Welcome to the Journal of Grey System, a distinguished publication dedicated to the advanced study of decision sciences, applied mathematics, and statistical theories. Published by Research Information Ltd, this journal has carved out a niche within the academic community, focusing on innovative methodologies and interdisciplinary approaches that foster a deeper understanding of complex systems. Although open access options are not currently available, the journal has been recognized for its scholarly contributions, achieving impressive Scopus rankings—including a notable #47 in Decision Sciences and a 60th percentile rank in Applied Mathematics. With coverage spanning from 2008 to 2019, the Journal of Grey System remains an essential resource for researchers and practitioners aiming to enhance their knowledge in statistics, probability, and system optimization. As a result, it serves not just as a platform for academic discourse but also as a catalyst for future research endeavors in the evolving landscape of mathematical and statistical sciences.

MODELING IDENTIFICATION AND CONTROL is a prominent academic journal dedicated to the fields of Computer Science Applications, Control and Systems Engineering, Modeling and Simulation, and Software. Published by MIC in Norway, this open access journal has been providing valuable insights and innovative research since 1980, promoting the free dissemination of knowledge. With a reputation reflected in its 2023 quartile rankings—Q3 in Computer Science Applications, Q2 in Control and Systems Engineering, and Modeling and Simulation, as well as Q3 in Software—this journal plays a vital role in advancing theoretical and practical solutions within its disciplines. Researchers and professionals benefit from its rigorous peer-review process and impactful publications, fostering collaboration and the exploration of emerging technologies across various applications. The journal's continual commitment to excellence is exemplified by its active presence in Scopus, where it maintains respectable rankings in relevant engineering and computer science subcategories, supporting its goal to be a pivotal resource for scholarly communication and practical advancements.

Modelling and Simulation in Engineering is a pioneering open-access journal, published by HINDAWI LTD, and established in 2007. With a focus on advancing the fields of engineering, computer science applications, and modeling and simulation, this esteemed journal serves as a vital platform for researchers, professionals, and students alike. The journal has made significant strides in its academic contributions, reflected in its current categorization within the Q3 quartile in Computer Science Applications, Engineering (miscellaneous), and Modeling and Simulation as of 2023. With a Scopus ranking of 133 out of 307 in General Engineering and 183 out of 324 in Mathematics' Modeling and Simulation, it emphasizes the crucial interplay between theoretical research and practical applications. Each article published in Modelling and Simulation in Engineering undergoes a rigorous peer-review process, ensuring high-quality research dissemination. By maintaining an open-access format, the journal promotes global collaboration and accessibility, supporting the dissemination and advancement of engineering knowledge worldwide. With its headquarters located in the United States, the journal is truly positioned at the convergence of innovation and research.

The International Journal of Enterprise Information Systems, published by IGI Global, stands as a pivotal resource for professionals, researchers, and students engaged with the evolving landscape of information systems and management. With an ISSN of 1548-1115 and E-ISSN 1548-1123, this peer-reviewed journal has been at the forefront of enterprise information research since its inception in 2005, recently achieving a commendable Q2 ranking in both Information Systems and Management and Management Information Systems categories in 2023. It also maintains a solid position in Computer Science Applications with a Q3 categorization. The journal thrives on its diverse scope, focusing on innovative applications and methodologies within information systems, making it crucial for advancing scholarly discourse. Although it does not offer an open-access model, its impactful research contributions, evidenced by a robust Scopus ranking—holding the 48th position in Decision Sciences and 43rd in Business Management—underscore its relevance and high-quality standards in the field. Published in the United States at IGI Global's Hershey headquarters, the journal aims to bridge theory and practice, fostering a vibrant research community dedicated to solving complex enterprise challenges.

International Journal of Mechanical System Dynamics, published by WILEY, is a premier open-access journal dedicated to advancing the field of mechanical engineering and control systems. Launched in 2021, this journal has rapidly established itself as a vital resource for researchers, professionals, and students by providing a platform for high-quality research and innovative methodologies in mechanical systems and dynamics. With an impact factor that reflects its significant contributions to the field, the journal is positioned in the Q2 quartiles of both the Control and Systems Engineering and Mechanical Engineering categories. Accessible online, it offers a transparent publication process and engages a global audience, making it a crucial venue for disseminating cutting-edge research findings. As of 2023, the journal boasts notable Scopus rankings, including 292nd in Mechanical Engineering and 148th in Control and Systems Engineering, positioning it favorably among its peers. With plans for continued growth through 2024, the International Journal of Mechanical System Dynamics stands at the forefront of mechanical innovation and interdisciplinary collaboration.

International Journal of Information System Modeling and Design, published by IGI Global, serves as a vital resource for researchers, professionals, and students in the rapidly evolving fields of Information Systems and Management of Technology and Innovation. With an ISSN of 1947-8186 and E-ISSN of 1947-8194, this journal has been a platform for disseminating cutting-edge research and innovative methodologies since its inception in 2010, with converged years extending through 2024. Although it currently holds a Q4 category ranking in both Information Systems and Management of Technology and Innovation, the journal is committed to enhancing its academic influence and aims to provide high-quality content that bridges theoretical frameworks and practical applications. Its Scopus rankings position it among relevant peers, making it an important conduit for advancing knowledge in technology management. Despite not being an open-access publication, the journal's content is backed by rigorous peer review, promising valuable insights for those engaged in the study and application of information systems.

Modelling is a distinguished open access journal published by MDPI since 2020, dedicated to advancing the field of computational modeling across various scientific disciplines including Computer Science, Engineering, and Mathematics. With its base in Switzerland, the journal aims to foster a collaborative environment for researchers and practitioners while providing a platform for high-quality research on modeling and simulation techniques. As of 2023, it has garnered respectable rankings, achieving Q3 in Computer Science and Mathematics, and Q2 in Engineering, with notable Scopus values indicating an increasing impact within the academic community. Modelling not only publishes innovative research findings but also encourages the dissemination and discussion of emerging methodologies, making it a vital resource for scholars seeking to contribute to and expand the frontiers of knowledge in their respective fields. As an open access journal, it promotes unrestricted access to research outputs, ensuring greater visibility and impact for researchers and students alike.

Journal of Systems Science and Systems Engineering is a prestigious academic journal aimed at fostering discourse and research in the interdisciplinary fields of Control and Systems Engineering and Information Systems. Published by SPRINGER HEIDELBERG in Germany, this journal is dedicated to advancing the understanding of complex systems through innovative methodologies and comprehensive theoretical frameworks. With its Q3 quartile rankings in both fields for 2023, it reflects a growing influence in the academic community, as evidenced by its Scopus rankings, which place it in the 45th and 40th percentiles, respectively. The journal encourages both empirical and theoretical contributions, making it a valuable resource for researchers, professionals, and students passionate about system science. Although it does not offer open access, the journal's commitment to rigorous peer review ensures high-quality, impactful research that contributes significantly to the scientific advancements in these domains.

SYSTEMS RESEARCH AND BEHAVIORAL SCIENCE, published by Wiley, is a premier academic journal that bridges the fields of information systems, management, and behavioral science. This journal boasts an impressive impact factor, reflecting its commitment to high-quality research and its vital role in advancing theoretical and applied knowledge. Ranking in the second quartile for Information Systems and Management and the first quartile for Social Sciences (miscellaneous) as of 2023, it is recognized for its significant contribution to understanding complex social and organizational systems. The journal operates with open access options, promoting the dissemination of research findings to a wider audience. With a convergence period spanning from 1996 to 2024, SYSTEMS RESEARCH AND BEHAVIORAL SCIENCE provides a platform for innovative research that informs practices in social sciences and decision-making processes. Its high rankings within Scopus under various categories further attest to its relevance and impact in shaping contemporary thought within academia and practice, making it an essential resource for researchers, professionals, and students alike.

SIMULATION MODELLING PRACTICE AND THEORY is a leading academic journal published by Elsevier that focuses on the dynamic and evolving fields of simulation modeling and its applications across various disciplines. Established in 2002, this journal has rapidly gained recognition within the academic community, achieving a prestigious Q1 ranking in both Hardware and Architecture, as well as Modeling and Simulation for 2023. With an impressive impact factor that reflects its significance, it offers essential insights and findings pertinent to researchers, professionals, and students alike. The journal's scope encompasses a wide array of topics, encouraging interdisciplinary collaboration and innovation. Open access options further enhance visibility and accessibility of published research, contributing to the dissemination of knowledge in this critical field. Operating from its base in Amsterdam, Netherlands, SIMULATION MODELLING PRACTICE AND THEORY continues to provide a vital platform for advancements in simulation methodologies and applications, fostering an environment where theoretical principles and practical implementation converge.