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does yc news filter duplicate urls?

i was just wondering if yc filters multiple listings of the same url... because i see a lot of duplication submissions on here when a link extends beyond the first page of links.
( 3 comments | 2 points | on HN )
Re:does yc news filter duplicate urls? by tuukkah on Saturday August 04, 2007 @08:13AM (#39283)
Filtering duplicate URIs isn't enough to get rid of duplicate submissions. There are often several forms of a URI for the same page, and the same writeup is published on several news sites, never mind similar takes on the issue at hand by multiple bloggers.

This isn't something an algorithm can solve, but a good UI for searching old stories and annotating submissions ("this is the eyewitness take on that") could be worth it to reduce the amount of perceived redundancy.

Re:does yc news filter duplicate urls? by mark-t on Saturday August 04, 2007 @05:34AM (#39275)
Yes. Actually, it takes you to the original thread (and upvotes it for you?).
Re:does yc news filter duplicate urls? by ordersup on Sunday August 05, 2007 @04:06AM (#39530)
i see... i just tried it and apparently never noticed it before. thanks for the reply!