Subjects: Library Science，Information Science >> Library Science submitted time 2023-10-08 Cooperative journals: 《知识管理论坛》
Abstract： [Purpose/significance] Building the open innovation intellectual resource ecosystem is the essential support for optimizing human resource and intellectual resource, and offering references for industrial think tanks. [Method/process] By the case study, this paper analyzed the design and process for the intellectual resource ecosystem of China tobacco Yunnan industrial company. [Result/conclusion] By building the open innovation intellectual resource ecosystem, it can control and utilize the intellectual resource, which makes knowledge assets of the technical center, realizing the added-value of knowledge assets and inheriting them.
Subjects: Library Science，Information Science >> Library Science submitted time 2023-08-27 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] It is of great significance for the study of social network information ecology and information recommendation to accurately grasp the interest tendency of social network users and classify users into highly aggregated user groups.[Method/process] In this paper, by constructing the user attributes describe hierarchical model based on multi-dimensional, according to the model data requirements fetching user sample data from Sina microblog, quantify the secondorder variable based on the multi-dimensional property of the users' background information, users' blog information and user behavior information to construct user vector expression, comparing the classification results based on single dimension and the multi-dimensional, given different weights to attribute for weighted analysis, when achieve the optimal clustering results, based it do variance analysis to improve the model.[Result/conclusion] User clustering effect based on the multi-dimensional attribute weighting is significantly better than the user clustering effect based on the single-dimensional and under the condition of the multidimensional unweighted, and users microblog content dimension for improving the validity of user clustering effect is the largest.
Subjects: Library Science，Information Science >> Library Science submitted time 2023-07-26 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] This paper creates a social media resource aggregation model based on user portraits, provides a reference for resource aggregation, and enriches and expands its theoretical research system.[Method/process] Based on the in-depth analysis of the connotation and algorithm of user portraits, and mapping relationship between them, the models of user portraits and resource portraits are constructed based on social media. The social media-based user portraits and resource portraits are studied by using the social labeling system method. Based on the domain ontology method, through the deep mining of data and the principle of resource aggregation, a social media internal resource aggregation model and an external resource aggregation model based on resource portraits are constructed.[Result/conclusion] In the era of big data, relevant theories and methods based on user portraits and resource portraits can provide new ideas for resource aggregation of social media.
Subjects: Library Science，Information Science >> Library Science submitted time 2023-07-26 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] With the rapid development of big data and artificial intelligence, the research of user portraits has quietly emerged. Reviewing and combing the research status has important theoretical and practical significance for promoting the long-term development of user portraits. [Method/process] Based on China Knowledge Network (CNKI) database, Emerald and Web of Science English database, the paper used Citespace, Vosviwer and other visualization tools to analyze quantitatively the current user image research in the library and information field, in terms of research institutions, cited journals, research hotspots and the density of hotspots, etc. The paper also used the mind map to elaborate on the research theme, research algorithms and techniques, model construction and the practice and application of user portraits of user portraits in the field of library and information at home and abroad. [Result/conclusion] As an emerging research tool, the research on user portraits in China is still weak, which has a large space for exploration. The future research of user portraits should focus on:broadening the research theme of user portraits, paying attention to the behavior analysis of user portraits and optimizing the research model of user portraits.
Subjects: Library Science，Information Science >> Library Science submitted time 2023-07-26 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] The evaluation of the influence of WeChat official accounts can help enterprises to objectively judge the value of WeChat official accounts, and instruct the media of WeChat to take effective measures to improve their influence. [Method/process] Based on information entropy theory, the theoretical model and mathematical model of WeChat official accounts influence evaluation are constructed, and 4 876 WeChat official accounts are taken as samples to carry out an empirical study. Compared with the Qing Bo index and the new index, finally, it puts forward the countermeasures to enhance the influence of WeChat official accounts. [Result/conclusion] The model is complete and rich in variable evaluation. It can amend the data deviation of the influence of the article fraud, and the effect of evaluation is better, and it can reflect the value of the WeChat official accounts more.
Subjects: Library Science，Information Science >> Library Science submitted time 2023-07-26 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] In order to prevent the outbreak of micro-blog false public opinion to the serious consequences of society, the paper categorized the key nodes in micro-blog, to stop the nodes that maliciously incite the masses' emotions in time, and prevent more micro-blog users from being misled, and guide the micro-blog users by different ways of thinking. So as to better purify the micro-blog public opinion environment. [Method/process] The paper used super network and dynamic network analysis method to identify key nodes. Through analyzing their sentiment tendency, different leading strategies were finally provided. [Result/conclusion] There are five kinds of key nodes in the life cycle of micro-blog public opinion. Ideological guidance can be divided into intelligent guidance and wisdom guidance.
Subjects: Library Science，Information Science >> Library Science submitted time 2023-07-26 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] Exploring topical communities and sentiment fluctuations of Internet users and grasping the process of development of events have great significance to control the development direction of the events and lead guidance of the network public opinion in the new period. [Method/process] Based on the theory of complex networks, the study constructed sub event network based on co-occurrence relations among user comments, identifying topic community in sub-event commenting networks through community discovery algorithms and giving the attribute to emotion word according to the emotional dictionary. The study dynamically tracked the opinions and emotions of Internet users based on the evolution process of events. [Result/conclusion] The conclusion showed that the commenting network community discovery and coefficient of variation method can effectively measure the scale and concentration of Internet users' topic discussion; emotional word sentiment classification attribute method can reflect the emotional changes of Internet users in the process of event evolution; the derived topic of public opinion has a continuous influence on the development of the event public opinion; the content of the topic discussion of Internet users has some foresight to the evolution of the event.
Subjects: Library Science，Information Science >> Information Science submitted time 2023-04-01 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] This paper constructs an evaluation model of short video transmission effect, and provides a theoretical basis for subsequent empirical evaluation of short video communication effect.[Method/process] This paper analyzed users from a multi-dimensional perspective, took short-video user-generated content as the starting point, extend to user preferences based on comprehensive information emotional theory, and integrated with content features based on super IP theory. It used literature review and Delphi analysis to summarize the factors affecting short-term frequency communication effect, and used fuzzy set theory DEMATEL model to screen the key influencing factors of the secondary indicators, and a communication effect evaluation model and evaluation index system were constructed.[Result/conclusion] Eleven key influencing factors of short video communication effect were determined, of which the official certification was the most critical factor,the short video communication effect evaluation model and evaluation index system thus constructed provided a certain degree of decision support for the research of short video propagation effects.
Subjects: Library Science，Information Science >> Information Science submitted time 2023-04-01 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] This paper combs Mr.Jing Jipeng's academic thought again, outlines the general picture of his academic thought building, and makes future generations fully understand the essence of his information ecology thought.[Method/process] Through the collection and study of Mr. Jing Jipeng's works and relevant high-level academic papers published in the field of information ecology, as well as the interview with Mr. Jing, Mr. Jing's information ecology thought was divided into 4 stages:the accumulation of ecology thought, the initial establishment of information ecology thought, the formation of information ecology theory system and the development of information ecology thought in depth.[Result/conclusion] From two aspects of theory system and education system, this paper summarizes Mr. Jing's contribution to the information ecology thought, and summarizes four main characteristics of his information ecology thought:innovation, foresight, epochal and sustainable development. Mr. Jing's information ecology thought enriches the information science education system and promotes the development of information science education in China.
Subjects: Library Science，Information Science >> Information Science submitted time 2023-04-01 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] Taking online social network as the research object, and through the literature combing to accurately capture the development trend and research hotspots of community discovery, and exploring how to mine hidden communities in large-scale social networks, which has theoretical and practical significance. [Method/process] Using CNKI database, Web of Science core collection and related international conference documents as data sources. The CiteSpace visual analysis tool was used to quantitatively study hotspot keywords, topic evolution paths and co-cited documents. And the topic research content was reviewed from 3 dimensions:community discovery method, algorithm implementation and application practice. [Result/conclusion] There is still much room for development in the current research field. In the future, we should pay attention to optimization and innovation of algorithms, differentiation and expansion of application scenarios, and cross-disciplinary research on interdisciplinary knowledge and cutting-edge technology methods.
Subjects: Library Science，Information Science >> Information Science submitted time 2023-04-01 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] To improve the quality of knowledge aggregation in healthy virtual communities and provide technical method support for virtual healthy community services. [Method/process] The method of spectral clustering was applied to knowledge in the virtual healthy community was extracted, and the semantic similarity matrix of the text was obtained by using the keyword co-occurrence. The spectral clustering was performed according to the text semantic similarity matrix, and the text was aggregated into text clusters. [Result/conclusion] The information published by the doctor’s online health consultation platform was used as a data source for method validation. The results show that when the number of clusters is 5, the proposed method has the highest score. This method of spectral clustering considers the semantic relationship between words, fully exploits the potential information of virtual healthy community, improves the quality of knowledge aggregation, and provides a new way for knowledge aggregation and knowledge service.
Subjects: Library Science，Information Science >> Information Science submitted time 2023-04-01 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] Major emergencies are an important part of the overall national security concept. In order to respond to major emergencies more quickly and efficiently and reduce the threats to national security, social stability, and people's lives and properties, this article proposes to construct major event knowledge graph, it reveals the law and logic of the evolution of major emergencies, and can assist relevant departments in responding to and making decisions on major emergencies.[Method/process] This paper selected media reports, research reports and academic papers of the COVID-19 epidemic that had a wide range of international attention and influence, and used ontology construction and pattern matching methods for event extraction and event relationship extraction, to construct an affair map of major emergencies, and to analyze the affair knowledge and transmission paths of the evolution of the event.[Result/conclusion] The research results show that the affair map of major emergencies can reveal the evolution logic and laws of major emergencies, and then grasp the development context of events from a macro level, and provide scientific and accurate basis for the response and management of major emergencies.
Subjects: Library Science，Information Science >> Information Science submitted time 2023-04-01 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/significance] Combined with the current social background of the aging population, this paper explores the behavior mechanism of online health information search of elderly users in China from the perspective of mobile terminals, to enrich the current research results of information search behavior of elderly users and guide elderly users to effectively search for health information and optimize the work of the health information service department. [Method/process] This paper used the semi-structured interview method to collect online health information search experiences of 24 elderly users, utilized grounded theory to extract five influencing factors of online health information search behavior of elderly users. And it constructed a theoretical model of factors affecting online health information search behavior of elderly users.[Result/conclusion] Finally, it’s found that network environment factors, individual characteristic factors, social support factors, mobile terminal objective factors, and individual cognitive factors are the key factors that affect the online health information search behavior of elderly users, and the influencing mechanism among these factors is explained in depth. This paper also puts forward some feasible suggestions to the government, medical institutions, APP software and other health information providers based on the theoretical model.
Subjects: Library Science，Information Science >> Information Science submitted time 2023-04-01 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/Significance] In order to respond to major emergencies more quickly and efficiently, this paper conducts a study on the dynamic evolution process of major emergencies, with a view to assisting relevant departments in responding to and making decisions on major emergencies.[Method/Process] Based on the theory and method of event knowledge graph, this paper obtained the abstract event knowledge graph of major emergencies through the steps of event knowledge graph construction, event generalization, etc, and further analyzed it to summarize the motivation of event evolution, combined with the system dynamics model, the dynamic simulation model of the event evolution was carried out.[Result/Conclusion] The research results show that highly generalized knowledge can reveal the causes and influencing factors of event evolution; With the combination of major emergencies event knowledge graph and system dynamics method, the process of simulating the evolution of events is achieved from the perspective of knowledge.
Subjects: Library Science，Information Science >> Information Science submitted time 2023-04-01 Cooperative journals: 《图书情报工作》
Abstract： [Purpose/Significance] This paper introduces the elements of crisis management to study the theme evolution law of network public opinion of emergencies, so as to provide new ideas for accurate network public opinion disposal and dynamic decision-making of emergencies. [Method/Process] Taking the factual text data of specific emergencies as the source, using the implicit Dirichlet distribution theme model to build a dynamic theme evolution model, this study mined the stage division and topics in social media emergencies, and summarized the constituent elements of public opinion crisis. [Result/Conclusion] Based on PPRR and 4R crisis management theory, the development of public opinion is divided into just-unfolding stage, outbreak stage, fluctuation stage and quiet stage, and the work tasks are divided into four categories of readiness, responsiveness, reduction and resilience. Finally, the governance model of network public opinion is proposed.
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