What the resource contains
- About 12 million anonymized sessions
- Timestamped article interactions: clicks, carts and orders
- Approximately 220 million events involving 1.8 million article IDs
Potential uses
- Train next-item recommenders
- Model multi-event shopping journeys
- Evaluate session-based recommendations
Access & formats
JSONL. External dependencies. Follow the project’s instructions on GitHub; some resources require external files, registration or approval.
License & reuse
The README explicitly licenses the dataset under CC BY 4.0 and the code under MIT. Attribution is required for data reuse.
Important limitations
Article identifiers are anonymized. This is a historical benchmark without descriptive live product catalogs.
Source & attribution
otto-de — original GitHub project ↗
Documentation reviewed 2026-09-24. Review scope and licensing notes. Suggest a correction.
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