I have seen lots of great examples of the INSERT and the DELETE sparql
syntax, but not so much on the MODIFY.
Specifically what I am looking todo is modify a text property I have added
to an instance. For example I created an instace of a class Person. One
of the properties on a Person would be has:LastName. I wanted to write an
updateQuery that would
1) Find the instance of the Person I wanted to change. I am thinking I
would pass the uri name to identify the correct instance.
2) Update the has:LastName property.
I have 2 separate scripts currently for Insert and Delete. They work well.
My insert script uses an RDF from a URL as its input and inserts the data
into my ta_Ontology. The Delete uses the rdf from workspace and a URI name
I pass into the script.
Without much thought I put the two together thinking I could Insert a
property into an existing instance and then delete the old property. However
the script I jammed together does nothing.
Does anyone have any advice on how to construct a Modify script?
DELETE {
GRAPH
<*http://org.woo2theha.tb/ta_Ontology*<http://org.woo2theha.tb/ta_Ontology>>
{
?s ?property ?object .
} .
}
INSERT {
GRAPH
<*http://org.woo2theha.tb/ta_Ontology*<http://org.woo2theha.tb/ta_Ontology>>
{
?s ?property ?object .
} .
}
WHERE {
BIND (spif:buildURI("ta_Ontology:{?arg1}") AS ?subject) .
?subject ?prop ?object .
}
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