1cdf8355_s_of_a_Faceted_Navigation_OPAC__Logical_Rule
[Coded Action] Expand Facet Group [Explanation] Expands a facet group by clicking “Show More …” [Logical Rule] 
None of the other conditions are met, Ne has a value, and that value is different from previous Ne value.
The Code4Lib Journal – Extracting User Interaction Information from the Transaction Logs of a Faceted Navigation OPAC