Examples of JunctionTreeBuilder


Examples of org.drools.beliefs.bayes.JunctionTreeBuilder

    }

    @Override
    public void addResource(KnowledgeBuilder kbuilder, Resource resource, ResourceType type, ResourceConfiguration configuration) throws Exception {
        BayesNetwork network;
        JunctionTreeBuilder builder;

        Bif bif = XmlBifParser.loadBif(resource, kbuilder.getErrors());
        if (bif == null) {
            return;
        }

        try {
            network = XmlBifParser.buildBayesNetwork(bif);
        } catch (Exception e) {
            kbuilder.getErrors().add(new BayesNetworkAssemblerError(resource, "Unable to parse opening Stream:\n" + e.toString()));
            return;
        }

        try {
            builder = new JunctionTreeBuilder(network);
        catch ( Exception e ) {
            kbuilder.getErrors().add(new BayesNetworkAssemblerError(resource, "Unable to build Junction Tree:\n" + e.toString()));
            return;
        }

        KnowledgeBuilderImpl kbuilderImpl = (KnowledgeBuilderImpl) kbuilder;
        PackageRegistry pkgReg = kbuilderImpl.getPackageRegistry( network.getPackageName() );
        if ( pkgReg == null ) {
            pkgReg = kbuilderImpl.newPackage( new PackageDescr( network.getPackageName() ) );
        }

        InternalKnowledgePackage kpkgs = pkgReg.getPackage();




        Map<ResourceType, ResourceTypePackage> rpkg = kpkgs.getResourceTypePackages();
        BayesPackage bpkg = (BayesPackage) rpkg.get(ResourceType.BAYES);
        if ( bpkg == null ) {
            bpkg = new BayesPackage();
            rpkg.put(ResourceType.BAYES, bpkg);
        }
        bpkg.addJunctionTree(network.getName(), builder.build());
    }
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Examples of org.drools.beliefs.bayes.JunctionTreeBuilder

        cloudyNode.setContent(cloudy);
        sprinklerNode.setContent( sprinkler);
        rainNode.setContent( rain );
        wetGrassNode.setContent( wetGrass );

        JunctionTreeBuilder jtBuilder = new JunctionTreeBuilder( graph );
        jTree = jtBuilder.build();
    }
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Examples of org.drools.beliefs.bayes.JunctionTreeBuilder

        assertArray(new double[]{1.0, 0.0, 0.1, 0.9, 0.1, 0.9, 0.01, 0.99   }, scaleDouble( 3, jtNode.getPotentials() ));
    }

    @Test
    public void testNoEvidence() {
        JunctionTreeBuilder jtBuilder = new JunctionTreeBuilder( graph );
        JunctionTree jTree = jtBuilder.build();

        JunctionTreeClique jtNode = jTree.getRoot();
        BayesInstance bayesInstance = new BayesInstance(jTree);
        bayesInstance.globalUpdate();
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Examples of org.drools.beliefs.bayes.JunctionTreeBuilder

        assertArray( new double[]{0.353, 0.647},  scaleDouble( 3,  bayesInstance.marginalize("WetGrass").getDistribution() ) );
    }

    @Test
    public void testGrassWetEvidence() {
        JunctionTreeBuilder jtBuilder = new JunctionTreeBuilder( graph );
        JunctionTree jTree = jtBuilder.build();

        JunctionTreeClique jtNode = jTree.getRoot();
        BayesInstance bayesInstance = new BayesInstance(jTree);

        bayesInstance.setLikelyhood( "WetGrass", new double[]{1.0, 0.0} );
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Examples of org.drools.beliefs.bayes.JunctionTreeBuilder

        assertArray( new double[]{1.0, 0.0},  scaleDouble( 3,  bayesInstance.marginalize("WetGrass").getDistribution() ) );
    }

    @Test
    public void testSprinklerEvidence() {
        JunctionTreeBuilder jtBuilder = new JunctionTreeBuilder( graph );
        JunctionTree jTree = jtBuilder.build();

        JunctionTreeClique jtNode = jTree.getRoot();
        BayesInstance bayesInstance = new BayesInstance(jTree);

        bayesInstance.setLikelyhood( "Sprinkler", new double[]{1.0, 0.0} );
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Examples of org.drools.beliefs.bayes.JunctionTreeBuilder

        earthquakeNode.setContent(earthquake);
        alarmNode.setContent(alarm);
        johnCallsNode.setContent(johnCalls);
        maryCallsNode.setContent(maryCalls);

        JunctionTreeBuilder jtBuilder = new JunctionTreeBuilder(graph);
        jTree = jtBuilder.build();
        //jTree.initialize();

        jtNode1 = jTree.getRoot();
        jtNode2 = jtNode1.getChildren().get(0).getChild();
        jtNode3 = jtNode1.getChildren().get(1).getChild();
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