{
  "altLabels": [
    "Mean Reciprocal Rank"
  ],
  "definition": "A ranking evaluation metric that averages the reciprocal rank of the first relevant result across queries.",
  "derivedRelations": [
    {
      "target": "ms-marco-passage-ranking",
      "type": "related"
    },
    {
      "target": "ranking",
      "type": "related"
    }
  ],
  "id": "mrr",
  "kind": "Metric",
  "license": "https://creativecommons.org/publicdomain/zero/1.0/",
  "links": [
    {
      "label": "Evaluation of ranked retrieval results",
      "type": "canonicalSurvey",
      "url": "https://nlp.stanford.edu/IR-book/html/htmledition/evaluation-of-ranked-retrieval-results-1.html"
    }
  ],
  "modifiedAt": "2026-09-12T21:39:00Z",
  "prefLabel": "MRR",
  "publisher": {
    "name": "Searchplex",
    "url": "https://searchplex.net/"
  },
  "relations": [
    {
      "target": "ranking",
      "type": "evaluates"
    },
    {
      "target": "reranking",
      "type": "evaluates"
    }
  ],
  "representations": {
    "html": "https://id.searchplex.net/mrr/",
    "json": "https://id.searchplex.net/mrr.json",
    "jsonld": "https://id.searchplex.net/mrr.jsonld"
  },
  "scheme": "https://id.searchplex.net/scheme/",
  "scopeNote": "MRR is most appropriate when the position of the first relevant result is the main objective.",
  "status": "published",
  "uri": "https://id.searchplex.net/mrr/"
}