@Override
public void updateAt(int i) {
if (i == 1) {
// If parse is at element1, filter possible entries of element2.
Map<String, List<LexicalEntry>> old_element2index = elements.get(2).getIndex();
Map<String, List<LexicalEntry>> new_element2index = new HashMap<>();
for (LexicalEntry entry1 : elements.get(1).getActiveEntries()) {
new_element2index.putAll(
instances.filterBy(
old_element2index, LexicalEntry.SynArg.SUBJECT, entry1.getReference()));
}
elements.get(2).setIndex(new_element2index);
}
if (i == 2) {
// If parse is at element2, fill element3 with possible instances...
for (LexicalEntry entry : elements.get(2).getActiveEntries()) {
String query;
// ...depending on which semantic position it fills.
switch (entry.getSemArg(LexicalEntry.SynArg.DIRECTOBJECT)) {
case SUBJOFPROP:
query =
"SELECT DISTINCT ?x ?label WHERE { "
+ " ?x <"
+ entry.getReference()
+ "> ?object . "
+ " ?x <"
+ vocab.rdfs
+ "label> ?l . }";
elements.get(3).addToIndex(instances.getInstanceIndex(query, "x", "l"));
case OBJOFPROP:
query =
"SELECT DISTINCT ?x ?label WHERE { "
+ " ?subject <"
+ entry.getReference()
+ "> ?x . "
+ " ?x <"
+ vocab.rdfs
+ "label> ?l . }";
elements.get(3).addToIndex(instances.getInstanceIndex(query, "x", "l"));
}
}
}
}
@Override
public List<String> buildSPARQLqueries() {
List<String> queries = new ArrayList<>();
ConceptElement noun = (ConceptElement) elements.get(1);
ConceptElement verb = (ConceptElement) elements.get(2);
IndividualElement indi = (IndividualElement) elements.get(3);
for (LexicalEntry noun_entry : noun.getActiveEntries()) {
for (LexicalEntry verb_entry : verb.getActiveEntries()) {
switch (verb_entry.getSemArg(LexicalEntry.SynArg.DIRECTOBJECT)) {
case SUBJOFPROP:
for (LexicalEntry inst_entry : indi.getActiveEntries()) {
queries.add(
"SELECT DISTINCT ?x WHERE { "
+ " ?x <"
+ vocab.rdfType
+ "> <"
+ noun_entry.getReference()
+ "> . "
+ " <"
+ inst_entry.getReference()
+ "> <"
+ verb_entry.getReference()
+ "> ?x . }");
}
break;
case OBJOFPROP:
for (LexicalEntry inst_entry : indi.getActiveEntries()) {
queries.add(
"SELECT DISTINCT ?x WHERE {"
+ " ?x <"
+ vocab.rdfType
+ "> <"
+ noun_entry.getReference()
+ "> . "
+ " ?x <"
+ verb_entry.getReference()
+ "> <"
+ inst_entry.getReference()
+ "> . }");
}
break;
}
}
}
return queries;
}