Am 09.06.2016 um 17:36 schrieb Simon Poole: > > Am 09.06.2016 um 17:06 schrieb Robert Whittaker (OSM lists): >> Also (and it may be deliberate) this guideline doesn't address the >> question of what filtering / querying you can do with your collective >> database. For instance, under the guideline I can take OSM restaurant >> data, and add third-party ratings data to each entry, and it will be a >> collective database. But what if I then do a query that returns the >> locations of restaurants that have >4* ratings in a certain area and >> just show those to users? Is this filtered dataset -- including the >> ratings used to create it -- subject to share-alike, or is it still a >> collective database of OSM restaurant names and locations, together >> with independent ratings? > I don't quite see the problem: > > - the OSM component of a Collective Database retains its licensing terms > regardless of what you do with it. > - if you don't create a database, you don't create a database. As the > ODbL states you can use a Collective Database to create a Produced Work > without creating an intermediate Derivative Database, typically on the > fly generated results for display purposes will be Produced Works. > - if you created a dataset from the filtered results and publicly used > it, yes, likely you would have to honour a request for the OSM > component (which naturally would implicitly contain the information > where those 4* restaurants are) TANSTAAFL. > > Simon > Small further note: the Collective Database guidelines assumes the same as we do in the "Region Extract" guideline, that the geographic extent of a OSM extract to not invoke share-alike/be a Derivative Database has to be at least country size, that would naturally apply in your example too, so creating smaller extracts would fall afoul of this rule.
Simon
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