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

Hannes Gassert hannes at gassert.ch
Wed Jun 10 05:28:30 UTC 2015


I was of course expecting your reply, thanks! :)

Do you know of any initiative to bake linked public transport data in any
widely used product? And significant linked data publishers in this field,
apart from perhaps http://transport.data.gov.uk/? It sounds like the
future, but how close is it to the present, from your p.o.v?


On Tue, Jun 9, 2015 at 1:49 PM, Pieter Colpaert <pieter.colpaert at okfn.org>

> 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
> something.
> 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 :)
> Pieter
> 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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Hannes Gassert  |  http://gassert.ch  |  +41 78 663 11 09
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