ENT-00002740 · Dataset

Million Song Dataset

Million Song Dataset is a recommendation / user behavior dataset associated with Columbia University / The Echo Nest.

Level V — PersistentActiveDocumented

Human readable record

Overview

Million Song Dataset is a documented recommendation or user-behavior dataset. It is recorded as music information retrieval dataset and supports experiments in collaborative filtering, ranking, personalization or recommender-system evaluation.

Timeline

2011Public release or documentation
Million Song Dataset appears in public documentation, project records, benchmark descriptions or research references associated with Columbia University / The Echo Nest.

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 Million Song Dataset. 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

DatasetRecommendation SystemsBehavioral DataBenchmark

Relationship graph

Million Song Dataset

Associated organizationColumbia University / The Echo Nest

Columbia University / The Echo Nest is the organization, project community or institutional context associated with Million Song Dataset.

Domain contextRecommendation systems and behavioral data

Million Song Dataset belongs to the Recommendation systems and behavioral data 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-00002740",
    "name": "Million Song Dataset",
    "alternateName": [],
    "additionalType": "Dataset",
    "description": "Million Song Dataset is a recommendation / user behavior dataset associated with Columbia University / The Echo Nest.",
    "creator": "Columbia University / The Echo Nest",
    "url": "entity.php?id=ENT-00002740",
    "sameAs": "http://millionsongdataset.com/",
    "lxkeysWorld": {
        "classification": "Recommendation / User Behavior Dataset",
        "organization": "Columbia University / The Echo Nest",
        "originContext": "Recommendation systems and behavioral data",
        "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",
            "Recommendation Systems",
            "Behavioral Data",
            "Benchmark"
        ],
        "timeline": [
            {
                "date": "2011",
                "title": "Public release or documentation",
                "description": "Million Song Dataset appears in public documentation, project records, benchmark descriptions or research references associated with Columbia University / The Echo Nest."
            }
        ],
        "relationships": [
            {
                "target": "Columbia University / The Echo Nest",
                "type": "Associated organization",
                "description": "Columbia University / The Echo Nest is the organization, project community or institutional context associated with Million Song Dataset.",
                "evidence_level": "documentary"
            },
            {
                "target": "Recommendation systems and behavioral data",
                "type": "Domain context",
                "description": "Million Song Dataset belongs to the Recommendation systems and behavioral data layer of the intelligent-entity registry.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "Official or reference dataset page",
                "url": "http://millionsongdataset.com/",
                "source_type": "Primary / Reference Source",
                "verification_status": "verified"
            }
        ]
    }
}

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