The following just appeared on c.d.t. It is nothing to do with Ingres
particularly, but I know there are a few Ingres people who take an
interest
in TTM and D4.
> The relational system Dataphor, heavily influenced by the work of Date
> and Darwen in the TTM, is now an open sourced project. Details at:
> www.dataphor.org
>
> best,
> steve
> www.beyondsql.blogspot.com
There has been at least one attempt to start building an Ingres device for
Dataphor. I wish I had the time to get involved with it myself.
Roy