On Wed, May 23, 2012 at 5:44 AM, Ziqi Zhang
<[email protected]> wrote:

> My task is to extract candidate concepts/entities for an ambiguous term
> from dbpedia, e.g., "cat (disambiguation)".

Like some of the other answers, not directly relevant, but another
signal that you can use is inclusion in Freebase.  Freebase includes
basically all of Wikipedia, but aggressively deletes both
disambiguation pages and list pages.

I'd also point out that not all ambiguous Wikipedia articles are
tagged as disambiguation pages.  If you look at the split_to hint
properties in Freebase, you can find Wikipedia articles which were
split into separate concepts after import.

Tom

p.s. As far as computational complexity goes, none of the things being
discussed strike me as being computationally infeasible unless you are
on a very, very limited budget.

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