This just in from the Oracle Data Mining product management team:
The new Oracle Data Mining 10gR2 Tutorial has is now posted to OTN.
Oracle Data Miner 10.2.0.1 Tutorial (7MB) Apr 2006 (link to download zip file).
The link downloads a Zip archive that contains the tutorial in PDF format, a dump file containing tables used in the tutorial, and demo_import_mag.txt, the file used to illustrate File Import.
This is a great document for users to get started using Oracle's Data Mining functionality.
Link to Oracle Data Mining page on OTN.