public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
//Look if the Article has a category
if (!preg_match("/" . WIKIMEDIA_CATEGORY . ":/", $pageID, $match)) {
//match all categories
if (preg_match_all("/\\[\\[" . WIKIMEDIA_CATEGORY . ":(.*)\\]\\]/", $pageSource, $matches, PREG_SET_ORDER)) {
//empty ClassArray
$this->ClassArray = array();
foreach ($matches as $match) {
//remove the category-label
$Category = preg_replace("/\\|.*/", "", $match[1]);
$query = "select Arg2 from facts where Relation = 'subClassOf' and Arg1 = 'wikicategory_" . mysql_escape_string(str_replace(" ", "_", $Category)) . "'";
$queryresult = mysql_query($query, $this->DBlink) or die("Anfrage fehlgeschlagen: " . mysql_error());
while ($row = mysql_fetch_array($queryresult, MYSQL_ASSOC)) {
$this->ClassArray[$row["Arg2"]] = true;
}
}
foreach ($this->ClassArray as $subject => $bool) {
$YagoClass = str_replace("wordnet_", "", $subject);
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI(RDF_TYPE, false), RDFtriple::URI(DB_YAGO_NS . $this->camel($YagoClass, "_")));
}
}
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
$pageID = encodeLocalName($pageID);
// Remove Template as this is already extracted by the Infobox Extractor
// Find subtemplates and remove Subtemplates, which are listed as ignored!
preg_match_all('~\\{((?>[^{}]+)|(?R))*\\}~x', $pageSource, $subTemplates);
foreach ($subTemplates[0] as $key => $subTemplate) {
$subTemplate = preg_replace("/(^\\{\\{)|(\\}\\}\$)/", "", $subTemplate);
// Cut Brackets / {}
$pageSource = str_replace('{{' . $subTemplate . '}}', '', $pageSource);
}
// Extract internal Semantic Links
$findSemanticLinks = preg_match_all('/(\\[\\[)([a-zA-z0-9\\- _]+)(::)([^\\]]+)\\]\\]/', $pageSource, $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$result->addTriple(RDFtriple::page($pageID), RDFtriple::predicate(encodeLocalName($match[2])), RDFtriple::page($match[4]));
}
// Extract Literals
$findSemanticLinks = preg_match_all('/(\\[\\[)([a-zA-Z\\-_ ]+)(:=)([^\\]]+)\\]\\]/', $pageSource, $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$triple = array();
$triple = parseAttributeValue($match[4], $pageID, $match[2]);
// object, object_is, datatype(, language)
$lexicalForm = $triple[0];
$datatype = $triple[2];
$predicate = propertyToCamelCase(encodeLocalName($match[2]));
// Continue if empty String
if ($lexicalForm == null) {
continue;
}
$result->addTriple(RDFtriple::page($pageID), RDFTriple::predicate($predicate), RDFtriple::literal($lexicalForm, $datatype, 'en'));
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
$category = Util::getMediaWikiNamespace($this->language, MW_CATEGORY_NAMESPACE);
if (preg_match_all("/" . $category . ":(.*)/", $pageID, $match)) {
$result->addTriple($this->getPageURI(), RDFtriple::URI(SKOS_PREFLABEL, false), RDFtriple::Literal($this->decode_title($pageTitle), NULL, $this->language));
$result->addTriple($this->getPageURI(), RDFtriple::URI(RDF_TYPE, false), RDFtriple::URI(SKOS_CONCEPT, false));
if (preg_match_all("/\\[\\[" . $category . ":(.*)\\]\\]/", $pageSource, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
// split on | sign
if (strpos($match[1], '|') === false) {
$object = Util::getDBpediaCategoryPrefix($this->language) . URI::wikipediaEncode($match[1]);
} else {
$split = explode('|', $match[1]);
$object = Util::getDBpediaCategoryPrefix($this->language) . URI::wikipediaEncode($split[0]);
}
try {
$object = RDFtriple::URI($object);
} catch (Exception $e) {
echo 'Caught exception: ', $e->getMessage(), "\n";
continue;
}
$result->addTriple($this->getPageURI(), RDFtriple::URI(SKOS_BROADER, false), $object);
}
}
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
$CleanSource = $this->remove_wikicode($pageSource);
$LongAbstract = $this->extract_abstract($CleanSource, 3000, false, false);
$result->addTriple(RDFtriple::page($pageID), RDFtriple::predicate("abstract"), RDFtriple::Literal($LongAbstract, NULL, $this->language));
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
if ($this->language == "en") {
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI("http://xmlns.com/foaf/0.1/page"), RDFtriple::URI("http://wikicompany.org/wiki/" . URI::wikipediaEncode($pageTitle)));
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
if ($this->decode_title($pageTitle) == NULL) {
return $result;
}
$result->addTriple($this->getPageURI(), RDFtriple::URI(RDFS_LABEL, false), RDFtriple::Literal($this->decode_title($pageTitle), NULL, $this->language));
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
$CleanSource = $this->remove_wikicode($pageSource);
$Abstract = $this->extract_abstract($CleanSource);
//$LongAbstract = $this->extract_abstract($CleanSource, 3000, false, false);
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI("http://www.w3.org/2000/01/rdf-schema#comment"), RDFtriple::Literal($Abstract, NULL, $this->language));
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
$pageID = encodeLocalName($pageID);
// Extract Wikipedia Link
if (preg_match('/\\{\\{wikipedia\\-c(\\-note)?\\}\\}/', $pageSource)) {
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI("http://www.w3.org/2002/07/owl#sameAs"), RDFtriple::URI("http://dbpedia.org/resource/" . $pageID));
}
return $result;
}
public function getPredicateTriples()
{
$predicateTriples = new ExtractionResult($this->pageID, $this->language, $this->extractorID);
foreach ($this->predicates as $subject => $bool) {
// array_push( $predicateTriples, new RDFtriple($subject, "http://www.w3.org/1999/02/22-rdf-syntax-ns#type", "http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"));
$predicateTriples->addTriple(RDFtriple::URI($subject), RDFtriple::URI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"), RDFtriple::URI("http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"));
$predicateTriples->addTriple(RDFtriple::URI($subject), RDFtriple::URI("http://www.w3.org/2000/01/rdf-schema#label"), RDFtriple::Literal($this->getPredicateLabel($subject)));
}
return $predicateTriples;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
$link = $this->findLink($pageSource);
if ($link) {
$this->log(DEBUG, "Found link {$link}");
$result->addTriple($this->getPageURI(), RDFtriple::URI(FOAF_HOMEPAGE, false), RDFtriple::URI($link, false));
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
$pagelinks = $this->extract_internal_links($pageSource, $this->language);
//var_dump($pagelinks);
foreach ($pagelinks as $LinkURI) {
$result->addTriple(RDFTriple::page($pageID), RDFTriple::predicate("wikilink"), RDFTriple::page($LinkURI));
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
$image_ar = $this->extract_image_url($pageSource);
$image = ucfirst($image_ar[0]);
$width = $image_ar[1];
if ($image == null) {
return $result;
}
$ImageURL = $this->make_image_url($image, false, true);
$ImageURLSmall = $this->make_image_url($image, $width);
$image = str_replace(" ", "_", trim($image));
if (!URI::validate($ImageURL) || !URI::validate($ImageURLSmall)) {
return $result;
}
// Add fullsize image
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI(FOAF_DEPICTION), RDFtriple::URI($ImageURL));
// Add depiction has thumbnail
$result->addTriple(RDFtriple::URI($ImageURL), RDFtriple::URI(FOAF_THUMBNAIL), RDFtriple::URI($ImageURLSmall));
// Add object has thumbnail
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI(DBO_THUMBNAIL), RDFtriple::URI($ImageURLSmall));
// add triples linking back to the Wikipedia image description
$image = urlencode($image);
$wikipediaImageDescription = 'http://' . $this->language . '.wikipedia.org/wiki/Image:' . $image;
$result->addTriple(RDFtriple::URI($ImageURLSmall), RDFtriple::URI(DC_RIGHTS), RDFtriple::URI($wikipediaImageDescription));
$result->addTriple(RDFtriple::URI($ImageURL), RDFtriple::URI(DC_RIGHTS), RDFtriple::URI($wikipediaImageDescription));
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
// language code in URI uses '-', not '_'
$language = str_replace('_', '-', $this->language);
$subject = $this->getPageURI();
$predicate = $language == 'en' ? RDFtriple::predicate("wikipage-" . $language) : RDFtriple::URI(FOAF_PAGE, false);
$object = RDFtriple::URI("http://" . $language . ".wikipedia.org/wiki/" . URI::wikipediaEncode($pageTitle));
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
$result->addTriple($subject, $predicate, $object);
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
// Add fullsize image
$ImageURL = $this->extract_image_url($pageSource, $pageTitle);
if ($ImageURL == null || !URI::validate($ImageURL)) {
return $result;
}
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI("http://xmlns.com/foaf/0.1/depiction"), RDFtriple::URI($ImageURL));
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
$extlinks = $this->extract_external_links($pageSource, $this->language);
while (list($ExtURL, $ExtName) = each($extlinks)) {
if (!URI::validate($ExtURL)) {
continue;
}
$result->addTriple(RDFtriple::page($pageID), RDFtriple::predicate("reference"), RDFtriple::URI($ExtURL));
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$org_language = $this->language;
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
$query = "select page_title, page_namespace, ll.ll_lang,replace(trim(ll_title), ' ', '_')as lang_title from page p inner join langlinks ll on p.page_id = ll.ll_from where p.page_title= '" . mysql_escape_string($pageID) . "' and p.page_namespace <> 14";
$queryresult = mysql_query($query, $this->DBlink) or die(" search unsuccessful: " . mysql_error());
while ($row = mysql_fetch_array($queryresult, MYSQL_ASSOC)) {
//$object="http://xxx.dbpedia.org/resource/".URI::wikipediaEncode($row["lang_title"] );
$result->addTriple(RDFtriple::URI("http://" . $org_language . ".dbpedia.org/resource/" . URI::wikipediaEncode($pageID)), RDFtriple::URI(OWL_SAMEAS, false), RDFtriple::URI("http://" . $row["ll_lang"] . ".dbpedia.org/resource/" . URI::wikipediaEncode($row["lang_title"])));
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
if ($this->language == "en") {
$query = "select wsl.url from templatelinks tl inner join page p on p.page_id = tl.tl_from\r\n\t\t\t\t\t\tinner join dbpedia_develop.wordnet_mapping wm on tl.tl_title = wm.infobox\r\n\t\t\t\t\t\tinner join dbpedia_develop.wordnet_synsets_links wsl on wm.ID1 = wsl.synset30ID\r\n\t\t\t\t\t\twhere p.page_title = '" . mysql_escape_string($pageID) . "' and p.page_namespace = 0";
$queryresult = mysql_query($query, $this->DBlink) or die("Query failed:\n{$query}\n" . mysql_error());
while ($row = mysql_fetch_array($queryresult, MYSQL_ASSOC)) {
$result->addTriple(RDFtriple::page($pageID), RDFtriple::predicate("wordnet_type"), RDFtriple::URI($row["url"]));
}
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
// Locate geo coordinates
if (preg_match('/<geo>([\\-0-9\\.]+);([\\-0-9\\.]+)[^0-9]*[^<]*<\\/geo>/', $pageSource, $match)) {
$lat = $match[1];
$long = $match[2];
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI("http://www.w3.org/2003/01/geo/wgs84_pos#lat"), RDFtriple::Literal($lat, "http://www.w3.org/2001/XMLSchema#float", NULL));
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI("http://www.w3.org/2003/01/geo/wgs84_pos#long"), RDFtriple::Literal($long, "http://www.w3.org/2001/XMLSchema#float", NULL));
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
if (!preg_match("/Category:/", $pageID, $match)) {
if (preg_match_all("/\\[\\[Category:(.*)\\]\\]/", $pageSource, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$Category = preg_replace("/\\|.*/", "", $match[1]);
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI("http://www.w3.org/2004/02/skos/core#subject"), RDFtriple::page("Category:" . $Category));
}
}
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
if (preg_match_all("/Category:(.*)/", $pageID, $match)) {
$result->addTriple(RDFTriple::page($pageID), RDFTriple::URI("http://www.w3.org/2004/02/skos/core#prefLabel"), RDFTriple::Literal($this->decode_title($pageTitle), NULL, $this->language));
$result->addTriple(RDFTriple::page($pageID), RDFTriple::URI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"), RDFTriple::URI("http://www.w3.org/2004/02/skos/core#Concept"));
if (preg_match_all("/\\[\\[Category:(.*)\\]\\]/", $pageSource, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$result->addTriple(RDFTriple::page($pageID), RDFTriple::URI("http://www.w3.org/2004/02/skos/core#broader"), RDFTriple::page("Category:" . $match[1]));
}
}
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
//create a new Extraction Result to hold all extrated Triples
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
//Look for {{chembox header}} in PageSource
if (preg_match("/{{chembox header}}/", $pageSource, $match)) {
//DO SOME PARSING
//Add a Triple for each Property
$result->addTriple($this->getPageURI(), RDFtriple::URI(DB_MY_CHEM_PROPERTY, false), RDFtriple::Literal("my_value"));
//Add each Predicate to the Predicate Collection
$this->allPredicates->addPredicate("my_chem_property");
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
$extlinks = $this->extract_external_links($pageSource, $this->language);
while (list($ExtURL, $ExtName) = each($extlinks)) {
// Replace single quotes with %27
$ExtURL = str_replace("'", "%27", $ExtURL);
$ExtURL = str_replace("\\", "\\\\", $ExtURL);
if (!URI::validate($ExtURL)) {
continue;
}
$result->addTriple($this->getPageURI(), RDFtriple::URI(DB_REFERENCE, false), RDFtriple::URI($ExtURL));
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
$pagelinks = $this->extract_internal_links($pageSource, $this->language);
//var_dump($pagelinks);
$pagelinks = array_unique($pagelinks);
foreach ($pagelinks as $LinkURI) {
$object = DB_RESOURCE_NS . ucfirst(URI::wikipediaEncode($LinkURI));
try {
$object = RDFtriple::URI($object);
} catch (Exception $e) {
$this->log('warn', 'Caught exception: ', $e->getMessage(), "\n");
continue;
}
$result->addTriple($this->getPageURI(), RDFtriple::URI(DB_WIKILINK, false), $object);
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
global $pagetitle;
// Needed for Imageextraction in catchObjectDatatype.php (catchLogo());
$pagetitle = $pageTitle;
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
global $parseResult;
// Contains the Extraction result
$parseResult = null;
parsePage($pageID, $pageSource);
if (count($parseResult) < 1) {
return $result;
}
$knownProperties = array($parseResult[0][1]);
foreach ($parseResult as $myTriple) {
$subject = RDFtriple::URI($myTriple[0]);
// Rename Properties like LeaderName1, LeaderName2, ... to LeaderName
if (preg_match("/(.*[^0-9_]+)([0-9])\$/", $myTriple[1], $matches)) {
$key = array_search($matches[1], $knownProperties);
if ($key) {
$myTriple[1] = $knownProperties[$key];
} else {
array_push($knownProperties, $matches[1]);
}
$myTriple[1] = $matches[1];
} else {
if (!array_search($myTriple[1], $knownProperties)) {
array_push($knownProperties, $myTriple[1]);
}
}
$predicate = RDFtriple::URI($myTriple[1]);
if ($myTriple[3] == "r") {
$object = RDFtriple::URI($myTriple[2]);
} else {
if ($myTriple[5] == null) {
$myTriple[5] = $this->language;
}
$object = RDFtriple::literal($myTriple[2], $myTriple[4], $myTriple[5]);
}
$result->addTriple($subject, $predicate, $object);
$this->allPredicates->addPredicate($myTriple[1]);
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, self::extractorID);
$foundLinks = array();
/* Look in infoboxes */
$infoboxes = $this->getInfoboxes($pageSource);
foreach ($infoboxes[1] as $box) {
$boxProperties = $this->getBoxProperties($box, true);
foreach ($this->knownHomepagePredicates as $pred) {
$key = strtolower(urldecode($pred));
if (isset($boxProperties[$key])) {
$foundLinks[] = $this->parseURL($boxProperties[$key], true);
if (HomepageExtractor::enableDebug) {
echo "<h3>Found box property '" . $pred . "'</h3>";
}
}
}
}
/* Process "External links" */
if (isset($this->externalLinkSections[$this->language])) {
preg_match('/(==+\\s*' . $this->externalLinkSections[$this->language] . '\\s*==+(?:.(?!==+[^=]+==+))*)/s', $pageSource, $matches);
preg_match_all('/\\*\\s*([^\\n]*)/', $matches[1], $links);
$linkDesignationsPattern = '/\\b(' . implode('|', $this->knownLinkDesignations) . ')\\b/i';
foreach ($links[1] as $link) {
if (preg_match($linkDesignationsPattern, $link)) {
$foundLinks[] = $this->parseURL($link, true);
}
}
}
$numResults = 0;
foreach ($foundLinks as $link) {
if (URI::validate($link)) {
if (HomepageExtractor::enableDebug) {
echo "<h3>Found link {$link}</h3>";
}
/* Only process the first result */
if (++$numResults == 1) {
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI("http://xmlns.com/foaf/0.1/homepage"), RDFtriple::URI($link));
}
}
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
$res = mysql_query("SELECT page_id from page WHERE page_title='" . mysql_real_escape_string($pageTitle, $this->link) . "' and page_namespace=0 and page_is_redirect=0", $this->link);
$rows = mysql_fetch_array($res);
$realID = $rows['page_id'];
$tempExtractionResult = $this->extractClasses($pageTitle, $realID);
for ($i = 0; $i < count($tempExtractionResult); $i++) {
if (isset($tempExtractionResult[$i]['object']) && strlen($tempExtractionResult[$i]['object']) > 0) {
if (!isset($tempExtractionResult[$i]['datatype']) || strlen($tempExtractionResult[$i]['datatype']) == 0) {
$result->addTriple(RDFtriple::URI('http://dbpedia.org/resource/' . urlencode($tempExtractionResult[$i]['subject'])), RDFtriple::URI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"), RDFtriple::URI('http://dbpedia.org/resource/' . urlencode($tempExtractionResult[$i]['object'])));
} else {
$result->addTriple(RDFtriple::URI('http://dbpedia.org/resource/' . urlencode($tempExtractionResult[$i]['subject'])), RDFtriple::URI($tempExtractionResult[$i]['predicate']), RDFtriple::literal($tempExtractionResult[$i]['object'], $tempExtractionResult[$i]['datatype']));
}
}
}
// end for extractionResult
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
if (Util::isRedirect($pageSource, $this->language)) {
if (preg_match("/\\[\\[(.*?)\\]\\]/", $pageSource, $matches) === 1) {
try {
$s = $this->getPageURI();
$p = RDFtriple::URI(DB_REDIRECT, false);
$o = RDFtriple::page($this->getLinkForLabeledLink($matches[1]));
$result->addTriple($s, $p, $o);
} catch (Exception $e) {
// exception is thrown when URIs are not valid, in this case we just
// do nothing i.e. do not write the triple
$this->log(INFO, $o->getURI() . ' is an invalid uri');
}
}
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
global $MEDIAWIKI_DISAMBIGUATIONS_EXTENSION;
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
if (Util::isDisambiguation($pageSource, $this->language)) {
// use only links that include the name of the current page and don't include a namespace.
// Example: http://en.wikipedia.org/wiki/User
// - we omit [[Wikipedia:Username policy]]
// - we include [[User (computing)]] and many others
// - TODO: we should include [[Consumer]], but don't - it doesn't include "user"
if (isset($MEDIAWIKI_DISAMBIGUATIONS_EXTENSION[$this->language])) {
foreach ($MEDIAWIKI_DISAMBIGUATIONS_EXTENSION[$this->language] as $disambig) {
if (strpos($pageID, $disambig)) {
$pageIDClean = str_replace('_(' . $disambig . ')', '', $pageID);
}
}
} else {
$pageIDClean = str_replace('_(disambiguation)', '', $pageID);
}
if (!isset($pageIDClean)) {
$pageIDClean = "";
$warn = "pageidclean not set";
}
$regex = '/\\[\\[([^:\\[\\]]*?' . preg_quote($pageIDClean) . '[^\\[\\]]*?)\\]\\]/i';
if (preg_match_all($regex, $pageSource, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$object = DB_RESOURCE_NS . URI::wikipediaEncode($this->getLinkForLabeledLink($match[1]));
try {
$object = RDFtriple::URI($object);
} catch (Exception $e) {
$this->log('warn', 'Caught exception: ' . $e->getMessage() . "\n");
continue;
}
$result->addTriple(RDFtriple::page($pageID), RDFtriple::URI(DB_DISAMBIGUATES, false), $object);
}
}
}
if (isset($warn)) {
$this->log('warn', $warn . " {$pageID} \n");
}
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
//TODO image namespace
$text = $pageSource;
//TODO not sure what to take as magic number here:
// 4096 was to short, e.g. inappropriate for london
$text = substr($text, 0, 8192);
$text = self::stripMarkup($text);
//TODO REMOVE THIS LINE FOR DEBUGGING:
$text = $this->_exceptions($text);
//2 is probalby perfect, since it guarantuees a certain lentgh
$firstTwoSentences = $this->_extractStart($text, 2);
//better than nothing
$fullabstract = $firstTwoSentences;
//this is crazy code as it could also be 0
//it is a heuristical approach to nicen the abstracts.
// take anything until you find '=='
if (($pos = strpos($text, '==')) !== false) {
$fullabstract = trim(substr($text, 0, $pos));
} else {
$fullabstract = trim($text);
}
if (!empty($firstTwoSentences)) {
$s = $this->getPageURI();
$p = RDFtriple::URI(DBCOMM_COMMENT, false);
$o = RDFtriple::Literal($firstTwoSentences, NULL, $this->language);
$this->log('debug', 'Found: ' . $s->toString() . " " . $p->toString() . " " . $o->toString());
$result->addTriple($s, $p, $o);
}
if (!empty($fullabstract)) {
$s = $this->getPageURI();
$p = RDFtriple::URI(DBCOMM_ABSTRACT, false);
$o = RDFtriple::Literal($fullabstract, NULL, $this->language);
$this->log('debug', 'Found: ' . $s->toString() . " " . $p->toString() . " " . $o->toString());
$result->addTriple($s, $p, $o);
}
//TODO $clipped = substr( $extract, 0, 1024 );
//TODO UtfNormal::cleanUp( $clipped ); in include/normal/UtfNormal
return $result;
}
public function extractPage($pageID, $pageTitle, $pageSource)
{
$category = Util::getMediaWikiNamespace($this->language, MW_CATEGORY_NAMESPACE);
$result = new ExtractionResult($pageID, $this->language, $this->getExtractorID());
if (!preg_match("/" . $category . ":/", $pageID, $match)) {
if (preg_match_all("/\\[\\[" . $category . ":(.*)\\]\\]/U", $pageSource, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$Category = preg_replace("/\\|.*/", "", $match[1]);
$object = Util::getDBpediaCategoryPrefix($this->language) . URI::wikipediaEncode($Category);
try {
$object = RDFtriple::URI($object);
} catch (Exception $e) {
$this->log(WARN, 'Caught exception: ', $e->getMessage(), "\n");
continue;
}
$result->addTriple($this->getPageURI(), RDFtriple::URI(SKOS_SUBJECT, false), $object);
}
}
}
return $result;
}