 21-28.   Abstract （161）            Knowledge map    Save With the rapid growth of the number of smart phone users in recent years, the mobile phone game on the mobile phone platform has also got a good development opportunity Although the development speed of mobile gaming industry is amazing, the growth is extensive and brutal, followed by a serious homogenization and the proliferation of piracy, and as a result, the copyright protection of mobile games has been essential There is no consensus on the classification of the mobile game copyright and the content of the mobile game copyright, so the copyright protection of the mobile game is in a dilemma It is difficult to match the eight types of legal works stipulated in the Copyright Law although it covers the key components included in works Therefore, it is a good policy to take mobile games as independent copyright objects to protect, and the protection mode can refer to the film works According to different contents, copyright protection of mobile game content can be seen as different types of works, in accordance with the provisions of the law to give the corresponding rights Reference | Related Articles | Metrics

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Literature Classification and Review of Supply Chain Finance from Perspective of Financing Services LIU Shiqiang, WANG Yana, FENG Ling Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2022, 24 (1): 59-74.   DOI: 10.19722/j.cnki.1008-7729.2021.0194 Abstract （1881）      PDF（pc） （1032KB）（3198）       Knowledge map    Save In order to reveal the current research status and development of SCF-FS (supply chain finance considering financing service), through bibliometric analysis and content analysis methods, over 80 academic papers on SCF-FS mainly published in the last ten years are reviewed. These papers are classified into three categories according to financing service modes, ie, supply chain finance considering external financing, supply chain finance considering internal financing and supply chain finance considering a mixture of financing modes The research characteristics are further elaborated from the aspects of supply chain financing structure, coordination contracts, formulation models and decision variablesBy analysing the literature distribution such as citation numbers and journal rankings, recent papers on SCF-FS are categorised and assessed thoroughly Based on this comprehensive literature review, constructive suggestions on promising SCF-FS research agendas are proposed and discussed Reference | Related Articles | Metrics

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Review of Application of Social Media in Education: from 2007 to 2020 GE Zigang Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2022, 24 (1): 102-112.   DOI: 10.19722/j.cnki.1008-7729.2021.0190 Abstract （1526）      PDF（pc） （4228KB）（3008）       Knowledge map    Save The literature related to the application of social media in education retrieved from CNKI and Web of Science is reviewed By using CiteSpace, authors, institutions, research hotspots and research trends of the literature are analyzed The results show that foreign researchers pay more attention to this kind of research than domestic ones, and the research is also more active abroad There are some overlaps between the foreign and domestic research hotspots, but most of them are different The overlapping hotspot is mainly on the application of social media in information literacy education. Reference | Related Articles | Metrics

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Influence Mechanism of Different Types of E-commerce Streamer Attributes on Consumers’ Purchase: Based on Grounded Theory and Text Analysis WANG Shengyuan, HE Jianglin Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2022, 24 (2): 104-116.   DOI: 10.19722/j.cnki.1008-7729.2021.0254 Abstract （3087）      PDF（pc） （990KB）（2613）       Knowledge map    Save This paper aims to explore the influence mechanism of different types of e-commerce streamers on consumers’ purchase from interview data and bullet-screen comments. Study 1 studied the interview data through grounded theory, and obtained the attributes of e-commerce streamers affecting consumers’ purchase; Study 2 specified the research of different types of e-commerce streamers’ attributes on consumers’ search and purchase of recommended products through Python data mining and econometric model regression. The results of Study 1 show that streamers’ attributes of charm, interaction, recommendation, display, professionalism and trust affect consumers’ purchase intention; E-commerce streamers’ attributes affect consumers’ internal perception and further consumers’ purchase intention. It is found that streamers’ attributes and content consistency positively regulate the impact of e-commerce streamers’ attributes on consumers’ internal perception. The results of Study 2 show that the attributes of expert streamers to enhance consumers’ purchase intention are charm, interaction, recommendation, display, professionalism and trust; The attributes of star streamers to enhance consumers’ purchase intention are charm and interaction; The attributes of official store streamers to enhance consumers’ purchase intention are interaction, display, recommendation and trust. Reference | Related Articles | Metrics

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Impact of Executive Turnover on Risk of Stock Price Crash ZHAO Bao-guo, WANG Kun Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2021, 23 (1): 80-89.   DOI: 10.19722/j.cnki.1008-7729.2020.0255 Abstract （1678）      PDF（pc） （1073KB）（2345）       Knowledge map    Save  Taking Chinas A-share listed companies from 2011 to 2017 as research samples, the relationship between executive turnover and the risk of stock price crash is empirically tested. The results show that without distinguishing the turnover type, the executive turnover will reduce the risk of stock price crash, but after distinguishing the turnover type, the normal executive turnover will reduce the risk of stock price crash while the forced turnover will increase the risk of stock price crash. Furthermore, due to the different ways and purposes of executive appointment in state-owned enterprises and private enterprises, the samples are divided into the state-owned enterprise group and the private enterprise group and tested respectively. It is found that private enterprises are still in line with the above conclusions, while the relationship between forced turnover in state-owned enterprises and the risk of stock price crash is not significant. The meaning of listed companies executive turnover is explained to provide investors a new perspective of analysis. This has practical significance to understanding the meaning of executive turnover and reducing the risk of stock price crash. Reference | Related Articles | Metrics

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Digital Transformation of Commercial Bank and Improvement of Financing Efficiency of SMEs WEI Jianguo, WEI Yingjie, SI Xiaohan Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2022, 24 (1): 1-11.   DOI: 10.19722/j.cnki.1008-7729.2021.0197 Abstract （1948）      PDF（pc） （899KB）（2082）       Knowledge map    Save Firstly, the theories of credit rationing, information economics and transaction cost are applied to study the influence of digital transformation of commercial banks on financing efficiency of SMEs (small and medium-sized enterprises) Then, selecting 357 SMEs listed on NEEQ as the research objects, DEA (data envelopment analysis) method is used to measure financing efficiency of transaction and allocation stages in the financing process, and a coupling synergy model is used to measure comprehensive efficiency of the whole financing process The panel regression model is constructed for empirical analysis The results show that digital transformation of commercial banks has significantly positive effects on SMEs transaction and allocation efficiency, as well as comprehensive efficiency, but the effect has a certain lag The positive influence also presents heterogeneity, which is more obvious in non-state-owned SMEs and manufacturing SMEs Finally, countermeasures are proposed to promote digital transformation of commercial banks and improve the financing efficiency of SMEs, including strengthening top-level design and creating distinctive core competitiveness, optimizing the information environment and releasing digital credit value, adjusting the organizational structure and smoothing the internal linkage mechanism, reshaping customer relationships and realizing digital value output, etc Reference | Related Articles | Metrics

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Empirical Research on Impact of Financial Literacy on Household Risk Assets Allocation#br# DU Wei-an, XIONG Tong Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2021, 23 (2): 36-44.   DOI: 10.19722/j.cnki.1008-7729.2020.0277 Abstract （1223）      PDF（pc） （986KB）（2053）       Knowledge map    Save   Using the data of China Household Financial Survey in 2017, the effect of financial literacy on household risk assets allocation is investigated from two aspects: primary financial literacy and advanced financial literacy. The primary financial literacy and the advanced financial literacy variables are constructed by factor analysis method, and then empirical research is made by constructing Probit and Tobit models. It is found that families with high financial literacy are more likely to participate in the financial market and increase their risky assets holding. After controlling endogeneity, the influence of primary financial literacy on household risk assets allocation is stronger than that of advanced financial literacy. The age of the householder, income level, social insurance and regional economic level can promote household risk assets investment, while householder risk aversion has the opposite effect. This paper believes that improving financial literacy of Chinese residents, especially primary financial literacy, is conducive to promoting the active and healthy development of the financial market and improving the financial well-being of residents. It is an indispensable link in the implementation of inclusive financial services. Reference | Related Articles | Metrics

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Can Green Finance Improve Green Total Factor Productivity？ ZENG Ling-ling, YE Tian-tian Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2021, 23 (1): 69-79.   DOI: 10.19722/j.cnki.1008-7729.2020.0103 Abstract （1783）      PDF（pc） （1119KB）（1935）       Knowledge map    Save The theoretical mechanism of green finance affecting green total factor productivity (TFP) is analyzed, and then based on the panel data of 30 provinces and cities in China from 2005 to 2017, green TFP is estimated by using SBM(Slack-based Measure) directional distance function and Global Malmquist-Luenberger (GML) index, and a green financial index system is constructed and the development level of green finance is estimated by using entropy method. Then, the static IV-GMM regression model and mediation effect model are used to systematically investigate the impact of green finance on green TFP and its mechanism. The results show that Chinas green finance is still at a relatively low level of development while green TFP shows the trend of growth, and both of them show great provincial and regional differences. The regression results show that the development of green finance can significantly promote the growth of green TFP in both coastal and inland areas and the whole country, but it plays a greater role in promoting coastal areas. The mediation effect test results show that for the whole country, the mediation effect of industrial structure optimization, energy saving and emission reduction and green technology innovation is significant, while only the mediation effect of energy saving and emission reduction and green technology innovation is significant in coastal and inland areas. Reference | Related Articles | Metrics

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From Involution to Sense of Involution: Affective Turn and Theoretical Analysis#br# —Also on Trend and Governance of Network Negative Emotion WANG Bin Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2022, 24 (1): 33-39.   DOI: 10.19722/j.cnki.1008-7729.2021.0200 Abstract （1547）      PDF（pc） （1509KB）（1923）       Knowledge map    Save Since 2020, the word “involution” has changed from a classic academic concept to a popular buzzword, which is used by netizens to express individuals and collectives negative emotions, that is, the sense of involution The sense of involution is compounded by pressure, anxiety, burnout and loss The sense of involution stems from the chaotic development of ICT industry, the complex internal and external environment of todays society and the affective network communication ecology The sense of involution also reflects the internal trend of digital communication of negative emotion, which is mainly manifested in three levels: transience, distortion and decriticism In order to reduce the adverse effects caused by the disorderly spread of negative emotion, emotion governance is needed to promote the modernization of Chinas governance system and capacity. Reference | Related Articles | Metrics

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Literature Review on Curriculum Ideological and Political Education Research Based on Knowledge Map WANG Huan, DONG Ying, ZHANG Jing Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2022, 24 (4): 88-98.   DOI: 10.19722/j.cnki.1008-7729.2022.0042 Abstract （2263）      PDF（pc） （6272KB）（1865）       Knowledge map    Save Curriculum ideological and political education is the core of the modern higher education teaching reform In order to better understand the current situation of curriculum ideological and political education research in China, through collecting the relevant literature data included in CSSCI database and CSSCI source journal database in CNKI from 2000 to 2021, CiteSpace is used to draw the knowledge map to analyze the literature from the perspectives of paper published volume trend, core authors, main research institutions, main cited journals and papers, keywords and mutation words Four research themes are identified: the connotation and characteristics of curriculum ideological and political education, the relationship between curriculum ideological and political education and ideological and political courses, the obstacles to the realization of curriculum ideological and political education and the practice path of curriculum ideological and political education The frontier and trend of curriculum ideological and political education research are sorted out, and it also points out that how to give full play to the dominant position of teachers in curriculum ideological and political education, the specific practice of curriculum ideological and political education in professional courses and the construction of the evaluation system will become the focus of this field. Reference | Related Articles | Metrics

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Algorithmic Discrimination and Its Governance in Era of Artificial Intelligence XIE Yongjiang, YANG Yongxing Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2022, 24 (5): 18-25.   DOI: 10.19722/j.cnki.1008-7729.2022.0055 Abstract （2220）      PDF（pc） （910KB）（1783）       Knowledge map    Save  With the rapid development of big data and artificial intelligence technology, algorithms, as one of the core technologies of artificial intelligence are widely used in human society. While promoting the development of the industrial economy and facilitating human life, it also brings serious problems of algorithmic discrimination. Algorithmic discrimination not only infringes the legitimate rights and interests of specific entities, operators’ competitive interests, and people’s basic human rights at the direct level, but also deepens existing prejudice and aggravates the digital gap, which are not conducive to the long-term development of the artificial intelligence industry and need to be regulated urgently. By tracing the causes of algorithmic discrimination, it can be seen that algorithmic discrimination is the result of algorithm developers’ implicit bias embedded in algorithms, data deviation and algorithm black boxes. Algorithmic discrimination is a legal issue in the technical field. Based on referring to the extraterritorial mode, the regulation of algorithmic discrimination needs to adopt multiple means such as law, technology and social norms to achieve the coordinated effect of algorithmic discrimination governance. Reference | Related Articles | Metrics

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Comparative Analysis of Research on E-learning Continuance #br# Learning Intention at Home and Abroad#br# LIU Yong, YING Hao-dong, ZHANG Ai-yang Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)    2021, 23 (2): 97-106.   DOI: 10.19722/j.cnki.1008-7729.2020.0371 Abstract （1526）      PDF（pc） （3559KB）（1612）       Knowledge map    Save Online learners continuance learning intention will largely affect the effectiveness of E-learning. By selecting the literature related to the topic of E-learning continuance intention as samples from the databases of Web of Science (WoS) and Chinese Social Sciences Citation Index (CSSCI), the number of publications, the distribution of research countries/regions, and the distribution of research institutions and core authors are comparatively analyzed. Then, by keyword analysis, research hot spots are comparatively studied from three perspectives, i.e., educational environment and learning scenarios, research methods and theoretical models, research objects and their influencing factors. And, the evolution path is clarified and frontier analysis is conducted. Moreover, by co-citation analysis, e-learning continuance learning intention is elaborated in detail from two aspects of basic theories and models, and research methods. Based on the above research, three enlightenments are obtained: emphasizing intersection and continuation of research, designing research from a flexible and pioneering perspective and expanding to design-based research. Reference | Related Articles | Metrics