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The about for 'basic-concepts' is:

THIS TAG IS MEANINGLESS, please don't use it. Pick something more specific and descriptive.

Likewise, the tag wiki is empty.

Similarly, the about sections and the tag wikis of 'accuracy' and 'methodology' are empty.

All of them have a decent number of uses (+150), so I'm not certain that they aren't valuable to CV. But on the other hand, it's not clear to me either that they are.

Is there a thread somewhere which has a list of tags like this to suggest/nominate to bring to other people's attention?

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    $\begingroup$ [accuracy] is a fine tag, I assume it stands for classification accuracy. [methodology] sounds weird, I suspect it might be a useless tag, but this needs to be investigated. $\endgroup$ – amoeba Apr 17 '17 at 18:09
  • $\begingroup$ Hi Chill2Macht. Is there any reason you didn't accept gung's answer? It looks quite comprehensive to me. $\endgroup$ – amoeba Nov 13 '17 at 11:03
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is a meta tag. The tag for [meta-tags] on meta.SE defines them as "Meta tags are tags which describe something other than the question's content--such as the author's skill level, motivation, or current take on it". The official SE policy is that they are not supposed to be allowed. As such, [basic-concepts] probably should be (have been) burninated (see, Do we need [basic-concepts] tag?), but we don't seem to make much progress on that sort of thing (cf., Tag-candidates for removal).


I think having excerpts / usage guides is more important than having wikis. (Wikis are nice, but I'm not sure how many people ever even know they exist; in addition, there are probably tags that just don't really need any full wiki, but should still have an excerpt.) Moreover, the more common a tag is, the more important it presumably is for it to have an excerpt, all else held equal. From these points, a simple way to look for tags that need excerpts is to go to our tags page, sort by popular (if not already), and then scan through page after page until you see one without an excerpt. The first such tag I notice is on page 6.

If you want a more formal method, you can use an existing data query (or make your own) at the Stack Exchange Data Explorer site. Navigate to the site, click on Cross Validated, and search using relevant terms. People like making lots of 'forks' of these queries, which I often find less useful, so I sort by popular. Here is a search for "tag wiki". The top two hits are What tag wikis can I edit?, and Most common tags with short, long, or missing excerpt or wiki. Both might have potential for you. The only thing to bear in mind is that the data site is only updated on Sunday mornings at around 3:00 UTC, so the information returned by a query may be somewhat out of date when you use it.

For what it's worth, none of these strategies picks out "vague" or "meaningless" tags. That would be a heavy lift for a SQL query (it reminds me of this).

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    $\begingroup$ +1. I took a very brief look on [methodology] that OP mentioned, and it looks like an excellent candidate for burnination (with too many threads for manual removal). I should probably add it to the candidates-for-removal thread. $\endgroup$ – amoeba Apr 17 '17 at 20:38

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