/**
* Main method, which loads the configuration and maps all source files.
*/
public function start()
{
$startTime = microtime(true);
$this->context = new ExtractionContext();
//Create sources
$this->ontologySource = new FileSource(self::ONTOLOGY_DIR, array('.svn'));
$this->mappingsSource = new FileSource(self::MAPPINGS_DIR, array('.svn'));
$this->pageSource = new FileSource(self::SOURCE_DIR, array('.svn'));
$this->templatesSource = new FileSource(self::SOURCE_DIR, array(WikiTitle::NS_TEMPLATE));
//$this->pageSource = new XMLSource("D:\enwiki-latest-pages-articles.xml");
//$this->templatesSource = new XMLSource("D:\enwiki-latest-pages-articles.xml");
//Create destinations
$destination = new FileQuadDestination(self::OUTPUT_FILE);
$destinations = new SingletonQuadDestinations($destination);
$this->context->setDestinations($destinations);
//Load redirects
$this->redirects = $this->loadRedirects();
$this->context->setRedirects($this->redirects);
//Load ontology and mappings
$this->loadOntology();
$this->loadMappings();
//Add extractors
$this->extractor->addExtractor(LabelExtractor::load($this->ontology, $this->context));
$this->extractor->addExtractor(GeoExtractor::load($this->ontology, $this->context));
$this->extractor->addExtractor(AbstractExtractor::load($this->ontology, $this->context));
//Extract
$destination->open();
$this->extract();
$destination->close();
$stopTime = microtime(true);
echo "Total time: " . ($stopTime - $startTime);
}
/**
*
* @param $abstracts should AbstractExtractor be added?
* TODO: Create an interface ExtractorBuilder with methods addProperties() and createExtractor().
* Give this method an array of ExtractorBuilders.
*/
public function loadMappings($ontology, $context, $abstracts = true)
{
$mappingPages = $this->loadAllPages($this->mappingDir);
$extractor = new ExtractionManager();
$extractor->addExtractor(MappingExtractor::load($mappingPages, $ontology, $context));
$extractor->addExtractor(\dbpedia\mapping\LabelExtractor::load($ontology, $context));
if ($abstracts) {
$extractor->addExtractor(\dbpedia\mapping\AbstractExtractor::load($ontology, $context));
}
$this->destroyAllPages($mappingPages);
return $extractor;
}
