aggregates in PFL: exa,ple
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@ -15,9 +15,7 @@ schema.yap: the PFL schema
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tables: CPTs
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=============================================================================
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professor_ability(p0,X).
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@ -29,9 +29,9 @@ bayes grade(C,S)::[a,b,c,d], int(S), diff(C) ; grade_table ; [registration(_,C,S
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bayes satisfaction(C,S)::[h,m,l], abi(P), grade(C,S) ; sat_table ; [reg_satisfaction(C,S,P)].
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bayes rat(C) :: [h,m,l], agg(Sats) ; avg ; [course_rat(C, Sats)].
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bayes rat(C) :: [h,m,l], Sats ; avg ; [course_rat(C, Sats)].
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bayes rank(S) :: [a,b,c,d], agg(Grades) ; avg ; [student_ranking(S,Grades)].
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bayes rank(S) :: [a,b,c,d], Grades ; avg ; [student_ranking(S,Grades)].
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grade(Key, Grade) :-
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@ -44,8 +44,8 @@ reg_satisfaction(CKey, SKey, PKey) :-
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course_rat(CKey, Sats) :-
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course(CKey, _),
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setof(satisfaction(CKey,SKey,PKey),
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reg_satisfaction(CKey, SKey, PKey),
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setof(satisfaction(CKey,SKey),
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PKey^reg_satisfaction(CKey, SKey, PKey),
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Sats).
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student_ranking(SKey, Grades) :-
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@ -21,6 +21,7 @@ total_students(256).
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%:- clpbn_horus:set_solver(fove).
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%:- clpbn_horus:set_solver(hve).
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:- clpbn_horus:set_solver(bp).
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%:- clpbn_horus:set_solver(ve).
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%:- clpbn_horus:set_solver(cbp).
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:- ensure_loaded(school32_data).
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