ENT-00002612 · Dataset

HMDB51

HMDB51 is a ai dataset / benchmark corpus associated with Brown University.

Level V — PersistentActiveDocumented

Human readable record

Overview

HMDB51 is a documented dataset or benchmark corpus used in machine learning, computer vision, speech, language processing or multimodal AI. The record identifies its role as human motion video benchmark and supports traceability between models, tasks and evaluation results.

Timeline

2011Public release or documentation
HMDB51 appears in public documentation, project records, benchmark descriptions or research references associated with Brown University.

Capabilities

Dataset referenceBenchmark or training-data contextTask-level documentationModel evaluation supportSource-based traceability

Known limitations

Dataset coverage, licensing, annotation quality and benchmark relevance depend on the source version and use context.Performance claims should be assessed through models evaluated on the dataset rather than inferred from the dataset alone.

Technical and registry detail

Technical description

Structured record for HMDB51. The technical layer identifies the entity type, classification, creator or organization, official source anchor, capabilities, limitations, timeline entries and graph relationships without adding internal import events to the public history.

Controlled tags

DatasetBenchmarkTraining DataEvaluation

Relationship graph

HMDB51

Associated organizationBrown University

Brown University is the organization, project community or institutional context associated with HMDB51.

Domain contextDataset and benchmark infrastructure

HMDB51 belongs to the Dataset and benchmark infrastructure layer of the intelligent-entity registry.

Machine readable layer

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

{
    "@context": "https://schema.org",
    "@type": "Thing",
    "identifier": "ENT-00002612",
    "name": "HMDB51",
    "alternateName": [],
    "additionalType": "Dataset",
    "description": "HMDB51 is a ai dataset / benchmark corpus associated with Brown University.",
    "creator": "Brown University",
    "url": "entity.php?id=ENT-00002612",
    "sameAs": "https://serre-lab.clps.brown.edu/resource/hmdb-a-large-human-motion-database/",
    "lxkeysWorld": {
        "classification": "AI Dataset / Benchmark Corpus",
        "organization": "Brown University",
        "originContext": "Dataset and benchmark infrastructure",
        "firstPublicAppearance": "2011",
        "currentStatus": "Active",
        "registryStatus": "Documented",
        "spatiumIndex": {
            "total": 82,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 19,
            "level": "Level V — Persistent"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-17T01:48:33+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-22 T-4",
            "updated_utc": "2026-06-17T01:48:33+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-22 T-4",
            "reviewed_utc": "2026-06-17T01:48:33+00:00",
            "reviewed_dypclt": "D-0 Y-2 P-3 C-3 L-22 T-4"
        },
        "capabilities": [
            "Dataset reference",
            "Benchmark or training-data context",
            "Task-level documentation",
            "Model evaluation support",
            "Source-based traceability"
        ],
        "limitations": [
            "Dataset coverage, licensing, annotation quality and benchmark relevance depend on the source version and use context.",
            "Performance claims should be assessed through models evaluated on the dataset rather than inferred from the dataset alone."
        ],
        "tags": [
            "Dataset",
            "Benchmark",
            "Training Data",
            "Evaluation"
        ],
        "timeline": [
            {
                "date": "2011",
                "title": "Public release or documentation",
                "description": "HMDB51 appears in public documentation, project records, benchmark descriptions or research references associated with Brown University."
            }
        ],
        "relationships": [
            {
                "target": "Brown University",
                "type": "Associated organization",
                "description": "Brown University is the organization, project community or institutional context associated with HMDB51.",
                "evidence_level": "documentary"
            },
            {
                "target": "Dataset and benchmark infrastructure",
                "type": "Domain context",
                "description": "HMDB51 belongs to the Dataset and benchmark infrastructure layer of the intelligent-entity registry.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "Official or reference dataset page",
                "url": "https://serre-lab.clps.brown.edu/resource/hmdb-a-large-human-motion-database/",
                "source_type": "Primary / Reference Source",
                "verification_status": "verified"
            }
        ]
    }
}

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