If yes, you can use them with Topobase Client and Topobase Web (for editing or viewing). Topobase 2009 has a new administrator function that allows you to convert an Oracle schema to a Topobase Document.
This converter will analyze the original schema and create the necessary meta information that is used by Topobase. During the whole process, the user is guided and is informed about the problems, so that he/she can fix them.