From the perspective of the commercial operation of network media,using evolutionary game theory to explore the mode of network governance,taking into account the influence of decision-maker's imperfect rationality on risk appetite,the theory of prospect was introduced into evolutionary game model between government and network media.Using the Jacobi matrix to analyze the stability of the equilibrium point,reaching the constraints conditions of government and network media actively participate in the network public opinion governance,the paper built a model of cooperation between government and media to analyze the possibility of cooperation between the government and network media to prevent and control network public opinion crisis.The results showed that the political media cooperation system could encourage the network media to play its main role in guiding the public opinion under certain conditions,and in the case of the failure of political media cooperation,the government should intensify supervision,and enhance the penalties for irresponsible dissemination of network media.

[Purpose/Significance] This paper constructed the evolution model of online brand community information ecosystem(OBCIE),analyzed the elements and internal feedback mechanism of OBCIE,revealed the general law of the evolution of OBCIE.It could provide theoretical basis in order to assist the enterprises to create,develop and maintain the online brand community,and then improve the corporate brand and market strategy.[Method/Process] From the perspective of information ecology,the concept and elements of OBCIE were discussed.The evolution model of OBCIE could be established by using the system dynamics method.The evolution mechanism of the system was analyzed by simulation method.[Result/Conclusion] From the results point of view,the change tendency of each level variable in the evolution process of the model was better fitting the conclusions and theoretical points of the previous researches,which proved the rationality and applicability of the model construction.

In the context of innovation-driven development,the demond and content of industrial competitive intelligence also changed.First of all,according to the theory of Porter's economic development stage and the country's current policy,it summarized the industrial characteristics and information demand under the background of innovation-driven development.Then,the theory of innovation chain was introduced,and the strategy service of industrial competitive intelligence based on industrial innovation chain was constructed.Finally,this study took the domestic genetic engineering vaccine industry as an example,and applied the service strategy to verify the feasibility and effectiveness.The results of applied research showed that the service strategy of industrial competitive intelligence based on industrial innovation chain could meet the demand of industrial competitive intelligence in the context of innovation-driven development.

Emergent information sources present user requirements orientation,system complexity and importance.From the engineering thought and methodology of WSR system,the paper analysed emergency information source credibility research paradigm and system construction process,put forward the engineering thinking of emergency information source WSR to build three-dimensional structure reliability research system,summed up the emergency information source credibility research system from the aspects of theory course,scientific knowledge,method and application.In order to improve the credibility quality of emergency information sources,improved emergency management capabilities,reduced emergency injuries and losses,and provided theoretical support for follow-up research.

Network public opinion of information ecological chain is mainly research network public opinion of information and external environment on the role and reaction of the main body of network public opinion,as well as the network public opinion of information ecological chain of information flow and energy interaction laws,etc.Based on the explanation of network public opinion of information ecological chain's connotation,through the analysis of the characteristics,function and influence factors,it put forward the network public opinion of information ecological chain optimization strategy,and further enriched the network public opinion of information ecological chain theory,in order to construct network public opinion ecosystem to provide academic reference.

This article constructed a SIRT model by adding the true information disseminator,which was based on the traditional SIR model,and used Matlab to simulate the new model.The model considered the influence of internet users' ability to identify information,perception of risk,transparency of information released by media,media's credibility,memory effect and so on,and the impact of these factors on the process of the dissemination of rumors.Analyzing the principles of the dissemination of rumors quantitatively from three aspects of internet users,information and external force,the simulation results of the rumor model showed that,the factors of internet users' ability to identify information perception of risk,transparency of information released by media,media's credibility,memory effect would influence the process of the dissemination of rumors,and put forward some corresponding suggestions on how to deal with rumors.

On the basis of relevant research,combined with the characteristics of information needs of old age and the regular pattern of Web site information service,this paper set the elderly information service website as the research object,constructed the evaluation index system of the information service quality of the elderly website by using Delphi and AHP method.This paper evaluated service quality of six typical website,combined with a comprehensive analysis of the evaluation,and then put forward suggestion and recommendations to improve the information services quality of the elderly website.

Deep mining of technology meaning hidden under the patent text is helpful to effectively analyze the technology and effect.With the sematic structure tend to be easily understood and represented,SAO triple structure can be used as basic unit for mining analysis.Definition and characteristics of SAO structure was introduced,and contents,specially including ideas,proceeding and method for building patent-technology-effect map,were analyzed.Moreover,the method of clustering technology topic and effect were emphasized,and co-occurrence relationship on the basis of SAO would be used to calculate the occurrence frequencies for technology-effect matrix.Empirical research of graphene sensor field sufficiently validated the effectiveness of our approach.

Image retrieval has provided a technical support for digital library.[Method/process] This paper proposed a digital library image resource retrieval framework and analyzed the implementation process of the system in detail.At the same time,an image retrieval algorithm based on non sampling contourlet transform was proposed,which could discover valuable information from large image database.Firstly,it applied NSCT to decompose images into multi-scale and multi-directional ones,and then calculated mean value and standard deviation of low-frequency and high-frequency subband coefficient matrices as image texture features.[Result/conclusion] Experimental results showed that the image retrieval framework proposed in this paper was feasible and could provide better search service for users.The methods had a higher retrieval performance,precision and accuracy than the similar algorithms.

[Purpose/Significance] The paper presented a new strategy for online tourism platform in information service that finding the labels for core topics in travel notes and using related content of representative travel notes to recommend tourism information.[Method/Process] Using text mining technology,this paper conducted the construction of Latent Dirichlet Allocation model for travel notes data.On the basis of finding the labels for core topics in travel notes,the paper computed travel notes' degree of description and loyalty in accordance with corresponding labels to get representative notes.Then,the selected results were used for information recommendation,which could objectively express and explain the content of text clustering and semantic relation between subject terms.The paper took the travel notes data of "Hangzhou" as an example,which were extracted from Mafengwo,for testifying this approach.[Result/Conclusion] From the experimental results,this method could discover real hot spots and key tourism demands of tourists in the previous tourism experience.Besides,travel notes with high similarity had been distinguished and clustered.It had guiding meaning and practical significance for smaller granular recommendation of tourism information.

[Purpose/significance] The evaluation of the efficiency of knowledge exchange in journals is of great reference value to evaluate the status and function of journals in academic communication.[Method/process] 29 management journals from CSSCI were selected to construct the evaluation index system of knowledge exchange efficiency of academic journals.The information entropy method was used to calculate the weight of knowledge output index of academic journals,and the results were combined into an integrated output index.The paper measured the knowledge exchange efficiency of academic journals by the method of the stochastic frontier analysis.[Results/conclusion] The efficiency of knowledge exchange in journals was an important index to evaluate the influence of journals.The overall efficiency of knowledge exchange between CSSCI management journals was low,and the efficiency gap between journals is large.

[Purpose/significance] In the era of knowledge economy,more and more attention has been paid to the social network,and the role of social network has been in the exploration stage.[Method/process] This paper,based on the definition of social network,the basic definition of knowledge collaboration,used dimension measurement,model construction as the structure,used data to verify the model.And the situational factors were used as the regulatory factors to construct the structural equation model of the three.[Results/conclusion] through empirical analysis,the result showed that the social network had a significant impact on some dimensions of knowledge collaboration and situational factors;user factors for the significant impact of collaborative knowledge,situational factors had partial mediating effect between social network and knowledge collaboration.

On the basis of analyzing the present situation of domestic and foreign research,based on the theories of information science,economics and behavior science,based on the technology acceptance model,this paper introduced the factors such as the availability of mobile devices,the rights of the information service institution,the structure of the user's qualifications,the quality of information,the environment of the information service institution,etc.,analysis of the relationship between variables,and then put forward the hypothesis.Based on the questionnaire investigation,the empirical analysis was carried out by the structural equation model.The results showed that perceived usefulness,perceived ease of use,information quality significantly affect users' attitude,mobile equipment availability and information service institution rights were to varying degrees affected the user's perception of ease of use,user education affected the attitude obviously.The environment of information service institutions was an important factor that affects the users' attitude to use.The model had a good explanation for the influence factors of the academic adoption behavior of mobile users.

According to the complexity and sociality of communication network,this paper established the dynamic model of online rumors spreading,which resulted from the basic theory of cellular automata.In addition,it simulated the communication behavior from three aspects:centrality,tie strength and network structure.The demonstration mainly included:The net citizen's social position in network group played positive role in spreading behavior and its efficiency;Both of tie strength and centrality were related to spreading range positively;Communication range changed over network density.According to the demonstration of simulation,it provided references for relevant departments to prevent online rumors diffusion.

High quality information dissemination plays a key role in the sustainable and healthy development of social Apps,and adaptive information sharing is the effective approach of improving the quality of such social information.The research model of influence factors on WeChat users' adaptive information sharing behavior was developed based on the perspective of cognitive switching and the motivation second-order model.The applicability of the whole model was tested by using the empirical research method.Results indicated that there are significant and positive effects of motivation,others' use and discrepancy on adaptive information sharing behavior.Furthermore,the study also found that the motivation consists of five dimensions:image,social interaction,intrinsic motivation to experience stimulation,self-efficacy and intrinsic motivation to know.

This paper was based on the interviews of the behaviors of Digital Native' adoption of social media,described stage characteristics of Digital Native' adoption of social media through Persona,reflected the characteristics,process,motivation etc of Digital Native' adoption of social media in different stages.Analysis of mechanism and behavior evolution process of influencing factors in the adoption process could help social media operators understand the behavior characteristics,causes and reasons of users' adoption,and had certain practical significance on improving the user experience and promoting the development of social media.

[Purpose] Under the purpose of the collaborative innovation work,the present subject information system is gradually becoming more collaborative,highly integrated of resources and initiative of services.And it's difficulty for libraries to choose,so it is necessary to have a reasonable analysis method to compare and analyze.[Methods] Analyzed the trend of integration of information resources from collaborative work and cloud computing environment service architecture,compared and analyzed the characteristics of the existing platform from the perspective of coordination,initiative,integration,cloud environment and resource acquisition.[Result] It summarized the characteristics and trend of the construction of collaborative innovation subject information resource integrated and service system,to provide the construction framework and reference for the construction of the system in the future.

This paper first summarized the technical and functional features of the library services platforms and introduced the current mainstream library services platforms.Based on the related survey,users' feedbacks and statistical data from Marshall Breeding from 2013 to 2016,it also analyzed and compared the products of Alma and Sierra from nine aspects,including ILS satisfaction,ILS functionality,print functionality,electronic functionality,company satisfaction,support satisfaction,support improvement,company loyalty and open source internet.The paper was expected to provide reference for the evaluation of libraries in China and the choice of LSP products.

Based on the challenges in the management of digital information resource of the library face in the era of knowledge economy,the paper discussed the troubles in the management of digital information resource from two aspects of digital resource construction and digital resource security of library so as to provide the basis for the innovation of digital resources management of the library.This paper put forward the basic path from two aspects of expanding the volume of self-collection digital resources and scientific management of data,and looked to the future development direction of the management of digital information resource of the library.

[Purpose/Significance] This paper studied the relationship between the utilization of university library and the quality of postgraduates' education,and provided a reliable theoretical basis for further improving the quality of postgraduates' education in postgraduates.It aimed to improve the library resources and space facilities,Librarians and service levels to provide a factual basis.[Method/process] Through the combination of literature review,questionnaire survey and quantitative analysis^[1],the reliability index and validity index analysis and fitting degree test were carried out based on the structural equation model.[Results/conclusions] The results showed that there was a significant positive relationship between paper resources,electronic resources,services,space equipment and the operational capacity of librarians based on library utilization and the professional postgraduate education.The study also revealed the relationship between the use of library and the training of postgraduates.The library used the resources and service support for the professional master's education.Conversely,the professional postgraduate education has also promoted library service.

Using the data from 75 Subordinate Universities of Ministry of Education(SUME),this article had an in-depth investigation and analysis on the situations of services for scientific research in university libraries through three aspect,which were subject service,sci-tech novelty retrieval and Patent information service.Based on this,it proposed several advice to improve the university libraries' services for scientific research:University libraries should cooperate with the scientific research management administrations,as well as mobilize various human resources like the subject specialist,in order to carry out better services.Using diversified communication platform and tools to strengthen the real-time communication with the users,it paied attention not only to the arrangement of purchased resources,but also to the construction and accumulation of characteristic resources.Strengthening the information resource sharing on science and technology novelty searching literature among libraries,strive to provide embedded research services for internal and external users.

Optimization of university library reading promotion service tactics can not only improve the utilization ratio of library resources,meet the service requirements of readers,but also enhance the readers' reading experience,improve the readers' reading interest,cultivate the readers' reading habits.By identifying service requirements of readers,the paper determined the different service tactics,building house of quality evaluation model of university library reading promotion service tactics based on QFD.Considering the uncertainty of input information of QFD,the fuzzy set theory was introduced,using triangular fuzzy variables to depict the subjective judgment of readers and experts.On this basis,the importance of service tactics were calculated,through cost-benefit analysis,it could obtain the final sorting results of service tactics importance.This paper gave qualitative and quantitative assessment of service requirements of the readers,realizing accurate mapping between readers' requirements and service tactics,and provided a systematic and effective method for the service tactics assessment based on uncertain information or subjective judgments of experts,then through the example analysis,the feasibility and practicability of the evaluation model was verified.

[Purpose/Significance] As an inevitable and basic ability in the informatization era,information literacy(IL)includes the ability to judge demands,obtain information,evaluate information,and use information.Understanding the status of undergraduates' IL is important to improve their IL ability.[Method/Process] This paper conducted a survey on the undergraduate students' IL of Peking University(PKU)and City University of Hong Kong(CityU)based on previous studies,practical needs,and the existing problems.[Result/Conclusion] Results showed that the undergraduates in both universities had high levels in basic IL,information source and information retrieval,academic norms,as well as information policy and ethics.Moreover,in terms of information source and ethics,those of the undergraduates in CityU were much higher than those in PKU.This paper later provided some solutions based on the results of survey.

In order to understand the progress of knowledge engineering research,published articles on knowledge engineering during 2001-2016,which are recorded in the database of WOS,were chosen to be analyzed in this paper.By applying the method of bibliometric and Visualization,the paper analyzed the research status in this area according to the time,journals,disciplines,the research power,important literatures,research focus and frontiers through CiteSpace.Based on the knowledge map,the research status and development of international knowledge engineering were analyzed and summarized,which in order to provide reference for the researching about the knowledge engineering in our country.

[Purpose/significance] With the rapid development of science and technology,the relationship between knowledge,science and technology are more and more complex.How to use principles,methods and tools of metrology to deal with those complex relationships is particularly important.So it plays an important role to thoroughly learn about the development of metrology in China.[Method/process] The paper used co-citation analysis and co-word analysis to analyze the development and researcher hotspot of metrology in China by visualizing mapping based on literature analysis.[Result/conclusion] The paper found two core fields on the "five metrology" by co-citation analysis;it found the representative figures and their replacement about the evolution of theme by author co-citation analysis;it found the research hotspots of "five metrology" by keywords co-occurrence.

This article used the method of comparative analysis to compare and analyze the current situation of E-commerce among Hubei province and provinces and cities of economically developed areas included the Yangtze river delta region,the pearl river delta region and the areas around Bo Hai.In here,the paper chose the following six dimensions and 15 second class indicators such as the basic situation of economic and social,the basic situation of internet citizens,E-commerce transaction volume,E-commerce demonstration project,express delivery business,provincial E-commerce development index.Also,some suggestions on the development of electronic commerce in Hubei province were put forward.

Through the research on the relevant concepts of academic achievement information ecosystem,clarified the relationship between paper detection and academic achievement information ecosystem health,and provided reference for the study of academic achievement information ecosystem.Based on existing research results,and information ecology theory,the paper analyzed the impact of paper detection on academic achievement information ecosystem health from three aspects of academic achievement information,academic achievement information subject and academic achievement information environment,and put forward the corresponding optimization strategy.

At the background of Beijing-Tianjin-Hebei region's coordinated development,act as the foundation of regional science and technology innovation and strategic resource,the science and technology resource sharing influences the effective utilization of scientific and technological innovation achievements directly.This study aimed at integration and sharing of Beijing-Tianjin-Hebei's science and technology,to explore the new mode of Beijing-Tianjin-Hebei region's science and technology information service under the under the condition of information resource sharing.This study combined the science and technology resource data with GIS,to construct the digital map service platform of science and technology resources in Beijing-Tianjin-Hebei region.The platform integrated various service functions including science and technology resource Inquiry,spatial statistics analysis,cartographic visualization,decision support,and data shared service,providing the Intuitive and comprehensive information service of science and technology resources with the feature of spatial analysis for relevant departments.