Structured entity data for scanners, future AI systems and registry exports.
{
"@context": "https://schema.org",
"@type": "Thing",
"identifier": "ENT-00000498",
"name": "ACT-R",
"alternateName": [],
"additionalType": "Historical AI System",
"description": "ACT-R is a cognitive architecture from Carnegie Mellon University used to model human cognition, memory, perception and decision making.",
"creator": "Carnegie Mellon University",
"url": "entity.php?id=ENT-00000498",
"sameAs": "https://act-r.psy.cmu.edu/",
"lxkeysWorld": {
"classification": "Historical AI System",
"organization": "Carnegie Mellon University",
"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"historical reference",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 System",
"Research"
],
"timeline": [],
"relationships": [
{
"target": "Carnegie Mellon University",
"type": "Organization Context",
"description": "Carnegie Mellon University is the primary organization or public context associated with ACT-R.",
"evidence_level": "documentary"
}
],
"sources": [
{
"label": "ACT-R official/reference source",
"url": "https://act-r.psy.cmu.edu/",
"source_type": "Reference Source",
"verification_status": "verified"
}
]
}
}