Test: Manipulate MemModel

<?xml version="1.0"?>
<rdf:RDF
xml:base="http://www.w3.org/Home/Lassila.rdf#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:ex="http://example.org/stuff/1.0/"
xmlns:s="http://description.org/schema/">
<rdf:Description rdf:about="http://www.w3.org/Home/Lassila">
<s:Creator>
<rdf:Description rdf:nodeID="b85740">
<rdf:type rdf:resource="http://description.org/schema/Person"/>
<ex:Name rdf:datatype="http://www.w3.org/TR/xmlschema-2#string">Ora Lassila</ex:Name>
<ex:Email>lassila@w3.org</ex:Email>
</rdf:Description>
</s:Creator>
</rdf:Description>
</rdf:RDF>

// Include RAP
define("RDFAPI_INCLUDE_DIR", "./../api/");
include(RDFAPI_INCLUDE_DIR . "RDFAPI.php");

// Filename of an RDF document
$base="example1.rdf";

// Create a new MemModel
$model = ModelFactory::getDefaultModel();

// Load and parse document
$model->load($base);

// Output model as HTML table
$model->writeAsHtmlTable();

Base URI: http://www.w3.org/Home/Lassila.rdf#

Size: 4

No.

Subject

Predicate

Object

1.

Resource: http://www.w3.org/Home/Lassila

Resource: http://description.org/schema/Creator

Blank Node: b85740

2.

Blank Node: b85740

RDF Node: http://www.w3.org/1999/02/22-rdf-syntax-ns#type

Resource: http://description.org/schema/Person

3.

Blank Node: b85740

Resource: http://example.org/stuff/1.0/Name

Literal: Ora Lassila (rdf:datatype="http://www.w3.org/TR/xmlschema-2#string")

4.

Blank Node: b85740

Resource: http://example.org/stuff/1.0/Email

Literal: lassila@w3.org

// Ceate new statements and add them to model
$statement1 = new Statement(new Resource("http://www.w3.org/Home/Lassila"),
new Resource("http://description.org/schema/Description"),
new Literal("Lassila's personal Homepage", "en"));

$statement2 = new Statement(new Resource("http://www.w3.org/Home/Lassila"),
new Resource("http://description.org/schema/Description"),
new Literal("Lassilas persönliche Homepage ", "de"));

$model->add($statement1);
$model->add($statement2);

$model->writeAsHtmlTable();

Base URI: http://www.w3.org/Home/Lassila.rdf#

Size: 6

No.

Subject

Predicate

Object

1.

Resource: http://www.w3.org/Home/Lassila

Resource: http://description.org/schema/Creator

Blank Node: b85740

2.

Blank Node: b85740

RDF Node: http://www.w3.org/1999/02/22-rdf-syntax-ns#type

Resource: http://description.org/schema/Person

3.

Blank Node: b85740

Resource: http://example.org/stuff/1.0/Name

Literal: Ora Lassila (rdf:datatype="http://www.w3.org/TR/xmlschema-2#string")

4.

Blank Node: b85740

Resource: http://example.org/stuff/1.0/Email

Literal: lassila@w3.org

5.

Resource: http://www.w3.org/Home/Lassila

Resource: http://description.org/schema/Description

Literal: Lassila's personal Homepage (xml:lang="en")

6.

Resource: http://www.w3.org/Home/Lassila

Resource: http://description.org/schema/Description

Literal: Lassilas persönliche Homepage (xml:lang="de")

// Build search index to speed up searches.
$model->index();

// Search model 1
$homepage = new Resource("http://www.w3.org/Home/Lassila");
$res = $model->find($homepage, NULL, NULL);

$res->writeAsHtmlTable();
echo "<P>";

// Search model 2
$description = new Resource("http://description.org/schema/Description");
$statement = $model->findFirstMatchingStatement($homepage, $description, NULL);

// Check if something was found and output result
if ($statement) {
echo $statement->toString();
} else {
echo "Sorry, I didn't find anything.";
}
echo "<P>";

// Search model 3
$res3 = $model->findVocabulary("http://example.org/stuff/1.0/");
$res3->writeAsHtmlTable();
echo "<P>";

Base URI: http://www.w3.org/Home/Lassila.rdf#

Size: 2

No.

Subject

Predicate

Object

1.

Blank Node: b85740

Resource: http://example.org/stuff/1.0/Name

Literal: Ora Lassila (rdf:datatype="http://www.w3.org/TR/xmlschema-2#string")

2.

Blank Node: b85740

Resource: http://example.org/stuff/1.0/Email

Literal: lassila@w3.org

// Write model as RDF
$model->writeAsHtml();

// Save model to file
$model->saveAs("Output.rdf");