Rework the learning examples

This commit is contained in:
Tiago Gomes
2012-12-12 15:16:30 +00:00
parent f128b6de7a
commit 108e310a0f
8 changed files with 127 additions and 137 deletions

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@@ -6,17 +6,21 @@ bayes abi(K)::[h,m,l] ; abi_table ; [professor(K)].
bayes pop(K)::[h,m,l], abi(K) ; pop_table ; [professor(K)].
bayes diff(C) :: [h,m,l] ; diff_table ; [course(C,_)].
bayes diff(C)::[h,m,l] ; diff_table ; [course(C,_)].
bayes int(S) :: [h,m,l] ; int_table ; [student(S)].
bayes int(S)::[h,m,l] ; int_table ; [student(S)].
bayes grade(C,S)::[a,b,c,d], int(S), diff(C) ; grade_table ; [registration(_,C,S)].
bayes grade(C,S)::[a,b,c,d], int(S), diff(C) ;
grade_table ;
[registration(_,C,S)].
bayes satisfaction(C,S)::[h,m,l], abi(P), grade(C,S) ; sat_table ; [reg_satisfaction(C,S,P)].
bayes satisfaction(C,S)::[h,m,l], abi(P), grade(C,S) ;
sat_table ;
[reg_satisfaction(C,S,P)].
bayes rat(C) :: [h,m,l], Sats ; avg ; [course_rat(C, Sats)].
bayes rat(C)::[h,m,l], Sats ; avg ; [course_rat(C, Sats)].
bayes rank(S) :: [a,b,c,d], Grades ; avg ; [student_ranking(S,Grades)].
bayes rank(S)::[a,b,c,d], Grades ; avg ; [student_ranking(S,Grades)].
grade(Key, Grade) :-
@@ -30,19 +34,27 @@ reg_satisfaction(CKey, SKey, PKey) :-
course_rat(CKey, Sats) :-
course(CKey, _),
setof(satisfaction(CKey,SKey),
PKey^reg_satisfaction(CKey, SKey, PKey),
Sats).
PKey^reg_satisfaction(CKey, SKey, PKey),
Sats).
student_ranking(SKey, Grades) :-
student(SKey),
setof(grade(CKey,SKey), RKey^registration(RKey,CKey,SKey), Grades).
setof(grade(CKey,SKey),
RKey^registration(RKey,CKey,SKey),
Grades).
:- ensure_loaded(tables).
% convert to longer names
professor_ability(P,A) :- abi(P, A).
professor_ability(P,A) :- abi(P,A).
professor_popularity(P,A) :- pop(P, A).
professor_popularity(P,A) :- pop(P,A).
course_difficulty(P,A) :- diff(P,A).
student_intelligence(P,A) :- int(P,A).
course_rating(C,X) :- rat(C,X).
registration_grade(R,A) :-
registration(R,C,S),
@@ -52,24 +64,14 @@ registration_satisfaction(R,A) :-
registration(R,C,S),
satisfaction(C,S,A).
student_intelligence(P,A) :- int(P, A).
registration_course(R,C) :- registration(R,C,_).
course_difficulty(P,A) :- diff(P, A).
registration_course(R,C) :-
registration(R, C, _).
registration_student(R,S) :-
registration(R, _, S).
course_rating(C,X) :- rat(C,X).
registration_student(R,S) :- registration(R,_,S).
%
% evidence
% Evidence
%
%abi(p0, h).
%pop(p1, m).
%pop(p2, h).

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@@ -1,5 +1,4 @@
/* base file for school database. Supposed to be called from school_*.yap */
/* Base file for school database. Supposed to be called from school_*.yap */
professor_key(Key) :-
professor(Key).
@@ -67,5 +66,3 @@ student_ranking(Key, Rank) :-
:- ensure_loaded(tables).

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@@ -4702,5 +4702,3 @@ registration(r3457,c5,s1023).
registration(r3458,c37,s1023).
registration(r3459,c57,s1023).

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@@ -1,30 +1,49 @@
int_table(_,T ,[h, m, l]) :- int_table(T).
abi_table(
/* h */ [ 0.50,
/* m */ 0.40,
/* l */ 0.10 ]).
int_table([0.5,
0.4,
0.1]).
abi_table(_, T) :- abi_table(T).
/* 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 ]).
pop_table(
/* h m l */
/* h */ [ 0.9, 0.2, 0.01,
/* m */ 0.09, 0.6, 0.09,
/* l */ 0.01, 0.2, 0.9 ]).
pop_table(_, T) :- pop_table(T).
diff_table(
/* h */ [ 0.25,
/* m */ 0.50,
/* l */ 0.25 ]).
dif_table(_, T) :- diff_table(T).
int_table(
/* h */ [ 0.5,
/* m */ 0.4,
/* l */ 0.1 ]).
int_table(_,T ,[h,m,l]) :- int_table(T).
grade_table(
/* h h h m h l m h m m m l l h l m l l */
/* a */ [ 0.2, 0.7, 0.85, 0.1, 0.2, 0.5, 0.01, 0.05, 0.1,
/* b */ 0.6, 0.25, 0.12, 0.3, 0.6, 0.35, 0.04, 0.15, 0.4,
/* c */ 0.15, 0.04, 0.02, 0.4, 0.15, 0.12, 0.5, 0.6, 0.4,
/* d */ 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).
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).
*/
/* 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 ]).
satisfaction_table(A, G, p([h,m,l], T, [A,G])) :- sat_table(T).
@@ -35,22 +54,8 @@ satisfaction_table(A, G, p([h,m,l], T, [A,G])) :- sat_table(T).
%
% 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).
rating_prob_table(
[ 0.9, 0.05, 0.01,
0.09, 0.9, 0.09,
0.01, 0.05, 0.9 ]).