Inheritance: SemWeb.RdfWriter
Ejemplo n.º 1
0
        public void Run(IComponentsConfig config, string targetFile)
        {
            var rdfStore = new MemoryStore();

            rdfStore.Add(new Statement(NS.CSO.classEntity, NS.Rdfs.subClassOf, NS.Rdfs.ClassEntity));
            rdfStore.Add(new Statement(NS.CSO.interfaceEntity, NS.Rdfs.subClassOf, NS.Rdfs.ClassEntity));

            var assemblyExtractor = new AssemblyMetadata();
            assemblyExtractor.Extract( System.Web.HttpRuntime.BinDirectory, rdfStore);

            var configExtractor = new WinterMetadata();
            var baseUri = String.IsNullOrEmpty(BaseUri) ?
                "file:///"+System.Web.HttpRuntime.AppDomainAppPath.Replace('\\','/')+"#" :
                BaseUri;
            configExtractor.BaseNs = baseUri;
            configExtractor.Extract(config, rdfStore);

            using (RdfXmlWriter wr = new RdfXmlWriter(targetFile)) {
                wr.BaseUri = NS.NrMeta;
                wr.Namespaces.AddNamespace(NS.DotNet.Type, "type");
                wr.Namespaces.AddNamespace(NS.DotNet.Property, "prop");
                wr.Namespaces.AddNamespace(NS.NrMetaTerms, "nr");
                wr.Write(rdfStore);
            }
        }
Ejemplo n.º 2
0
        public void InteropSemWebWriteVia()
        {
            Graph g = new Graph();
            FileLoader.Load(g, "InferenceTest.ttl");

            MemoryStore mem = new MemoryStore();
            SemWebConverter.ToSemWeb(g, mem);

            RdfWriter writer = new RdfXmlWriter("semweb.rdf");
            writer.Write(mem);
            writer.Close();

            //Read the output graph back in to check for equality
            Graph h = new Graph();
            FileLoader.Load(h, "semweb.rdf");

            Assert.AreEqual(g, h, "Graphs should have been equal");
        }
Ejemplo n.º 3
0
    public static void Main()
    {
        MemoryStore store = new MemoryStore();

        Entity computer = new Entity("http://example.org/computer");
        Entity says = "http://example.org/says";
        Entity wants = "http://example.org/wants";
        Entity desire = new BNode();
        Entity description = new Entity("http://example.org/description");

        store.Add(new Statement(computer, says, (Literal)"Hello world!"));
        store.Add(new Statement(computer, wants, desire));
        store.Add(new Statement(desire, description, (Literal)"to be human"));
        store.Add(new Statement(desire, RDF+"type", (Entity)"http://example.org/Desire"));

        using (RdfWriter writer = new RdfXmlWriter(Console.Out)) {
            writer.Namespaces.AddNamespace("http://example.org/", "ex");
            writer.Write(store);
        }
    }
Ejemplo n.º 4
0
        static void Main(string[] args)
        {
            var rdfStore = new MemoryStore();

            //rdfStore.Add(new Statement(NS.CSO.classEntity, NS.Rdfs.subClassOf, NS.Rdfs.ClassEntity));
            //rdfStore.Add(new Statement(NS.CSO.interfaceEntity, NS.Rdfs.subClassOf, NS.Rdfs.ClassEntity));

            var rdfsReasoner = new RDFS();
            rdfsReasoner.LoadSchema(rdfStore);
            rdfStore.AddReasoner(rdfsReasoner);

            /*using (var wr = new RdfXmlWriter(Console.Out)) {
                wr.BaseUri = NS.NrMeta;
                wr.Write(rdfStore);
            }*/

            /*var r = rdfStore.Contains(new Statement(
                (Entity)(NS.NrDotNetType + "NReco.Operations.ChainOperationCall"),
                (Entity)NS.Rdfs.subClassOfEntity,
                (Entity)(NS.NrDotNetType + "NReco.Operations.OperationCall") )); //
            Console.WriteLine(r.ToString());*/
            /*foreach (Statement s in rdfStore.Select(new Statement(
                    (Entity)(NS.NrDotNetProp+"ContextFilter"),
                    (Entity)NS.Rdfs.domainEntity,
                    null))) { //Entity)(NS.NrDotNetType + "NReco.IProvider`2")
                Console.WriteLine(s.Object.Uri.ToString());
            }*/
            /*Query query = new GraphMatch(new N3Reader(new StringReader(rdfQuery)));
            QueryResultSink sink = new SparqlXmlQuerySink(Console.Out);
            query.Run(rdfStore, sink); */

            using (RdfXmlWriter wr = new RdfXmlWriter(@"c:\temp\_1.rdf")) {
                //wr.BaseUri = NS.NrMeta;
                //wr.Namespaces.AddNamespace(NS.DotNet.Type, "t");
                //wr.Namespaces.AddNamespace(NS.DotNet.Property, "p");
                wr.Write(rdfStore);
            }
            Console.ReadKey();
        }
Ejemplo n.º 5
0
    public static void Main()
    {
        Store store = new MemoryStore();
        store.Import(RdfReader.LoadFromUri(new Uri(example_foaf_file)));

        // Dump out the data, for fun
        using (RdfWriter writer = new RdfXmlWriter(Console.Out)) {
            writer.Write(store);
        }

        Console.WriteLine("These are the people in the file:");
        foreach (Statement s in store.Select(new Statement(null, rdftype, foafPerson))) {
            foreach (Resource r in store.SelectObjects(s.Subject, foafname))
                Console.WriteLine(r);
        }
        Console.WriteLine();

        Console.WriteLine("And here's RDF/XML just for some of the file:");
        using (RdfWriter w = new RdfXmlWriter(Console.Out)) {
            store.Select(new Statement(null, foafname, null), w);
            store.Select(new Statement(null, foafknows, null), w);
        }
        Console.WriteLine();
    }
        private void ButtonGroupAdd_Click(object sender, EventArgs e)
        {
            if (ListViewCandidates.SelectedItems.Count < 2)
            {
                MessageBox.Show("To use the Group add functionality you have to select at least 2 candidates from the list");
                return;
            }

            Store tempStore = new MemoryStore();
            foreach (ListViewItem item in ListViewCandidates.SelectedItems)
            {
                string label = (item.Tag as Tuple<string, double>).Item1;
                string uri = GetSuggestedConceptUri(label);
                if (_ao.ConceptUriToDescription.ContainsKey(uri))
                {
                    MessageBox.Show("The concept with uri " + uri + " already exists. Ignoring it.");
                    continue;
                }
                if (_ao.ConceptLabelToUri.ContainsKey(label.ToLower()))
                {
                    MessageBox.Show("The label " + label + " is already assigned to concept " + _ao.ConceptLabelToUri[label.ToLower()] + ". Skipping the label.");
                    continue;
                }
                tempStore.Add(new Statement(new Entity(uri), AnnotationOntology.RelRdfsLabel, (Literal)label));
            }

            // remove the added items
            List<ListViewItem> selectedItems = new List<ListViewItem>(from ListViewItem item in ListViewCandidates.SelectedItems select item);
            foreach (var item in selectedItems)
                ListViewCandidates.Items.Remove(item);

            // send the statements as an event
            System.IO.StringWriter strWriter = new System.IO.StringWriter();
            RdfXmlWriter.Options options = new RdfXmlWriter.Options();
            options.EmbedNamedNodes = false;
            using (RdfWriter writer = new RdfXmlWriter(strWriter, options))
                writer.Write(tempStore);
            string newRDFData = strWriter.ToString();
            SendRDFData(newRDFData);
            _ao.AddNewRDFData(newRDFData, true);
        }
        private void ButtonAddSelectedConcept_Click(object sender, EventArgs e)
        {
            string candidate = TextBoxLabels.Text;
            Debug.Assert(!string.IsNullOrEmpty(candidate));

            if (string.IsNullOrEmpty(TextBoxConceptUri.Text))
            {
                MessageBox.Show("You have to specify a URI of the concept.");
                return;
            }

            if (_ao.ConceptUriToDescription.ContainsKey(TextBoxConceptUri.Text) && _editingExistingConcept == false)
            {
                MessageBox.Show("The concept with uri " + TextBoxConceptUri.Text + " already exists. Please specify a unique URI.");
                return;
            }

            // compute what are all the labels for the concept
            List<string> labels = candidate.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).ToList();
            labels = (from label in labels select label.Trim()).ToList();

            if (labels.Count == 0)
            {
                MessageBox.Show("You have to specify at least one label for the concept.");
                return;
            }

            string uri = TextBoxConceptUri.Text;
            Entity concept = new Entity(uri);

            Store tempStore = new MemoryStore();
            foreach (string label in labels)
            {
                if (_ao.ConceptLabelToUri.ContainsKey(label.ToLower()) && _editingExistingConcept == false)
                {
                    MessageBox.Show("The label " + label + " is already assigned to concept " + _ao.ConceptLabelToUri[label.ToLower()] + ". Skipping the label.");
                    continue;
                }
                tempStore.Add(new Statement(concept, AnnotationOntology.RelRdfsLabel, (Literal)label));
            }

            if (!string.IsNullOrEmpty(TextBoxDescription.Text))
                tempStore.Add(new Statement(concept, AnnotationOntology.RelRdfsComment, (Literal)TextBoxDescription.Text));

            foreach (ListViewItem item in ListViewRelated.Items)
            {
                string conceptUri = (string)item.Tag;
                string relationStr = item.SubItems[2].Text;
                tempStore.Add(new Statement(concept, (Entity)_relationToUri[relationStr], new Entity(conceptUri)));
            }

            // send the statements as an event
            System.IO.StringWriter strWriter = new System.IO.StringWriter();
            RdfXmlWriter.Options options = new RdfXmlWriter.Options();
            options.EmbedNamedNodes = false;
            using (RdfWriter writer = new RdfXmlWriter(strWriter, options))
                writer.Write(tempStore);
            string newRDFData = strWriter.ToString();

            SendRDFData(newRDFData);
            _ao.AddNewRDFData(newRDFData, true);

            // remove the added items
            List<ListViewItem> selectedItems = new List<ListViewItem>(from ListViewItem item in ListViewCandidates.SelectedItems select item);
            foreach (var item in selectedItems)
                ListViewCandidates.Items.Remove(item);
            TextBoxLabels.Text = "";
            TextBoxConceptUri.Text = "";
            TextBoxDescription.Text = "";
            ListViewRelated.Items.Clear();
        }
        /// <summary>
        /// new ontology concepts can be added while KEUI is running. we have to store the new data
        /// </summary>
        public void SaveAnnotationOntology(string fileName)
        {
            try
            {
                string RDFS = "http://www.w3.org/2000/01/rdf-schema#";
                string RDF = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
                Entity rdfValue = RDF + "value";
                Entity rdfsComment = RDFS + "comment";

                // remove existing value properties
                _conceptsStore.Remove(new Statement(null, rdfValue, null));

                // create new value properties with updated values
                foreach (Statement s in _conceptsStore.Select(new Statement(null, rdfsComment, null)))
                {
                    int value = GetConceptFrequencyCount(s.Subject.Uri);
                    if (value > 0)
                        _conceptsStore.Add(new Statement(s.Subject.Uri, rdfValue, (Literal)value.ToString()));
                }

                string tempName = fileName + ".temp";
                RdfXmlWriter.Options options = new RdfXmlWriter.Options();
                options.EmbedNamedNodes = false;
                using (RdfWriter writer = new RdfXmlWriter(tempName, options))
                {
                    writer.Namespaces.AddNamespace("http://example.org/", "ex");
                    writer.Namespaces.AddNamespace("http://www.w3.org/2002/27/owl#", "owl");
                    writer.Namespaces.AddNamespace("http://dbpedia.org/ontology/", "DBpedia");
                    writer.Namespaces.AddNamespace("http://ailab.ijs.si/alert/predicate/", "ailab");
                    writer.Namespaces.AddNamespace("http://purl.org/dc/terms/", "purl");
                    writer.Namespaces.AddNamespace("http://www.w3.org/1999/02/22-rdf-syntax-ns#", "rdf");
                    writer.Namespaces.AddNamespace("http://www.w3.org/2000/01/rdf-schema#", "rdfs");

                    writer.Write(_conceptsStore);
                }

                // if we successfully saved the ontology to the temp name only then rename the temp file to the correct name
                if (System.IO.File.Exists(fileName))
                    System.IO.File.Delete(fileName);
                System.IO.File.Move(tempName, fileName);
            }
            catch (Exception ex)
            {
                AddEvent("Exception while saving the annotation ontology. Error: " + ex.Message);
                GenLib.Log.LogService.LogException("Exception while saving the annotation ontology", ex);
            }
        }
        public string GetAnnotationOntologyRDF(bool includeComment, bool includeLinksTo)
        {
            try
            {
                Store smallStore = new MemoryStore();
                foreach (Statement s in _conceptsStore.Select(new Statement(null, null, null)))
                {
                    if (s.Predicate == RelRdfsComment && includeComment == false)
                        continue;
                    if (s.Predicate == RelDbAbstract && includeComment == false)
                        continue;
                    if (s.Predicate == RelLinksTo && includeLinksTo == false)
                        continue;
                    smallStore.Add(s);
                }

                System.IO.StringWriter strWriter = new System.IO.StringWriter();
                RdfXmlWriter.Options options = new RdfXmlWriter.Options();
                options.EmbedNamedNodes = false;
                using (RdfWriter writer = new RdfXmlWriter(strWriter, options))
                {
                    writer.Namespaces.AddNamespace("http://example.org/", "ex");
                    writer.Namespaces.AddNamespace("http://www.w3.org/2002/27/owl#", "owl");
                    writer.Namespaces.AddNamespace("http://dbpedia.org/ontology/", "DBpedia");
                    writer.Namespaces.AddNamespace("http://ailab.ijs.si/alert/predicate/", "ailab");
                    writer.Namespaces.AddNamespace("http://purl.org/dc/terms/", "purl");
                    writer.Namespaces.AddNamespace("http://www.w3.org/1999/02/22-rdf-syntax-ns#", "rdf");
                    writer.Namespaces.AddNamespace("http://www.w3.org/2000/01/rdf-schema#", "rdfs");

                    writer.Write(smallStore);
                }
                return strWriter.ToString();
            }
            catch (Exception ex)
            {
                AddEvent("Exception while sending the annotation ontology as string. Error: " + ex.Message);
                GenLib.Log.LogService.LogException("Exception while sending the annotation ontology as string", ex);
                return "";
            }
        }
Ejemplo n.º 10
0
    public Hashtable Validate()
    {
        string content = HttpContext.Current.Request.Form["content"];
        string format = HttpContext.Current.Request.Form["format"];
        if (content == null || content.Trim() == "" || format == null) {
            HttpContext.Current.Response.Redirect("index.xpd");
            throw new InvalidOperationException();
        }

        StringWriter output = new StringWriter();

        RdfReader reader;
        RdfWriter writer;

        Hashtable response = new Hashtable();

        response["InDocument"] = AddLineNumbers(content);

        if (format == "xml") {
            reader = new RdfXmlReader(new StringReader(content));
            writer = new N3Writer(output);
            response["InFormat"] = "RDF/XML";
            response["OutFormat"] = "Notation 3";
        } else if (format == "n3") {
            reader = new N3Reader(new StringReader(content));
            writer = new RdfXmlWriter(output);
            response["OutFormat"] = "RDF/XML";
            response["InFormat"] = "Notation 3";
        } else {
            throw new Exception("Invalid format.");
        }

        response["Validation"] = "Syntax validated OK.";

        response["OutDocument"] = "";
        response["Triples"] = "";

        MemoryStore data = new MemoryStore();
        try {
            data.Import(reader);
        } catch (Exception e) {
            response["Validation"] = "Validation failed: " + e.Message + ".";
            return response;
        } finally {
            if (reader.Warnings.Count > 0) {
                response["Validation"] += "  There were warnings: ";
                foreach (string warning in reader.Warnings)
                    response["Validation"] += " " + warning + ".";
            }
        }

        writer.Namespaces.AddFrom(reader.Namespaces);

        try {
            writer.Write(data);
            writer.Close();
            response["OutDocument"] = output.ToString();
        } catch (Exception e) {
            response["OutDocument"] = e.Message;
        }

        StringWriter triplesoutput = new StringWriter();
        using (NTriplesWriter tripleswriter = new NTriplesWriter(triplesoutput)) {
            tripleswriter.Write(data);
        }
        response["Triples"] = triplesoutput.ToString();

        return response;
    }