restarting the thread with a correct title now :)

2012/5/22 Platonides <platonides@gmail.com>
On 22/05/12 01:11, Kilian Kluge wrote:
> So what do I suggest you do instead?
>
> As I said, we're facing a similar (if not worse) situation in Germany.
> We have literally more than one thousand institutions and authorities
> that issue monument lists for areas ranging from single municipalities
> to whole states (in total, there are about 1 million monuments). Many
> of them do assign numbers, but they all start with 1, so we have the
> issue that the IDs are not unique.
>
> What we're going to do now that we have enough lists on Wikipedia: We
> will use an already existing numbering scheme called the
> Gemeindekennziffer which assings a unique code to each municipality as
> a prefix to the official IDs. (The actual system is a little more
> difficult, in fact, the Gemeindekennziffer is structured into
> different parts, for example the first to numbers tell you what state
> the municipality is in and so on. Therefore we'll just use the first
> two numbers of the code as the prefix for states that have unique IDs
> already.) This way, the IDs on Wikipedia and on Commons stay the
> official ones, only inside the database we add a prefix which is not
> OR but based on an official numbering scheme. I'm sure that you can
> find a similar numbering system for Italy!

What identifier is used by people when uploading the images?
If the unprefixed one, how do you find out automatically the municipality?