KIF use for heterogeneous DBs

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Date: Fri, 10 Sep 93 09:24:50 -0700
From: bjperry@BASE.CS.UCLA.EDU (Brad Perry)
Message-id: <9309101624.AA07352@burton.cs.ucla.edu>
To: interlingua@ISI.EDU
Subject: KIF use for heterogeneous DBs

I'm new to this list, so sorry if this topic has been covered
before...

I am trying to get a feel for how people have used KIF in actual
heterogeneous systems.  I'm considering using KIF for the following
problem:

    We integrate sets of heterogeneous/distributed databases into
  what we call a Smart Data Dictionary (SDD).  The SDD captures
  database structure as well as domain semantics.  It is the
  domain semantics that have a "knowledge-base" twist to them and
  they are used as arbitrary assertions & propositions that the SDD
  uses to perform and manage DB integration.
    With an environment of multiple SDDs, we are constructing
  a model where the different SDDs communicate DB structure and
  semantics to engage in joint (or cooperative) query answering.

This is a very vague description, but I decided to send this small
note to solicit interest/related work before going into details.

Basically, I'm wondering if anyone has used KIF to encode and
exchange knowledge and structure about heterogeneous/distributed databases.
I would be interested in learning what kind of knowledge was
encoded/exchanged, how KIF was used, and any other pieces of information
in using KIF for this purpose.



Thanks for your help,
Brad Perry
bjperry@cs.ucla.edu