WebID Identity Provider (IdP) tutorial
Checking if WebID and specific Public Key are in a relation Checking WebID

## Example

- The service is an alternative to using SPARQL queries via the SPARQL protocol against Virtuoso endpoints re. WebID verification i.e., lookup a profile graph to see if WebID and specific Public Key are in a relation.
- The webid_demo.vsp is a vsp page which implements WebID checking.
- The webid_demo.php is a PHP page which implements WebID checking.
- The webid_demo.html is a HTML (JS) page which implements WebID checking.