Quoting Kathy:

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I don't want bad data in the database. Mistakes happen and if the data was incorrectly entered, then I would prefer the profile be removed.

If DATA was entered incorrectly, it should be corrected. The only time a profile should be removed is if the EAN/UPC and/or locality is wrong.

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Often, the profile was carried over from the old site. If there are contribution notes, I would send the contributor a pm to ask them about the profile.

That's always a good idea.

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If the contribution is a valid one, I would expect that the owners of the DVD would chime in a vote against its removal.

If there are no contribution notes, and no voters expressing their opinion, it is likely that the data entry is incorrect.

No it is not. For starters I don't even have my DVD collection online so I can vote on them and I'm sure we have many users who never check or vote on new contributions. You'll need better evidence than that to convince me.

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The most important thing to me is that the contributor provide careful documentation outlining the rationale for the removal.

Indeed. But sometimes their rationale is just plain wrong, often because they lack experience with the specific locality.

I'm not sure an entry with no overview, no or wrong cast and incorrect cover scans can really be called good data, even if the UPC does exist.

It creates extra, unecessary work to keep these around. Let's say I fix something in a cast list. i would rather submit to 6 profiles and 10, 4 of which don't really exist.

Quoting Ace_of_Sevens:

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It creates extra, unecessary work to keep these around. Let's say I fix something in a cast list. i would rather submit to 6 profiles and 10, 4 of which don't really exist.

But this is your choice.  The only one(s) you need to fix are the ones in your posession.  The others (although I am happy for the extra effort) are an extended choice.

Charlie

You're right.  Nobody but Invelos can't stop you from becoming the self-designated profile police since we're allowed to submit updates to any profile we want, regardless of ownership status.  It's annoying, but we'll just have to live with it.

Quoting Ace_of_Sevens:

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I don't that's been proven at all. It could be the other places got their info from the same bad source as the original submitter.

The fact that those other places use it is more proof that it actuall exists, than you are offering that it doesn't.

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I don't see why I would have to be 100% sure. I'd rather have an online DB full of titles known to exist rather than ones which may or may not exist, but most of them probably do.

I don't see why it is so important that you remove all the titles that you don't think exist.  I don't see how it affects you in any way...other than you deciding to update profiles you really don't have to update in the first place. 

Quoting TheMadMartian:

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I don't see how it affects you in any way...

Well, that I certainly can see, as bad data in the database affects me every single day. These profiles, often carried over from the Intervocative days and never touched since, tend to contain IMDb-mined data, and as such, they affect the CLT numbers that we're all using. As the CLT numbers go, certainly when people are taking them on face value, one single IMDb-mined entry has the same "weight" as fifty "as credited" copies of the same film on DVD. So yeah, that's how it affects me: they cause people to keep propagating incorrect IMDb-name variants. Bad data (which is what these questionable profiles usually contain) throws off the CLT numbers - it's as simple as that.

It's really not a question of "well, as long as I don't have to look at it, it doesn't hurt me". It does. I agree that we need to be extremely careful when attempting such removals, but if it really shouldn't be there, and even contains bad data, then yeah, by all means, remove it! 

Quoting T!M:

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These profiles, often carried over from the Intervocative days and never touched since, tend to contain IMDb-mined" data, and as such, they affect the CLT numbers that we're all using.

In fact, those profile contain often useful real data, that are replaced but fictitious data generated by users who do not follow rules. What is called "IMDb mined" data is often correctly accented names, using, as rules ask, standard capitalization rules. As those profiles were contributed before Ken's "clarification" (clarification that just mudded the water since it was never introduced in the rules), we now get, for example, many Luis Guzman changes that are a real pain since they destroy the credibility of data when we download new profiles.