MS MARCO

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

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    "@type": "Thing",
    "identifier": "ENT-00001111",
    "name": "MS MARCO",
    "alternateName": [],
    "additionalType": {
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        "type": "Dataset",
        "subtype": "",
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    "description": "MS MARCO is a dataset associated with Microsoft, classified in LXKeys.world as AI Dataset.",
    "creator": "Microsoft",
    "url": "https://lxkeys.world/entry.php?id=ENT-00001111&lang=en",
    "sameAs": "https://microsoft.github.io/msmarco/",
    "image": "",
    "lxkeysWorld": {
        "worldId": "ENT-00001111",
        "kind": "Data and Evaluation",
        "type": "Dataset",
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        "classification": "AI Dataset",
        "organization": "Microsoft",
        "originContext": "AI evaluation and dataset record",
        "firstPublicAppearance": "2016",
        "currentStatus": "Documented",
        "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": "2026-06-16T23:59:14+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:14+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
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        "facts": [],
        "capabilities": [
            "Evaluation reference",
            "Comparable measurement",
            "Research reproducibility",
            "Model documentation support"
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        "limitations": [
            "Benchmark interpretation depends on task design, data quality and contamination controls.",
            "Scores should not be treated as a complete measure of intelligence."
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        "tags": [
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            "Evaluation",
            "Documentation",
            "Established",
            "Batch 03 Candidate"
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        "timeline": [
            {
                "date": "2016",
                "title": "Initial dataset release",
                "description": "MS MARCO entered the documented public record in 2016. This event is retained at the precision supported by the Entry’s reviewed source history.",
                "source_url": "https://microsoft.github.io/msmarco/",
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                "authority": "OFFICIAL",
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