The following articles provide more information about the ETL Metadata Injection step.
- "Metadata Injection – Examples for Special Scenarios" by Jens Bleuel
-
"Metadata Driven ETL and Reporting with Pentaho Data Integration and Report Designer" by Diethard Steiner
- "Parse nasty XLS with dynamic ETL" by Matt Casters
- "Non-Native Metadata Injection" by Dan Keeley