Sander Deryckere <sander...@gmail.com> writes: > Sindce I don't seem to get a reply, I'll ask my question again:
I think it's that you asked a hard question. >> De Lijn, the Flemish public bus transport organization wants to donate >> their data to OSM. But before they decide to do so, they want some >> guarantees. They ask how fast the map will be actualized. Is it good they do >> one big upload and keep the actualization of the map to volunteers? In that >> case, are there statistics I can show to convince them the map will be >> actual? There are no guarantees. >> As a second thing, they ask who would be responsible for incorrect data. I >> believe that the OSM licenses (both CC-BY-SA and ODBL) have some text that >> says they give no warranty for correctness, am I correct on this? Or who >> gives warranty for correctness? There are no warranties. There is a historical experience, which shows that OSM data accuracy in many areas appears comparable to or better than proprietary maps. It might help to show them navteq/tele-atlas/osm in your area. or it might not. >> I believe there is no point in tagging when what line passes, it's changing >> to fast and it will produce horrible nodes or relationships. Am I right >> about this? Putting schedules in the map seems unwise to me; I think that's the consensus. being able to have a schedule file and have stop codes there and tie those to the map (as a foreign key across databases) sounds very sensible. >> Below, you have the original mails in dutch between Tom Geerts and me. This may be part of why few responded. Unfortunately Dutch is all greek to me (English expression for not understanding). So, where I think you need to get them to is to understand that if they publish their data and make it public domain, then very likely *they* have no liability, any more than they do when they hand out printed schedules. What we're talking about is them giving permission under whatever copyright/database-right law exists for others to use/copy/etc. the data. So if they would like to help, point out that they don't have to "donate to OSM". They can just publish with minimal restrictoins *not mentioning OSM at all* and then we can use it. If on the other hand, they are trying to get licensing revenue from other people but want to give it to OSM for free, then they could publish it under a dual "CC-BY-SA or ODBL" license. But a license restricted to OSM is incompatible. Basically, the only restriction that is compatible with OSM (cc-by-sa) is attribution - people have been putting source tags on the nodes. MassGIS (the state GIS department) has been content wth that. hope this helps.
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