Grey Systems: Theory and Application: Volume 13 Issue 4

Application of a novel hybrid accumulation grey model to forecast total energy consumption of Southwest Provinces in China

Xuemei Zhao, Xin Ma, Yubin Cai, Hong Yuan, Yanqiao Deng

Considering the small sample size and non-linear characteristics of historical energy consumption data from certain provinces in Southwest China, the authors propose a hybrid…

Two-stage grey cloud clustering model under the panel data and its application

Dang Luo, Nana Zhai

The purpose of this paper is to establish a two-stage grey cloud clustering model under the panel data for the multi-attribute clustering problem with three-parameter interval…

Evaluation of rural tourism development level based on entropy-weighted grey correlation analysis: the case of Jiangxi Province

Xiaoyan Yan, Min Luo, Changbiao Zhong

The purpose of this paper is to establish a more reasonable evaluation system and model for the development level of rural tourism, and provides a method for quantifying the…

Research on the properties of separable binary functions

Zhi Cheng Jiang, Yong Wei

According to the fact that the single function transformation which can both reduce the class ratio dispersion and keep the relative error no enlargement after the inverse…

Single machine scheduling with interval grey processing time

Naiming Xie, Yuquan Wang

This paper aims to investigate the grey scheduling, which is the combination of grey system theory and scheduling problems with uncertain processing time. Based on the interval…

The modified model for hyperspectral estimation of soil organic matter using positive and inverse grey relational degree

Guozhi Xu, Xican Li, Hong Che

In order to improve the estimation accuracy of soil organic matter, this paper aims to establish a modified model for hyperspectral estimation of soil organic matter content based…

Evaluation analysis and promotion paths of regional green innovation vitality in China

Wenhao Zhou, Hailin Li, Liping Zhang, Huimin Tian, Meng Fu

The purpose of this work is to construct a grey entropy comprehensive evaluation model to measure the regional green innovation vitality (GIV) of 31 provinces in China.

A grey ordinal priority approach for healthcare waste disposal location selection

Santonab Chakraborty, Rakesh D. Raut, T.M. Rofin, Shankar Chakraborty

Increasing public consciousness and demand for sustainable environment make selection of a safe location for effective disposal of healthcare waste (HCW) a challenging issue. This…

Applying claim reduction criteria in selecting efficient contractors with the two-step grey data envelopment analysis approach

Hamid Asnaashari, Abbas Sheikh Aboumasoudi, Mohammad Reza Mozaffari, Mohammad Reza Feylizadeh

The application of correct contractor selection strategies leads to the selection of a qualified contractor and, as a result, the on-time delivery of the project with the desired…

Forecast combination using grey prediction with fuzzy integral and time-varying weighting in tourism

Yi-Chung Hu

Tourism demand forecasting is vital for the airline industry and tourism sector. Combination forecasting has the advantage of fusing several forecasts to reduce the risk of…