[Purpose/Significance] The move structure of a scientific paper is important for readers to understand the content of the paper and quickly locate specific information in it. [Method/Process] This paper intended to perform an exploration on the automatic recognition of moves in scientific chemical papers. It compared the effect of several move recognition models respectively based on two solution modes, i. e. text classification vs. sequence labeling, and two kinds of techniques, i. e. machine learning vs. deep learning. And based on that, it proposed a hybrid recognition model that integrates a deep learning pretrained model BERT with a traditional machine learning algorithm Deep Forest. [Result/Conclusion] The experiment results showed that:①the effect of the text classification mode was better than that of the sequence labeling mode, ②the traditional machine learning techniques and deep learning techniques had similar effect with their respective advantages in move recognition, and ③the hybrid model obtained the best recognition effect with the macro-average F1-value of 73% in the seven move categories of the whole papers.

[Purpose/Significance] The blockchain technology is an important breakthrough in independent innovation of core technologies at China. The consortium blockchain is a type of relatively controllable blockchain, which can enable the construction of real economy and bring great opportunities for technical developers. However, the blockchain industry and technology are immature, while enterprises of real economy as the technology user are lack of blockchain innovation capability. It is imperative to investigate organizational models and paths for consortium blockchain research and development to incorporate the blockchain technology into real economy. [Method/Process] This study analyzed the ecosystems and processes of consortium blockchain innovation, and discussed models and paths for open innovation;how the core designers and operators of consortium blockchain can acquire external knowledge from inbound open innovation to improve product innovation;how to utilize external resources in outbound open innovation to improve business innovation;how to innovate the internal management to achieve competitive advantages. [Result/Conclusion] This paper constructed and improved the theoretical systems of open innovation for blockchain technology, shed lights on the organization models and paths for enterprises in real economy to study blockchain, and provided foundations for governments and enterprise consortiums to develop policies and systems for blockchain industry.

[Purpose/Significance] Explore the deconstruction and organization optimization of health domain knowledge driven by demand, and provide a reference for the optimization of health domain knowledge organization. [Methods/Process]2553 question and answer text data with the diabetes topic of 39 Health Net as the data source, the health domain knowledge was discomposed into different knowledge units based on the principle of granularity, the frequency of the knowledge units and the explicit and implicit relationships between the knowledge units was found, and the knowledge Links to the units were drawn, suggesting on the optimization of the organization of knowledge in the health field. [Results/Conclusions]The health literacy of users was generally not high;the deconstruction of knowledge needs in the health field should be oriented to generate knowledge units based on user needs;the knowledge needs and links in the health field showed that the knowledge units in the disease were closely linked, whereas the knowledge units outside the disease in a trend of "sparse links";the existing knowledge organization in the health field did not meet the needs of users, etc.

[Purpose/Significance] This paper analyzes the variables that affect the social media information review and forwarding and their path of action, and constructs a theoretical model of the influence mechanism of social media information re-dissemination. [Method/Progress]Firstly, forwarding and comment behavior were selected as the main way of social media information re-dissemination;Secondly, influencing factors of information re-dissemination were considered from three aspects of information source, content and involvement;Thirdly, through the questionnaire survey of major domestic social media users, and from the perspective of communication and social psychology, the influencing factor model of social media information re-dissemination was built, and the involvement degree was discussed;Finally, structural equation model was constructed to verify the model. [Result/Conclusion] The research findings showed that, in addition to the popularity of content sources amount of information on forwarding behavior was not significant, The popularity and trust of social media content sources, the amount of information, the immersion and interest, and the involvement of users played an important role in the user's re-dissemination behavior. At the same time, the influence of source popularity on forwarding was negatively regulated by the involvement.

[Purpose/Significance] Explore the influencing factors of the usefulness of health short video information, so as to provide new ideas and theoretical guidance for the operation platform, creators and users of health short video in improving the usefulness of health short video information. [Method/Process] Based on ELM and UGT, the influencing factors model of perceived usefulness of health short video information was established. The model was tested by path analysis method, and the differences among groups with different e-health information literacy and health information demand were further explored. [Result/Conclusion] The results showed that:Information quality and source credibility had a significant positive impact on the satisfaction of users' needs, while the satisfaction of users' information seeking needs and social needs had a positive impact on the perceived usefulness of health short video messages. The groups with high e-health information literacy and high health information demand tended to evaluate the perceived usefulness of health short video information from the central path, while the group with low e-health information literacy and low health information demand tended to evaluate the perceived usefulness of health short video information from the peripheral path. In addition, e-health information literacy and health information demand had a significant moderating effect on the partial impact path of demand satisfaction on perceived usefulness.

[Purpose/Significance] Due to the continuous development of Web 2.0, social search has become a popular approach of information obtaining. Social search process focuses more on users' ability of information interaction. This paper aims to establish an evaluation tool to measure users' information literacy in order to better understand the process and results of their information searching behavior. [Method/Process] Based on existing research results, an information literacy evaluation aiming at social search context measurement was built via scholar interview, EFA and CFA. [Result/Conclusion] The final measurement combined twenty-four items dividing into seven dimensions including information awareness, information demand, information search, information evaluation, information communication, information process and information morality. It could be used as a practical tool to measure and quantify information literacy under social search context and also enriches research on information literacy.

[Purpose/Significance] This paper studies the influencing factors of College Students' information search behavior in risk unexpected situation and compares the relationship between the influencing factors and systematic information processing mode and heuristic information processing mode. [Method/Process] The interview samples of 36 college students were collected through semi-structured interview. The relevant interview samples were coded and analyzed by Nvivo12 software, and the correlation analysis was carried out based on the coding points. [Result/Conclusion] The results showed that negative emotions, information sufficiency, information subjective norms, information attention, and information access channels had an impact on the information search behavior of the respondents in risk unexpected situation. In addition, according to the correlation comparison between the influencing factors of information search behavior and information processing mode, it found that the systematic information processing mode was closely related to strong negative emotions, weak information sufficiency and diversity of information access channels. This paper put forward some suggestions from the perspective of universities and libraries to provide reference for the optimization and guidance of College Students' information search behavior in risk unexpected situation.

[Purpose/Significance] This paper aims to explain the influencing factors of jobhunter's information seeking behaviors under different contexts with an emphasis on how those factors work through combination. The conclusion can guide understanding jobhunter's information seeking behaviors, improving and expanding the job search information services, achieving high quality employment. [Method/Process] Factor analysis was used to construct the scale of influencing factors of jobhunter's information search behavior, fuzzy set qualitative comparative analysis was used to explore the configurations of these influencing factors of information seeking in three job search situations:the preparatory period, the action period and the post-frustration period. [Results/Conclusions]The results showed that jobhunter would be affected by three aspects of information, platform and self-identity. These influencing factors showed different combined effects in different contexts of job search information seeking behavior.

[Purpose/Significance] It is conducive to the government's adjustment of subsequent policy texts and the promotion of the construction of the information service system to analyze the information policy texts that have been issued in China, which is also of great significance to the sustained and sound development of the information service industry. [Methods/Process]On the basis of 46 representative policy texts we selected from 2009 to 2020, content analysis method and NVivo12 qualitative analysis software were used to quantitatively analyze the policy texts from the perspective of the types of policy tools and the social role of information service policies. [Results/Conclusions]Existing problems:Overuse of environmental policy tools, unbalanced internal tool structure configuration;lack of supply-based policy tools, unbalanced use of internal tools;insufficient use of demand-based policy tools, lack of internal tools;various types of unevenly distributed policies tools in the role of information services in society. Optimization suggestions:the collocation of various types of policy tools should be optimized and adjusted, the rational allocation of policy tools should be adressed in the social function elements of information service policies, and cooperation and communication between government functional departments should be strengthened.

[Purpose/Significance] The construction of new liberal arts is a new requirement for the development of higher education that be put forward in the past two years in China. It is a new topic for university libraries that how to meet the new need of constructing new liberal arts in universities through service innovation. [Method/Process] This paper proposed a concept of think tank service, and established a think tank service model for the construction of new liberal arts. This model took academic achievements as the basic data, supplemented by the information of subject evaluation, degree award and subject construction related policies. It analyzed the overall situation and emphasis of discipline construction, and interdisciplinary from two dimensions of times and discipline attributes. Thus countermeasures and suggestions of the construction of new liberal arts were proposed to provide decision-making references for the construction of new liberal arts in universities. At the same time, a practical exploration with one university in Chinese first-class university construction plan was taken as an example to verify its feasibility and rationality. [Result/Conclusion] Through the exploration of think tank service and practice for the construction of new liberal arts, we found that this new service provided by library has high practical value, which can assist universities to make decisions on the construction of new liberal arts, and also can provide reference for libraries and information institutes to carry out similar services.

[Purpose/Significance] This paper explores the application of quantitative research, qualitative research and computational sociology in the evaluation of societal impact, and provides a paradigm and method foundation for formulating a reasonable and comprehensive scheme of societal impact evaluation on scientific research achievements. [Method/Process] Collecting the literature on societal impact evaluation from Google Scholar, Elsevier, Emerald, CNKI and Wanfang database, this paper conducted a comprehensive analysis and discussion on societal impact's evaluation methods, paradigm principles and evaluation schemes of scientific research achievements, based on literature research and comparative analysis. [Result/Conclusion] At present, the common methods of societal impact evaluation on scientific research achievements included index system construction, bibliometrics, case study and social network analysis. With the rapid development of information technology, more attention should be paid to societal impact and humanistic care in the evaluation of scientific research achievements, to integrate multi-source data that can be used for evaluation and the application of qualitative research in evaluation should be strenthened. In terms of program formulation and technical implementation, the focas should be on ①constructing the multifaceted evaluation system;②building database of societal impact analysis;③using text mining technology to explore the extensive societal impact of scientific research achievements.

[Purpose/Significance] Scientific research cooperation is an important way to conduct scientific research and one of the means of knowledge production. The quantitative analysis of the co-authorship is helpful to understand the cooperation rules, discipline differences and trends of co-authorship in the social sciences and humanities. [Method/Process] The paper analyzed the situation of all disciplines as a whole, disciplines and trends by using three indicators(co-authorship rate, average numbers of authors and co-authorships mode) based on the papers published in the period 2016-2020 funded by social science fund. [Result/Conclusion] The results showed that:share of co-authored;more than half of the papers were co-authored, but mostly written by two authors;a rise in the average number of authors. However, the results also showed that there were great disciplinary differences in terms of the rises in co-authorship. The co-authorship rates were high in most social sciences and tend to increase, while the co-authorship rates were low and the trend of change was not obvious in humanities, such as Literature, history, philosophy and religion. Most disciplines in social sciences had experienced the greatest increase in co-authorship. The characteristics of disciplines were still the main factor affecting scientific research cooperation, and the requirements of journal also affected scientific research cooperation.

[Purpose/Significance] Aiming at the differences in collaborators' scientific research level and contribution, multi-aggregated measurement indicators of scientific research output considering the differences are constructed. [Method/Process] Thirty Materials Science and Engineering "Double First-class" Construction universities were chosen to establish the scientific research collaboration network. From the perspectives of scientometrics, complex network and differences, scientific research cooperation ability indicators with high positive correlation to scientific research output were selected to construct the multi-aggregated measurement indicators of scientific research output. And the validity of the multi-aggregated measurement indicators was examined. [Result/Conclusion] The results showed that not all scientific research cooperation ability indicators were positively correlated with scientific research output. There was a significant positive correlation between scientific research output and scientific research cooperation ability indicators proposed from the perspective of difference. The multi-aggregated measurement indicators can better describe the scientific research output. This article can enrich the study of scientific research cooperation network, provide useful theoretical support and practical guidance for the selection of collaborators and the improvement of scientific research output.

[Purpose/Significance] This study makes a quantitative and comparative analysis of the international cooperation in the field of Library and Information Science(LIS) from the perspective of China's First-class universities, which can provide references for the development of international cooperation in the LIS field in China. [Method/Process] Published in the LIS field by China's First-Class universities, the research papers from 2004 to 2018 were studied. The multi-faceted bibliometric and comparative analysis on cooperation characteristics and performance were carried out. [Result/Conclusion] The study found that the international cooperation of First-Class universities in different regions was unbalanced in aspects of cooperation tendency, cooperation characteristics and cooperation effect. Secondly, the scale of international scientific research cooperation of First-Class universities has increased significantly. Developed countries close to China, European and American countries with high level education were the most favored partners of First-Class universities in the past decade. Although the leadership of Chinese scholars was gradually increasing, their research capability and research influence still need to be improved.

[Purpose/Significance] The development of artificial intelligence benefits from policy regulation. Therefore, the formulation and implementation of artificial intelligence policies has received extensive attention from all walks of life. Accurately grasping the hotspots and evolution paths of policy topics can provide important references for policy formulation and optimization, industrial layout and development. [Method/Process] The article used topic clustering and topic similarity calculation methods to analyze the topic hotspots and evolution of my country's 138 artificial intelligence policies. [Result/Conclusion] Research showed:In the future, my country's artificial intelligence policy will not only continue to focus on topics such as intelligent manufacturing, intelligent technology innovation, and intelligent services, but also focus on areas such as the development of intelligent technology standards and the construction of artificial intelligence innovation pilot zones. Through the hotspots and evolution of artificial intelligence policy topics Analysis, in order to better grasp the development context of my country's artificial intelligence policy, and provide strong support for the orderly development of the artificial intelligence industry.

[Purpose/Significance] Research on the patent theme of the new coronavirus pneumonia epidemic, aiming to provide technical support of patent intelligence for the prevention, control, treatment and other work of the new coronavirus, and also provide technology references and references for the country's decision-making in major outbreaks. [Method/Process] The article adopted the content analysis method, used patent document of new coronavirus pneumonia epidemic as the data source, constructed a coding table, encoded and analyzed the time series evolution of patent theme such as epidemic prevention and virus elimination to clarify the development trend of the new coronavirus pneumonia epidemic patent theme. After the coding had been completed, this research carried out Co-occurrence analysis on the key words of patent theme identify topic hotspots, such as epidemic prevention, virus elimination, and big data epidemic prevention. [Result/Conclusion] Finally, it discussed and analyzed the role of the patent theme of the new coronavirus pneumonia epidemic in the epidemic prevention and control technology, and provided relevant innovative suggestions for the innovative enterprise from the horizontal time and vertical space.

[Purpose/Significance] Analyze think tank evaluation from the perspective of knowledge map, and display the knowledge structure, knowledge characteristics and development context of think tank evaluation research in a panoramic way, so as to provide theoretical and practical reference for think tank evaluation. [Method/Process] Through the research methods of information measurement and scientific knowledge map, an analysis of annual publication volume, keyword co-occurrence map and keyword time zone map analysis of the research literature in the field of think tank evaluation in China were carried out. [Result/Conclusion] It is concluded that the popularity of think tank evaluation research in China has continued to increase, forming a hot topic for research on the basic theory of think tank evaluation and related issues such as think tank construction, university think tanks, and new-type think tanks;from the perspective of research time zones and emergent words, the evaluation system, the influence of think tanks, and the Belt and Road Initiative are the areas that researchers will focus on in the coming years.