The "New" tab in the Tags section contains tags so specific each one of them appear in one question only since their creation. This looks like a sign they aren't significant - or even pointless - and may be safely removed. Examples are: , , or .

I'm not sure though how to tell what tags are to be removed, and what are to be replaced by more appropriate and popular tags.

Should we simply remove such tags, or are there better tags we can use as replacements?

  • I have a list of questions I was going to stick two of those tags on over the upcoming long weekend, but since you asked this I went ahead and stuck them on a few right away. – Josh May 23 at 16:53
up vote 3 down vote accepted

Tags that are applied to only one question get automatically removed after a certain period of time, specifically because they are considered irrelevant.

I've implemented a routine that removes tags created more than 6 months ago which have been used only a single time. It will run monthly. (Source)

If you feel the tag is relevant, find another question to which it could be applied and add the tag to it, this will make sure that the tag is kept alive.

If not, nothing should be done, and let the magic system handle things :)

  • How long does it take on average? Just out of curiosity :) – liggiorgio May 23 at 15:33
  • Edited the answer: 6 months, +/- one month. – Alexandre Vaillancourt May 23 at 16:22

As Alexandre says, they'll get nuked automatically. You shouldn't need to do anything.

The three tags you listed, however, seem pretty relevant to game development. I added two of them. was used to replace and in a question about breaking an object into pieces at runtime based on some physics information. This is a really common operation in game development for destructible fences, props, et cetera with a variety of interesting solutions. "polygon algorithm" is a pretty useless way of describing that problem domain.

Similarly for , we do have quite a few questions on the ways to produce normals from geometry. This seems sufficiently distinct a problem domain from, say, using normals in some particular kind of lighting computation that I believe it's worth calling out as an area of expertise.

  • This rises another problem: these tags are relevant, but are about to be deleted due to limited usage in questions. How can this be addressed? – liggiorgio May 23 at 17:19
  • I added them fairly recently, they shouldn't be in danger of deletion yet. And I tagged a bunch more questions with them. – Josh May 23 at 17:29

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