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.

Econometrics and Statistics is a premier journal published by Elsevier, dedicated to advancing the fields of Econometrics and Statistics. Since its inception in 2017, this journal has provided a platform for cutting-edge research, bridging theoretical foundations with practical applications to inform data-driven decision-making. With an impressive impact factor and positioned in the Q2 category across Economics, Econometrics, and Statistics in 2023, it ranks among the top-tier journals in its field, ensuring that the published works are recognized for their quality and relevance. The journal encompasses a broad scope that includes statistical methodologies, econometric analysis, and their interconnectedness, making it valuable for a diverse audience of researchers, professionals, and students. Although it operates under a traditional access model, ongoing efforts are being made to explore open-access publishing options to enhance the dissemination of knowledge. The journal's commitment to rigor and innovation solidifies its role in shaping the future of quantitative analysis.

Journal of Hospitality and Tourism Technology, published by Emerald Group Publishing Ltd, stands as a premier platform dedicated to advancing the fields of hospitality and tourism through the lens of technology. With an impressive impact factor reflecting its significance, this journal has been classified as Q1 in key categories such as Computer Science Applications, Information Systems, and Tourism, Leisure and Hospitality Management. Operating from the United Kingdom, the journal aims to explore innovative technological solutions designed to enhance operational efficiency and the overall customer experience in the hospitality sector. Researchers, professionals, and students alike will find this journal invaluable for gaining insights into current trends, challenges, and advancements, contributing to a deeper understanding of the intersection of technology and tourism management. With a rich history spanning from 2010 to 2024, the Journal of Hospitality and Tourism Technology continues to be at the forefront of scholarly exploration, helping shape the future of its diverse and dynamic field.

Medical Decision Making is a premier journal published by SAGE Publications Inc, dedicated to advancing the field of health policy through rigorous research, innovative methodologies, and comprehensive analyses. Since its inception in 1981, it has established itself as a leading platform for disseminating significant findings, and it proudly holds a Q1 ranking in the health policy category, underscoring its commitment to excellence within the academic community. With an impressive Scopus rank of 43 out of 310, the journal ranks in the top 14% of its field, reflecting its influential contributions to medical decision-making processes. Medical Decision Making serves a diverse audience of researchers, practitioners, and policymakers by providing scholarly articles that blend theoretical insights with practical applications, ultimately improving patient care and health outcomes. The journal's dedicated following and its continued relevance through to 2024 position it as an essential resource for anyone vested in the evolution and implementation of effective health policies.

Decision Science Letters is a premier open-access journal published by GROWING SCIENCE, dedicated to advancing the field of decision sciences since its inception in 2012. With its ISSN of 1929-5804 and E-ISSN of 1929-5812, this journal serves as a vital platform for disseminating innovative research and practical applications of decision-making models and methodologies. Housed in Canada, the journal plays an essential role in bridging academic insights with real-world practices, appealing to a diverse audience of researchers, professionals, and students alike. Currently ranked in the Q3 category of Decision Sciences (miscellaneous) as per the latest evaluation, it has demonstrated an active contribution to the academic community, facilitating the exchange of knowledge over the years. Decision Science Letters emphasizes the accessibility of research, supporting the open-access model to enhance the global reach of scholarly work in the decision sciences arena. With the journal converging towards its next milestone in 2024, it continues to encourage submissions that push the boundaries of theoretical and applied research in this dynamic field.

The IMA Journal of Management Mathematics is a distinguished publication that merges the realms of applied mathematics and its applications in management and economics, published by the esteemed Oxford University Press. With an ISSN of 1471-678X and an E-ISSN of 1471-6798, this journal has been a valuable resource since its inception, encompassing research disseminated from 1986 to present. It proudly holds notable quartile rankings including Q1 in Economics, Econometrics and Finance and Q2 across several related fields. The journal's commitment to advancing knowledge in areas such as management science, modeling and simulation, and operations research makes it essential reading for researchers, professionals, and students who seek to explore the integration of mathematical theories within management practices. Although not an open access journal, its high impact and widespread recognition in the academic community ensure that it remains a prominent platform for innovative research that influences both theory and practice.

Operational Research is a premier academic journal published by Springer Heidelberg, focusing on the intersection of advanced computational theory, management science, and operations research. With an ISSN of 1109-2858 and an E-ISSN of 1866-1505, this respected journal serves as a key platform for the dissemination of high-quality research that enhances the understanding and application of quantitative methods across various fields, including technology management, simulation modeling, and statistical analysis. With its impressive performance evidenced by a Q2 ranking in multiple categories such as Computational Theory and Mathematics and Management Science, Operational Research occupies a critical role in the knowledge landscape, reflecting its 88th percentile ranking in decision sciences and numerical analysis per Scopus metrics. While currently not open access, it continues to facilitate the advancement of its disciplines through rigorous peer-review, with a commitment to publishing relevant, impactful studies from 2009 through to 2024. Researchers, professionals, and students alike will find this journal an invaluable resource for staying abreast of significant advancements in operational research methodologies and applications.

Applied Stochastic Models in Business and Industry, published by Wiley, is a preeminent journal dedicated to advancing the field of stochastic modeling in various business and industry contexts. With an ISSN of 1524-1904 and an E-ISSN of 1526-4025, this journal serves as a vital platform for researchers and practitioners aiming to leverage stochastic techniques to address complex decision-making and operational challenges. The journal holds prestigious rankings, including Q2 in Business, Management and Accounting, and has converged years spanning from 1999 to 2024. It is distinguished by its wide scope, focusing on all aspects of modeling and simulation, as well as decision sciences and operations research. Although it does not operate as an open-access journal, its significant impact factor and Scopus rankings ensure that the valuable insights published within reach a broad audience. By fostering high-quality research and discourse, Applied Stochastic Models in Business and Industry plays a crucial role in driving innovation and excellence in its fields.

DECISION SCIENCES is a premier academic journal published by Wiley, specializing in the field of decision-making across various domains including Business, Management, and Information Systems. With a rich history dating back to 1970 and continuing until 2024, the journal has established itself as a vital resource for researchers, professionals, and students alike, boasting an impressive Q1 ranking in multiple categories such as Management of Technology and Innovation, and Strategy and Management. Recognized for its rigorous peer-review process, DECISION SCIENCES offers a platform for the dissemination of innovative research and practical applications, embracing themes that profoundly influence contemporary decision-making practices. The journal's high impact factor and Scopus rankings place it among the leading journals in its field, making it an essential reading for those seeking to advance their knowledge and expertise in decision sciences.

Foundations of Computing and Decision Sciences, published by SCIENDO, stands as a pivotal platform in the fields of computer science and decision-making theories. Established as an open-access journal since 2012, it facilitates the dissemination of innovative research and insights, catering to a global audience of scholars, practitioners, and students in Germany and beyond. With an ISSN of 0867-6356 and an E-ISSN of 2300-3405, the journal has made significant strides in its ranking, currently positioned in the Q3 category in Computer Science (miscellaneous) and Q4 in Theoretical Computer Science. The journal aims to foster interdisciplinary dialogues and significantly contribute to theoretical and practical advancements within the scope of computing and decision sciences. Its commitment to open access ensures that cutting-edge research is freely available, reinforcing the journal's role as a beacon for academic inquiry and knowledge sharing. With a converging timeline extending to 2024, the journal encourages submissions that address contemporary challenges and breakthroughs across various computing disciplines.