Jeremy,
As far as I know, there is no general consenus on the topic you pose - but rather than looking for consesus you should inquire with licensing typologies for data, remembering that data providers have done the same before you.
Also, in my opinion, the question you pose is too open to get you a straight reply, and the community may think you are trying to re-engineer stolen cars.
In an different (and more positive) interpretation I can give to your question, I would rather think you are trying to understand how to expose and provide proper acknowledgement for processing you may perform on a given data set, to produce "derivative"/updated data.
An example: you acquire a data package from a provide, including a road network, place name data, and land use for the region where you live, because you need it for a presentation, and you want to save time to prepare some maps.
you load the data on your beautiful preferred viewer, and you note blatant errors in the spelling of place names, and even more interesting errors in land use (specifically, a 2000 square km natural park area is classified as "urban").
but you need to have the correct data, for your presentation! T.B.I.C.! (the boss is coming...he signed the purchase order for the data set, and he lives right next to the park which the map does not show)...you need to do something...
you integrate the data sets by correcting the data (e.g. fix spelling issues in place names, which have not been attentively QA/QCed by the data provider, as this lives in a country different than yours).
....you have modified the data, with original work....would that make the whole data set yours ?....I don't think so.
but *the updates* are your original work, so you should again look into your preferred way to "protect" it...(copyleft, copyright etc. etc. etc.).
if the changes you propose are significant, there well may be a case to talk to the data provider and see if you can get an acknowledgement for this...
...your case may still be different, but I hope this discussion helps as food for thought.
regards to all
andrea giacomelli http://pibinko.altervista.org
p.s. a good set metadata with updated lineage information will not hurt, in any case. p.p.s. the example presented above refers to an actual business case which we had in a project in 2001....if anybody is interested to know how the story went, I'll be glad to share the ending.
----- Original Message ----- From: <DickBoyd@aol.com> To: <jeremy_olynik@hotmail.com>: < gislist@lists.geocomm.com> Sent: Friday, January 12, 2007 4:26 PM Subject: Re: [gislist] Protocol for citing sources of data?
> > In a message dated 1/12/2007 9:21:17 A.M. Pacific Standard Time, > jeremy_olynik@hotmail.com writes: > > I'm wondering if there is a general consensus out there when it comes to > the > > issue of having to reference sources of data and what constitutes > ownership > of data. At what point do we no longer have to cite the source of, for > example, imagery. How much do we have to change the appearance or > composition of a data layer (vector layer) in order for it to become an > original and no longer someone else's work? > > > _______________________________________________ gislist mailing list gislist@lists.geocomm.com http://lists.geocomm.com/mailman/listinfo/gislist
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