habedi/kaggle-knowledge-graph

Kaggle Knowledge Graph

A knowledge graph built from Kaggle's public Meta Kaggle (and Meta Kaggle Code datasets). It links competitions, teams, submissions, users, notebooks, datasets, discussion forums, tags, organizations, and notebook code invocations.

See the [project repository](https://github.com/IssunDB/kaggle-knowledge-graph) for build scripts and documentation on the graph schema, data model, and usage examples.

Release

File counts, byte sizes, and SHA-256 digests are recorded in manifest.json.

Scope

The graph covers competitions enabled on or after 2020-01-01 (excluding Community events) and their associated entities:

• —Ranked and medal-winning teams, their members, leaders, and leaderboard submissions.
• —The 50 most-voted notebooks per competition, notebook version lineage, and referenced datasets.
• —Competition discussion forums with topics, team write-ups, and messages (in raw HTML and Markdown).
• —Tag taxonomy, host and owner organizations, imported libraries, and parsed Python API calls.

All edge endpoints resolve to nodes present in this release.

Tables

Nodes

Edges

Usage

Query directly with DuckDB:

import duckdb

duckdb.sql("""
    SELECT c.Title, COUNT(*) AS teams
    FROM 'data/edges_team_competed_in_competition.parquet' e
    JOIN 'data/nodes_competition.parquet' c ON c.Id = e.to_competition_id
    GROUP BY c.Title
    ORDER BY teams DESC
    LIMIT 10
""").show()

Load with Hugging Face datasets:

from datasets import load_dataset

competitions = load_dataset("habedi/kaggle-knowledge-graph", "nodes_competition", split="train")

To query with Cypher, load the files into IssunDB or any other graph database of your choice.

Limitations

• —Snapshot from 2026-09-18; later Kaggle activity is not included.
• —Covers competitions enabled on or after 2020-01-01 and at most 50 most-voted notebooks per competition.
• —Library and API call tables cover only notebook versions available in Meta Kaggle Code.
• —Forum messages are stored as raw Kaggle HTML and Markdown.

Licensing and Privacy

Meta Kaggle data is licensed under CC BY-NC-SA 4.0 for non-commercial use with attribution. Build scripts at https://github.com/IssunDB/kaggle-knowledge-graph are licensed under the MIT License. The dataset includes only public profile attributes and forum posts published by Kaggle.