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Find external property assertions for individuals from ontology.
The xslt parser cannot extract metadata from other ontologies. This adds a parser to process the external properties and if a match is found then the appropiate property is added (dp,op,ni). If no match is found then add in the documentation an "ep" property which indicates that the property is found in an external ontology.
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Victor Chavez
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Jan 2, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| package widoco; | ||
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| import org.semanticweb.owlapi.model.*; | ||
| import org.semanticweb.owlapi.model.parameters.Imports; | ||
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| import java.util.Set; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.jsoup.Jsoup; | ||
| import org.jsoup.nodes.Document; | ||
| import org.jsoup.nodes.Element; | ||
| import org.jsoup.select.Elements; | ||
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| public class ExternalPropertyParser { | ||
| private enum PropertyType { | ||
| OBJECT_PROPERTY, | ||
| DATA_PROPERTY, | ||
| NAMED_INDIVIDUAL, | ||
| CLASS, | ||
| EXTERNAL_PROPERTY, | ||
| } | ||
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| private static boolean externalProps = false; | ||
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| private static final Logger logger = LoggerFactory.getLogger(ExternalPropertyParser.class); | ||
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| /** | ||
| * Parse html content with external property tags, i.e., the sup tag | ||
| * with class type-ep and attempt to find the type of property type | ||
| * within the ontology. | ||
| * The main purpose of this utility is to add metadata from the ontology | ||
| * to the named individual assertions since the xslt transform cannot | ||
| * look for external properties outisde of the xml rdf serialization of the | ||
| * ontology. | ||
| * @param htmlContent Html content where the external properties are located. | ||
| * Typically this is the named individuals section | ||
| * @param ontology The ontology that will be used to look for the IRIS of | ||
| * the external properties. | ||
| * @return | ||
| */ | ||
| public static String parse(String htmlContent, OWLOntology ontology) { | ||
| Document document = Jsoup.parseBodyFragment(htmlContent, "UTF-8"); | ||
| // Find all <a> tags with <sup> tags having class "type-ep" | ||
| Elements links = document.select("a + sup.type-ep"); | ||
| // Modify the <sup> tag based on the property type | ||
| for (Element link : links) { | ||
| String href = link.previousElementSibling().attr("href"); | ||
| PropertyType type = getPropertyType(ontology, href); | ||
| String class_name; | ||
| String text; | ||
| String title; | ||
| if (type == PropertyType.OBJECT_PROPERTY) { | ||
| class_name = "type-op"; | ||
| text="op"; | ||
| title = "object property"; | ||
| } else if(type == PropertyType.DATA_PROPERTY) { | ||
| class_name = "type-dp"; | ||
| text="dp"; | ||
| title = "data property"; | ||
| } else if (type == PropertyType.NAMED_INDIVIDUAL) { | ||
| class_name = "type-ni"; | ||
| text="ni"; | ||
| title = "named individual"; | ||
| } else if (type == PropertyType.CLASS) { | ||
| class_name = "type-c"; | ||
| text="c"; | ||
| title = "class"; | ||
| } else { | ||
| class_name = "type-ep"; | ||
| text ="ep"; | ||
| title ="external property"; | ||
| if (!externalProps) { | ||
| externalProps = true; | ||
| } | ||
| } | ||
| link.text(text); | ||
| link.attr("class",class_name); | ||
| link.attr("title",title); | ||
| } | ||
| return document.body().html(); | ||
| } | ||
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| public static boolean hasExternalProps(){ | ||
| return externalProps; | ||
| } | ||
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| private static PropertyType getPropertyType(OWLOntology ontology, String propertyIRI) { | ||
| IRI propertyIRIObject = IRI.create(propertyIRI); | ||
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| // Check if it is an object property | ||
| Set<OWLObjectProperty> objectProperties = ontology.getObjectPropertiesInSignature(Imports.INCLUDED); | ||
| for (OWLObjectProperty objectProperty : objectProperties) { | ||
| if (objectProperty.getIRI().equals(propertyIRIObject)) { | ||
| return PropertyType.OBJECT_PROPERTY; | ||
| } | ||
| } | ||
| // Check if it is a data property | ||
| Set<OWLDataProperty> dataProperties = ontology.getDataPropertiesInSignature(Imports.INCLUDED); | ||
| for (OWLDataProperty dataProperty : dataProperties) { | ||
| if (dataProperty.getIRI().equals(propertyIRIObject)) { | ||
| return PropertyType.DATA_PROPERTY; | ||
| } | ||
| } | ||
|
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| Set<OWLNamedIndividual> individuals = ontology.getIndividualsInSignature(Imports.INCLUDED); | ||
| for (OWLNamedIndividual individual : individuals) { | ||
| if (individual.getIRI().equals(propertyIRIObject)) { | ||
| return PropertyType.NAMED_INDIVIDUAL; | ||
| } | ||
| } | ||
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| Set<OWLClass> classes = ontology.getClassesInSignature(Imports.INCLUDED); | ||
| for (OWLClass owl_class : classes) { | ||
| if (owl_class.getIRI().equals(propertyIRIObject)) { | ||
| return PropertyType.CLASS; | ||
| } | ||
| } | ||
| // If not an object or data property, consider it as an external property | ||
| return PropertyType.EXTERNAL_PROPERTY; | ||
| } | ||
|
|
||
| } |
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