PT
ENT-00002047 · Jeu de données

Penn Treebank

Penn Treebank is a dataset associated with LDC, classified in LXKeys.world as AI Dataset.

Niveau V PersistantActifDocumenté
Fiche publique

Vue d’ensemble

Penn Treebank is a data or evaluation resource used in artificial intelligence research. It is associated with LDC and is documented as syntactically annotated corpus.

Chronologie

  1. 1993Initial dataset release

    Penn Treebank entered the documented public record in 1993. This event is retained at the precision supported by the Entry’s reviewed source history.

Capacités

Evaluation resource for AI systemsDataset or benchmark documentationMachine-learning task referenceSource-linked registry metadataRelationship graph compatibility

Limites connues

Coverage and licensing should be interpreted through the linked source record.Benchmark scores or dataset contents can evolve over time through external updates.
Détail technique et structuré

Description technique

Structured LXKeys.world registry record for Penn Treebank. Entity type: Dataset; classification: AI Dataset; creator/organization context: Linguistic Data Consortium. Canonical source anchor: https://catalog.ldc.upenn.edu/LDC99T42. The record tracks source authority, first public appearance, timeline, capabilities, limitations, registry status and graph relationships. Automatic refresh is limited to sources explicitly classified as OFFICIAL and enabled for updates; documentary and research references remain non-authoritative unless reviewed.

Tags contrôlés

DatasetBenchmarkEvaluationData Resource
Graphe relationnel

Penn Treebank

Ouvrir dans le graphe complet
Penn Treebank
CréateurSortante
Linguistic Data Consortium

Linguistic Data Consortium is documented as creator, contributor or originating team for Penn Treebank.

Organisation associéeSortante
LDC

LDC is the organization or institutional context associated with Penn Treebank.

ClassificationSortante
Evaluation / Data Resource

Penn Treebank is classified as Evaluation / Data Resource.

Couche lisible par machine

Données structurées de l’entrée pour les outils humains, les systèmes IA et les clients machine.

{
    "@context": [
        "https://schema.org",
        {
            "lxw": "https://lxkeys.world/schema/"
        }
    ],
    "@type": "Thing",
    "identifier": "ENT-00002047",
    "name": "Penn Treebank",
    "alternateName": [],
    "additionalType": {
        "category": "Data and Evaluation",
        "type": "Dataset",
        "subtype": "",
        "lxkeysEntity": false
    },
    "description": "Penn Treebank is a dataset associated with LDC, classified in LXKeys.world as AI Dataset.",
    "creator": "Linguistic Data Consortium",
    "url": "https://lxkeys.world/entry.php?id=ENT-00002047&lang=fr",
    "sameAs": "https://catalog.ldc.upenn.edu/LDC99T42",
    "image": "",
    "lxkeysWorld": {
        "worldId": "ENT-00002047",
        "kind": "Data and Evaluation",
        "type": "Dataset",
        "subtype": "",
        "classification": "AI Dataset",
        "organization": "LDC",
        "originContext": "AI evaluation and data infrastructure",
        "firstPublicAppearance": "1993",
        "currentStatus": "Active",
        "documentationStatus": "Documented",
        "documentationIndex": {
            "total": 88,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 25,
            "level": "Level V Persistent"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-17T01:33:48+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-22 T-4",
            "updated_utc": "2026-06-17T01:33:48+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-22 T-4"
        },
        "facts": [],
        "capabilities": [
            "Evaluation resource for AI systems",
            "Dataset or benchmark documentation",
            "Machine-learning task reference",
            "Source-linked registry metadata",
            "Relationship graph compatibility"
        ],
        "limitations": [
            "Coverage and licensing should be interpreted through the linked source record.",
            "Benchmark scores or dataset contents can evolve over time through external updates."
        ],
        "tags": [
            "Dataset",
            "Benchmark",
            "Evaluation",
            "Data Resource"
        ],
        "timeline": [
            {
                "date": "1993",
                "title": "Initial dataset release",
                "description": "Penn Treebank entered the documented public record in 1993. This event is retained at the precision supported by the Entry’s reviewed source history.",
                "source_url": "https://catalog.ldc.upenn.edu/LDC99T42",
                "verification_status": "source_backed_official"
            }
        ],
        "relationships": [
            {
                "target": "Linguistic Data Consortium",
                "type": "Creator",
                "description": "Linguistic Data Consortium is documented as creator, contributor or originating team for Penn Treebank.",
                "evidence_level": "documentary"
            },
            {
                "target": "LDC",
                "type": "Associated organization",
                "description": "LDC is the organization or institutional context associated with Penn Treebank.",
                "evidence_level": "documentary"
            },
            {
                "target": "Evaluation / Data Resource",
                "type": "Classification",
                "description": "Penn Treebank is classified as Evaluation / Data Resource.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "Official documentation",
                "url": "https://catalog.ldc.upenn.edu/LDC99T42",
                "source_type": "Reference Source",
                "verification_status": "verified",
                "authority": "OFFICIAL",
                "role": "primary",
                "update_enabled": true,
                "authority_basis": "curated-corpus-refresh-2026-09-08"
            }
        ],
        "canonical": [],
        "imageMeta": []
    }
}
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