public Map<String, String> getProperties(String query) throws AutoSPARQLException {
property2LabelMap = new TreeMap<String, String>();
String queryTriples = query.substring(18, query.length() - 1);
String newQuery =
"SELECT DISTINCT ?p ?label WHERE {"
+ queryTriples
+ "?x0 ?p ?o. "
+ "?p <"
+ RDFS.label
+ "> ?label. FILTER(LANGMATCHES(LANG(?label), 'en'))} "
+ "LIMIT 1000";
ResultSet rs =
SparqlQuery.convertJSONtoResultSet(selectCache.executeSelectQuery(endpoint, newQuery));
QuerySolution qs;
while (rs.hasNext()) {
qs = rs.next();
property2LabelMap.put(qs.getResource("p").getURI(), qs.getLiteral("label").getLexicalForm());
}
Iterator<String> it = property2LabelMap.keySet().iterator();
while (it.hasNext()) {
String uri = it.next();
if (!uri.startsWith("http://dbpedia.org/ontology")) {
it.remove();
}
}
property2LabelMap.put(RDFS.label.getURI(), "label");
return property2LabelMap;
}
@Override
public List<Literal> getDataPropertyValuesForIndividualByProperty(
String subjectUri, String propertyUri) {
log.debug("Data property value query string:\n" + DATA_PROPERTY_VALUE_QUERY_STRING);
log.debug("Data property value:\n" + dataPropertyValueQuery);
QuerySolutionMap initialBindings = new QuerySolutionMap();
initialBindings.add("subject", ResourceFactory.createResource(subjectUri));
initialBindings.add("property", ResourceFactory.createResource(propertyUri));
// Run the SPARQL query to get the properties
List<Literal> values = new ArrayList<Literal>();
DatasetWrapper w = dwf.getDatasetWrapper();
Dataset dataset = w.getDataset();
dataset.getLock().enterCriticalSection(Lock.READ);
try {
QueryExecution qexec =
QueryExecutionFactory.create(dataPropertyValueQuery, dataset, initialBindings);
ResultSet results = qexec.execSelect();
while (results.hasNext()) {
QuerySolution soln = results.next();
RDFNode node = soln.get("value");
if (!node.isLiteral()) {
continue;
}
Literal value = soln.getLiteral("value");
values.add(value);
}
} finally {
dataset.getLock().leaveCriticalSection();
w.close();
}
return values;
}
@Test
public void testNextWithLiteral() throws Exception {
when(mockValue.getString()).thenReturn("x");
final QuerySolution solution = testObj.next();
assertTrue(solution.contains("a"));
assertEquals("x", solution.get("a").asLiteral().getLexicalForm());
assertEquals(solution.get("a"), solution.getLiteral("a"));
}
private boolean checkAlreadyAgreed() {
// System.err.println(license);
if (license.exists() && user != null && !user.equals("")) {
try {
model.read(new FileInputStream(license), null);
QueryExecution qexec = QueryExecutionFactory.create(queryString, model);
try {
ResultSet results = qexec.execSelect();
while (results.hasNext()) {
QuerySolution soln = results.nextSolution();
try {
Literal u = soln.getLiteral("user");
// System.err.println("user: "******"software");
// System.err.println("software: "+s);
Calendar d = ((XSDDateTime) soln.getLiteral("date").getValue()).asCalendar();
// System.err.println("date: "+d);
if (u.getString().equals(user)
&& s.getString().equals(software)
&& d.before(Calendar.getInstance())) {
return true;
}
} catch (JenaException e) {
// ignore
} catch (ClassCastException e) {
System.err.println(e.getMessage());
}
}
} finally {
qexec.close();
}
} catch (FileNotFoundException e) {
}
}
return false;
}
private void runSPARQL1_1_Mode() {
// get subjects with types
int limit = 1000;
int offset = 0;
String queryTemplate =
"PREFIX owl: <http://www.w3.org/2002/07/owl#> SELECT ?p COUNT(?s) AS ?count WHERE {?s ?p ?o.?p a owl:DatatypeProperty."
+ "{SELECT ?s ?o WHERE {?s <%s> ?o.} LIMIT %d OFFSET %d}"
+ "}";
String query;
Map<DatatypeProperty, Integer> result = new HashMap<DatatypeProperty, Integer>();
DatatypeProperty prop;
Integer oldCnt;
boolean repeat = true;
while (!terminationCriteriaSatisfied() && repeat) {
query = String.format(queryTemplate, propertyToDescribe, limit, offset);
ResultSet rs = executeSelectQuery(query);
QuerySolution qs;
repeat = false;
while (rs.hasNext()) {
qs = rs.next();
prop = new DatatypeProperty(qs.getResource("p").getURI());
int newCnt = qs.getLiteral("count").getInt();
oldCnt = result.get(prop);
if (oldCnt == null) {
oldCnt = Integer.valueOf(newCnt);
} else {
oldCnt += newCnt;
}
result.put(prop, oldCnt);
qs.getLiteral("count").getInt();
repeat = true;
}
if (!result.isEmpty()) {
currentlyBestAxioms = buildAxioms(result);
offset += 1000;
}
}
}
public String GetResult() {
String result_s = "";
while (results.hasNext()) {
QuerySolution row = results.next();
// RDFNode thing= row.get("rule");
// result_s = row.getLiteral("id").getString();
result_s = result_s + row.getLiteral("id").getString() + ",";
}
if (!result_s.equals("")) {
result_s = result_s.substring(0, result_s.length() - 1);
}
return result_s;
}
private void runSPARQL1_0_Mode() {
Model model = ModelFactory.createDefaultModel();
int limit = 1000;
int offset = 0;
String baseQuery = "CONSTRUCT {?s ?p ?o.} WHERE {?s <%s> ?o. ?s ?p ?o.} LIMIT %d OFFSET %d";
String query = String.format(baseQuery, propertyToDescribe.getName(), limit, offset);
Model newModel = executeConstructQuery(query);
Map<DatatypeProperty, Integer> result = new HashMap<DatatypeProperty, Integer>();
while (!terminationCriteriaSatisfied() && newModel.size() != 0) {
model.add(newModel);
query = "SELECT ?p (COUNT(?s) AS ?count) WHERE {?s ?p ?o.} GROUP BY ?p";
DatatypeProperty prop;
Integer oldCnt;
ResultSet rs = executeSelectQuery(query, model);
QuerySolution qs;
while (rs.hasNext()) {
qs = rs.next();
prop = new DatatypeProperty(qs.getResource("p").getURI());
int newCnt = qs.getLiteral("count").getInt();
oldCnt = result.get(prop);
if (oldCnt == null) {
oldCnt = Integer.valueOf(newCnt);
}
result.put(prop, oldCnt);
qs.getLiteral("count").getInt();
}
if (!result.isEmpty()) {
currentlyBestAxioms = buildAxioms(result);
}
offset += limit;
query = String.format(baseQuery, propertyToDescribe.getName(), limit, offset);
newModel = executeConstructQuery(query);
}
}
private void cachingForTriples(Table table, String endpoint) {
Model model = ModelFactory.createDefaultModel();
List<String> resources = null;
FileWriter fstream = null;
try {
fstream = new FileWriter("/home/mofeed/TrialStart/zicozico.nt");
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
BufferedWriter out = new BufferedWriter(fstream);
try {
for (Object id : table.getItemIds()) {
Item item = table.getItem(id);
Property sourceURI = item.getItemProperty("sourceURI"); // vaadin property not jena
Resource resource = model.createResource();
try {
String sparqlQuery = "select distinct * where { <" + sourceURI.getValue() + "> ?p ?o .}";
Query query = QueryFactory.create(sparqlQuery);
QueryExecution qexec = QueryExecutionFactory.sparqlService(endpoint, query);
com.hp.hpl.jena.query.ResultSet results = qexec.execSelect();
com.hp.hpl.jena.query.QuerySolution binding = null;
while (results.hasNext()) {
binding = results.next();
String property = binding.getResource("?p").toString();
String value;
if (binding.get("?o").isResource()) value = binding.getResource("?o").toString();
else value = binding.getLiteral("?o").toString();
com.hp.hpl.jena.rdf.model.Property pt = ResourceFactory.createProperty(property);
// resource.addProperty(pt, value);
model.add(resource, pt, value);
}
qexec.close();
model.write(out, null, "TURTLE");
} catch (Exception e) {
Notification.show(e.toString());
}
// model.add(s, p, o);
// Property destinationURI = item.getItemProperty("destinationURI");
// out.write(sourceURI.getValue()+"\n");
}
/*out.flush();
fstream.flush();*/
out.close();
} catch (Exception e) { // Catch exception if any
System.err.println("Error: " + e.getMessage());
}
}
public PagingLoadResult<Example> getCurrentQueryResult(PagingLoadConfig config)
throws SPARQLQueryException {
logger.debug("Retrieving results for current query.");
List<Example> queryResult = new ArrayList<Example>();
String currentQuery = exampleFinder.getCurrentQuery();
logger.debug("Current query:\n");
logger.debug(currentQuery);
int limit = config.getLimit();
int offset = config.getOffset();
int totalLength = 10;
try {
ResultSetRewindable rs =
SparqlQuery.convertJSONtoResultSet(
selectCache.executeSelectQuery(endpoint, getCountQuery(currentQuery)));
totalLength = rs.next().getLiteral(rs.getResultVars().get(0)).getInt();
} catch (Exception e) {
e.printStackTrace();
}
try {
ResultSetRewindable rs =
SparqlQuery.convertJSONtoResultSet(
selectCache.executeSelectQuery(
endpoint, modifyQuery(currentQuery + " LIMIT " + limit + " OFFSET " + offset)));
String uri;
String label = "";
String imageURL = "";
String comment = "";
QuerySolution qs;
while (rs.hasNext()) {
qs = rs.next();
uri = qs.getResource("x0").getURI();
label = qs.getLiteral("label").getLexicalForm();
queryResult.add(new Example(uri, label, imageURL, comment));
}
} catch (Exception e) {
logger.error("Error while getting result for query \n" + currentQuery, e);
}
PagingLoadResult<Example> result = new BasePagingLoadResult<Example>(queryResult);
result.setOffset(offset);
result.setTotalLength(totalLength);
return result;
}
@Override
public void execute(Model model) {
QueryExecution qe = QueryExecutionFactory.create(preparedQuery, model);
ResultSet rs = qe.execSelect();
QuerySolution qs;
MapResult result;
String x, y;
if (rs.hasNext()) {
qs = rs.next();
x = qs.getLiteral("x").getString();
y = qs.getLiteral("y").getString();
result = new MapResult();
result.put("x", x);
result.put("y", y);
this.results.add(result);
}
qe.close();
}
/**
* Returns the string value of the first of the properties in the uriDescriptionList for the given
* resource (as an URI). In case the resource does not have any of the properties mentioned, its
* URI is returned. The value is obtained by querying the endpoint and the endpoint is queried
* repeatedly until it gives a response (value or the lack of it)
*
* <p>It is highly recommended that the list contains properties like labels or titles, with test
* values.
*
* @param uri - the URI for which a label is required
* @return a String value, either a label for the parameter or its value if no label is obtained
* from the endpoint
*/
private String getLabelForUri(String uri) {
String result;
if (uriLabelCache.containsKey(uri)) {
return uriLabelCache.get(uri);
}
for (String prop : uriDescriptionList) {
String innerQuery = "SELECT ?r WHERE {<" + uri + "> <" + prop + "> ?r } LIMIT 1";
try {
Query query = QueryFactory.create(innerQuery);
QueryExecution qExec = QueryExecutionFactory.sparqlService(rdfEndpoint, query);
boolean keepTrying = true;
while (keepTrying) {
keepTrying = false;
try {
ResultSet results = qExec.execSelect();
if (results.hasNext()) {
QuerySolution sol = results.nextSolution();
result = EEASettings.parseForJson(sol.getLiteral("r").getLexicalForm());
if (!result.isEmpty()) {
uriLabelCache.put(uri, result);
return result;
}
}
} catch (Exception e) {
keepTrying = true;
logger.warn("Could not get label for uri {}. Retrying.", uri);
} finally {
qExec.close();
}
}
} catch (QueryParseException qpe) {
logger.error("Exception for query {}. The label cannot be obtained", innerQuery);
}
}
return uri;
}
private void getURIProperties(String subject, String endpoint, Table table) {
try { // "select * where { <"+subject+"> ?p ?o . FILTER(langMatches(lang(?o), \"EN\"))}";
// idea about limiting results
String sparqlQuery = "select distinct * where { <" + subject + "> ?p ?o .}";
Query query = QueryFactory.create(sparqlQuery);
QueryExecution qexec = QueryExecutionFactory.sparqlService(endpoint, query);
com.hp.hpl.jena.query.ResultSet results = qexec.execSelect();
com.hp.hpl.jena.query.QuerySolution binding = null;
table.removeAllItems();
while (results.hasNext()) {
binding = results.next();
String property = binding.getResource("?p").toString();
String value;
if (binding.get("?o").isResource()) value = binding.getResource("?o").toString();
else value = binding.getLiteral("?o").toString();
table.addItem(new Object[] {property, value}, new Integer(table.size() + 1));
}
qexec.close();
} catch (Exception e) {
Notification.show(e.toString());
}
}
public void teste() {
// String name = this.getName();
String title = "";
String service = "http://dblp.rkbexplorer.com/sparql";
String query =
"PREFIX akt: <http://www.aktors.org/ontology/portal#> "
+ "PREFIX akt: <http://www.aktors.org/ontology/portal#> "
+ " SELECT DISTINCT ?name ?title "
+ " WHERE "
+ " { "
+ " ?auth akt:full-name "
+ "\""
+ nameAuthorField
+ "\""
+ " . "
+ " ?pub a akt:Publication-Reference ;"
+ " akt:has-title ?title ;"
+ " akt:has-author ?auth ."
+ " } ";
QueryExecution queryExecution = QueryExecutionFactory.sparqlService(service, query);
try {
ResultSet results = queryExecution.execSelect();
while (results.hasNext()) {
QuerySolution querySolution = results.nextSolution();
// consume title
Literal literal = querySolution.getLiteral("title");
title = ("" + literal.getValue());
// add titulo a lista tituloPublicacao
this.tituloPublicacao.add(title);
}
} catch (QueryExceptionHTTP e) {
System.out.println(service + " is DOWN");
} finally {
queryExecution.close();
}
}
public PagingLoadResult<Example> getSPARQLQueryResultWithProperties(
String query, List<String> properties, PagingLoadConfig config) throws AutoSPARQLException {
List<Example> queryResult = new ArrayList<Example>();
// properties.remove("label");
int limit = config.getLimit();
int offset = config.getOffset();
int totalLength = 10;
if (currentQueryResultSize == -1) {
try {
ResultSetRewindable rs =
SparqlQuery.convertJSONtoResultSet(
selectCache.executeSelectQuery(endpoint, getCountQuery(query)));
currentQueryResultSize = rs.next().getLiteral(rs.getResultVars().get(0)).getInt();
} catch (Exception e) {
e.printStackTrace();
currentQueryResultSize = 10;
}
}
totalLength = currentQueryResultSize;
List<String> propertiesToDo = new ArrayList<String>(properties);
for (Map<String, Object> prop2Value : propertiesCache.values()) {
propertiesToDo.removeAll(prop2Value.keySet());
}
if (propertiesToDo.size() > 0) {
String queryTriples = query.substring(18, query.length() - 1);
StringBuilder newQuery = new StringBuilder();
Map<String, String> var2URIMap = new HashMap<String, String>(propertiesToDo.size());
if (propertiesToDo.size() == 1 && propertiesToDo.get(0).equals(RDFS.label.getURI())) {
newQuery.append("SELECT DISTINCT ?x0 ?label ?imageURL{");
newQuery.append(queryTriples);
newQuery.append("?x0 <").append(RDFS.label).append("> ?label.\n");
newQuery
.append("OPTIONAL{?x0 <")
.append("http://dbpedia.org/ontology/thumbnail")
.append("> ?imageURL.}\n");
newQuery.append("FILTER(LANGMATCHES(LANG(?label),'en'))");
newQuery.append("}");
} else {
for (String property : propertiesToDo) {
var2URIMap.put(
property2LabelMap.get(property).replace(" ", "_").replace("(", "").replace(")", ""),
property);
}
newQuery.append("SELECT DISTINCT ?x0 ?label ?imageURL ");
for (String var : var2URIMap.keySet()) {
newQuery.append("?").append(var).append(" ");
newQuery.append("?").append(var).append("_label ");
}
newQuery.append("{");
newQuery.append(queryTriples);
newQuery.append("?x0 <").append(RDFS.label).append("> ?label.\n");
newQuery
.append("OPTIONAL{?x0 <")
.append("http://dbpedia.org/ontology/thumbnail")
.append("> ?imageURL.}\n");
for (Entry<String, String> entry : var2URIMap.entrySet()) {
newQuery
.append("OPTIONAL{?x0 <")
.append(entry.getValue())
.append("> ?")
.append(entry.getKey())
.append(".}\n");
}
for (Entry<String, String> entry : var2URIMap.entrySet()) {
newQuery
.append("OPTIONAL{?")
.append(entry.getKey())
.append(" <")
.append(RDFS.label)
.append("> ?")
.append(entry.getKey())
.append("_label.\n");
newQuery.append("FILTER(LANGMATCHES(LANG(?" + entry.getKey() + "_label),'en'))}\n");
}
newQuery.append("FILTER(LANGMATCHES(LANG(?label),'en'))");
newQuery.append("}");
}
logger.debug("Query with properties:\n" + newQuery.toString());
try {
ResultSetRewindable rs =
SparqlQuery.convertJSONtoResultSet(
selectCache.executeSelectQuery(endpoint, modifyQuery(newQuery + " LIMIT 1000")));
String uri;
String label = "";
String imageURL = "";
QuerySolution qs;
RDFNode object;
while (rs.hasNext()) {
qs = rs.next();
uri = qs.getResource("x0").getURI();
label = qs.getLiteral("label").getLexicalForm();
imageURL = qs.getResource("imageURL") != null ? qs.getResource("imageURL").getURI() : "";
Map<String, Object> properties2Value = propertiesCache.get(uri);
if (properties2Value == null) {
properties2Value = new HashMap<String, Object>();
properties2Value.put(RDFS.label.getURI(), label);
properties2Value.put("http://dbpedia.org/ontology/thumbnail", imageURL);
propertiesCache.put(uri, properties2Value);
}
Object value;
String property;
for (Entry<String, String> entry : var2URIMap.entrySet()) {
value = "";
property = entry.getValue();
object = qs.get(entry.getKey() + "_label");
if (object == null) {
object = qs.get(entry.getKey());
}
if (object != null) {
if (object.isURIResource()) {
value = object.asResource().getURI();
} else if (object.isLiteral()) {
Literal lit = object.asLiteral();
// if(lit.getDatatypeURI().equals(XSD.BOOLEAN)){
// property2DatatypeMap.put(property, Boolean.class);
// value = lit.getBoolean();
// } else if(lit.getDatatypeURI().equals(XSD.INT)){
// property2DatatypeMap.put(property, Integer.class);
// value = lit.getInt();
// } else if(lit.getDatatypeURI().equals(XSD.DOUBLE)){
// property2DatatypeMap.put(property, Double.class);
// value = lit.getDouble();
// } else if(lit.getDatatypeURI().equals(XSD.FLOAT)){
// property2DatatypeMap.put(property, Float.class);
// value = lit.getFloat();
// } else {
// property2DatatypeMap.put(property, String.class);
// value = object.asLiteral().getLexicalForm();
// }
value = object.asLiteral().getLexicalForm();
}
}
Object oldValue = properties2Value.get(property);
if (oldValue != null && value != null) {
value = oldValue + ", " + value;
}
properties2Value.put(property, value);
}
}
} catch (Exception e) {
logger.error("Error while getting result for query \n" + newQuery, e);
}
}
Example example;
int cnt = 0;
for (Entry<String, Map<String, Object>> uri2PropertyValues : propertiesCache.entrySet()) {
// if(cnt++ == limit+offset){
// break;
// }
// if(cnt > offset){
example = new Example();
example.setAllowNestedValues(false);
example.set("uri", uri2PropertyValues.getKey());
Object value;
String property;
for (Entry<String, Object> property2Value : uri2PropertyValues.getValue().entrySet()) {
property = property2Value.getKey();
value = property2Value.getValue();
// if(value == null){
// Class cls = property2DatatypeMap.get(property);
// if(cls == String.class){
// value = "";
// } else if(cls == Integer.class){
// value = Integer.valueOf(-1);
// } else if(cls == Double.class){
// value = Double.valueOf(-1);
// } else if(cls == Float.class){
// value = Float.valueOf(-1);
// } else if(cls == Boolean.class){
// value = Boolean.FALSE;
// }
// }
example.set(property, value);
}
queryResult.add(example);
// }
}
if (config.getSortInfo().getSortField() != null) {
final String sortField = config.getSortInfo().getSortField();
Collections.sort(
queryResult,
config
.getSortInfo()
.getSortDir()
.comparator(
new Comparator<Example>() {
@Override
public int compare(Example o1, Example o2) {
return ((String) o1.get(sortField)).compareTo((String) o2.get(sortField));
}
}));
}
int start = config.getOffset();
int end = queryResult.size();
if (limit > 0) {
end = Math.min(start + limit, end);
}
// queryResult = queryResult.subList(start, end);
ArrayList<Example> tmp = new ArrayList<Example>();
for (int i = start; i < end; i++) {
tmp.add(queryResult.get(i));
}
PagingLoadResult<Example> result = new BasePagingLoadResult<Example>(tmp);
result.setOffset(offset);
result.setTotalLength(totalLength);
return result;
}