{
  "@context": "https://schema.org",
  "@type": "TechArticle",
  "@id": "https://anchorfact.org/kb/kb-2026-00138",
  "headline": "Tree Data Structure",
  "description": "A tree is a hierarchical data structure with a root node and child subtrees. Each node (except root) has exactly one parent. Specialized trees: binary trees (max 2 children), N-ary trees, tries (prefix trees), segment trees (range queries), Fenwick trees (prefix sums).",
  "dateCreated": "2026-05-22T14:59:47.682Z",
  "dateModified": "2026-05-22T14:59:47.682Z",
  "author": {
    "@type": "Organization",
    "name": "AnchorFact"
  },
  "publisher": {
    "@type": "Organization",
    "name": "AnchorFact",
    "url": "https://anchorfact.org"
  },
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "anchorfact:confidence": "high",
  "anchorfact:generationMethod": "human_only",
  "citation": []
}