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

Keller Stefan sfkeller at hsr.ch
Tue Jun 9 08:57:00 UTC 2015

Hi Hannes

I’m a sceptic of RDF technologies since they tend to ignore DB and IS technologies and I am happy that JSON-LD takes ground…

I don’t have too much experience in JSON-LD transport but more in JSON-LD for geo (which is not that far away topicwise): http://geojson.org/vocab .

At 1. Juni 2015 10:45 you wrote:
> * Diesen Freitag, 5. Juni, 18:45 Uhr, Hauptgebäude der ETH Zürich, Seminarraum HG D 5.1:
> Am Rande der http://make.opendata.ch/research Hackdays treffen wir uns für ein schnelles spontanes Update.

Any news about that?

Yours, Stefan

P.S. See you at http://opendata.ch/2015 conference July 1st in Berne.

Von: Hannes Gassert [mailto:hannes at opendata.ch]
Gesendet: Dienstag, 9. Juni 2015 10:16
An: open-transport
Cc: transport-wg at opendata.ch
Betreff: JSON-LD Support for Public Transport

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<http://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,

[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.

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+41 78 663 11 09 // hannes.gassert at opendata.ch<mailto:hannes.gassert at opendata.ch>
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