
	
	- URI
 
	
		"Uniform Resource Identifier". 
		URI consist of three parts: 
		
			- The naming scheme of the mechanism used to access the resource (f. ex.: http:, 
			ftp, etc.)
 
			- The name of the machine hosting the resource (p. es.: bta.it)
 
			- The name of the resource itself, given as a path
 
		
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	- URL
 
	
		"Uniform Resource Locator"
		
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	- URN
 
	
		"Uniform Resource Names" (URN) are Internet location-independent, resource 
		identifiers. 
		
 
		See also:
		
		Bibliography: