Java Code Examples for com.hp.hpl.jena.rdf.model.Model#listStatements()
The following examples show how to use
com.hp.hpl.jena.rdf.model.Model#listStatements() .
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Example 1
| Source File: VocabularySummarizer.java From GeoTriples with Apache License 2.0 | 6 votes |
|
public Collection<Resource> getUndefinedResources(Model model) {
Set<Resource> result = new HashSet<Resource>();
StmtIterator it = model.listStatements();
while (it.hasNext()) {
Statement stmt = it.nextStatement();
if (stmt.getSubject().isURIResource()
&& stmt.getSubject().getURI().startsWith(namespace)
&& !resources.contains(stmt.getSubject())) {
result.add(stmt.getSubject());
}
if (stmt.getPredicate().equals(RDF.type)) continue;
if (stmt.getObject().isURIResource()
&& stmt.getResource().getURI().startsWith(namespace)
&& !resources.contains(stmt.getResource())) {
result.add(stmt.getResource());
}
}
return result;
}
Example 2
| Source File: SparqlExtractor.java From wandora with GNU General Public License v3.0 | 6 votes |
|
public void RDF2TopicMap(Model model, TopicMap map) {
// list the statements in the Model
StmtIterator iter = model.listStatements();
Statement stmt = null;
int counter = 0;
while (iter.hasNext() && !forceStop()) {
try {
stmt = iter.nextStatement(); // get next statement
handleStatement(stmt, map);
}
catch(Exception e) {
log(e);
}
counter++;
setProgress(counter);
if(counter % 100 == 0) hlog("RDF statements processed: " + counter);
}
log("Total RDF statements processed: " + counter);
}
Example 3
| Source File: TrigUtil.java From EventCoreference with Apache License 2.0 | 6 votes |
|
static public ArrayList<String> getAllEntityEvents (Dataset dataset, String entity) {
ArrayList<String> events = new ArrayList<String>();
Iterator<String> it = dataset.listNames();
while (it.hasNext()) {
String name = it.next();
if (!name.equals(instanceGraph) && (!name.equals(provenanceGraph))) {
Model namedModel = dataset.getNamedModel(name);
StmtIterator siter = namedModel.listStatements();
while (siter.hasNext()) {
Statement s = siter.nextStatement();
String object = getObjectValue(s).toLowerCase();
if (object.indexOf(entity.toLowerCase()) > -1) {
String subject = s.getSubject().getURI();
if (!events.contains(subject)) {
events.add(subject);
}
}
}
}
}
return events;
}
Example 4
| Source File: JenaSesameUtils.java From anno4j with Apache License 2.0 | 5 votes |
|
/**
* Convert the Jena Model to a Sesame Graph
* @param theModel the model to convert
* @return the set of statements in the Jena model saved in a sesame Graph
*/
public static Graph asSesameGraph(Model theModel) {
Graph aGraph = new GraphImpl();
StmtIterator sIter = theModel.listStatements();
while (sIter.hasNext()) {
aGraph.add(asSesameStatement(sIter.nextStatement()));
}
sIter.close();
return aGraph;
}
Example 5
| Source File: WP2RDFXMLWriter.java From GeoTriples with Apache License 2.0 | 5 votes |
|
protected void writeRDFStatements(Model model, Resource subject,
PrintWriter writer) {
StmtIterator sIter = model
.listStatements(subject, null, (RDFNode) null);
writeDescriptionHeader(subject, writer);
while (sIter.hasNext()) {
Statement nextSt = sIter.nextStatement();
if (nextSt.getObject().toString().startsWith("null^^")) {
sIter.nextStatement();
continue;
}
writePredicate(nextSt, writer);
}
writeDescriptionTrailer(subject, writer);
}
Example 6
| Source File: VocabularySummarizer.java From GeoTriples with Apache License 2.0 | 5 votes |
|
public Collection<Resource> getUndefinedClasses(Model model) {
Set<Resource> result = new HashSet<Resource>();
StmtIterator it = model.listStatements(null, RDF.type, (RDFNode) null);
while (it.hasNext()) {
Statement stmt = it.nextStatement();
if (stmt.getObject().isURIResource()
&& stmt.getResource().getURI().startsWith(namespace)
&& !classes.contains(stmt.getObject())) {
result.add(stmt.getResource());
}
}
return result;
}
Example 7
| Source File: VocabularySummarizer.java From GeoTriples with Apache License 2.0 | 5 votes |
|
public Collection<Property> getUndefinedProperties(Model model) {
Set<Property> result = new HashSet<Property>();
StmtIterator it = model.listStatements();
while (it.hasNext()) {
Statement stmt = it.nextStatement();
if (stmt.getPredicate().getURI().startsWith(namespace)
&& !properties.contains(stmt.getPredicate())) {
result.add(stmt.getPredicate());
}
}
return result;
}
Example 8
| Source File: VocabularySummarizer.java From GeoTriples with Apache License 2.0 | 5 votes |
|
public boolean usesVocabulary(Model model) {
StmtIterator it = model.listStatements();
while (it.hasNext()) {
Statement stmt = it.nextStatement();
if (stmt.getPredicate().getURI().startsWith(namespace)) {
return true;
}
if (stmt.getPredicate().equals(RDF.type) && stmt.getResource().getURI().startsWith(namespace)) {
return true;
}
}
return false;
}
Example 9
| Source File: VocabularySummarizer.java From GeoTriples with Apache License 2.0 | 5 votes |
|
public Model triplesInvolvingVocabulary(Model model) {
Model result = ModelFactory.createDefaultModel();
result.getNsPrefixMap().putAll(model.getNsPrefixMap());
StmtIterator it = model.listStatements();
while (it.hasNext()) {
Statement stmt = it.next();
if (properties.contains(stmt.getPredicate())
|| (stmt.getPredicate().equals(RDF.type) && classes.contains(stmt.getObject()))) {
result.add(stmt);
}
}
return result;
}
Example 10
| Source File: PageServlet.java From GeoTriples with Apache License 2.0 | 5 votes |
|
private Collection<Property> collectProperties(Model m, Resource r) {
Collection<Property> result = new TreeSet<Property>();
StmtIterator it = r.listProperties();
while (it.hasNext()) {
result.add(new Property(it.nextStatement(), false));
}
it = m.listStatements(null, null, r);
while (it.hasNext()) {
result.add(new Property(it.nextStatement(), true));
}
return result;
}
Example 11
| Source File: Course.java From neo4jena with Apache License 2.0 | 5 votes |
|
public static void write(GraphDatabaseService njgraph) {
InputStream in = FileManager.get().open( inputFileName );
if (in == null) {
throw new IllegalArgumentException( "File: " + inputFileName + " not found");
}
Model model = ModelFactory.createDefaultModel();
model.read(in,"","TTL");
double triples = model.size();
log.info("Model loaded with " + triples + " triples");
System.out.println("Model loaded with " + triples + " triples");
Map<String, String> prefixMap = model.getNsPrefixMap();
// System.out.println("Prefix Mapping: " + prefixMap);
NeoGraph graph = new NeoGraph(njgraph);
graph.getPrefixMapping().setNsPrefixes(prefixMap);
graph.startBulkLoad();
log.info("Connection created");
Model njmodel = ModelFactory.createModelForGraph(graph);
log.info("NeoGraph Model initiated");
System.out.println("NeoGraph Model initiated");
//log.info(njmodel.add(model));
//njmodel.add(model);
StmtIterator iterator = model.listStatements();
StopWatch watch = new StopWatch();
int count = 0;
while(iterator.hasNext()){
njmodel.add(iterator.next());
count++;
}
System.out.println("Total triples loaded are:"+ count);
graph.stopBulkLoad();
//log.info("Storing completed (ms): " + watch.stop());
System.out.println("Storing completed (ms): " + watch.stop());
}
Example 12
| Source File: WriteStatementsKnowledgeStore.java From EventCoreference with Apache License 2.0 | 5 votes |
|
static public void main (String[] args) {
Dataset dataset = null;
String address = "http://145.100.57.176:50053/";
ArrayList<org.openrdf.model.Statement> statements = new ArrayList<org.openrdf.model.Statement>();
Iterator<String> it = dataset.listNames();
while (it.hasNext()) {
String name = it.next();
Model namedModel = dataset.getNamedModel(name);
StmtIterator siter = namedModel.listStatements();
while (siter.hasNext()) {
com.hp.hpl.jena.rdf.model.Statement s = siter.nextStatement();
org.openrdf.model.Statement statement =castJenaOpenRdf(s, name);
if (statement!=null) {
statements.add(statement);
}
}
}
if (DEBUG) {
try {
ByteArrayOutputStream os = new ByteArrayOutputStream();
RDFDataMgr.write(os, dataset, RDFFormat.TRIG_PRETTY);
String rdfString = new String(os.toByteArray(), "UTF-8");
System.out.println("rdfString = " + rdfString);
os.close();
} catch (Exception e) {
e.printStackTrace();
}
}
// System.out.println("address = " + address);
WriteStatementsKnowledgeStore.storeTriples(statements, address);
}
Example 13
| Source File: GetEventStats.java From EventCoreference with Apache License 2.0 | 5 votes |
|
static ArrayList<String> getAllEsoEvents (Dataset dataset, ArrayList<String> esoTypes) {
ArrayList<String> events = new ArrayList<String>();
Iterator<String> it = dataset.listNames();
while (it.hasNext()) {
String name = it.next();
if (name.equals(instanceGraph)) {
Model namedModel = dataset.getNamedModel(name);
StmtIterator siter = namedModel.listStatements();
while (siter.hasNext()) {
Statement s = siter.nextStatement();
// System.out.println("s.toString() = " + s.toString());
if (s.getPredicate().toString().endsWith("#type")) {
for (int i = 0; i < esoTypes.size(); i++) {
String esoType = esoTypes.get(i);
if (s.getObject().toString().endsWith(esoType)) {
String subject = s.getSubject().getURI();
if (!events.contains(subject)) {
events.add(subject);
}
break;
}
}
}
}
}
}
return events;
}
Example 14
| Source File: SelectEntityTrig.java From EventCoreference with Apache License 2.0 | 4 votes |
|
static public void main (String[] args) {
String trigfolderPath = "";
trigfolderPath = "/Users/piek/Desktop/tweede-kamer/events";
String entity = "";
String date = "";
entity = "lippens";
for (int i = 0; i < args.length; i++) {
String arg = args[i];
if (arg.equals("--trig-folder") && args.length>(i+1)) {
trigfolderPath = args[i+1];
}
else if (arg.equals("--entity") && args.length>(i+1)) {
entity = args[i+1];
}
else if (arg.equals("--event-date") && args.length>(i+1)) {
date = args[i+1];
}
}
if (entity.isEmpty()) {
System.out.println("Entity is empty");
return;
}
File trigfolder = new File(trigfolderPath);
String trigEntityPath = trigfolder.getParent()+"/"+entity;
File entityTrigFolder = new File (trigEntityPath);
if (!entityTrigFolder.exists()) {
entityTrigFolder.mkdir();
}
if (!entityTrigFolder.exists()) {
System.out.println("Could not create entity trig folder");
return;
}
dataset = TDBFactory.createDataset();
ArrayList<File> trigFiles = Util.makeRecursiveFileList(trigfolder, ".trig");
System.out.println(trigfolder.getName() + " trigFiles.size() = " + trigFiles.size());
int cnt = 1;
for (int i = 0; i < trigFiles.size(); i++) {
File file = trigFiles.get(i);
if (!file.getParentFile().getName().startsWith(date)) {
continue;
}
if (i%500==0) {
System.out.println("i = " + i);
// if (i>1000) break;
}
ArrayList<String> events = new ArrayList<String>();
dataset = RDFDataMgr.loadDataset(file.getAbsolutePath());
Model namedModel = dataset.getNamedModel(TrigUtil.instanceGraph);
StmtIterator siter = namedModel.listStatements();
while (siter.hasNext()) {
Statement s = siter.nextStatement();
String subject = s.getSubject().getURI().toLowerCase();
if (subject.indexOf(entity.toLowerCase())>-1) {
String trigName = trigEntityPath+"/"+cnt+"_"+file.getName();
File trigCopy = new File(trigName);
copyFile(file, trigCopy);
cnt++;
break;
}
}
dataset = null;
}
}
