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yap-6.3/packages/CLPBN/examples/School/tables.yap
2012-01-10 17:01:06 +00:00

57 lines
1.5 KiB
Prolog

int_table(_,T ,[h, m, l]) :- int_table(T).
int_table([0.5,
0.4,
0.1]).
/* h h h m h l m h m m m l l h l m l l */
grade_table([
0.2, 0.7, 0.85, 0.1, 0.2, 0.5, 0.01, 0.05,0.1 ,
0.6, 0.25, 0.12, 0.3, 0.6,0.35,0.04, 0.15, 0.4 ,
0.15,0.04, 0.02, 0.4,0.15,0.12, 0.5, 0.6, 0.4,
0.05,0.01, 0.01, 0.2,0.05,0.03, 0.45, 0.2, 0.1 ]).
grade_table(I, D,
/* h h h m h l m h m m m l l h l m l l */
p([a,b,c,d], T, [I,D])) :- grade_table(T).
sat_table(
/* h a h b h c h d m a m b m c m d l a l b l c l d */
/*h*/ [0.98, 0.9, 0.8 , 0.6, 0.9, 0.4, 0.2, 0.01, 0.5, 0.2, 0.01, 0.01,
/*m*/ 0.01, 0.09,0.15, 0.3, 0.05, 0.4, 0.3, 0.04, 0.35, 0.3, 0.09, 0.01 ,
/*l*/ 0.01, 0.01,0.05, 0.1, 0.05, 0.2, 0.5, 0.95, 0.15, 0.5, 0.9, 0.98]).
/*
A: professor's ability;
B: student's grade (for course registration).
*/
satisfaction_table(A, G, p([h,m,l], T, [A,G])) :- sat_table(T).
% The idea is quite simple:
% hs = h -> r = ( 0.9, 0.1, 0)
% hs = m -> r = ( 0.2, 0.6, 0.2)
% hs = l -> r = ( 0, 0.1, 0.9)
%
% add all and divide on the number of elements on the table!
%
rating_prob_table([0.9,0.05,0.01,
0.09,0.9,0.09,
0.01,0.05,0.9]).
abi_table( [0.50, 0.40, 0.10]).
abi_table( _, T) :- abi_table(T).
pop_table( [0.9, 0.2, 0.01,
0.09, 0.6, 0.09,
0.01, 0.2, 0.9]).
pop_table(_, T) :- pop_table(T).
diff_table([0.25, 0.50, 0.25]).
dif_table(_, T) :- diff_table(T).