{
  "altLabels": [
    "Automatic Query Relaxation"
  ],
  "definition": "Transforming a query or its matching requirements to make retrieval less restrictive, often to avoid zero or low-result searches.",
  "derivedRelations": [
    {
      "note": "Spelling correction changes likely misspelled terms; query relaxation loosens constraints or matching requirements.",
      "target": "spelling-correction",
      "type": "notEquivalentTo"
    },
    {
      "target": "spelling-correction",
      "type": "related"
    }
  ],
  "distinctions": [
    {
      "reason": "Exact match requires literal matching; query relaxation may loosen exact-match requirements when they are too restrictive.",
      "statement": "Query Relaxation is not Exact Match.",
      "target": "exact-match",
      "targetLabel": "Exact Match",
      "targetUri": "https://id.searchplex.net/exact-match/"
    },
    {
      "reason": "Query expansion adds retrieval evidence or related terms; query relaxation loosens or removes matching requirements.",
      "statement": "Query Relaxation is not Query Expansion.",
      "target": "query-expansion",
      "targetLabel": "Query Expansion",
      "targetUri": "https://id.searchplex.net/query-expansion/"
    },
    {
      "reason": "Query rewriting is the broader transformation family; query relaxation is the specific transformation that makes matching less restrictive.",
      "statement": "Query Relaxation is not Query Rewriting.",
      "target": "query-rewriting",
      "targetLabel": "Query Rewriting",
      "targetUri": "https://id.searchplex.net/query-rewriting/"
    },
    {
      "reason": "Result filtering restricts eligible results; query relaxation broadens eligibility or weakens matching criteria.",
      "statement": "Query Relaxation is not Result Filtering.",
      "target": "result-filtering",
      "targetLabel": "Result Filtering",
      "targetUri": "https://id.searchplex.net/result-filtering/"
    }
  ],
  "id": "query-relaxation",
  "kind": "Task",
  "license": "https://creativecommons.org/publicdomain/zero/1.0/",
  "links": [
    {
      "label": "Adapting information retrieval systems to user queries",
      "type": "definingReference",
      "url": "https://www.sciencedirect.com/science/article/pii/S0306457308000514"
    },
    {
      "label": "Bloomreach query relaxation documentation",
      "type": "officialHomepage",
      "url": "https://documentation.bloomreach.com/discovery/docs/query-relaxation"
    }
  ],
  "modifiedAt": "2026-09-14T06:43:46Z",
  "prefLabel": "Query Relaxation",
  "publisher": {
    "name": "Searchplex",
    "url": "https://searchplex.net/"
  },
  "relations": [
    {
      "target": "query-transformation",
      "type": "broader"
    },
    {
      "note": "Exact match requires literal matching; query relaxation may loosen exact-match requirements when they are too restrictive.",
      "target": "exact-match",
      "type": "notEquivalentTo"
    },
    {
      "note": "Query expansion adds retrieval evidence or related terms; query relaxation loosens or removes matching requirements.",
      "target": "query-expansion",
      "type": "notEquivalentTo"
    },
    {
      "note": "Query rewriting is the broader transformation family; query relaxation is the specific transformation that makes matching less restrictive.",
      "target": "query-rewriting",
      "type": "notEquivalentTo"
    },
    {
      "note": "Result filtering restricts eligible results; query relaxation broadens eligibility or weakens matching criteria.",
      "target": "result-filtering",
      "type": "notEquivalentTo"
    },
    {
      "target": "query-understanding",
      "type": "partOf"
    },
    {
      "target": "exact-match",
      "type": "related"
    },
    {
      "target": "query-expansion",
      "type": "related"
    },
    {
      "target": "query-rewriting",
      "type": "related"
    },
    {
      "target": "result-filtering",
      "type": "related"
    }
  ],
  "representations": {
    "html": "https://id.searchplex.net/query-relaxation/",
    "json": "https://id.searchplex.net/query-relaxation.json",
    "jsonld": "https://id.searchplex.net/query-relaxation.jsonld"
  },
  "scheme": "https://id.searchplex.net/scheme/",
  "scopeNote": "Query relaxation may drop, down-weight, or loosen terms, constraints, exact matches, or matching criteria. It is often discussed as the counterpart of query expansion: expansion adds evidence, while relaxation weakens requirements.",
  "status": "published",
  "terms": [
    {
      "community": "academic",
      "label": "AQR",
      "usage": "abbreviation"
    },
    {
      "community": "industry",
      "label": "Query Broadening",
      "usage": "nearSynonym"
    },
    {
      "community": "industry",
      "label": "Term Dropping",
      "usage": "nearSynonym"
    },
    {
      "community": "commerce-search",
      "label": "Partial Matching",
      "usage": "nearSynonym"
    }
  ],
  "uri": "https://id.searchplex.net/query-relaxation/"
}