Hi Pragya,

Firstly, thank you reading and reaching out!

I will check this when I get a chance on Sunday but just from looking I would guess it may be a problem with the quotation marks. If you try deleting the “ ” characters (which you can see even here that Medium formats to make more pretty). Retype them in GraphDB and it should work without a problem.

The best resource regarding <urn> I can find is here.

The most up-to-date documentation (which explains an alternative to urn) is here.

Research Associate at Heriot-Watt University. Studying a PhD in Artificial Intelligence. Contact details at http://addlesee.co.uk/

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Angus Addlesee

Research Associate at Heriot-Watt University. Studying a PhD in Artificial Intelligence. Contact details at http://addlesee.co.uk/