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yap-6.3/CLPBN/clpbn/graphs.yap

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%
% Just output a graph with all the variables.
%
:- module(clpbn2graph, [clpbn2graph/1]).
:- use_module(library('clpbn/utils'), [
check_for_hidden_vars/3]).
:- attribute node/0.
clpbn2graph(Vs) :-
check_for_hidden_vars(Vs, Vs, NVs),
clpbn2graph2(NVs).
clpbn2graph2([]).
clpbn2graph2([V|Vs]) :-
put_atts(V,[node]),
clpbn2graph2(Vs).
%
% what is actually output
%
attribute_goal(V, node(K,Dom,CPT,TVs,Ev)) :-
get_atts(V, [node]),
clpbn:get_atts(V, [key(K),dist(Dom,CPT,Vs)]),
translate_vars(Vs,TVs),
( clpbn:get_atts(V, [evidence(Ev)]) -> true ; true).
translate_vars([],[]).
translate_vars([V|Vs],[K|Ks]) :-
clpbn:get_atts(V, [key(K)]),
translate_vars(Vs,Ks).