We are delighted to present the Proceedings of the 4th International Conference on Innovation in Education, Science and Culture (ICIESC) that organized by Research and Community Service Centre of Universitas Negeri Medan (LPPM UNIMED). Proceedings of the 4th ICIESC contains several papers that have presented at the seminar with theme Education and Science in time of uncertainty: Recovering for the Future. This conference was held on 11 October 2022 virtually and become a routine agenda annually. The 4th ICIESC was realized this year with various presenters, lecturers, researchers and students from universities both in and out of Indonesia. The 4th International Conference on Innovation in Education, Science and Culture (ICIESC) 2022 shows up as a Mathematics and Natural Science, Material Science, Physics Education, Biology Education, Chemistry Education, Vocational Education, Applied Sciences-Computers, Multimedia Technology, Applied Mathematics, E-learning system, Applied Sciences-Information Technology, Applied Sciences-Engineering, Social Science and Humanities, Management Innovation and Heritage Culture research platform to gather presentations and discussions of recent achievements by leading researchers in academic research. With the number participants 260 participants, who came from the various national and international universities member, research institute, and academician. There are 181 papers passed through rigorous reviews process and accepted by the committee. All of papers reflect the conference scopes and become the latest trend. It has been our privilege to convene this conference. Our sincere thanks, to the conference organizing committee; to the Program Chairs for their wise advice and brilliant suggestion on organizing the technical program and to the Program Committee for their through and timely reviewing of the papers. Recognition should go to the Local Organizing Committee members who have all worked extremely hard for the details of important aspects of the conference programs and social activities. We welcome you to read this proceeding and hope the reader can find according to your interests and scientific field.

This book constitutes the refereed proceedings of the 4th International Conference on Digital Economy, ICDEc 2019, held in Beirut, Lebanon, in April 2019. The conference was founded in 2016 to discuss innovative research and projects related to the support role of Information System Technologies in the digital transformation process, business innovation and e-commerce. The 31 papers presented in this volume were carefully reviewed and selected from 89 submissions. The theme of ICDEc 2019 was “Digital Economy: Emerging Technologies and Business Innovation”. The papers were organized in topical sections named: digital transformation; e-finance; social media communication; intelligent systems; e-commerce and business analytics; e-learning and cloud education; e-commerce and digital economy; data science; digital marketing; and digital business model.

The present Conference is the 4th of similar conferences with the same subject, which are organised of the Department of Business Administration. The Technological Educational Institution of Athens, is a Tertiary Educational Institution of Excellence with an impressive record in teaching and research and is sponsoring the present Conference. The purpose of our Conference is to present and publish the research output of, not only TEI of Athens, but all the Universities and Technological Institutions of Greece and the different Nations of the World. Another important purpose is to facilitate the interaction between two worlds: the world of Business and the world of Academic Community. The organizers of this Conference have the ambition to establish a forum for discussions on the theory and applications of the Quantitative and Qualitative Methods in the different business sectors such as Small to Medium Enterprises or large Companies in Industry, Commerce, Tourism, Health, Public Sector, Shipping Industry and financial services. The Conference has a Scientific Committee and all the papers have been examined by two anonymous referees. Selected papers will be published in internationally recognized journals. The Proceedings of the Conference have ISBN, ISSN numbers and they will appear, after the Conference in Google.

This is an open access book.With the successful experience of the past 3 years, we believe that the 2023 4th International Conference on Education, Knowledge and Information Management (ICEKIM 2023) will be an even greater success in 2023, and welcome all scholars and experts to submit their papers for the conference!The 2023 4th International Conference on Education, Knowledge and Information Management (ICEKIM 2023) will be held on January 13-15, 2023 in Zhengzhou, China. In the era of information explosion, there is no doubt that education is an important way of knowledge production, dissemination and diffusion. Education plays an important role in promoting human development and promoting the development of society and human knowledge. ICEKIM 2023 is to bring together innovative academics and industrial experts in the field of Education, Knowledge and Information Management to a common forum. The primary goal of the conference is to promote research and developmental activities in Education, Knowledge and Information Management and another goal is to promote scientific information interchange between researchers, developers, engineers, students, and practitioners working all around the world. The conference will be held every year to make it an ideal platform for people to share views and experiences in international conference on Education, Knowledge and Information Management and related areas.