references on bio DB integration

[Reinhard Doelz]

In article <COVERTON.93Oct26134042 at sibelius.humgen.upenn.edu>, coverton at sibelius.humgen.upenn.edu (Chris Overton) writes:
|> I'm looking for references to work describing the integration of multiple
|> biological databases (well >= 2 at least).  I'm interested in examples where a
|> federated schema was developed that supports multi-database queries.  I'm


The following is a repost of Thure Etzold's equence Retrieval System announcement. 
Briefly, this is what yoiu are looking for :-) 

Regards
Reinhard