Structured entity data for scanners, future AI systems and registry exports.
{
"@context": "https://schema.org",
"@type": "Thing",
"identifier": "ENT-00000250",
"name": "SHRDLU",
"alternateName": [],
"additionalType": "Historical AI System",
"description": "SHRDLU is Terry Winograd’s natural-language understanding system that manipulated objects in a blocks world.",
"creator": "MIT",
"url": "entity.php?id=ENT-00000250",
"sameAs": "https://en.wikipedia.org/wiki/SHRDLU",
"lxkeysWorld": {
"classification": "Historical AI System",
"organization": "MIT",
"originContext": "Public AI and cultural record",
"firstPublicAppearance": "",
"currentStatus": "Historical record",
"registryStatus": "Documented",
"spatiumIndex": {
"total": 67,
"documentation": 22,
"evidence": 13,
"structure": 21,
"relationships": 11,
"level": "Level IV — Connected"
},
"lxCalendarium": {
"start_date_utc": "2023-04-01",
"created_utc": "2026-06-16T00:00:00+00:00",
"created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
"updated_utc": "2026-06-16T00:00:00+00:00",
"updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
"reviewed_utc": "2026-06-16T00:00:00+00:00",
"reviewed_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
},
"capabilities": [
"research milestone",
"historical reference",
"methodological influence",
"AI history documentation"
],
"limitations": [
"This record summarizes a public entity and should be extended through source review when deeper technical or historical detail is required.",
"Capabilities depend on the documented product, model, research system or cultural source context.",
"The record should preserve source based claims and avoid unsupported functional assertions."
],
"tags": [
"Historical AI",
"Research",
"Historical AI System"
],
"timeline": [],
"relationships": [
{
"target": "MIT",
"type": "Organization Context",
"description": "MIT is the primary organization or public context associated with SHRDLU.",
"evidence_level": "documentary"
}
],
"sources": [
{
"label": "SHRDLU official/reference source",
"url": "https://en.wikipedia.org/wiki/SHRDLU",
"source_type": "Reference Source",
"verification_status": "verified"
}
]
}
}