This is one of two parameters that determine whether fuzzy faceting of feed facets will start, if enabled by CoreServicesEnableFuzzyFeedFacets.

Default: 0

Defines sampling rate as a percentage of total documents returned for any given process search.

Note: The default value of 0 percentage dynamically adjusts based on total result count, in order to reach a sample size of at least CoreServicesFuzzyFeedFacetsThreshold.
Note: New in version 6.1.