42 lines
		
	
	
		
			649 B
		
	
	
	
		
			Perl
		
	
	
	
	
	
		
		
			
		
	
	
			42 lines
		
	
	
		
			649 B
		
	
	
	
		
			Perl
		
	
	
	
	
	
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								:- module(lit,
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									  [ lit/0
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									  ]).
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								:- use_module('../rdf_db').
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								data(string, '').
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								data(string, 'This is a nice string').
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								data(int, 0).
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								data(int, -67).
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								data(int, 327848).
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								data(float, 0.0).
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								data(float, 48.25).
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								data(term, [let, us, test, a, list]).
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								data(term, [let, us, test, another, list]).
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								create :-
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									(   data(Type, Value),
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									    rdf_assert(subject, Type, literal(Value)),
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									    fail
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									;   true
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									).
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								lookup :-
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									findall(T-V, (rdf(subject, T, X), X = literal(V)), Pairs),
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									findall(T-V, data(T, V), Data),
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									Data == Pairs.
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										 /*******************************
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										 *		MAIN		*
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										 *******************************/
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								lit :-
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									rdf_reset_db,
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									create,
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									lookup.
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