RelevanceFeedback - Dr. A Wiki

Key: Increases ["Recall"]

Using information about the relevance of results from previous searches to modify current queries is a form of RelevanceFeedback.

Types?

Reweighting without Query expansion - This is where we reweight the terms
Query expansion without reweightng - Ideally, query expansion should be done using a thesaurus that adds sysnonyms.
Query expansion with reweighting