Substitutability by counting linkages (Google seems to be of no help)

[Nicholas Leippe]

On Sun, Jan 22, 2012 at 7:21 PM, S. Dale Morrey <sdalemorrey at gmail.com> wrote:

[snip]

> It's driving me nuts, I'm sure this has a name and I think I remember
> reading about it years ago, but for now I don't seem to be able to
> find anything on it.
>
> Does anyone have any ideas?
>

Isn't it simply closest match or nearest relative?