Sifeng Liu

Sifeng Liu, Chuanmin Mi, Hanchong Qian, 2008, 2008 IEEE International Conference on Fuzzy Systems (IEEE World Congress on Computational Intelligence).

A novel multi-variable grey forecasting model and its application in forecasting the amount of motor vehicles in Beijing

Sifeng Liu, Bo Zeng, Chuan Li, 2016, Comput. Ind. Eng..

A novel synthetic index of two counts and mathematical model for researcher evaluation

Qi Li, Sifeng Liu, Yingjie Yang, 2020, Grey Syst. Theory Appl..

Research on the multiple transformation property of a series of grey models

Sifeng Liu, Naiming Xie, 2009, Kybernetes.

Dynamic grey target decision making method with three-parameter grey numbers

Sifeng Liu, Xiaqing Liu, Shuli Yan, 2015, 2015 IEEE International Conference on Grey Systems and Intelligent Services (GSIS).

The research of regional ecological industrial chain forming based on incomplete information dynamic Grey Game

Sifeng Liu, Bin Yu, Yanhui Chen, 2008, 2008 IEEE International Conference on Systems, Man and Cybernetics.

Technical change and funds for science and technology

Bingjun Li, Sifeng Liu, Yaoguo Dang, 2004 .

Grey Bayesian network model for reliability analysis of complex system

Sifeng Liu, Zhigeng Fang, Yingsai Cao, 2017, 2017 International Conference on Grey Systems and Intelligent Services (GSIS).

Study on grey synthetic clusters appraisals model

Sifeng Liu, Bin Liu, Yaoguo Dang, 2004, 2004 IEEE International Conference on Systems, Man and Cybernetics (IEEE Cat. No.04CH37583).

Study on audit evidence gathering cost under online auditing environment

Wei Chen, Sifeng Liu, Hong-yuan Zheng, 2008, 2008 IEEE International Conference on Systems, Man and Cybernetics.

Maturity model of the integration of informationization and industrialization based on grey clustering

Lei Yang, Sifeng Liu, Zhuo Zhang, 2011, 2011 IEEE International Conference on Systems, Man, and Cybernetics.

Exploring the Philosophical Foundations of Grey Systems Theory: Subjective Processes, Information Extraction and Knowledge Formation

Sifeng Liu, Naiming Xie, Ehsan Javanmardi, 2020 .

Study on 2-tuple linguistic assessment method based on grey cluster with incomplete attribute weight information

Sifeng Liu, Chuanmin Mi, Jianling Wang, 2009, 2009 IEEE International Conference on Systems, Man and Cybernetics.

Reliability variation of multi-state components with inertial effect of deteriorating output performances

Sifeng Liu, Zhigeng Fang, Wenjie Dong, 2019, Reliab. Eng. Syst. Saf..

Grey fuzzy comprehensive evaluation on the performance of China’s nonprofit organizations

Sifeng Liu, Ruilan Wang, 2007 .

Case Retrieving Based on Grey Incidence Degree in CBR

Sifeng Liu, Zhigeng Fang, Yaoguo Dang, 2006, 2006 6th World Congress on Intelligent Control and Automation.

Using weighted partial least squares to estimate the development cost of complex equipment at early design stage

Sifeng Liu, Lifeng Wu, Dejin Song, 2015, 2015 IEEE International Conference on Grey Systems and Intelligent Services (GSIS).

Comparative analysis of properties of weakening buffer operators in time series prediction models

Chong Li, Sifeng Liu, Yingjie Yang, 2019, Commun. Nonlinear Sci. Numer. Simul..

Influence factors analysis of online auditing performance assessment: A combined use between AHP and GIA

Wei Chen, Sifeng Liu, Gerhard Trippen, 2012, Kybernetes.

Proceedings of 2007 IEEE International Conference on Grey Systems and Intelligent Services

Sifeng Liu, 2007 .

On algorithm rules of interval grey numbers based on the “Kernel” and the degree of greyness of grey numbers

Jeffrey Forrest, Sifeng Liu, Zhigeng Fang, 2010, 2010 IEEE International Conference on Systems, Man and Cybernetics.

Reliability Variation and Optimal Age Replacement Schedule of Compensated Discrete Multi-state Systems

Suk Joo Bae, Sifeng Liu, Wenjie Dong, 2019, 2019 IEEE 6th International Conference on Industrial Engineering and Applications (ICIEA).

A brief introduction to grey systems theory

Jeffrey Forrest, Sifeng Liu, Yingjie Yang, 2011, Proceedings of 2011 IEEE International Conference on Grey Systems and Intelligent Services.

Explanation of terms of concepts and fundamental principles of grey systems

Jeffrey Forrest, Sifeng Liu, Yingjie Yang, 2016, Grey Syst. Theory Appl..

Supply chain coordination with a combined contract with pending prices for a short-life-cycle product

Sifeng Liu, Bin Liu, R.G. Qiu, 2007, 2007 IEEE International Conference on Grey Systems and Intelligent Services.

Functional model for zero-sum game and its matrix solution concerning uncertain information

Yuan Liu, Sifeng Liu, Zhigeng Fang, 2012, 2012 IEEE International Conference on Systems, Man, and Cybernetics (SMC).

Study on chain structure model of evolutionary game based on symmetric case

Sifeng Liu, Zhigeng Fang, Aiqing Ruan, 2005, Proceedings. 2005 IEEE Networking, Sensing and Control, 2005..

Grey cluster evaluation models based on mixed triangular whitenization weight functions

Sifeng Liu, Naiming Xie, Yingjie Yang, 2015, Grey Syst. Theory Appl..

The optimization of supply chain components' quality characteristics based on structural equation model

Yuan Liu, Sifeng Liu, Zhigeng Fang, 2009, 2009 IEEE International Conference on Grey Systems and Intelligent Services (GSIS 2009).

Algorithm model research of the logical cutting tree on the network maximum flow

Baoguang Xu, Sifeng Liu, Zhigeng Fang, 2004 .

On effect of qualified scientists and technicians gathering

Sifeng Liu, Zhigeng Fang, Ruilan Wang, 2009, 2009 IEEE International Conference on Systems, Man and Cybernetics.

RFID Technology and its Perspective Analysis with KERGM(1, 1) Model

Sifeng Liu, Rong Zhang, Bin Liu, 2008, J. Comput..

A novel method for solving linear programming with grey parameters

Amin Mahmoudi, Sifeng Liu, Saad Ahmed Javed, 2019, J. Intell. Fuzzy Syst..

Kernels of grey numbers and their operations

Sifeng Liu, Yingjie Yang, 2008, 2008 IEEE International Conference on Fuzzy Systems (IEEE World Congress on Computational Intelligence).

Reliability Assessment for Uncertain Multi-state Systems: An Extension of Fuzzy Universal Generating Function

Qin Zhang, Sifeng Liu, Wenjie Dong, 2019, Int. J. Fuzzy Syst..

A diffusion model of the multi-generations products competition by system dynamics analyzing

Sifeng Liu, Huan Guo, 2017, 2017 International Conference on Grey Systems and Intelligent Services (GSIS).

National economic strength as evaluated using grey systems theory

Yi Lin, Sifeng Liu, Sifeng Liu, 2007, Kybernetes.

Study on new method of GAHP

Sifeng Liu, Zhigeng Fang, Zhengdong Xu, 2007, 2007 IEEE International Conference on Grey Systems and Intelligent Services.

An analysis of intermediate inputs influencing the gross products of agriculture and its composition based on grey incidence analysis: Taking Huangshan City as example

Sifeng Liu, Huibin Zhan, 2015, Grey Syst. Theory Appl..

An OWA-TOPSIS method for multiple criteria decision analysis

Sifeng Liu, Kevin W. Li, Ye Chen, 2011, Expert Syst. Appl..

A study on the assessment of power system security risk based on grey clustering and maximum entropy theory

Jing Tao, Sifeng Liu, Chuanmin Mi, 2016, 2016 IEEE International Conference on Systems, Man, and Cybernetics (SMC).

A Fan-type result on fractional ID-k-factor-critical graphs

Jie Wu, Bin Xu, Sifeng Liu, 2017, Ars Comb..

Study on Algorithm of Grey Numbers and Grey Algebraic System

Sifeng Liu, Zhigeng Fang, 2006, 2006 IEEE International Conference on Systems, Man and Cybernetics.

A Knowledge Recommend System Based on User Model

Sifeng Liu, Jiagen Sheng, 2010, J. Digit. Content Technol. its Appl..

Non-homogenous discrete grey model with fractional-order accumulation

Wei Cui, Sifeng Liu, Tian-Xiang Yao, 2014, Neural Computing and Applications.

Optimal periodic maintenance policies for a parallel redundant system with component dependencies

Sifeng Liu, Wenjie Dong, Yangyang Du, 2019, Comput. Ind. Eng..

Study on Chain Structure Model of Industry Clusters Grey Evolutionary Game Based on Symmetric Case

Yong Hu, Sifeng Liu, Zhigeng Fang, 2006, 2006 IEEE International Conference on Systems, Man and Cybernetics.

Consumer evaluation of service brand extension based on gray preference analysis

Sifeng Liu, Jianling Wang, Yaoguo Dang, 2007, SMC.

Empirical study on relationship between Wuxi city's S&T investment and economy growth based on grey incidence analyzing

Sifeng Liu, Chuanmin Mi, Yaoguo Dang, 2010, 2010 IEEE International Conference on Systems, Man and Cybernetics.

Linear programming model with Uni-polar City for different levels allocation of productivity of science and technology based on the perfect mechanism

Sifeng Liu, Zhigeng Fang, Hongxing Shi, 2008, 2008 7th World Congress on Intelligent Control and Automation.

Evaluation of outpatient satisfaction and service quality of Pakistani healthcare projects: Application of a novel synthetic Grey Incidence Analysis model

Sifeng Liu, Saad Ahmed Javed, Sifeng Liu, 2018, Grey Syst. Theory Appl..

Uncertainty Representation of Grey Numbers and Grey Sets

Robert Ivor John, Sifeng Liu, Yingjie Yang, 2014, IEEE Transactions on Cybernetics.

Mechanism of R&D Network Based on University- Industry Cross-Organizati onal Knowledge Integration

Sifeng Liu, Yu Zhang, Li-rong Jian, 2015 .

The Grey Incidence Analysis on the SIC of the ECYR in Jiangsu

Sifeng Liu, Chunguang Zhou, Xuejun Tang, 2005, 2005 IEEE International Conference on Systems, Man and Cybernetics.

Grey System Evaluation of the Enterprise Sustainable Growth Competence

Sifeng Liu, Xuejun Tang, 2005, 2005 IEEE International Conference on Systems, Man and Cybernetics.

Explanation of terms of grey incidence analysis models

Hongyang Zhang, Sifeng Liu, Yingjie Yang, 2017, Grey Syst. Theory Appl..

The evaluation of regional urban spatial structure optimization based on the grey group decision-making

Sifeng Liu, Zhigeng Fang, Shuo Yang, 2007, 2007 IEEE International Conference on Grey Systems and Intelligent Services.

Quality investment and cost-sharing in the manufacturer-supplier cooperative development for complex products

Sifeng Liu, Yaping Li, Zhigeng Fang, 2013, Proceedings of 2013 IEEE International Conference on Grey systems and Intelligent Services (GSIS).

Novel models of grey relational analysis based on visual angle of similarity and nearness

Jeffrey Forrest, Sifeng Liu, Naiming Xie, 2011, Grey Syst. Theory Appl..

Sensitivity analysis of grey relational ordering

Hongmei Ren, Sifeng Liu, Ziliang Wang, 2007, 2007 IEEE International Conference on Systems, Man and Cybernetics.

Explanation of terms of Grey models for decision-making

Sifeng Liu, Naiming Xie, Yingjie Yang, 2018, Grey Syst. Theory Appl..

Grey Incidence Analysis of the Third Industry of Nanjing

Sifeng Liu, Ruilan Wang, 2005, SMC.

Study on the absolute grey incidence model of an interval grey number sequence

Sifeng Liu, Hongxing Shi, Hongyun Du, 2008, 2008 IEEE International Conference on Systems, Man and Cybernetics.

A Gray Model With a Time Varying Weighted Generating Operator

Sifeng Liu, Yingjie Yang, Lifeng Wu, 2016, IEEE Transactions on Systems, Man, and Cybernetics: Systems.

Research on The Intraday Periodities Based on Maximum Overlap Discrete Wavelet Transformations

Jun Wan, Sifeng Liu, Haijing Xu, 2008, DMIN.

Grey system model with the fractional order accumulation

Sifeng Liu, Lifeng Wu, Shuli Yan, 2013, Commun. Nonlinear Sci. Numer. Simul..

Study on Ways of Industrial Study on Ways of Industrial Five-Year Plan in China

Sifeng Liu, Yuhong Wang, Yaoguo Dang, 2010 .

A new approach in animal diet using grey system theory

Sifeng Liu, Davood Darvishi Salookolaei, Sayed Hadi Nasseri, 2018, Grey Syst. Theory Appl..

Grey Incidence and Evaluations

Sifeng Liu, Yi Lin, 2010 .

On evolution trend of R&D input and scientific and technical input in Jiangsu Province

Sifeng Liu, DeJin Song, 2009, 2009 IEEE International Conference on Systems, Man and Cybernetics.

Do not try to evaluate research results in a hurry

Sifeng Liu, Yingjie Yang, Yingjie Yang, 2019, Grey Syst. Theory Appl..

Grey Relational Analysis and Natural Language Processing to: Grey Language Processing

Sifeng Liu, Yingjie Yang, Arjab Singh Khuman, 2016 .

Explanation of terms of grey forecasting models

Sifeng Liu, Yingjie Yang, 2017, Grey Syst. Theory Appl..

Study on Chain Model of Evolutionary Game of Industrial Cluster under Strong Correlation between Individual Pay-off and Individual Quantity

Mingli Hu, Sifeng Liu, Zhigeng Fang, 2006, 2006 6th World Congress on Intelligent Control and Automation.

Bidirectional Absolute GRA/GIA Model for Uncertain Systems: Application in Project Management

Sifeng Liu, Saad Ahmed Javed, Sifeng Liu, 2019, IEEE Access.

Advance in grey incidence analysis modelling

Sifeng Liu, Hua Cai, Yingjie Yang, 2011, 2011 IEEE International Conference on Systems, Man, and Cybernetics.

An inventory model with constrained newsboy under renting-warehouse

Sifeng Liu, Chen Jian, Bin Liu, 2004, 2004 IEEE International Conference on Systems, Man and Cybernetics (IEEE Cat. No.04CH37583).

Dynamic suppliers' risk management of large-scale and complex equipment development

Chaoqing Yuan, Sifeng Liu, Wenfeng Yuan, 2012, Kybernetes.

Quantitative Study of the Technology Diffusion Field and Technology Dynamics

Sifeng Liu, Zhigeng Fang, Hongxing Shi, 2009 .

Application of grey entropy weight cluster in clinical department sorting

Xiao-Jun Chen, Sifeng Liu, Jiachun Zheng, 2019, Grey Syst. Theory Appl..

Forecast of electricity consumption of Jiangsu province by grey methods

Chaoqing Yuan, Sifeng Liu, Zhigeng Fang, 2008, 2008 IEEE International Conference on Fuzzy Systems (IEEE World Congress on Computational Intelligence).

Analysis of the grey matrix game model in stock speculation for immediate price-margin based on grey information

Sifeng Liu, Tao Yong, Zhigeng Fang, 2004, 2004 IEEE International Conference on Systems, Man and Cybernetics (IEEE Cat. No.04CH37583).

The mysteries for continual growth of grey system theory

Jeffrey Forrest, Sifeng Liu, Sifeng Liu, 2007, 2007 IEEE International Conference on Systems, Man and Cybernetics.

Hybrid Grey Interval Relation Decision-Making in Artistic Talent Evaluation of Player pdf

Sifeng Liu, Gol Kim, Yunchol Jong, 2012, ArXiv.

Study on parameters characteristics of NGM(1,1,k) prediction model with multiplication transformation

Sifeng Liu, Naiming Xie, Bo Zeng, 2011 .

Introduction to Grey Systems Theory

Yi Lin, Sifeng Liu, Sifeng Liu, 2010 .

Study onGreyFixedWeight Clustering Decision-making Basedon

Sifeng Liu, Jing Zhou, Entropy Weight, 2006 .

Study on the model of grey matrix game based on grey mixed strategy—properties of grey mixed strategy and model of linear program

Sifeng Liu, Hongxing Shi, Yong Zhao, 2008, 2008 IEEE International Conference on Fuzzy Systems (IEEE World Congress on Computational Intelligence).

A novel grey forecasting model and its optimization

Jie Cui, Sifeng Liu, Naiming Xie, 2013 .

Modeling and simulation of stranded passengers' transferring decision-making on the basis of herd behaviors

Mingli Hu, Sifeng Liu, Yang Shen, 2012, Kybernetes.

The restriction mechanism of Chinese university results efficiency based on the hybrid of VPRS and optimized GM(1,1)

Sifeng Liu, Lirong Jian, 2013 .

The Grey Systems Theory Framework

Sifeng Liu, Yingjie Yang, Jeffrey Forrest, 2017 .

7CHAPTER SELECTION OF REGIONAL LEADING INDUSTRY : ELECTION OF EGIONAL EADING NDUSTRY

Sifeng Liu, Yuhong Wang, Yaoguo Dang, 2010 .

Using fractional order accumulation to reduce errors from inverse accumulated generating operator of grey model

Sifeng Liu, Lifeng Wu, Ligen Yao, 2014, Soft Computing.

A model based on hidden graphic evaluation and review technique network to evaluate reliability and lifetime of multi-state systems

Sifeng Liu, Zhigeng Fang, Ye Ding, 2019 .

A study of decision process in MCDM problems with large number of criteria

Tao Zhang, Jian Liu, Peng Liu, 2015, Int. Trans. Oper. Res..

An axiomatic definition for the degree of greyness of grey numbers

Yi Lin, Sifeng Liu, 2004, 2004 IEEE International Conference on Systems, Man and Cybernetics (IEEE Cat. No.04CH37583).

An integrated fuzzy QFD and grey decision-making approach for supply chain collaborative quality design of large complex products

Sifeng Liu, Huan Wang, Daao Wang, 2020, Comput. Ind. Eng..

Grey cognition on brain obstruction and psychological health evaluation

Sifeng Liu, Yi Lin, Xiumei Lu, 2005, 2005 IEEE International Conference on Systems, Man and Cybernetics.

Grey Clustering Evaluation Models

Sifeng Liu, Yingjie Yang, Jeffrey Forrest, 2017 .

Study on distance measuring and sorting method of general grey number

Sifeng Liu, Zhigeng Fang, Zhongxia Liu, 2017, Grey Syst. Theory Appl..

On uncertain systems and uncertain models

Jeffrey Forrest, Sifeng Liu, KeQin Sheng, 2012, Kybernetes.

Grey Self-memory Combined Model for Complex Equipment Cost Estimation

Sifeng Liu, Yingjie Yang, Lifeng Wu, 2017 .

Optimization of Regional Industrial Structures and Applications

Sifeng Liu, Yuhong Wang, Yaoguo Dang, 2010 .

Review of the algorithm models of degrees of grey incidence

Sifeng Liu, Min Tian, Zhikun Bu, 2008, 2008 IEEE International Conference on Fuzzy Systems (IEEE World Congress on Computational Intelligence).

Algorithm rules of interval grey numbers based on different "kernel" and the degree of greyness of grey numbers

Sifeng Liu, Zhigeng Fang, San-dang Guo, 2017, Grey Syst. Theory Appl..

Theory of grey systems: capturing uncertainties of grey information

Yi Lin, Sifeng Liu, Mianyun Chen, 2004 .

Systems Evaluation: Methods, Models, and Applications

Chaoqing Yuan, Sifeng Liu, Naiming Xie, 2011 .

Study on the weight of evaluation index based on the rule of maximum entropy

Sifeng Liu, Zhigeng Fang, Yuannian Li, 2007, 2007 IEEE International Conference on Grey Systems and Intelligent Services.

On positioned solution of linear programming with grey parameters

Jeffrey Forrest, Sifeng Liu, Yaoguo Dang, 2009, 2009 IEEE International Conference on Systems, Man and Cybernetics.

Study on chain structure model of evolutionary game based on asymmetric case

Sifeng Liu, Zhigeng Fang, Aiqing Ruan, 2004, 2004 IEEE International Conference on Systems, Man and Cybernetics (IEEE Cat. No.04CH37583).

Dynamic grey target decision making method with grey numbers based on existing state and future development trend of alternatives

Sifeng Liu, Lifeng Wu, Shuli Yan, 2015, J. Intell. Fuzzy Syst..

Predicting the research output/growth of selected countries: application of Even GM (1, 1) and NDGM models

Sifeng Liu, Saad Ahmed Javed, Sifeng Liu, 2017, Scientometrics.

A Grey NGM(1,1, k) Self-Memory Coupling Prediction Model for Energy Consumption Prediction

Sifeng Liu, Lifeng Wu, Lingling Tang, 2014, TheScientificWorldJournal.

A new decision support model in multi-criteria decision making with intuitionistic fuzzy sets based on risk preferences and criteria reduction

Jian Liu, Peng Liu, Bin Zhao, 2013, J. Oper. Res. Soc..

Preface of the “Symposium on grey system: Theory and applications”

Sifeng Liu, Yingjie Yang, Zhigeng Fang, 2013 .

Pure Strategy Solution of a Grey Matrix Game Based on an Interval Grey Number Not to Be Determined Directly

Sifeng Liu, Zhigeng Fang, Hongxing Shi, 2009 .

Study on grey regional economy control model of Research University

Sifeng Liu, Zhigeng Fang, Yong Tao, 2007, 2007 IEEE International Conference on Grey Systems and Intelligent Services.

Control and optimization of quality cost based on discrete grey forecasting model

Xiaoyu Yang, Sifeng Liu, Zhigeng Fang, 2017 .

A historical introduction to grey systems theory

Yi Lin, Sifeng Liu, Sifeng Liu, 2004, 2004 IEEE International Conference on Systems, Man and Cybernetics (IEEE Cat. No.04CH37583).

Schedule risk analysis for new-product development: The GERT method extended by a characteristic function

James H. Lambert, Desheng Dash Wu, Sifeng Liu, 2017, Reliab. Eng. Syst. Saf..

Emergence and development of grey systems theory

Jeffrey Forrest, Sifeng Liu, Robert Vallée, 2009, Kybernetes.

A Critical Review: Shape Optimization of Welded Plate Heat Exchangers based on Grey Correlation Theory

Sifeng Liu, Aqib Mashood Khan, Saad Ahmed Javed, 2018, Applied Thermal Engineering.

Sequence Operators and Grey Data Mining

Sifeng Liu, Yingjie Yang, Jeffrey Forrest, 2017 .

Small and large projects: their dynamics and which ones to take

Yi Lin, Sifeng Liu, 2011, Kybernetes.

A new method in multi-criteria decision making with numerical values based on criteria reduction

Sifeng Liu, Jian Liu, Zhuo Zhang, 2017 .

Some results about grey mathematics

Sifeng Liu, Qiao-Xing Li, 2009, Kybernetes.

New progress of Grey System Theory in the new millennium

Jeffrey Forrest, Sifeng Liu, Naiming Xie, 2016, Grey Syst. Theory Appl..

Cost prediction model of commercial aircraft based on grey incidence weight

Sifeng Liu, Naiming Xie, Zhigeng Fang, 2011, Proceedings of 2011 IEEE International Conference on Grey Systems and Intelligent Services.

Discrete grey forecasting model and its optimization

Sifeng Liu, Naiming Xie, Sifeng Liu, 2009 .

Study on the Strengthening Buffer Operators and Their Applications

Jing Zhou, Sifeng Liu, Chuanmin Mi, 2006, 2006 IEEE International Conference on Systems, Man and Cybernetics.

Study on optimum value of Grey Matrix Game Based on Token of Grey Interval Number

Sifeng Liu, Zhigeng Fang, Chuanmin Mi, 2006, 2006 6th World Congress on Intelligent Control and Automation.

On index system and mathematical model for evaluation of scientific and technical strength

Sifeng Liu, Sifeng Liu, 2006 .

Correction to: Predicting the research output/growth of selected countries: application of Even GM (1, 1) and NDGM models

Sifeng Liu, Saad Ahmed Javed, 2019, Scientometrics.

Four basic models of GM(1, 1) and their suitable sequences

Sifeng Liu, Naiming Xie, Bo Zeng, 2015, Grey Syst. Theory Appl..

Jointed Decision Model on Ordering and Pricing for a Short-Life-Cycle Product under Stochastic Multiplicative Demand

Sifeng Liu, Bin Liu, 2006, 2006 4th IEEE International Conference on Industrial Informatics.

Study on the model of the standard grey matrix game based on pure-strategy solution

Sifeng Liu, Zhigeng Fang, Aiqing Ruan, 2005, 2005 IEEE International Conference on Systems, Man and Cybernetics.

Using the fractional order method to generalize strengthening buffer operator and weakening buffer operator

Sifeng Liu, Yingjie Yang, Lifeng Wu, 2016, IEEE/CAA Journal of Automatica Sinica.

Emergence of structural properties in economic networks: A multi-local-world evolving model

Sifeng Liu, Ye Chen, Chong Li, 2012, Simul. Model. Pract. Theory.

A multi-variable grey model with a self-memory component and its application on engineering prediction

Sifeng Liu, Yingjie Yang, Lifeng Wu, 2015, Eng. Appl. Artif. Intell..

A price forecast method of commercial aircraft based on I-GM(0,N) model

Sifeng Liu, Zhigeng Fang, Ye Chen, 2010, 2010 IEEE International Conference on Systems, Man and Cybernetics.

Study on GSOM model based on interval grey number

Sifeng Liu, Chuanmin Mi, Yangzi Xu, 2007, 2007 IEEE International Conference on Grey Systems and Intelligent Services.

A comparative study on multicriteria ABC analysis in inventory management

Sifeng Liu, Kevin W. Li, Ye Chen, 2008, 2008 IEEE International Conference on Systems, Man and Cybernetics.

A gray input-output model based on the standard interval grey number

Zhou Wei, Sifeng Liu, Zhigeng Fang, 2008, 2008 IEEE International Conference on Fuzzy Systems (IEEE World Congress on Computational Intelligence).

Application of grey clustering evaluation model to construction of university excellent courses

Sifeng Liu, Huibin Zhan, 2017, 2017 International Conference on Grey Systems and Intelligent Services (GSIS).

A Note On the Sequence of Weakening Buffer Operator

Sifeng Liu, Chuanmin Mi, Zhengpeng Wu, 2009, SMC.

A stochastic network model for ordering analysis in multi-stage supply chain systems

Chong Li, Sifeng Liu, Sifeng Liu, 2012, Simul. Model. Pract. Theory.

Suitable computerized maintenance management system selection using grey group TOPSIS and fuzzy group VIKOR: A case study

Amin Mahmoudi, Sifeng Liu, Mohammad Reza Feylizadeh, 2018 .

Techniques for Grey Systems Forecasting

Sifeng Liu, Yingjie Yang, Jeffrey Forrest, 2017 .

General Grey Numbers and Its Operations

Jeffrey Forrest, Sifeng Liu, Yingjie Yang, 2012, Grey Syst. Theory Appl..

The improvement of discrete GM(1,1) prediction model and its solution arithmetic

Sifeng Liu, Zhigeng Fang, Chuanmin Mi, 2008, 2008 IEEE International Conference on Fuzzy Systems (IEEE World Congress on Computational Intelligence).

Exploring the Human Cognitive Capacity in Understanding Systems: A Grey Systems Theory Perspective

Sifeng Liu, Ehsan Javanmardi, Sifeng Liu, 2020, Foundations of Science.

Some extended operations of grey sets

Sifeng Liu, R. John, Y. Yang, 2012, Kybernetes.

Random network models and sensitivity algorithms for the analysis of ordering time and inventory state in multi-stage supply chains

Chong Li, Sifeng Liu, 2014, Comput. Ind. Eng..

A new decision model to solve the clustering dilemma

Sifeng Liu, Yingjie Yang, Zhigeng Fang, 2016, 2016 IEEE International Conference on Systems, Man, and Cybernetics (SMC).

Using the GM(1, 1) model cluster to forecast global oil consumption

Chaoqing Yuan, Sifeng Liu, Ding Chen, 2017, Grey Syst. Theory Appl..

Study on the weakening buffer operator based on the interpolatory Function

Sifeng Liu, Qing Li, Naiming Xie, 2010, 2010 IEEE International Conference on Systems, Man and Cybernetics.

R-fuzzy sets and grey system theory

Robert Ivor John, Sifeng Liu, Yingjie Yang, 2016, 2016 IEEE International Conference on Systems, Man, and Cybernetics (SMC).

On measures of information content of grey numbers

Yi Lin, Sifeng Liu, Sifeng Liu, 2006, Kybernetes.

Two-stage ordering decision for a short-life-cycle product

Bin Liu, Sifeng Liu, Jian Chen, 2006 .

A multiple-attribute decision-making method based on the mean value of grey number weight optimisation and its application in supply-chain management

Sifeng Liu, Lin Xiao, Chuanmin Mi, 2017, Grey Syst. Theory Appl..