UriSchemes/hdl

"hdl" is uriReg:schemeName of [
  is uriReg:specifies of [
    = <http://www.handle.net/>;
    dc:title """CNRI handle system""";
 ];
]
.

• spec: CNRI handle system

This looks like a case of UriSpaceSquatting.----

See also other UriSchemes.

We're using NotationThree here, assuming TheUsualPrefixes.