/*
* Carrot2 project.
*
* Copyright (C) 2002-2014, Dawid Weiss, Stanisław Osiński.
* All rights reserved.
*
* Refer to the full license file "carrot2.LICENSE"
* in the root folder of the repository checkout or at:
* http://www.carrot2.org/carrot2.LICENSE
*/
package org.carrot2.examples.core;
import java.util.HashMap;
import java.util.Map;
import org.carrot2.clustering.lingo.LingoClusteringAlgorithmDescriptor;
import org.carrot2.matrix.factorization.LocalNonnegativeMatrixFactorizationFactory;
import org.carrot2.matrix.factorization.IterationNumberGuesser.FactorizationQuality;
import org.carrot2.text.preprocessing.pipeline.CompletePreprocessingPipelineDescriptor;
import org.carrot2.text.vsm.TermDocumentMatrixBuilderDescriptor;
import org.carrot2.util.attribute.AttributeValueSet;
import org.carrot2.util.attribute.AttributeValueSets;
/**
* This example shows how to export a set of attribute values to XML. This code may come
* in handy when you cannot <a href="http://download.carrot2.org/head/manual/#section.customizing.component-suites-and-attributes.saving-with-workbench">use
* Carrot2 Document Clustering Workbench to save the attributes XML</a>.
*
* @see LoadingAttributeValuesFromXml
*/
public class SavingAttributeValuesToXml
{
public static void main(String [] args) throws Exception
{
// The label passed to the constructor does not affect the webapp
final AttributeValueSet attributeValueSet = new AttributeValueSet("Example set");
// Add all the attributes you want to change to a non-default value.
// You can use attribute keys from Workbench Attribute Info view or the manuals.
Map<String, Object> attributes = new HashMap<String, Object>();
LingoClusteringAlgorithmDescriptor
.attributeBuilder(attributes)
.desiredClusterCountBase(20)
.matrixReducer()
.factorizationQuality(FactorizationQuality.MEDIUM)
.factorizationFactory(LocalNonnegativeMatrixFactorizationFactory.class);
CompletePreprocessingPipelineDescriptor.attributeBuilder(attributes)
.documentAssigner()
.exactPhraseAssignment(true);
TermDocumentMatrixBuilderDescriptor
.attributeBuilder(attributes)
.titleWordsBoost(2.5);
attributeValueSet.setAttributeValues(attributes);
// We'll need to wrap the exported attribute values in a AttributeValueSets,
// even if we want to export just one set.
final AttributeValueSets attributeValueSets = new AttributeValueSets();
attributeValueSets.addAttributeValueSet("example-id", attributeValueSet);
attributeValueSets.serialize(System.out);
}
}