C4 Dataset
ENT-00000719 · Research System

C4 Dataset

C4 Dataset is a research system associated with Google, classified in LXKeys.world as AI Research / Specialized System.

Level V PersistentActiveDocumented
Human record

Overview

C4 Dataset is documented as a research system, benchmark, dataset or scientific AI record associated with Google. It is relevant for cleaned Common Crawl corpus used in text-to-text model training. The record helps situate evaluation, discovery, training evidence or scientific capability in the registry graph.

Timeline

  1. 2020Initial research publication or demonstration

    C4 Dataset entered the documented public record in 2020. This event is retained at the precision supported by the Entry’s reviewed source history.

Capabilities

Research evaluation or discoveryScientific or benchmark utilityStructured evidence generationModel or system analysis

Known limitations

Capabilities vary by release, deployment setting and evaluation method.Operational details may differ across hosted APIs, open releases or downstream integrations.
Technical and structured detail

Technical description

Structured LXKeys.world registry record for C4 Dataset. Entity type: Research System; classification: AI Research / Specialized System; creator/organization context: Google Research. Canonical source anchor: https://www.tensorflow.org/datasets/catalog/c4. 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.

Controlled tags

GoogleResearch SystemResearchlanguage
Relationship graph

C4 Dataset

Open in full graph
C4 Dataset
Associated OrganizationOutgoing
Google

Google is the organization or ecosystem associated with C4 Dataset.

Creator or DeveloperOutgoing
Google Research

Google Research is identified as a creator, developer or originating actor for C4 Dataset.

Machine readable layer

Structured entry data for human tools, AI systems and machine clients.

{
    "@context": [
        "https://schema.org",
        {
            "lxw": "https://lxkeys.world/schema/"
        }
    ],
    "@type": "Thing",
    "identifier": "ENT-00000719",
    "name": "C4 Dataset",
    "alternateName": [],
    "additionalType": {
        "category": "Methods and Research",
        "type": "Research System",
        "subtype": "",
        "lxkeysEntity": false
    },
    "description": "C4 Dataset is a research system associated with Google, classified in LXKeys.world as AI Research / Specialized System.",
    "creator": "Google Research",
    "url": "https://lxkeys.world/entry.php?id=ENT-00000719&lang=en",
    "sameAs": "https://www.tensorflow.org/datasets/catalog/c4",
    "image": "https://lxkeys.world/uploads/entity-images/ENT-00000719.png",
    "lxkeysWorld": {
        "worldId": "ENT-00000719",
        "kind": "Methods and Research",
        "type": "Research System",
        "subtype": "",
        "classification": "AI Research / Specialized System",
        "organization": "Google",
        "originContext": "Dataset",
        "firstPublicAppearance": "2020",
        "currentStatus": "Active",
        "documentationStatus": "Documented",
        "documentationIndex": {
            "total": 82,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 19,
            "level": "Level V Persistent"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-16T23:59:02+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:02+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "facts": [],
        "capabilities": [
            "Research evaluation or discovery",
            "Scientific or benchmark utility",
            "Structured evidence generation",
            "Model or system analysis"
        ],
        "limitations": [
            "Capabilities vary by release, deployment setting and evaluation method.",
            "Operational details may differ across hosted APIs, open releases or downstream integrations."
        ],
        "tags": [
            "Google",
            "Research System",
            "Research",
            "language"
        ],
        "timeline": [
            {
                "date": "2020",
                "title": "Initial research publication or demonstration",
                "description": "C4 Dataset entered the documented public record in 2020. This event is retained at the precision supported by the Entry’s reviewed source history.",
                "source_url": "https://www.tensorflow.org/datasets/catalog/c4",
                "verification_status": "source_backed_official"
            }
        ],
        "relationships": [
            {
                "target": "Google",
                "type": "Associated Organization",
                "description": "Google is the organization or ecosystem associated with C4 Dataset.",
                "evidence_level": "documentary"
            },
            {
                "target": "Google Research",
                "type": "Creator or Developer",
                "description": "Google Research is identified as a creator, developer or originating actor for C4 Dataset.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "C4 Dataset official reference",
                "url": "https://www.tensorflow.org/datasets/catalog/c4",
                "source_type": "Official Documentation",
                "verification_status": "verified",
                "authority": "OFFICIAL",
                "role": "primary",
                "update_enabled": true,
                "authority_basis": "curated-corpus-refresh-2026-09-08"
            }
        ],
        "canonical": [],
        "imageMeta": {
            "path": "uploads/entity-images/ENT-00000719.png",
            "sha256": "106b8ebbcf0de0074f212da5a1a397a2d18427c854b5d543acc94e5f534da264",
            "width": 512,
            "height": 512,
            "mime": "image/png",
            "provenance_status": "PROVENANCE_UNCONFIRMED",
            "review_status": "preserved_pending_official_verification",
            "legacy_provenance_status": "legacy_unverified",
            "source_type": "historical",
            "source_label": "LXKeys.world historical media corpus",
            "metadata_namespace": "urn:lxkeys:xmp:1.0",
            "metadata_embedded": true,
            "metadata_verified": true,
            "asset_id": "LXW-IMG-ENT-00000719-106B8EBBCF0D",
            "processing_id": "LXP-20260908-00AB56EADF65",
            "processed_at_utc": "2026-09-08T18:00:00Z",
            "dypclt": "D-0 Y-2 P-4 C-4 L-33 T-6",
            "rights_holder": "",
            "rights_policy": "PROVENANCE_REVIEW_REQUIRED",
            "original_sha256": "106b8ebbcf0de0074f212da5a1a397a2d18427c854b5d543acc94e5f534da264",
            "processed_sha256": "658d258789d5110fef5137085c85612dc8e46c11400fccd055ec7458ce759531"
        }
    }
}
Proofs

Contribute to this record

Submit a source, correction or comment. Public changes remain moderated.

Submit proof or comment

Approved comments

No approved public comment yet.