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		Journal of System and Management Sciences 
		--- Vol.2, No. 4
		 
		 
		
		Service-Oriented Catering Supply Chain Performance Evaluation Model
		
		 
		
		Guguan Shen,, Juanqiong Gu, Rui Chai ............................................................................................................1 
		
		Drag Effects of Urban-Rural Digital Divide on Urbanization: Evidence 
		from China¡¯s Panel Data
		 
		
		Xinglong Xie, Dewei Qi¡¡¡¡¡.................................................................................................................6 
		
		Research on Competency and Relationship between Competency and 
		Performance
		
		
		of Research University Teachers 
		 Anguo 
		Xu . .......................................................................................................................................................14
		 
		
		Xinwen He, Yan Wang, Xiaohong Chen...........................................................................................................25 
		
		Study on the Real Estate Credit Risk Based on System Dynamics
		
		 
		
		Jingjing 
		Yin , 
		
		zhenzhen 
		
		Xie , 
		
		Jingjuan 
		Guo ......................................................................................................31
		 
		
		Supply Chain Risks Evaluation Model in Fuzzy Environment
		
		 
		
		Ruijiang Wang, Xiaoxia Zhu, Fachao Li...........................................................................................................37 
		
		The EU China Health Cloud Project towards Open Science in the 21st 
		century
		
		 
		
		Ying Su, Carlos Morais Pires, YunPing,Li¡¡................................................................................................44 
		
		Application of Vague Set in Recommender Systems
		
		 
		
		Chunsheng 
		Cui , Zhenchun Zang, 
		
		Feng 
		
		Liu  , 
		
		
		Ying 
		Qu 
		
		....................................................................................50
		 
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