[Open-transport] JSON-LD Support for Public Transport

Pieter Colpaert pieter.colpaert at okfn.org
Tue Jun 9 11:49:48 UTC 2015

Hi Hannes,

I'm a big fan of json-ld (really: it is rdf, so no need to make the
distinction... It's just yet another serialisation ;) ) and have done some
projects already. Schema.org is great for search engines, but is limited
for algorithmic use or is limited when expressing the semantics of

This email is from my phone, but have a look on our github.com/opentransport
, where you'll see the vocabulary, linked-gtfs and stoptimes. Contains work
in progress. Linked gtfs can already be used.

Feel free to contact me through Skype for more info :)


Op di 9 jun. 2015 10:16 schreef Hannes Gassert <hannes at opendata.ch>:

> Dear Open Transport Data experts,
> Google understands "linked data" trip information in JSON-LD[1], in Gmail,
> Google Now and probably other places — but for flights only[2].
> As JSON-LD seems to deliver on the original promise of the semantic web
> ("my email program understands I have a flight to take, and can tell my
> calendar, yay!"), has pretty serious supporters from Healthdata.gov to
> Microsoft and is much, much easier to understand for common web folks than
> RDF, it does look interesting for sure. But now let's say we take a train
> ride and want to map that to JSON-LD. We could either try to use the schema
> for flights, just replacing airports with train stations. Might actually
> work, but only barely.
> Or we could petition the relevant players to support public transport
> schemata. Which do in fact exist, for JSON-LD, at schema.org[3].
> Did anybody ever try to do that? Anyone having real-life
> JSON-LD-for-Transport experience? Or doing research on this?
> I'm very interested in hearing your stories and input on this, I'm
> convinced deeper integration of better tools can make a huge difference for
> public transport!
> Looking forward to hearing from you,
> Hannes
> [1] See http://manu.sporny.org/2014/json-ld-origins-2/ for an
> entertaining, opinionated intro, or e.g https://youtu.be/vioCbTo3C-4
> [2] See
> https://developers.google.com/gmail/markup/reference/flight-reservation
> [3] See https://schema.org/TrainTrip, https://schema.org/BusTrip, etc.
> --
> Opendata.ch - Enabling Open Data in Switzerland
> Hannes Gassert // Founding Board Member
> +41 78 663 11 09 // hannes.gassert at opendata.ch
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