Backoff: Backoff Strategy "Delete low frequency properties"

Delete low frequency properties

Iteratively remove the less frequent item from the property set and run the Recommender Method. Evaluate the number of candidate properties and run again if it is zero or not larger than a predefined threshold.

Run several instances in parallel. Delete 1,2,3,4 last frequent items.

Needed input: *schematree, property list

• Basic Functionality
• Parallel Execution
• Remove deleted low frequency items from the output of the parallel executed recommendations
• Implement variety of "step sizes" for the number of deleted properties