- expandQuery
This method implements the functionality of expanding a query.
- getExpansionTerms
load the expansion terms, as per the property qe.expansion.terms.class. Defaults
to DFRBagExpansionT
- getFeedbackSelector
load the feedback selector, based on the property qe.feedback.selector
- getIndex
For easier sub-classing of which index the query expansion comes from
- getQueryExpansionModel
Obtain the query expansion model for QE to use. This will be cached in a
hashtable for the lifetime
- setQueryExpansionModel
Set the used query expansion model.