{
  "altLabels": [
    "Diversity Retrieval",
    "Search Result Diversification",
    "Diversified Search"
  ],
  "definition": "A retrieval task or objective in which a result set should cover multiple aspects, intents, interpretations, or subtopics of an information need.",
  "distinctions": [
    {
      "reason": "Diversified retrieval adds an explicit coverage or diversity objective; ranking generally orders results by relevance or utility and may or may not optimize diversity.",
      "statement": "Diversified Retrieval is not Ranking.",
      "target": "ranking",
      "targetLabel": "Ranking",
      "targetUri": "https://id.searchplex.net/ranking/"
    },
    {
      "reason": "Result fusion combines ranked lists or result sets; diversified retrieval is an objective about covering aspects or intents in the returned results.",
      "statement": "Diversified Retrieval is not Result Fusion.",
      "target": "result-fusion",
      "targetLabel": "Result Fusion",
      "targetUri": "https://id.searchplex.net/result-fusion/"
    }
  ],
  "id": "diversified-retrieval",
  "kind": "Task",
  "license": "https://creativecommons.org/publicdomain/zero/1.0/",
  "links": [
    {
      "label": "Search Result Diversification",
      "type": "canonicalSurvey",
      "url": "https://doi.org/10.1561/1500000046"
    }
  ],
  "modifiedAt": "2026-09-14T06:43:46Z",
  "prefLabel": "Diversified Retrieval",
  "publisher": {
    "name": "Searchplex",
    "url": "https://searchplex.net/"
  },
  "relations": [
    {
      "target": "retrieval",
      "type": "broader"
    },
    {
      "note": "Diversified retrieval adds an explicit coverage or diversity objective; ranking generally orders results by relevance or utility and may or may not optimize diversity.",
      "target": "ranking",
      "type": "notEquivalentTo"
    },
    {
      "note": "Result fusion combines ranked lists or result sets; diversified retrieval is an objective about covering aspects or intents in the returned results.",
      "target": "result-fusion",
      "type": "notEquivalentTo"
    },
    {
      "target": "query-understanding",
      "type": "related"
    },
    {
      "target": "ranking",
      "type": "related"
    },
    {
      "target": "serp",
      "type": "related"
    }
  ],
  "representations": {
    "html": "https://id.searchplex.net/diversified-retrieval/",
    "json": "https://id.searchplex.net/diversified-retrieval.json",
    "jsonld": "https://id.searchplex.net/diversified-retrieval.jsonld"
  },
  "scheme": "https://id.searchplex.net/scheme/",
  "scopeNote": "Diversified retrieval is especially important for ambiguous or multifaceted queries, where returning near-duplicate results for one interpretation may be less useful than covering several plausible intents. It is distinct from ordinary ranking by relevance alone.",
  "status": "published",
  "uri": "https://id.searchplex.net/diversified-retrieval/"
}