[OSM-legal-talk] Share-Alike requirements for other data sources?

[Rob]

Greetings & Salutations,

Thank you in advance for taking the time read and respond to this message.

After reading numerous  webpages regarding the OSM license I am still unclear regarding Share-Alike implications. 

I would like to confirm that I would not be required to license my sql db as Share-Alike.

Regarding OSM it is my goal to build a tile server based on OSM for serving map tiles for use in a commercial website project that will be accessed by the general public at no charge.

The website currently stores and retrieves data from a sql db containing information regarding various points of interest ( POI ) 

I would like to be able to places maps ( static / slippery ) generated by the tile server on various web pages throughout the website and then display a push pin(s), flag(s) or marker(s) in a separate layer above the map to highlight the location of the POI . 

Would it be required to share the data from the sql db containing the various points of interest or data which the general public has entered regarding those POI ?

It is not that I do not want to contribute to OSM it is that I need to be able to control, for various reasons, what is contributed to OSM from this project.  

From the following pages it appears that I would NOT be required to license my sql db as Share-Alike. 

http://www.osmfoundation.org/wiki/License

If you have a website using OSM-derived map tiles, Share-Alike applies to the map tiles. If you then put separate and distinct data layers on top, such as icons showing specialists points of interest or routes, track logs and the like, then Share-Alike does not apply to these elements as long as they do not interact with the map underneath.


http://wiki.openstreetmap.org/wiki/Open_Data_License/Use_Cases

Use Cases using OSM data and also other data sources
==================================================================
On-line map service using OSM data together with other data sources

The User wishes to combine OpenStreetMap data with other data sources to use on a web based service. The additional data could be one of nasa height data, public transport schedules, census data or many others. They may not wish, or may not be allowed to release the other data source as ODbL; it may for example be only available under '(C) all rights reserved' or on a 'non-commercial' license etc. The user does not improve or modify the OSM data, but does convert it into a suitable format for their application.

OK - Collective DB, but still requires the notice. 


Overlaying OSM maps with information without need to contribute back

A group of 8 year old kids spend a day in a local park mapping out locations where they find butterflies. They map this information using an OSM map and stick a copy on their local park's noticeboard. They do not wish to be expected to contribute this information back to OSM.

	• For the purposes of this use-case would rubbish bins be a better example than butterflies? User:80n

OK - Collective DB. Maybe not Substantial, but still needs the notice.


Thank you once again for your time.

Best Regards,
Rob
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