The VicSoft.Rdf Parser is licensed under a Creative Commons Licence. Please note that this is a ShareAlike licence. Any distribution after modification must be shared. If you are unable to comply, please contact VicSoft for a suitable licence.

[ RDF Licence ]

Download VicSoft.Rdf Parser 1.0 (build 1464) [Binaries]

Download VicSoft.Rdf Parser 1.0 (build 1464) [Source]

// Ensure that this namespace import appears at the top of your class file
using VicSoft.Rdf;

// Create a parser object. The RdfParser class implements the IRdfParser interface
IRdfParser parser = new RdfParser();

// Try my FOAF
string rdfPath = "http://www.schemaweb.info/foaf/vlindesay.xml";

// Or try the URL of this page to extract the RDF license (Parser.aspx is XHTML therefore will load into the parser)
// string rdfPath = "http://www.schemaweb.info/parser/Parser.aspx";

// Create a Uri object with the URL string
Uri rdfUri = new Uri(rdfPath);

// Load the parser with RDF/XML from the URL
parser.Load(rdfUri);
                
// Get all statements from the graph using the wildcard null for subject, predicate and object parameters
Statements statements = parser.GetStatements(null, null, null);

// Use a foreach loop to iterate through the statements collection and get the subject, predicate and object objects
foreach (Statement statement in statements)
{
    Subject subject = statement.Subject;
    Predicate predicate = statement.Predicate;
    VicSoft.Rdf.Object obj = statement.Object;
    
    string subjectValue = subject.Value;
    string subjectType = subject.Type;
    string predicateValue = predicate.Value; 
    string objectValue = obj.Value;
    string objectType = obj.Type;
    string objectDataType = obj.DataType;
    string objectLanguage = obj.Language;
    
    // Do something interesting with these values here 
}

// Serialise the whole graph into XML
string statementsXml = statements.Xml;

// Do something interesting with the XML - some XSLT perhaps?

// Find all URIs of type foaf:Person
Subjects people = parser.GetSubjects("http://www.w3.org/1999/02/22-rdf-syntax-ns#type", "http://xmlns.com/foaf/0.1/Person");                

// Use a foreach loop to iterate through the subjects collection
foreach (Subject person in people)
{
    // Get the collection of names for this person
    Objects nameObjects = parser.GetObjects(person.Value, "http://xmlns.com/foaf/0.1/name");
    // Get the first name object - Assume that a person has only one name
    VicSoft.Rdf.Object nameObject = nameObjects[0];
    // Get the person's name
    string name = nameObject.Value;

    // Do something useful with the name here
}

// Use a for loop with a counter to iterate through the subjects collection
for (int i = 0; i < people.Count; i++)
{
    // Get the person URI
    Subject person = people[i];
    // Get the collection of names for this person
    Objects nameObjects = parser.GetObjects(person.Value, "http://xmlns.com/foaf/0.1/name");
    // Get the first name object
    VicSoft.Rdf.Object nameObject = nameObjects[0];
    // Get the XML serialisation of this name object
    string xml = nameObject.Xml;

    // Do something useful with the XML here
}