[Open-transport] Fwd: Availability of historic AVL information at country scale

[Thomas Koch]

This might also interest some people on this mailinglist.


Op maandag 10 februari 2014 17:50:25 UTC+1 schreef Stefan de Konink:
>
> Hello, 
>
>
>
> Al you may have read in papers [1] Automatic Vehicle Location data is very 
> valuable for academic research. In The Netherlands such data has been 
> available at country scale for about 18 months and is used in online data 
> visualisation [2], realtime journey planners [3], GTFS-RT datastreams [4] 
> but most importantly: it has been historically collected!
>
>
> The bulk data contains *realtime* timestamps, GPS positions and every 
> arrival/departure call through the route. Some quantitative numbers; an 
> extracted day, converted to CSV is about 1GB of data and contains about 
> 7.000.000 rows of data, LZMA compressed about 80MB per day. We have also 
> recently started to export all *planned* arrival/departures per day. So 
> even if you are not interested in this from a transport perspective, the 
> big data aspect might trigger you. Technical specifications can be found 
> here: https://ndovloket.nl/research/
>
>
> As non-profit foundation, and its main distributor, we are quite happy to 
> make this public transport information available for free under a liberal 
> license so it can be used in open access publications. [Sadly not yet CC-0, 
> but we are working that, about 1/3 is already CC-0 ;]
>
>
> We are extremely interested, academically speaking, if we could form some 
> sort of public database containing historic realtime information in such 
> way that researchers can sample multiple public transport networks for 
> their publications. If you have any question, feel free to write me 
> off-list. I'll be attending Datadays 2014, Belgium for face-to-face contact.
>
>
>
> Yours Sincerely,
>
>
> Stefan de Konink
>
> Stichting OpenGeo
>
>
>
> [1] http://dl.acm.org/citation.cfm?id=2471878.2472333&coll=DL&dl=GUIDE
>
> [2] http://ovradar.nl/ http://ovzoeker.nl/
>
> [3] http://opentripplanner.nl/
>
> [4] http://gtfs.ovapi.nl/new/
>
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