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Comment by nodata | Hacker News Reader

Either it's CC-BY-SA or it isn't. Maybe someone from Mapillary could comment.

To clarify: * Outgoing license is CC-BY-SA. "Mapillary Photos are available under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0)." from http://www.mapillary.com/legal.html * OSM has an explicit right to take data under their contributor terms http://www.mapillary.com/osm.html * The incoming license is per Mapillary ToS because we want to be able to use the photos for 3D/street view/recognition/etc

Also we do give attribution to photographers under every single photo.

(I'm on the Mapillary team)

I would like to archive your photo collection for safe keeping at archive.org in the winter. Would you be up to work together on that or should I just write me some scripts and go at it (with reasonable rate limiting)?

Are original files available or is thumb-2048.jpg the maximum public quality?

Are there really no location tags in the files? If so, your CC license is pretty much worthless as the images itself are not useful to anyone. :(

Let's figure something out together. Email us.

Will do when the time has come. Thanks!

The tracks with the location data may be used without special conditions: http://www.mapillary.com/osm.html

The images are indeed CC-BY-SA. Mapillary has an API / Apps etc which could be restricted under the terms they have published. The use of the services can be seen as being different from the image data.

e.g. Business plans: http://www.mapillary.com/business.html "The commercial plans only regulate the use of the APIs, the photos are still under Creative Commons."

So "you can use these images freely, but you have to first acquire them through our API, which you may not use quite freely," or am I missing something? This doesn't seem to make much sense.

Is it like Disneyland, where you pay at the gate and then enjoy whatever attractions you like? Or an all-you-can-eat buffet.

Maybe the relevant section is left over from the previous license, which was CC-BY-NC (http://blog.mapillary.com/update/2014/03/17/mapillary-goes-c...). Alternatively, IANAL but I imagine that the individual photos could still be CC-BY-SA (if, e.g., someone else redistributes them) but that the service itself cannot be used for commercial purposes. As bulk exports are prohibited (2.1) and dumps are not provided, however, this would mean that the data is CC-BY-SA in theory but hard to reuse commercially except for individual pictures.

The crucial information is the lat/long of each photo. If that's not licensed openly (and, as metadata, CC0 or ODbL would be better suited than CC-BY-SA) then it's just a nice collection of photos.

Exactly. I can't see me contributing to this if I can't be sure I'll be able to get all the pictures with all their metadata. There have been enough services built thanks to user contributions that closed their data later on. I think we deserve guarantees that this isn't going to happen.

> Either it's CC-BY-SA or it isn't.

Or it's dual-licenced... As I read the comment you are responding to, one could pick the license they like. If they pick CC-BY-SA, then they will have to share-alike and provide attribution, but it's allowed in commercial projects. If they want to use it in a non-commercial project, then they can use the T&C license and don't need to provide attribution.

I am not a lawyer, but I've seen dual-licensed projects before. Please do correct me if I'm wrong about this though.

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