Files in this .ZIP archive correspond (as you will see)
to the names of the DTD files on the MDC web site; if
the latter is inaccessible, you may find these cache
copies useful.  These are version 1.0

ZIP:

oimTOP-DTD.txt
oim-cdeDTD.txt  oim-dtmDTD.txt  oim-olpDTD.txt  oim-simDTD.txt  oim-umlDTD.txt  
oim-dbmDTD.txt  oim-genDTD.txt  oim-recDTD.txt  oim-tfmDTD.txt  oim-umxDTD.txt

Canonical names:

Analysis and Design Model
                                  
   Unified Modeling Language (UML) - uml.dtd
                                  
   UML Extensions - umx.dtd
                                  
   Common Data Types - dtm.dtd
                                 
   Generic Elements - dtm.dtd

Component and Object Model
                                  
   Component Description Model - cde.dtd
                                                                  
Database and Warehousing Model
                                  
   Database Schema Elements - dbm.dtd
                                  
   Data Transformation Elements - tfm.dtd
                                  
   OLAP Schema Elements - olp.dtd
                                  
   Record Oriented Legacy Databases - rec.dtd
                                                                  
Knowledge Management Model
                                  
   Semantic Definition Elements  - sim.dtd

For completeness, there is also a basic "top level" DTD for the Open Information Model.
