On Fri, Mar 4, 2022 at 11:43:57AM -0500, Tom Lane wrote:
> "Bayer, Samuel" <sam@mitre.org> writes:
> > One concrete question, I suppose, is: the classic TF/IDF search strategy relies on inverse document frequency,
whichlooks across the corpus. I can't tell whether that corpus-wide frequency information is taken into account in
eitherranking function.
>
> The documentation is pretty clear that they don't, they just consider each
> document in isolation. Building a structure that would allow more-global
> info to be taken into account is an interesting project that nobody's
> tackled.
Oh, you mean like, "pizza" is used only in this document vs it being
used in every document. Should we add some documentation about this or
is it already clear?
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EDB https://enterprisedb.com
If only the physical world exists, free will is an illusion.
