Making a tag like "EV" , or "ROI" seems the logical decision, but not everyone might know the meaning of everything. However writing "expected-value" and "return-of-investment" on tags seems like an overkill for me. Any suggestions ?

1 Answer 1


I think we should use abbreviations as the main tag, and use the tag merging/synonym capability to merge the long-name version into the abbreviation.

Example: EV Tag Synonyms

  • oh, I didn't know about this feature, my bad ! Thanks!
    – kissgyorgy
    Jan 10, 2012 at 20:41

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