7. The method of claim 6 , further comprising: responsive to the computer determining that the calculated semantic distance between the selected new tag and the selected existing tag is greater than or equal to the current semantic distance, using, by the computer using the document tag management application, the current semantic distance.
6. The method of claim 5 , further comprising: determining, by the computer using the document tag management application, whether the calculated semantic distance between the selected new tag and the selected existing tag is less than the current semantic distance; and responsive to the computer determining that the calculated semantic distance between the selected new tag and the selected existing tag is less than the current semantic distance, setting, by the computer using the document tag management application, the current semantic distance equal to the calculated semantic distance.