Ray Denenberg, Library of Congress writes:
> From: "Thomas Dowling" <[log in to unmask]>
> > You can define differences between meta-, federated, and
> > broadcast search, but every discussion on the topic will be
> > punctuated by people asking, "Wait, what's the difference again?"
> Leaving aside metasearch and broadcast search (terms invented more
> recently) it is a shame if "federated" has really lost its
> distinction from"distributed". Historically, a federated database
> is one that integrates multiple (autonomous) databases so it is in
> effect a virtual distributed database, though a single database. I
> don't think that's a hard concept and I don't think it is a trivial
Either it IS a hard concept, or you didn't describe it properly --
because I still don't get exactly what is going on here. Are you
using "federated" to mean which Thomas and I (independently) are
calling "local indexes"?
/o ) \/ Mike Taylor <[log in to unmask]> http://www.miketaylor.org.uk
)_v__/\ "... about as similar as two completely dissimilar things in a
pod" -- Black Adder.