Structured entry data for human tools, AI systems and machine clients.
{
"@context": [
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{
"lxw": "https://lxkeys.world/schema/"
}
],
"@type": "Thing",
"identifier": "ENT-00000250",
"name": "SHRDLU",
"alternateName": [],
"additionalType": {
"category": "AI Systems",
"type": "Historical AI System",
"subtype": "",
"lxkeysEntity": false
},
"description": "SHRDLU is Terry Winograd’s natural-language understanding system that manipulated objects in a blocks world.",
"creator": "MIT",
"url": "https://lxkeys.world/entry.php?id=ENT-00000250&lang=en",
"sameAs": "https://www.mit.edu/",
"image": "",
"lxkeysWorld": {
"worldId": "ENT-00000250",
"kind": "AI Systems",
"type": "Historical AI System",
"subtype": "",
"classification": "Historical AI System",
"organization": "MIT",
"originContext": "Public AI and cultural record",
"firstPublicAppearance": "1970",
"currentStatus": "Historical record",
"documentationStatus": "Documented",
"documentationIndex": {
"total": 82,
"documentation": 25,
"evidence": 21,
"structure": 25,
"relationships": 11,
"level": "Level V Persistent"
},
"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"
},
"facts": [],
"capabilities": [
"Historical AI milestone documentation",
"Method or system lineage",
"Public archival reference",
"Influence on later AI research or products"
],
"limitations": [
"The system is documented primarily for historical significance and may no longer be maintained, accessible or representative of current AI practice.",
"Reconstructions and later summaries can differ from the original hardware, software and experimental conditions.",
"Performance should be interpreted in the historical context and evaluation methods of its period."
],
"tags": [
"Historical AI",
"Research",
"Historical AI System"
],
"timeline": [
{
"date": "1970",
"title": "Initial development or public milestone",
"description": "SHRDLU entered the documented public record in 1970. This event is retained at the precision supported by the Entry’s reviewed source history.",
"source_url": "https://www.mit.edu/",
"verification_status": "source_backed_official"
}
],
"relationships": [
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"target": "MIT",
"type": "Organization Context",
"description": "MIT is the primary organization or public context associated with SHRDLU.",
"evidence_level": "documentary"
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"label": "Canonical official source",
"url": "https://www.mit.edu/",
"source_type": "Official Source",
"verification_status": "verified",
"authority": "OFFICIAL",
"role": "primary",
"update_enabled": true,
"authority_basis": "curated-corpus-refresh-2026-09-08"
},
{
"label": "SHRDLU official/reference source",
"url": "https://en.wikipedia.org/wiki/SHRDLU",
"source_type": "Reference Source",
"verification_status": "verified",
"authority": "SECONDARY",
"role": "reference",
"update_enabled": false,
"authority_basis": "curated-corpus-refresh-2026-09-08"
}
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}