> > Same goes for BIND, they plan to use RDB, but not in a conventional way > (so far as I understand). > BIND (http://bind.ca) stores bind-objects based on ASN.1 specification (ftp://ftp.blueprint.org/pub/BIND/spec/, also available as XML DTD and Schema), as ASN.1/XML in BLOB fields in the database table. BIND makes use of field-specific indexing to be able to search for any particular object or set of objects that match the search criteria. The relational aspect is really more for curatorial work and tracking, afaik... Michel Dumontier PhD Candidate Samuel Lunenfeld Research Institute, Mt. Sinai Hospital Department of Biochemistry, University of Toronto Toronto, ON M5G1X5 micheld at mshri.on.ca http://blueprint.org