Recall
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- For a query, recall means the ability to retrieve as many documents as possible that match or are related to a query. Recall may be improved by linguistic processing such as lemmatization, spell-checking, and synonym expansion.
FAST - Cite This Source - This Definition - Approximate matching, Exact Match, Fuzzy matching, Fuzzy Search, Linguistics, Orthographic analysis, Precision and Recall, Query transformation, Spell Check Optimization, Spell checking
The portion of relevant documents that were retrieved when compared to all relevant documents.
SEO Book - Cite This Source - This Definition- Related to precision, this is the degree in which a search engine returns all the matching documents in a collection. There may be 100 matching documents, but a search engine may only find 80 of them. It would then list these 80 and have a recall of 80%.
Search Engine Watch - Cite This Source - This Definition - IDF, Multi Dimensional Scaling, Precision, Singular Value Decomposition, Term Frequency, Term Vector Database