Relative URI Handling in JSON-LD

All,

Can anyone shed light on the ability to use relative HTTP URIs to
identify relations (keys in json parlance) via JSON-LD [1] ?

I have an RDF-Turtle example that I am struggling to replicate in JSON-LD.

Links:

[1] https://twitter.com/kidehen/status/913134180317515777 -- depicts the
dilemma I've encountered

[2]
http://kingsley.idehen.net/DAV/home/kidehen/Public/Linked%20Data%20Documents/Nanotations/basic-test2.txt
-- sample

-- 
Regards,

Kingsley Idehen       
Founder & CEO 
OpenLink Software   (Home Page: http://www.openlinksw.com)

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