In information retrieval contexts, precision and recall are defined in terms of a set of "retrieved documents" (e.g. the list of documents produced by a web search engine for a query) and a set of "relevant documents" (e.g. the list of all documents on the internet that are relevant for a certain topic), cf. relevance. The measures were defined in .

এফ-মেজার
রিকল
Limitations as goals
সংগা (ইনফরমেশন রিট্রিভাল কনটেক্সট))