Quoting Mithi:

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Quoting Lewis_Prothero:

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IMO Disc-ID profiles should be reserved for those releases that don't have a UPC/EAN (Box-Sets, etc).

Why?

First of all ask yourself a question:
- You buy a new DVD it has a UPC/EAN on the back. How would you enter it to your collection?

UPC/EAN is the default method for a reason, you can't even search for DiscID when trying to add a DVD. DiscID-profiles if not attached to a parent are usually lost in the depth of the database (except if you perform a Title-search, of course)

Edited by user for being incorrect

See post from Kathy below.

Thanks Kathy!

As one might have seen I didn't know of this.

Quoting TheMadMartian:

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I honestly don't understand doing this as disc ID entries do not impact the quality of the database.  In fact, I would say removing them is what impacts the quality of the database for the people who use those profiles.

Yep, pretty much the first question that sprang to mind for me was how does this improve the database at all?

I understand getting rid of data for bootleg entries but for entries that are legitimate discs then it makes no sense to me.

It provides people with info that there is more than one release, so if they are thinking of buying a title they know what to look out for.

I do wish people would remember that a lot of these statements were written when the rules were called contribution guidelines, unfortunately when the title was changed to rules (for legitimate reasons) they weren't gone through with a fine toothcomb to iron out any potential issues that might arise from that title change. Of course it's an impossible job to cover every scenario...

Quoting Lewis_Prothero:

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Imagine a boxset that has a disc included that was previously released as UPC 000000000000, sadly this was a re-release so someone decided to submit it by Disc-ID.
Since the identical disc is now used for the boxset too the boxset-child suddenly has:
- Incorrect Release Date
- Incorrect SRP
- Incorrect Overview
- Incorrect Coverscans

Since the same disc (id) may find its way into multiple releases/packages there is no way to avoid this problem altogether.  I've seen discs find their way into multiple boxsets over the years.

Take a look at UPC: 012569-731264 released in 2006 and UPC: 883929-069200 released in 2010.  (By the way, the disc-level profiles reflect the 2010 release and not the 2006 release.)

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Quoting marcelb7:

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I feel I have to weigh in on this discussion, because I submitted these contributions. Over the past year or so, I have scanned the database for incorrect entries. UPCs that were entered under wrong localities, disc id profiles that weren't yet linked to box sets, and ... incorrect entries by disc id.

There are three simple lines in the contribution rules. The first one:

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When creating a new profile for contribution, the preferred method is to create from the UPC number.

the second one, which Lewis_Prothero already kindly supplied:

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If a title does not have a UPC, then add the title by Disc ID, using your DVD-ROM drive.

and lastly:

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Studios occasionally re-release titles with the same UPC, but with changed content – for example Cover Images, Case Type and Overview. All information in the main DVD Profiler database is to be for the Original Release version of the disc; do not contribute any information that is specific to a re-release. You can of course keep this re-release information in your local database profile, but do not contribute it to the main database.

Please note the words "for example" in the above quote. It does not mean that this rule is only and exclusively about cover images, case type and overview. The important part is "the same UPC".

So... if there's a disc id profile that has images with a UPC on it, it's quite clear that it's not a correct profile. Most of these were contributed by less-experienced users, and users that have long left DVD Profiler altogether.
Before flagging a profile for deletion, I always check the notes. Sometimes the profile is part of a box set, but the cover images of the regular UPC-release were used. There are also a lot of entries where the main blu-ray disc of a combopack has been contributed (see the last paragraph here).

Sometimes I get a PM with the question "why did you delete this perfectly ok profile?", and when I reply to them with the above quotes, 99% understand it.

My goal is to improve the quality of the database. Now if you'll excuse me, I still have a few 1000 profiles to get through... and after that I'll be checking release dates on box set entries, adding/updating original titles and production years, and removing incorrect birth years. A dirty job, but someone's got to do it!

Marcel, my problem stems from the that last part of the rules you quoted above. The rules state:

Studios occasionally re-release titles with the same UPC, but with changed content – for example Cover Images, Case Type and Overview. All information in the main DVD Profiler database is to be for the Original Release version of the disc; do not contribute any information that is specific to a re-release. You can of course keep this re-release information in your local database profile, but do not contribute it to the main database.

The part I bolded is where I lose you. This particular profile that I had created is NOT the original disc that is profiled under the UPC. The original disc was a flipper that contained a widescreen version of the movie and featurettes that are not included on this disc. Since this disc uses a completely new disc ID, submitting this re-release by disc ID is a valid way to profile this release. If this re-release had used the same disc ID as the original release, I never would've submitted the profile in the first place as that could've lead to confusion.

As for the other lines you pointed out, the first one simply says the "preferred method is to create from the UPC number". Preferred does not mean only. And the second line only mentions what to do when no UPC is present, not what to do when there's a duplicate UPC.

double post

Quoting Lewis_Prothero:

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you can't even search for DiscID when trying to add a DVD.

You're right... your sig does fit...