Excellent work strk, thanks for this!
Could you please provide some examples how this can be used in queries? Does it 
speed up querying for neighbours etc.?
Also, does it support network topologies, something I could use with pgrouting 
or so?

Thanks,
Martin
--

Martin Tomko, PhD.
Senior Project Manager, Information Infrastructure Design, AURIN
Level 5, Architecture Building
University of Melbourne VIC 3010
AUSTRALIA

T:  +61 3 9035 3298
E:  tom...@unimelb.edu.au <mailto:tom...@unimelb.edu.au>
W: www.aurin.org.au <www.aurin.org.au>
W: http://martintomko.wordpress.com/

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