Tough question. I've wondered about it myself. The answer that occurs
to me lies in the search system. It could be that search returns all
results,
with some earmarked as "forgotten". (Probably at the end of the list,
but
not necessarily.)
On the other hand, the stuff available via browsing would be stuff that
at
least one person has seen fit to view in the last year. (A link would
probably
qualify as "viewed", at all times. So maybe entire graphs would become
invisible, if none of the parts had been accessed??)
Making stuff like that available via search works, I think, because I
would
probably never find it without doing a search anyway.
And anything that had been "promoted" would probably be invulnerable
to the disappearance/invisibility criteria, absent "kryptonite".
(Promoted
material would have been promoted to superperson status, which would
require the kryptonite privilege to retire it.)
Them's off the head thoughts, at any rate.
Gil Regev wrote:
> The subject of forgetting is really complex. Time based forgetting is
> not perfect. It often happens to me that I don't use some piece of
> information for a year or two and then suddenly find it very useful
> and I'm happy I didn't discard it. Relevance based forgetting is
> equally imperfect since what has not seemed relevant for a long time
> may seem very relevant tomorrow. Forgetting is a basic human
> capability but do machines need to have it? Aren't they supposed to
> fix our deficiencies rather than mimic us?
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