{"id":1292,"date":"2026-02-15T20:14:29","date_gmt":"2026-02-15T20:14:29","guid":{"rendered":"https:\/\/docs.ai.drawconclusions.org\/?page_id=1292"},"modified":"2026-02-24T12:45:55","modified_gmt":"2026-02-24T12:45:55","slug":"architecture-relations","status":"publish","type":"page","link":"https:\/\/docs.ai.drawconclusions.org\/?page_id=1292","title":{"rendered":"Architecture: Relations"},"content":{"rendered":"<h2>Overview<\/h2>\n<ul>\n<li>The legacy system uses two relation systems:<\/li>\n<li>SOTO: text-embedded semantic relations.<\/li>\n<li>AEM: structured, ordered relations with metadata.<\/li>\n<li>Both operate on items via the technical layer (<code>AutoItemEntity<\/code>).<\/li>\n<\/ul>\n<h2>Relation Layers (Legacy)<\/h2>\n<h2>Layers<\/h2>\n<ul>\n<li>Text-level reference parsing (SOTO string).<\/li>\n<li>Content-level relation types (e.g., derivation, classification, dimension AEM).<\/li>\n<li>Database-level relation entities (<code>SotoDbRelationEntity<\/code>, <code>AemDbRelationEntity<\/code>).<\/li>\n<\/ul>\n<h2>Current Status<\/h2>\n<ul>\n<li>The current <code>\/var\/www<\/code> codebase does not implement these relations yet.<\/li>\n<li>The legacy design in <code>- old\/dracon<\/code> is the reference for rebuilding.<\/li>\n<\/ul>\n<h2>Subpages<\/h2>\n<ul>\n<li>SOTO: <code>architecture_relations_soto.md<\/code><\/li>\n<li>AEM: <code>architecture_relations_aem.md<\/code><\/li>\n<\/ul>\n<h2>Next Layer<\/h2>\n<h2>Next<\/h2>\n<ul>\n<li>Implementation Notes:<\/li>\n<li>SOTO: <code>implementation_soto.md<\/code><\/li>\n<li>AEM: <code>implementation_aem.md<\/code><\/li>\n<\/ul>\n<p class=\"developerdocs-id-search\" aria-hidden=\"true\">DeveloperDoc ID: dd_id_94c4200523<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The legacy system uses two relation systems: SOTO: text-embedded semantic relations. AEM: structured, ordered relations with metadata. Both operate on items via the technical layer (AutoItemEntity). Relation Layers (Legacy) Layers Text-level reference parsing (SOTO string). Content-level relation types (e.g., derivation, classification, dimension AEM). Database-level relation entities (SotoDbRelationEntity, AemDbRelationEntity). Current Status The current \/var\/www codebase [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1291,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[],"doc_layer":[30],"class_list":["post-1292","page","type-page","status-publish","hentry","layer-dd_id_8f59177ca0"],"_links":{"self":[{"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=\/wp\/v2\/pages\/1292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1292"}],"version-history":[{"count":5,"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=\/wp\/v2\/pages\/1292\/revisions"}],"predecessor-version":[{"id":3807,"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=\/wp\/v2\/pages\/1292\/revisions\/3807"}],"up":[{"embeddable":true,"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=\/wp\/v2\/pages\/1291"}],"wp:attachment":[{"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1292"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=1292"},{"taxonomy":"doc_layer","embeddable":true,"href":"https:\/\/docs.ai.drawconclusions.org\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_layer&post=1292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}