D4RL

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

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    "@type": "Thing",
    "identifier": "ENT-00001846",
    "name": "D4RL",
    "alternateName": [],
    "additionalType": {
        "category": "Data and Evaluation",
        "type": "Dataset",
        "subtype": "",
        "lxkeysEntity": false
    },
    "description": "D4RL is a dataset associated with UC Berkeley, classified in LXKeys.world as Robotics / RL Dataset.",
    "creator": "UC Berkeley",
    "url": "https://lxkeys.world/entry.php?id=ENT-00001846&lang=en",
    "sameAs": "https://github.com/Farama-Foundation/D4RL",
    "image": "",
    "lxkeysWorld": {
        "worldId": "ENT-00001846",
        "kind": "Data and Evaluation",
        "type": "Dataset",
        "subtype": "",
        "classification": "Robotics / RL Dataset",
        "organization": "UC Berkeley",
        "originContext": "Public AI and technical record",
        "firstPublicAppearance": "2020",
        "currentStatus": "Active",
        "documentationStatus": "Documented",
        "documentationIndex": {
            "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"
        },
        "facts": [],
        "capabilities": [
            "Reinforcement learning",
            "Embodied evaluation",
            "Research reference"
        ],
        "limitations": [
            "Dataset coverage, licensing, annotation quality, representativeness and allowed uses depend on the released version and source terms.",
            "Model performance on the dataset does not imply equivalent performance in deployment or on other populations and domains.",
            "Dataset revisions, removals or access restrictions can change over time."
        ],
        "tags": [
            "Robotics",
            "Benchmark",
            "Agentic Systems"
        ],
        "timeline": [
            {
                "date": "2020",
                "title": "Initial dataset release",
                "description": "D4RL 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://github.com/Farama-Foundation/D4RL",
                "verification_status": "source_backed_curated_baseline"
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        "relationships": [
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                "type": "Published by",
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                "url": "https://github.com/Farama-Foundation/D4RL",
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