ENT-00001902 · Historical AI System

DENDRAL

DENDRAL is a expert system for chemical analysis associated with Stanford University.

Level IV — ConnectedHistoricalConnected

Human readable record

Overview

DENDRAL is a documented AI model or assistant-related entity associated with Stanford University. The record focuses on its public identity, release context, capability class, source lineage and relationship to adjacent model or product families.

Timeline

1965DENDRAL public documentation anchor
DENDRAL appears in public documentation or stable reference sources as a expert system for chemical analysis associated with Stanford University.

Capabilities

Historical AI referenceSymbolic reasoningCultural and technical context

Known limitations

The record describes the public identity and documented role of the entity, not private implementation details.Capabilities depend on version, deployment context, access conditions and the available public documentation.

Technical and registry detail

Technical description

Structured record for DENDRAL. The technical layer identifies entity type, classification, creator or organization, public source anchors, timeline entry, capabilities, limitations, registry status and graph relationships. Source anchor: https://en.wikipedia.org/wiki/Dendral.

Controlled tags

Historical AIResearch SystemSymbolic AI

Relationship graph

DENDRAL

Associated organizationStanford University

DENDRAL is associated with Stanford University through its documented source context.

Machine readable layer

Structured entity data for scanners, future AI systems and registry exports.

{
    "@context": "https://schema.org",
    "@type": "Thing",
    "identifier": "ENT-00001902",
    "name": "DENDRAL",
    "alternateName": [],
    "additionalType": "Historical AI System",
    "description": "DENDRAL is a expert system for chemical analysis associated with Stanford University.",
    "creator": "Stanford University",
    "url": "entity.php?id=ENT-00001902",
    "sameAs": "https://en.wikipedia.org/wiki/Dendral",
    "lxkeysWorld": {
        "classification": "expert system for chemical analysis",
        "organization": "Stanford University",
        "originContext": "Public AI and technical record",
        "firstPublicAppearance": "1965",
        "currentStatus": "Historical",
        "registryStatus": "Connected",
        "spatiumIndex": {
            "total": 74,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 11,
            "level": "Level IV — Connected"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-16T23:59:29+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:29+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "reviewed_utc": "2026-06-16T23:59:29+00:00",
            "reviewed_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "capabilities": [
            "Historical AI reference",
            "Symbolic reasoning",
            "Cultural and technical context"
        ],
        "limitations": [
            "The record describes the public identity and documented role of the entity, not private implementation details.",
            "Capabilities depend on version, deployment context, access conditions and the available public documentation."
        ],
        "tags": [
            "Historical AI",
            "Research System",
            "Symbolic AI"
        ],
        "timeline": [
            {
                "date": "1965",
                "title": "DENDRAL public documentation anchor",
                "description": "DENDRAL appears in public documentation or stable reference sources as a expert system for chemical analysis associated with Stanford University."
            }
        ],
        "relationships": [
            {
                "target": "Stanford University",
                "type": "Associated organization",
                "description": "DENDRAL is associated with Stanford University through its documented source context.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "Encyclopaedic or official reference",
                "url": "https://en.wikipedia.org/wiki/Dendral",
                "source_type": "Encyclopaedic Reference",
                "verification_status": "verified"
            }
        ]
    }
}

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