... that integrates machine learning with grey system theory to predict voluntary employee turnover. The developed method follows a six-step procedure, encompassing variable selection, data preparation, and model training. A grey cluster-based decision model is applied as an activation function within a novel machine...

...Nhu Ty Nguyen; Doan Khanh Trung Nguyen; Thanh Tuyen Tran Purpose This paper proposes a combined data envelopment analysis (DEA) model and Grey system theory to evaluate and forecast the business performance of the logistics industry in Vietnam. This approach provides managers, investors...

...Gülhan Toğa; Berrin Atalay; M. Duran Toksarı; Jeffrey Yi-Lin Forrest Purpose In this study, the grey system theory is used for the first time to eliminate the uncertainties in the line balancing problem of U-type assembly lines, which are the most sensitive lines that can be easily affected...

...Peng Jiang; Zhaohu Dong; Hong Sun; Yingchun Song; Qingqing Zou Purpose Supply chains, as prototypical uncertain systems, are crucial for national security and socioeconomic development. Grey system theory (GST) is an effective tool for addressing uncertainties and has played a pivotal role...

... , s j 2 ) = ( x → i ( s j 1 ) x → i ( s j 2 ) ) , Grey system theory Grey relational analysis Coupling effect Panel data Water environment status assessment As the main channel of biosphere's material cycle, the water...

... 12 2023 © Emerald Publishing Limited 2023 Emerald Publishing Limited Licensed re-use rights only Grey system theory Production line balance Interval grey number Simulated annealing algorithm The assembly line balancing problem is a classic scheduling problem. In early...

... proposes integration of grey system theory with a newly developed MCDM tool, i.e. mixed aggregation by comprehensive normalization technique (MACONT) to identify the best performing supplier for pharmaceutical items in a healthcare unit from a pool of six competing alternatives based on the opinions...

...Sifeng Liu; Yong Tao; Naiming Xie; Liangyan Tao; Mingli Hu Purpose The purpose of this paper is to summarize the advances in grey system theory research and various application achievements in science and engineering. At the same time, it commemorates the 40th anniversary of the birth of grey...

...Liangyan Tao; Ailin Liang; Naiming Xie; Sifeng Liu Purpose The year 2022 marks the 40th anniversary of the establishment of the grey system theory (GST), which has been widely applied in the engineering field. This paper aims to systematically identify the achievements, hotspots, knowledge...

... ( t 2 ) , ⋯ , x ( t n ) } , if Naiming Xie can be contacted at: xienaiming@nuaa.edu.cn 29 06 2022 29 06 2022 29 06 2022 © Emerald Publishing Limited 2022 Emerald Publishing Limited Licensed re-use rights only Grey system theory Grey...

... analysis methods of probability statistics, fuzzy mathematics, grey system theory and rough set theory have been introduced. The concepts of GUD and GUV for reliability growth data analysis of major aerospace equipment are proposed. The simplified form of GUV based on the “kernel” and the degree...

...Mingli Hu; Wenjie Liu Purpose As the grey systems theory has been widely used in the field of sustainable development (SD) research, in the following, a short literature overview will be put forward, starting from the usage of these theories in the economic development, social inclusion...

... capabilities of proposed models. The proposed methodologies consist of two parts. They are double exponential smoothing (DES) and Grey exponential smoothing modeling approach respectively. Grey system theory and practices were introduced by Deng Julong in the 1980s with a strong ability to make short...

..., previous research has focused on the virtual sample generation (VSG) technique and grey system theory to propose some solutions. Many studies have pointed out that virtual samples can make the learning process more stable and ultimately produce a more robust and accurate forecasting model. The VSG...

... and other similar flow shop scheduling problems. Social implications Uncertain processing time is common in flexible workshop manufacturing, and manual scheduling greatly restricts the production efficiency of workshop. In this paper, combined with grey system theory, an intelligent algorithm is used...

... 18 02 2020 06 05 2020 19 06 2020 06 07 2020 16 07 2020 Z 1 ( 1 ) is the sequence of mean generation of consecutive neighbors from X 1 ( 1 ) , where The grey system theory is an interdisciplinary theory proposed by Deng (1982...

... have greatly expanded the scope of application of grey prediction models and enriched the grey system theory. In order to predict China's GDP more accurately, this paper establishes a new grey forecasting model with time power term based on the research foundation of previous scholars to forecast...

.... To fill this gap in the literature we investigate single machine earliness/tardiness scheduling problem with uncertain parameters encoded with grey numbers. The remainder of the paper consists of basic definitions of grey systems theory and grey numbers, the mathematical model of single machine earliness...

...Erkan Kose; Danışment Vural; Gulcin Canbulut Purpose This study has two main objectives: (1) to expand the application areas of grey system theory and (2) to select the most livable city in Turkey. Design/methodology/approach Choosing the most livable city is a complex problem that requires...

... safety. The purpose of this paper is to provide a new and comprehensive measure based on conventional functional hazard analysis (FHA) and grey system theory to analysis and evaluate the class that each failure belongs to. Design/methodology/approach This paper integrates multiple methods including...