diogo/yap-6.3
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

New Version From Tiago

Browse Source
This commit is contained in:
Vítor Santos Costa 2011-12-10 22:58:43 +00:00
parent 2ab4ce503e
commit dbcb6e530c
1 changed files with 79 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

136
packages/CLPBN/clpbn/bp.yap
View File

@ -8,6 +8,8 @@
:- module(clpbn_bp,
[bp/3,
check_if_bp_done/1,
set_solver_parameter/2,
use_log_space/0,
init_bp_solver/4,
run_bp_solver/3,
finalize_bp_solver/1
@ -34,116 +36,136 @@
:- attribute id/1.
:- dynamic num_bayes_nets/1.
:- dynamic network_counting/1.
check_if_bp_done(_Var).
num_bayes_nets(0).
network_counting(0).
:- set_solver_parameter(run_mode, normal).
%:- set_solver_parameter(run_mode, convert).
%: -set_solver_parameter(run_mode, compress).
:- set_solver_parameter(schedule, seq_fixed).
%:- set_solver_parameter(schedule, seq_random).
%:- set_solver_parameter(schedule, parallel).
%:- set_solver_parameter(schedule, max_residual).
:- set_solver_parameter(accuracy, 0.0001).
:- set_solver_parameter(max_iter, 1000).
:- set_solver_parameter(always_loopy_solver, false).
% :- use_log_space.
bp([[]],_,_) :- !.
bp([QueryVars], AllVars, Output) :-
init_bp_solver(_, AllVars, _, BayesNet),
run_bp_solver([QueryVars], LPs, BayesNet),
finalize_bp_solver(BayesNet),
clpbn_bind_vals([QueryVars], LPs, Output).
init_bp_solver(_, AllVars, _, BayesNet),
run_bp_solver([QueryVars], LPs, BayesNet),
finalize_bp_solver(BayesNet),
clpbn_bind_vals([QueryVars], LPs, Output).
init_bp_solver(_, AllVars, _, (BayesNet, DistIds)) :-
%inc_num_bayes_nets,
%(showprofres(50) -> true ; true),
process_ids(AllVars, 0, DistIds0),
get_vars_info(AllVars, VarsInfo),
sort(DistIds0, DistIds),
%(num_bayes_nets(0) -> writeln(vars:VarsInfo) ; true),
%(num_bayes_nets(0) -> writeln(dists:DistsInfo) ; true),
create_network(VarsInfo, BayesNet).
%set_extra_vars_info(BayesNet, ExtraVarsInfo).
%inc_network_counting,
process_ids(AllVars, 0, DistIds0),
get_vars_info(AllVars, VarsInfo),
sort(DistIds0, DistIds),
%(network_counting(0) -> writeln(vars:VarsInfo) ; true),
%(network_counting(0) -> writeln(distsids:DistIds) ; true),
create_network(VarsInfo, BayesNet).
%get_extra_vars_info(AllVars, ExtraVarsInfo),
%(network_counting(0) -> writeln(extra:ExtraVarsInfo) ; true),
%set_extra_vars_info(BayesNet, ExtraVarsInfo).
process_ids([], _, []).
process_ids([V|Vs], VarId0, [DistId|DistIds]) :-
clpbn:get_atts(V, [dist(DistId, _)]), !,
put_atts(V, [id(VarId0)]),
VarId is VarId0 + 1,
process_ids(Vs, VarId, DistIds).
clpbn:get_atts(V, [dist(DistId, _)]), !,
put_atts(V, [id(VarId0)]),
VarId is VarId0 + 1,
process_ids(Vs, VarId, DistIds).
process_ids([_|Vs], VarId, DistIds) :-
process_ids(Vs, VarId, DistIds).
process_ids(Vs, VarId, DistIds).
get_vars_info([], []).
get_vars_info([V|Vs], [var(VarId, DSize, Ev, ParentIds, DistId)|VarsInfo]) :-
clpbn:get_atts(V, [dist(DistId, Parents)]), !,
get_atts(V, [id(VarId)]),
get_dist_domain_size(DistId, DSize),
get_evidence(V, Ev),
vars2ids(Parents, ParentIds),
get_vars_info(Vs, VarsInfo).
clpbn:get_atts(V, [dist(DistId, Parents)]), !,
get_atts(V, [id(VarId)]),
get_dist_domain_size(DistId, DSize),
get_evidence(V, Ev),
vars2ids(Parents, ParentIds),
get_vars_info(Vs, VarsInfo).
get_vars_info([_|Vs], VarsInfo) :-
get_vars_info(Vs, VarsInfo).
get_vars_info(Vs, VarsInfo).
vars2ids([], []).
vars2ids([V|QueryVars], [VarId|Ids]) :-
get_atts(V, [id(VarId)]),
vars2ids(QueryVars, Ids).
get_atts(V, [id(VarId)]),
vars2ids(QueryVars, Ids).
get_evidence(V, Ev) :-
clpbn:get_atts(V, [evidence(Ev)]), !.
clpbn:get_atts(V, [evidence(Ev)]), !.
get_evidence(_V, -1). % no evidence !!!
get_extra_vars_info([], []).
get_extra_vars_info([V|Vs], [v(VarId, Label, Domain)|VarsInfo]) :-
get_atts(V, [id(VarId)]), !,
clpbn:get_atts(V, [key(Key),dist(DistId, _)]),
term_to_atom(Key, Label),
get_dist_domain(DistId, Domain0),
numbers2atoms(Domain0, Domain),
get_extra_vars_info(Vs, VarsInfo).
get_atts(V, [id(VarId)]), !,
clpbn:get_atts(V, [key(Key),dist(DistId, _)]),
term_to_atom(Key, Label),
get_dist_domain(DistId, Domain0),
numbers2atoms(Domain0, Domain),
get_extra_vars_info(Vs, VarsInfo).
get_extra_vars_info([_|Vs], VarsInfo) :-
get_extra_vars_info(Vs, VarsInfo).
numbers2atoms([], []).
numbers2atoms([Atom|L0], [Atom|L]) :-
atom(Atom), !,
numbers2atoms(L0, L).
atom(Atom), !,
numbers2atoms(L0, L).
numbers2atoms([Number|L0], [Atom|L]) :-
number_atom(Number, Atom),
numbers2atoms(L0, L).
number_atom(Number, Atom),
numbers2atoms(L0, L).
run_bp_solver(QVsL0, LPs, (BayesNet, DistIds)) :-
get_dists_parameters(DistIds, DistsParams),
set_parameters(BayesNet, DistsParams),
process_query_list(QVsL0, QVsL),
%writeln(' qvs':QVsL),
%(num_bayes_nets(1506) -> writeln(qvs:QVsL) ; true),
run_solver(BayesNet, QVsL, LPs).
get_dists_parameters(DistIds, DistsParams),
set_parameters(BayesNet, DistsParams),
process_query_list(QVsL0, QVsL),
%(network_counting(0) -> writeln(qvs:QVsL) ; true),
run_solver(BayesNet, QVsL, LPs).
process_query_list([], []).
process_query_list([[V]|QueryVars], [VarId|Ids]) :- !,
get_atts(V, [id(VarId)]),
process_query_list(QueryVars, Ids).
get_atts(V, [id(VarId)]),
process_query_list(QueryVars, Ids).
process_query_list([Vs|QueryVars], [VarIds|Ids]) :-
vars2ids(Vs, VarIds),
process_query_list(QueryVars, Ids).
vars2ids(Vs, VarIds),
process_query_list(QueryVars, Ids).
get_dists_parameters([],[]).
get_dists_parameters([Id|Ids], [dist(Id, Params)|DistsInfo]) :-
get_dist_params(Id, Params),
get_dists_parameters(Ids, DistsInfo).
get_dist_params(Id, Params),
get_dists_parameters(Ids, DistsInfo).
finalize_bp_solver((BayesNet, _)) :-
delete_bayes_net(BayesNet).
free_bayesian_network(BayesNet).
inc_num_bayes_nets :-
retract(num_bayes_nets(Count0)),
Count is Count0 + 1,
assert(num_bayes_nets(Count)).
inc_network_counting :-
retract(network_counting(Count0)),
Count is Count0 + 1,
assert(network_counting(Count)).