106 lines
2.2 KiB
Prolog
106 lines
2.2 KiB
Prolog
:- use_module(library(pfl)).
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%:- set_solver(lve).
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%:- set_solver(hve).
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%:- set_solver(bp).
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%:- set_solver(cbp).
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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, t)).
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ev(descn(p3, t)).
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ev(descn(p4, t)).
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ev(descn(p5, t)).
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bayes city_conservativeness(C)::[y,n] ; cons_table(C) ; [people(_,C)].
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bayes gender(P)::[m,f] ; gender_table(P) ; [people(P,_)].
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bayes hair_color(P)::[t,f], city_conservativeness(C) ; hair_color_table(P) ; [people(P,C)].
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bayes car_color(P)::[t,f], hair_color(P) ; car_color_table(P); [people(P,_)].
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bayes height(P)::[t,f], gender(P) ; height_table(P) ; [people(P,_)].
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bayes shoe_size(P):[t,f], height(P) ; shoe_size_table(P); [people(P,_)].
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bayes guilty(P)::[y,n] ; guilty_table(P) ; [people(P,_)].
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bayes descn(P)::[t,f], car_color(P), hair_color(P), height(P), guilty(P) ; descn_table(P) ; [people(P,_)].
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bayes witness(C)::[t,f], descn(Joe), descn(P2) ; wit_table ; [people(_,C), Joe=joe, P2=p2].
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% FIXME
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%cons_table(amsterdam, [0.2, 0.8]) :- !.
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cons_table(_, [0.8, 0.2]).
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gender_table(_, [0.55, 0.45]).
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hair_color_table(_,
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/* conservative_city */
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/* y n */
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[ 0.05, 0.1,
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0.95, 0.9 ]).
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car_color_table(_,
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/* t f */
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[ 0.9, 0.2,
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0.1, 0.8 ]).
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height_table(_,
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/* m f */
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[ 0.6, 0.4,
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0.4, 0.6 ]).
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shoe_size_table(_,
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/* t f */
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[ 0.9, 0.1,
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0.1, 0.9 ]).
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guilty_table(_, [0.23, 0.77]).
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descn_table(_,
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/* color, hair, height, guilt */
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/* ttttt tttf ttft ttff tfttt tftf tfft tfff ttttt fttf ftft ftff ffttt fftf ffft ffff */
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[ 0.99, 0.5, 0.23, 0.88, 0.41, 0.3, 0.76, 0.87, 0.44, 0.43, 0.29, 0.72, 0.23, 0.91, 0.95, 0.92,
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0.01, 0.5, 0.77, 0.12, 0.59, 0.7, 0.24, 0.13, 0.56, 0.57, 0.71, 0.28, 0.77, 0.09, 0.05, 0.08]).
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wit_table([0.2, 0.45, 0.24, 0.34,
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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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