1cdf8355_s_of_a_Faceted_Navigation_OPAC__Logical_Rule
[Coded Action] Begin Text Facet Search [Explanation] Begins a search with a facet and a text string [Logical Rule] 
First step in a session. N has a value other than “0” AND Ntt has a value.
The Code4Lib Journal – Extracting User Interaction Information from the Transaction Logs of a Faceted Navigation OPAC