Examples of org.apache.clerezza.rdf.core.Literal

org.apache.clerezza.rdf.core.Literal
Represents a literal value that can be a node in an RDF Graph. Literals are used to identify values such as numbers and dates by means of a lexical representation. There are two types of literals represented by the subinterfaces {@link PlainLiteral} and {@link TypedLiteral} @author reto

  public static UriRef createEntityAnnotation(CandidateResource resource,
      EnhancementEngine engine, ContentItem ci, UriRef textAnnotation) {
    UriRef entityAnnotation = EnhancementEngineHelper
        .createEntityEnhancement(ci, engine);
    MGraph model = ci.getMetadata();
    Literal label = new PlainLiteralImpl(resource.label,
        new Language("en"));
    model.add(new TripleImpl(entityAnnotation, DC_RELATION,
        textAnnotation));
    model.add(new TripleImpl(entityAnnotation,
        ENHANCER_ENTITY_LABEL, label));

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      EnhancementEngine engine, ContentItem ci,
      UriRef textAnnotation, Language language) {
    MGraph model = ci.getMetadata();
    UriRef entityAnnotation = EnhancementEngineHelper
        .createEntityEnhancement(ci, engine);
    Literal label = new PlainLiteralImpl(annotation.surfaceForm.name,
        language);
    model.add(new TripleImpl(entityAnnotation, DC_RELATION,
        textAnnotation));
    model.add(new TripleImpl(entityAnnotation,
        ENHANCER_ENTITY_LABEL, label));

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        addTriple(convertNonLiteral(subj), new UriRef(pred), convertNonLiteral(obj));
    }


    @Override
    public final void addPlainLiteral(String subj, String pred, String content, String lang) {
        Literal lit;
        if (lang == null || lang.equals("")) {
            lit = new PlainLiteralImpl(content);
        } else {
            lit = new PlainLiteralImpl(content, new Language(lang));
        }

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