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Objective: The purpose of this study is to design a conceptual model for the application of semantic-social technology in digital libraries in Iran. Methodology: This applied research was conducted using Delphi and analytical survey methods. The tool used was a researcher-made questionnaire, which included three parts: the structure of semantic-social technology architecture, semantic-social technology tools, and the function of semantic-social technology. Descriptive statistics, structural equation modeling and partial least squares modeling (PLS-SEM) were used to analyze the statistical data. Findings: In the final research model, most items had a high factor loading and in the main components of the research, including the architecture structure of semantic-social technology, tools of semantic-social technology and the function of semantic-social technology, important items from the perspective of the research community were identified. Accordingly, in the architectural structure of semantic-social technology, the use of RDF schema to describe and describe RDF-based resources, the use of SIOC technology to link blogs, forums and mailing lists had the highest factor loading. Also, in the part of semantic-social technology tools, in the final conceptual model research, video mashups and map mashups had a higher factor loading than others. In the functional part of semantic-social technology, using the URL standard to identify and locate a resource in digital libraries and retrieval function, using RDF tools and using Sub and Super techniques between concepts to retrieve information faster has the highest factor loading. Moreover, in the parts of data and resources and content, the use of RDF tools to exploit multimedia and non-textual resources due to the diversity of available information and in the function of organization and storage, the use of ontology to manage digital resources had higher factor loading. In addition, in the interaction function, the items of communication between the chain of information producers, collectors and users through social semantic web tools had the highest amount of factor loading. Concusion: Considering the results obtained in the proposed model of this research and the items that have gained a high factor loading in the proposed conceptual model, shows that in semanticsocial technology in digital library software, what makes this technology progress and success is the correct creation of digital library software. The basis of digital library standards, attention to the XML markup language, Dublin Core, etc. and its integration with semantic tools such as Web 2.0, hashtags and folksonomy, metadata, etc. in line with social technologies such as social networks, mashups, etc. [ABSTRACT FROM AUTHOR]

Objective: Despite the strong reasons for using knowledge management to improve organizational performance, there are various obstacles to implementing knowledge management in organizations. Therefore, the present study was conducted with the aim of implementing the knowledge management process in the Nomads Affairs Organization of Iran. Methodology: This descriptive-survey study is based on the combined method of TOPSIS and structural equations, and its statistical population includes all employees of the Nomads Affairs Organization of Iran in 1398 (2018). The sample size was 302 people according to Cochran's formula; stratified random sampling method was used in the analysis. To collect data, a 60-item questionnaire was used, which after applying the TOPSIS method, 24 indicators that did not receive the required average to enter the model were removed from the model. The 36-item questionnaire was approved by experts and the validity of the structure was confirmed by confirmatory factor analysis and their reliability was calculated using Cronbach's alpha coefficient. To analyze the data, SmartPLS software was used to model the structural equations. Findings: The research findings showed that organizational culture, organizational structure, motivation, and technical factor have a positive and significant effect on knowledge management. Conclusion: To implement the knowledge management process in the Nomads Affairs Organization of Iran, the factors "organizational culture", "organizational structure", "motivation", and "technical" are effective and in the meantime, the "social factor" should be used as a mediating variable. By increasing the organizational culture among employees, knowledge management can more easily go through the implementation and execution stages. Considering the effect of the variable of organizational structure on knowledge management and also in order to achieve the goals and mission of the organization, it is necessary for senior managers to organize and select the appropriate structure of knowledge management. According to the research results, the motivation variable has a higher score and this means that managers try to create more trust and motivation in employees. The results showed that the IT variable has a direct effect on the implementation of knowledge management. Given the impact of staff on the implementation of knowledge management is necessary; Recruit employees with high knowledge and expertise to add new knowledge to the knowledge within the organization. Considering the effect of social factor as a mediating variable on knowledge management and also in order to achieve the goals and mission of the organization, it is necessary to strengthen social capital and mutual trust among their employees. Organizational investment in the development of social capital, through effective communication training, improving the communication process and interactions between employees and managers inside and outside the organization, creating a culture of cooperation, mutual trust and teamwork, all contribute to the development of social organization. And it will accelerate the movement of the organization towards an innovative and learning organization. [ABSTRACT FROM AUTHOR]