Added file loading and first SPARQL query.
This commit is contained in:
Marcel
parent
9fd0d256b5
commit
4b64764b82
80
pom.xml
80
pom.xml
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@ -1,45 +1,47 @@
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>hsh</groupId>
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<artifactId>ins-jena</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<groupId>hsh</groupId>
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<artifactId>ins-jena</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>ins-jena</name>
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<url>http://maven.apache.org</url>
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<name>ins-jena</name>
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<url>http://maven.apache.org</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>3.8.1</version>
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<scope>test</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.jena/apache-jena -->
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<dependency>
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<groupId>org.apache.jena</groupId>
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<artifactId>apache-jena</artifactId>
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<version>3.5.0</version>
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<type>pom</type>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.jena/jena-core -->
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<dependency>
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<groupId>org.apache.jena</groupId>
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<artifactId>jena-core</artifactId>
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<version>3.5.0</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.jena/apache-jena-libs -->
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<dependency>
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<groupId>org.apache.jena</groupId>
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<artifactId>apache-jena-libs</artifactId>
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<version>3.5.0</version>
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<type>pom</type>
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</dependency>
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</dependencies>
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<dependencies>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>3.8.1</version>
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<scope>test</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.jena/apache-jena -->
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<dependency>
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<groupId>org.apache.jena</groupId>
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<artifactId>apache-jena</artifactId>
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<version>3.5.0</version>
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<type>pom</type>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.jena/jena-core -->
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<dependency>
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<groupId>org.apache.jena</groupId>
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<artifactId>jena-core</artifactId>
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<version>3.5.0</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.jena/apache-jena-libs -->
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<dependency>
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<groupId>org.apache.jena</groupId>
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<artifactId>apache-jena-libs</artifactId>
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<version>3.5.0</version>
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<type>pom</type>
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</dependency>
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</dependencies>
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</project>
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@ -1,11 +1,69 @@
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package hsh.ins_jena;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.InputStream;
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import org.apache.jena.query.Query;
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import org.apache.jena.query.QueryExecution;
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import org.apache.jena.query.QueryExecutionFactory;
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import org.apache.jena.query.QueryFactory;
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import org.apache.jena.query.ResultSet;
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import org.apache.jena.rdf.model.Model;
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import org.apache.jena.rdf.model.ModelFactory;
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import hsh.ins_jena.model.Generator;
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public class App {
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public static String OUTPUT_PATH = "./output";
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public static void main(String[] args) {
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generateFiles(OUTPUT_PATH);
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readAndHandleFiles(OUTPUT_PATH);
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}
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private static void readAndHandleFiles(String inputPath) {
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Model tboxModel = ModelFactory.createDefaultModel();
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Model aboxModel = ModelFactory.createDefaultModel();
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InputStream inT, inA;
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try {
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inT = new FileInputStream(new File(inputPath + "/" + Generator.T_BOX_FILENAME_XML));
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inA = new FileInputStream(new File(inputPath + "/" + Generator.A_BOX_FILENAME_XML));
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tboxModel.read(inT, "");
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aboxModel.read(inA, "");
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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}
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System.out.println(tboxModel);
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System.out.println(aboxModel);
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Query query = QueryFactory.create("" + "PREFIX : <" + Generator.OWN_URI + ">" + "" + "SELECT ?console\n"
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+ "WHERE {\n" + " ?console :madeBy :Nintendo .\n" + " ?console :releaseYear ?releaseYear . \n"
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+ " FILTER(?releaseYear > 2015)\n" + "}");
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// Query query = QueryFactory
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// .create("PREFIX : <" + Generator.OWN_URI + ">" + " " + " SELECT ?s ?p ?p WHERE {" + "?s ?p ?o .}");
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QueryExecution queryExec = QueryExecutionFactory.create(query, aboxModel);
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ResultSet rs = queryExec.execSelect();
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if (rs.hasNext()) {
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rs.forEachRemaining(qs -> {
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System.out.println(qs);
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});
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}
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}
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private static void generateFiles(String outputhPath) {
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new File(OUTPUT_PATH).mkdirs();
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System.out.print("Generating ... ");
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Generator.createTBoxAndABox();
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Generator.createTBoxAndABox(OUTPUT_PATH);
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System.out.println("done.");
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}
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}
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@ -10,43 +10,57 @@ import org.apache.jena.rdf.model.Resource;
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public class Generator {
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public static final String T_BOX_FILENAME_TTL = "tbox.ttl";
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public static final String T_BOX_FILENAME_JSON = "tbox.json";
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public static final String T_BOX_FILENAME_XML = "tbox.xml";
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public static final String A_BOX_FILENAME_TTL = "abox.ttl";
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public static final String A_BOX_FILENAME_JSON = "abox.json";
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public static final String A_BOX_FILENAME_XML = "abox.xml";
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// Our own namespace uri
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private static String ownUri = "http://example.com/ins_uebung/#";
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public static final String OWN_URI = "http://example.com/ins_uebung/#";
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// Uris for other vocabularies we use
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private static String rdfUri = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
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private static String rdfsUri = "http://www.w3.org/2000/01/rdf-schema#";
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private static String xsdUri = "http://www.w3.org/2001/XMLSchema#";
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private static String foafUri = "http://xmlns.com/foaf/0.1/";
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private static String revUri = "http://purl.org/stuff/rev#";
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public static final String RDF_URI = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
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public static final String RDFS_URI = "http://www.w3.org/2000/01/rdf-schema#";
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public static final String XSD_URI = "http://www.w3.org/2001/XMLSchema#";
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public static final String FOAF_URI = "http://xmlns.com/foaf/0.1/";
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public static final String REV_URI = "http://purl.org/stuff/rev#";
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public static final String MODEL_TURTLE = "TURTLE";
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public static final String MODEL_JSON = "JSON-LD";
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public static final String MODEL_RDF_XML = "RDF/XML";
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public static void createTBoxAndABox() {
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createTBoxAndABox(".");
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}
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public static void createTBoxAndABox(String outputPath) {
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Model tboxModel = ModelFactory.createDefaultModel();
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// Some boilerplate stuff
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Property rdfType = tboxModel.createProperty(rdfUri+"type");
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Resource rdfClass = tboxModel.createResource(rdfUri+"Class");
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Resource rdfProperty = tboxModel.createResource(rdfUri+"Property");
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Property rdfsSubclassOf = tboxModel.createProperty(rdfsUri+"subclassOf");
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Property rdfsSubPropertyOf = tboxModel.createProperty(rdfsUri+"subPropertyOf");
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Property rdfsDomain = tboxModel.createProperty(rdfsUri+"domain");
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Property rdfsRange = tboxModel.createProperty(rdfsUri+"range");
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Property rdfsLabel = tboxModel.createProperty(rdfsUri+"label");
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Resource rdfsDatatype = tboxModel.createResource(rdfsUri+"Datatype");
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Property rdfType = tboxModel.createProperty(RDF_URI + "type");
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Resource rdfClass = tboxModel.createResource(RDF_URI + "Class");
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Resource rdfProperty = tboxModel.createResource(RDF_URI + "Property");
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Resource foafPerson = tboxModel.createResource(foafUri+"Person");
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Resource foafOrganization = tboxModel.createResource(foafUri+"Organization");
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Property rdfsSubclassOf = tboxModel.createProperty(RDFS_URI + "subclassOf");
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Property rdfsSubPropertyOf = tboxModel.createProperty(RDFS_URI + "subPropertyOf");
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Property rdfsDomain = tboxModel.createProperty(RDFS_URI + "domain");
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Property rdfsRange = tboxModel.createProperty(RDFS_URI + "range");
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Property rdfsLabel = tboxModel.createProperty(RDFS_URI + "label");
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Resource rdfsDatatype = tboxModel.createResource(RDFS_URI + "Datatype");
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Resource xsdInt = tboxModel.createResource(xsdUri+"int");
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Resource xsdBoolean = tboxModel.createResource(xsdUri+"boolean");
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Resource xsdString = tboxModel.createResource(xsdUri+"string");
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Resource foafPerson = tboxModel.createResource(FOAF_URI + "Person");
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Resource foafOrganization = tboxModel.createResource(FOAF_URI + "Organization");
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Resource xsdInt = tboxModel.createResource(XSD_URI + "int");
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Resource xsdBoolean = tboxModel.createResource(XSD_URI + "boolean");
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Resource xsdString = tboxModel.createResource(XSD_URI + "string");
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// Own classes
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Resource gameConsole = tboxModel.createResource(ownUri+"GameConsole");
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Resource portableGameConsole = tboxModel.createResource(ownUri+"PortableGameConsole");
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Resource gameConsole = tboxModel.createResource(OWN_URI + "GameConsole");
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Resource portableGameConsole = tboxModel.createResource(OWN_URI + "PortableGameConsole");
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// Add statements to the model
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tboxModel.add(tboxModel.createStatement(gameConsole, rdfType, rdfClass));
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@ -54,62 +68,62 @@ public class Generator {
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tboxModel.add(tboxModel.createStatement(portableGameConsole, rdfsSubclassOf, gameConsole));
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// Add properties to the model
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Property ceo = tboxModel.createProperty(ownUri+"ceo");
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Property ceo = tboxModel.createProperty(OWN_URI + "ceo");
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ceo.addProperty(rdfType, rdfProperty);
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ceo.addProperty(rdfsDomain, foafOrganization);
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ceo.addProperty(rdfsRange, foafPerson);
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Property foundingYear = tboxModel.createProperty(ownUri+"foundingYear");
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Property foundingYear = tboxModel.createProperty(OWN_URI + "foundingYear");
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foundingYear.addProperty(rdfType, rdfProperty);
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foundingYear.addProperty(rdfsDomain, foafOrganization);
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foundingYear.addProperty(rdfsRange, xsdInt);
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Property internetEnabled = tboxModel.createProperty(ownUri+"internetEnabled");
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Property internetEnabled = tboxModel.createProperty(OWN_URI + "internetEnabled");
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internetEnabled.addProperty(rdfType, rdfProperty);
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internetEnabled.addProperty(rdfsDomain, gameConsole);
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internetEnabled.addProperty(rdfsRange, xsdBoolean);
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Property consoleName = tboxModel.createProperty(ownUri+"consoleName");
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Property consoleName = tboxModel.createProperty(OWN_URI + "consoleName");
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consoleName.addProperty(rdfType, rdfProperty);
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consoleName.addProperty(rdfsDomain, gameConsole);
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consoleName.addProperty(rdfsRange, xsdString);
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Property numOfSupportedControllers = tboxModel.createProperty(ownUri+"numOfSupportedControllers");
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Property numOfSupportedControllers = tboxModel.createProperty(OWN_URI + "numOfSupportedControllers");
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numOfSupportedControllers.addProperty(rdfType, rdfProperty);
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numOfSupportedControllers.addProperty(rdfsDomain, gameConsole);
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numOfSupportedControllers.addProperty(rdfsRange, xsdInt);
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Property predecessorOfConsole = tboxModel.createProperty(ownUri+"predecessorOfConsole");
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Property predecessorOfConsole = tboxModel.createProperty(OWN_URI + "predecessorOfConsole");
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predecessorOfConsole.addProperty(rdfType, rdfProperty);
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predecessorOfConsole.addProperty(rdfsDomain, gameConsole);
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predecessorOfConsole.addProperty(rdfsRange, gameConsole);
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Property successorOfConsole = tboxModel.createProperty(ownUri+"successorOfConsole");
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Property successorOfConsole = tboxModel.createProperty(OWN_URI + "successorOfConsole");
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successorOfConsole.addProperty(rdfType, rdfProperty);
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successorOfConsole.addProperty(rdfsDomain, gameConsole);
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successorOfConsole.addProperty(rdfsRange, gameConsole);
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Property relatedToConsole = tboxModel.createProperty(ownUri+"relatedToConsole");
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Property relatedToConsole = tboxModel.createProperty(OWN_URI + "relatedToConsole");
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relatedToConsole.addProperty(rdfType, rdfProperty);
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relatedToConsole.addProperty(rdfsDomain, gameConsole);
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relatedToConsole.addProperty(rdfsRange, gameConsole);
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Property releaseYear = tboxModel.createProperty(ownUri+"releaseYear");
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Property releaseYear = tboxModel.createProperty(OWN_URI + "releaseYear");
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releaseYear.addProperty(rdfType, rdfProperty);
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releaseYear.addProperty(rdfsDomain, gameConsole);
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releaseYear.addProperty(rdfsRange, xsdInt);
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Property madeBy = tboxModel.createProperty(ownUri+"madeBy");
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Property madeBy = tboxModel.createProperty(OWN_URI + "madeBy");
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madeBy.addProperty(rdfType, rdfProperty);
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madeBy.addProperty(rdfsDomain, gameConsole);
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madeBy.addProperty(rdfsRange, foafOrganization);
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// Declare our datatype
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Resource priceEur = tboxModel.createResource(ownUri+"PriceEur");
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Resource priceEur = tboxModel.createResource(OWN_URI + "PriceEur");
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priceEur.addProperty(rdfType, rdfsDatatype);
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priceEur.addProperty(rdfsLabel, "Preis in Euro");
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Property hasPrice = tboxModel.createProperty(ownUri+"hasPrice");
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Property hasPrice = tboxModel.createProperty(OWN_URI + "hasPrice");
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hasPrice.addProperty(rdfType, rdfProperty);
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hasPrice.addProperty(rdfsDomain, gameConsole);
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hasPrice.addProperty(rdfsRange, priceEur);
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@ -119,41 +133,43 @@ public class Generator {
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successorOfConsole.addProperty(rdfsSubPropertyOf, relatedToConsole);
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// Store the model into a file
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Generator.writeModelToTurtleFile(tboxModel, "./output/tbox.ttl");
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Generator.writeModelToJsonFile(tboxModel, "./output/tbox.json");
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Generator.writeModelFile(tboxModel, outputPath, T_BOX_FILENAME_TTL, MODEL_TURTLE);
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Generator.writeModelFile(tboxModel, outputPath, T_BOX_FILENAME_JSON, MODEL_JSON);
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Generator.writeModelFile(tboxModel, outputPath, T_BOX_FILENAME_XML, MODEL_RDF_XML);
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/******************************************************************/
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// Now it's time to create the abox
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Model aboxModel = ModelFactory.createDefaultModel();
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// Prepare some more properties for use within the ABox
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Property foafFamilyName = aboxModel.createProperty(foafUri+"familyName");
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Property foafGivenName = aboxModel.createProperty(foafUri+"givenName");
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Property foafName = aboxModel.createProperty(foafUri+"name");
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Property revHasReview = aboxModel.createProperty(revUri+"hasReview");
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Property revReviewer = aboxModel.createProperty(revUri+"reviewer");
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Property revText = aboxModel.createProperty(revUri+"text");
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Resource revReview = aboxModel.createResource(revUri+"Review");
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Property foafFamilyName = aboxModel.createProperty(FOAF_URI + "familyName");
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Property foafGivenName = aboxModel.createProperty(FOAF_URI + "givenName");
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Property foafName = aboxModel.createProperty(FOAF_URI + "name");
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Property revHasReview = aboxModel.createProperty(REV_URI + "hasReview");
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Property revReviewer = aboxModel.createProperty(REV_URI + "reviewer");
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Property revText = aboxModel.createProperty(REV_URI + "text");
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Resource revReview = aboxModel.createResource(REV_URI + "Review");
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// Let's add stuff into the ABox
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Resource kimishima = aboxModel.createResource(ownUri+"Kimishima");
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Resource kimishima = aboxModel.createResource(OWN_URI + "Kimishima");
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kimishima.addProperty(rdfType, foafPerson);
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kimishima.addProperty(foafFamilyName, "Kimishima");
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kimishima.addProperty(foafGivenName, "Tatsumi");
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Resource nintendo = aboxModel.createResource(ownUri+"Nintendo");
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Resource nintendo = aboxModel.createResource(OWN_URI + "Nintendo");
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nintendo.addProperty(rdfType, foafOrganization);
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nintendo.addProperty(foafName, "Nintendo Co., Ltd.");
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nintendo.addProperty(foundingYear, aboxModel.createTypedLiteral(1889));
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nintendo.addProperty(ceo, kimishima);
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Resource wii = aboxModel.createResource(ownUri+"Wii");
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Resource wii = aboxModel.createResource(OWN_URI + "Wii");
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wii.addProperty(rdfType, gameConsole);
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wii.addProperty(madeBy, nintendo);
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Resource wiiU = aboxModel.createResource(ownUri+"Wii_u");
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Resource wiiU = aboxModel.createResource(OWN_URI + "Wii_u");
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wiiU.addProperty(rdfType, gameConsole);
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wiiU.addProperty(internetEnabled, aboxModel.createTypedLiteral(true));
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wiiU.addProperty(consoleName, "Wii U");
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@ -162,48 +178,41 @@ public class Generator {
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wiiU.addProperty(releaseYear, aboxModel.createTypedLiteral(2012));
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wiiU.addProperty(madeBy, nintendo);
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Resource cSwitch = aboxModel.createResource(ownUri+"Switch");
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Resource cSwitch = aboxModel.createResource(OWN_URI + "Switch");
|
||||
wiiU.addProperty(successorOfConsole, cSwitch);
|
||||
cSwitch.addProperty(rdfType, portableGameConsole);
|
||||
cSwitch.addProperty(releaseYear, aboxModel.createTypedLiteral(2017));
|
||||
cSwitch.addProperty(madeBy, nintendo);
|
||||
|
||||
Resource jpt = aboxModel.createResource(ownUri+"JPT");
|
||||
|
||||
Resource jpt = aboxModel.createResource(OWN_URI + "JPT");
|
||||
jpt.addProperty(rdfType, foafPerson);
|
||||
jpt.addProperty(foafName, "Jan Philipp Timme");
|
||||
|
||||
Resource maschell = aboxModel.createResource(ownUri+"Maschell");
|
||||
Resource maschell = aboxModel.createResource(OWN_URI + "Maschell");
|
||||
maschell.addProperty(rdfType, foafPerson);
|
||||
maschell.addProperty(foafName, "Marcel Felix");
|
||||
|
||||
Resource switchReviewByJPT = aboxModel.createResource(ownUri+"SwitchReviewByJPT");
|
||||
|
||||
Resource switchReviewByJPT = aboxModel.createResource(OWN_URI + "SwitchReviewByJPT");
|
||||
switchReviewByJPT.addProperty(rdfType, revReview);
|
||||
switchReviewByJPT.addProperty(revReviewer, jpt);
|
||||
switchReviewByJPT.addProperty(revText, "Yet another gaming console. I lost a tetris game once. Meh.");
|
||||
|
||||
|
||||
cSwitch.addProperty(revHasReview, switchReviewByJPT);
|
||||
|
||||
cSwitch.addProperty(hasPrice, "329,00€");
|
||||
|
||||
|
||||
// Store the model into a file
|
||||
Generator.writeModelToTurtleFile(aboxModel, "./output/abox.ttl");
|
||||
Generator.writeModelToJsonFile(aboxModel, "./output/abox.json");
|
||||
}
|
||||
|
||||
private static void writeModelToTurtleFile(Model model, String path) {
|
||||
FileOutputStream outfile = null;
|
||||
try {
|
||||
outfile = new FileOutputStream(path);
|
||||
model.write(outfile, "TURTLE");
|
||||
} catch (FileNotFoundException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
Generator.writeModelFile(aboxModel, outputPath, A_BOX_FILENAME_TTL, MODEL_TURTLE);
|
||||
Generator.writeModelFile(aboxModel, outputPath, A_BOX_FILENAME_JSON, MODEL_JSON);
|
||||
Generator.writeModelFile(aboxModel, outputPath, A_BOX_FILENAME_XML, MODEL_RDF_XML);
|
||||
}
|
||||
|
||||
private static void writeModelToJsonFile(Model model, String path) {
|
||||
private static void writeModelFile(Model model, String path, String filename, String format) {
|
||||
FileOutputStream outfile = null;
|
||||
try {
|
||||
outfile = new FileOutputStream(path);
|
||||
model.write(outfile, "JSON-LD");
|
||||
outfile = new FileOutputStream(path + "/" + filename);
|
||||
model.write(outfile, format);
|
||||
} catch (FileNotFoundException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue