Examples with Factor com.sri.ai.praise.core.representation.interfacebased.factor.api.Factor used on opensource projects

Example 26 with Factor

use of com.sri.ai.praise.core.representation.interfacebased.factor.api.Factor in project aic-praise by aic-sri-international.

the class EagerExactBPNodeEvaluator method function.

@Override
public Factor function(List<Factor> incomingMessages) {
    Factor product = computeProductOfFactorsAtRootAndIncomingMessages(incomingMessages);
    List<? extends Variable> variablesToBeSummedOut = determineVariablesToBeSummedOut.apply(product.getVariables());
    Factor result = sumOutWithBookkeeping.apply(variablesToBeSummedOut, product);
    result.setExplanation(makeExplanation(result, incomingMessages));
    return result;
}

Example 27 with Factor

use of com.sri.ai.praise.core.representation.interfacebased.factor.api.Factor in project aic-praise by aic-sri-international.

the class PerformanceTest method singleRunForUnaryFactorOperation.

private void singleRunForUnaryFactorOperation() {
    println("\n");
    println("==================================================================================================");
    println("||                                  Testing UNARY OPERATION                                     ||");
    println("==================================================================================================");
    println("  Test Parameters:");
    println("      number of variables = " + numberOfVariablesPerFactor);
    println("      variable cardinality = " + cardinalityOfVariables);
    println("==================================================================================================");
    SpecsForRandomTableFactorGeneration factorGenerationSpecs = new SpecsForRandomTableFactorGeneration(GLOBAL_TABLE_FACTOR_SPECS);
    List<Factor> factors = constructEquivalentRandomFactorsRepresentedInDifferentWays(factorGenerationSpecs);
    ArrayList<FactorOperationResultAndTimes> operationResultsAndTimes = recordTimesForFactorOperation(unaryFactorOperation, factors);
    printOperationResults(factors, operationResultsAndTimes);
    compareWithSimulatedContextSplittingTimesIfNeeded(operationResultsAndTimes);
    println("==================================================================================================");
    println();
}

Example 28 with Factor

use of com.sri.ai.praise.core.representation.interfacebased.factor.api.Factor in project aic-praise by aic-sri-international.

the class PerformanceTest method sumOutLastVariable.

private static Factor sumOutLastVariable(Factor factor) {
    List<? extends Variable> factorVariables = factor.getVariables();
    int indexOfLastVariable = factorVariables.size() - 1;
    List<Variable> variablesToSumOut = new ArrayList<>();
    if (factorVariables.size() > 0) {
        variablesToSumOut.add(factorVariables.get(indexOfLastVariable));
    }
    Factor result = factor.sumOut(variablesToSumOut);
    return result;
}

Example 29 with Factor

use of com.sri.ai.praise.core.representation.interfacebased.factor.api.Factor in project aic-praise by aic-sri-international.

the class PerformanceTest method constructEquivalentRandomFactorsRepresentedInDifferentWays.

// / FACTOR CONSTRUCTION METHODS ////////////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////////////////////////////////////////
private List<Factor> constructEquivalentRandomFactorsRepresentedInDifferentWays(SpecsForRandomTableFactorGeneration factorSpecs) {
    TableFactor tableFactor = makeRandomTableFactor(factorSpecs, FROM_VARIABLE_INDEX_TO_NAME, RANDOM);
    ArrayList<Factor> factors = new ArrayList<>(NUMBER_OF_TESTED_FACTORS);
    if (includeTableFactor) {
        addTableFactorToListOfFactors(tableFactor, factors);
    }
    if (includeTreeBasedExpressionFactors) {
        addTreeBasedExpressionFactorsToListOfFactors(tableFactor, factors);
    }
    if (includeLinearTableExpressionFactors) {
        addLinearTableExpressionFactorsToListOfFactors(tableFactor, factors);
    }
    return factors;
}

Example 30 with Factor

use of com.sri.ai.praise.core.representation.interfacebased.factor.api.Factor in project aic-praise by aic-sri-international.

the class PerformanceTest method sumOutLastHalfOfVariables.

private static Factor sumOutLastHalfOfVariables(Factor factor) {
    List<? extends Variable> variablesToSumOut = getLastHalfSubList(factor.getVariables());
    Factor result = factor.sumOut(variablesToSumOut);
    return result;
}