135 lines
2.8 KiB
Plaintext
135 lines
2.8 KiB
Plaintext
:- use_module(library(pfl)).
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:- set_solver(hve).
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%:- set_solver(ve).
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%:- set_solver(jt).
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%:- set_solver(bdd).
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%:- set_solver(bp).
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%:- set_solver(cbp).
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%:- set_solver(gibbs).
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%:- set_solver(lve).
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%:- set_solver(lkc).
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%:- set_solver(lbp).
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:- multifile people/2.
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:- multifile ev/1.
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people(joe,nyc).
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people(p2, nyc).
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people(p3, nyc).
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people(p4, nyc).
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people(p5, nyc).
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ev(descn(p2, fits)).
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ev(descn(p3, fits)).
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ev(descn(p4, fits)).
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ev(descn(p5, fits)).
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bayes city_conservativeness(C)::[high,low] ;
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cons_table(C) ;
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[people(_,C)].
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bayes gender(P)::[male,female] ;
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gender_table(P) ;
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[people(P,_)].
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bayes hair_color(P)::[dark,bright], city_conservativeness(C) ;
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hair_color_table(P) ;
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[people(P,C)].
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bayes car_color(P)::[dark,bright], hair_color(P) ;
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car_color_table(P) ;
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[people(P,_)].
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bayes height(P)::[tall,short], gender(P) ;
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height_table(P) ;
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[people(P,_)].
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bayes shoe_size(P)::[big,small], height(P) ;
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shoe_size_table(P) ;
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[people(P,_)].
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bayes guilty(P)::[y,n] ;
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guilty_table(P) ;
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[people(P,_)].
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bayes descn(P)::[fits,dont_fit], car_color(P),
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hair_color(P), height(P), guilty(P) ;
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descn_table(P) ;
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[people(P,_)].
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bayes witness(C), descn(Joe), descn(P2) ;
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witness_table ;
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[people(_,C), Joe=joe, P2=p2].
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cons_table(amsterdam,
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% special case for amsterdam: amsterdam is
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% less conservative than other cities (is it?)
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/* y */ [ 0.2,
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/* n */ 0.8 ]) :- !. % FIXME
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cons_table(_,
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/* y */ [ 0.8,
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/* n */ 0.2 ]).
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gender_table(_,
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/* male */ [ 0.55,
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/* female */ 0.45 ]).
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hair_color_table(_,
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/* high low */
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/* dark */ [ 0.05, 0.1,
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/* bright */ 0.95, 0.9 ]).
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car_color_table(_,
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/* dark bright */
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/* dark */ [ 0.9, 0.2,
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/* bright */ 0.1, 0.8 ]).
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height_table(_,
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/* male female */
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/* tall */ [ 0.6, 0.4,
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/* short */ 0.4, 0.6 ]).
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shoe_size_table(_,
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/* tall short */
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/* big */ [ 0.9, 0.1,
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/* small */ 0.1, 0.9 ]).
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guilty_table(_,
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/* yes */ [ 0.23,
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/* no */ 0.77 ]).
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descn_table(_,
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/* car_color(P), hair_color(P), height(P), guilty(P) */
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/* fits */ [ 0.99, 0.5, 0.23, 0.88, 0.41, 0.3, 0.76, 0.87,
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/* fits */ 0.44, 0.43, 0.29, 0.72, 0.23, 0.91, 0.95, 0.92,
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/* dont_fit */ 0.01, 0.5, 0.77, 0.12, 0.59, 0.7, 0.24, 0.13,
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/* dont_fit */ 0.56, 0.57, 0.71, 0.28, 0.77, 0.09, 0.05, 0.08 ]).
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witness_table(
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/* descn(Joe), descn(P2) */
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/* t */ [ 0.2, 0.45, 0.24, 0.34,
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/* f */ 0.8, 0.55, 0.76, 0.66 ]).
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runall(G, Wrapper) :-
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findall(G, Wrapper, L),
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execute_all(L).
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execute_all([]).
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execute_all(G.L) :-
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call(G),
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execute_all(L).
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is_joe_guilty(Guilty) :-
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witness(nyc, t),
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runall(X, ev(X)),
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guilty(joe, Guilty).
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?- is_joe_guilty(Guilty).
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