Effectiveness measures in Information Retrieval

Recall is the proportion of all documents in the collection that are relevant to a query and that are actually retrieved.

Precision is the proportion of the retrieved set of documents that is relevant to the query.

The fallout rate is the ratio between number of non relevant documents retrieved and the total number of non relevant documents in the collection.

Tags:

Leave a Reply

Your email address will not be published. Required fields are marked *