/**
* find candidate ontology elements
*
* @return
*/
private List<OntologyElement> findCandidates(SemanticConcept sc, String text) throws Exception {
// Set<String> allSuggestions = new HashSet<String>();
OntologyElement el = sc.getOntologyElement();
// what is the population of california?
// what is the population of cities in california?
// what is the highest point of california?
// String uri = null;
Set<String> classUris = new HashSet<String>();
if (el instanceof InstanceElement) {
List<String> allClassUris = ((InstanceElement) el).getClassURIList();
logger.info("There were:" + allClassUris.size() + " direct types");
// classUris = filterDirectTypes(allClassUris);
classUris = new HashSet(allClassUris);
logger.info("There is NO FILTERING of direct types...");
} else if (el instanceof InstanceListElement) {
List allClassUris = ((InstanceListElement) el).getClassURIList();
logger.info("There were:" + allClassUris.size() + " direct types");
// classUris = filterDirectTypes(allClassUris);
classUris = new HashSet(allClassUris);
logger.info("There is NO FILTERING of direct types...");
} else if (el instanceof ClassElement) {
String uri = ((SerializableURI) el.getData()).toString();
classUris.add(uri);
logger.info("NN is class" + uri);
} else if (el instanceof DatatypePropertyValueElement) {
logger.info("NN is DPVE " + el.getData());
return findCandidatesForADTPV(((DatatypePropertyValueElement) el), text);
} else if (el instanceof PropertyElement) {
logger.info("NN is property " + el.getData());
return findCandidatesForAProperty(((PropertyElement) el), text);
}
Set<OntologyElement> elements = new HashSet<OntologyElement>();
Set<String> listOfPotentialCandidates = new HashSet<String>();
Set<String> classes = new HashSet<String>();
long start = System.currentTimeMillis();
for (String uri : classUris) {
// //////////properties first//////////////////////////
listOfPotentialCandidates = findCandidatesForClass(uri);
elements.addAll(returnPropertyElements(listOfPotentialCandidates));
// allSuggestions.addAll(listOfPotentialCandidates);
}
logger.info("Found " + elements.size() + " elements so far.");
// ////////////////////////////////////
for (String uri : classUris) {
classes.addAll(
luceneAnnotator.getNeighbouringClassesWhereGivenClassIsADomain(uri, forceSuperClasses));
logger.info("Found " + classes.size() + " class candidates from IsADomain method.");
classes.addAll(
luceneAnnotator.getNeighbouringClassesWhereGivenClassIsARange(uri, forceSuperClasses));
logger.info(
"Found more, now total: "
+ classes.size()
+ " class candidates from IsADomain and isARange method.");
}
Set<String> filteredClasses = new HashSet<String>();
for (String t : classes) {
if (!isInIgnoreNameSpaceList(t)) {
filteredClasses.add(t);
}
}
elements.addAll(returnClassElements(filteredClasses));
long end = System.currentTimeMillis();
logger.info(
"Found "
+ elements.size()
+ " cadidates for "
+ classUris.size()
+ " classes for "
+ (end - start)
+ "ms.");
return new ArrayList(elements);
}
/**
* @param property
* @param text
* @return
*/
private List<OntologyElement> findCandidatesForAProperty(PropertyElement property, String text)
throws Exception {
// Set<String> allSuggestions = new HashSet<String>();
String uri = ((SerializableURI) property.getData()).toString();
logger.debug("Finding candidates for property:" + property.getData().toString());
// all elements
List<OntologyElement> elements = new ArrayList<OntologyElement>();
// feed classes: these are used to find more suggestions but they are also
// added to the list!
Set<String> feedClasses = new HashSet<String>();
Set<String> properties = new HashSet<String>();
Set<String> allClasses = new HashSet<String>();
Set<String> rangeClasses = luceneAnnotator.findPropertyRange(uri);
feedClasses.addAll(rangeClasses);
logger.debug("getRangeClassesForProperty:" + uri + " found " + rangeClasses.size());
Set<String> domainClasses = luceneAnnotator.findPropertyDomain(uri);
feedClasses.addAll(domainClasses);
logger.debug("getDomainClassesForProperty:" + uri + " found " + domainClasses.size());
if (feedClasses == null || feedClasses.size() <= 1) {
// find top classes
logger.debug("Number of feed classes is 0....forceSuggestions=" + forceSuggestions);
if (new Boolean(forceSuggestions).booleanValue() == true) {
feedClasses.addAll(luceneAnnotator.findClassURIs());
}
}
// a onda za te classes nadji properties where class is a domain/range
for (String classUri : feedClasses) {
properties.addAll(
luceneAnnotator.getDefinedPropertiesWhereClassIsADomain(classUri, forceSuperClasses));
properties.addAll(
luceneAnnotator.getDefinedPropertiesWhereClassIsARange(classUri, forceSuperClasses));
}
//
if (new Boolean(forceSuggestions).booleanValue() == true) {
logger.info(
"cheating!!!!!!!!!!!!!!!!!!!!!!!!!!! here you should not get ALL properties but only relevant ones");
Set<String> datatypePropertiesList = luceneAnnotator.findDatatypePropertyURIs();
Set<String> objectPropertiesList = luceneAnnotator.findObjectPropertyURIs();
Set<String> rdfPropertiesList = luceneAnnotator.findRDFPropertyURIs(null);
properties.addAll(datatypePropertiesList);
properties.addAll(objectPropertiesList);
properties.addAll(rdfPropertiesList);
}
Set<String> filteredProperties = new HashSet<String>();
for (String t : properties) {
if (!isInIgnoreNameSpaceList(t)) {
filteredProperties.add(t);
}
}
// add datatype properties which do not have domain defined: mb endDate
// beginDate
// String table = getSparqlUtils().getDatatypePropertiesNoDomain();
// properties.addAll(gate.freya.util.StringUtil.fromStringToSet(table));
elements.addAll(returnPropertyElements(filteredProperties));
for (String classUri : feedClasses) {
allClasses.addAll(
luceneAnnotator.getNeighbouringClassesWhereGivenClassIsADomain(
classUri, forceSuperClasses));
allClasses.addAll(
luceneAnnotator.getNeighbouringClassesWhereGivenClassIsARange(
classUri, forceSuperClasses));
}
Set<String> filteredFeedClasses = new HashSet<String>();
for (String t : feedClasses) {
if (!isInIgnoreNameSpaceList(t)) {
filteredFeedClasses.add(t);
}
}
allClasses.addAll(filteredFeedClasses);
elements.addAll(returnClassElements(allClasses));
return elements;
}
