recommenders-team/recommenders

Best Practices on Recommendation Systems

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Summary Information

Updated 8 minutes ago
Added to GitGenius on September 2nd, 2026
Created on September 19th, 2018
Open Issues & Pull Requests: 179 (+0)
GitHub issues: Enabled
Number of forks: 3,320
Total Stargazers: 21,877 (+0)
Total Subscribers: 275 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 2.7 days
Mean response time: 101.3 days
90th percentile: 242.7 days
Tracked items: 55

How this project is maintained

Around half of the issues opened in the past year never receive a reply. 50% of open issues come from outside the core team, a mix of external reports and the maintainers' own roadmap. Only 5% of issues opened in the past year have been closed. Three people close 93% of everything that gets resolved.

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Issue Activity (beta)

Open issues: 24
New in 7 days: 0
Closed in 7 days: 1
Avg open age: 435 days
Stale 30+ days: 21
Stale 90+ days: 18

Recent activity

Opened in 7 days: 0
Closed in 7 days: 1
Comments in 7 days: 1
Events in 7 days: 2

Top labels

  • bug (39)
  • enhancement (15)
  • help wanted (6)

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Detailed Description

Recommenders is a Python library and collection of best practices for building recommendation systems at scale.

The library addresses the challenge of implementing production-grade recommendation systems by providing reference implementations, utilities, and guidance across the full pipeline from data preparation through model evaluation and deployment. It offers tools for common recommendation tasks including rating prediction, ranking, and collaborative filtering approaches, alongside utilities for handling large datasets and operationalizing models in distributed environments like Kubernetes.

The project suits teams building recommendation engines who want to avoid reimplementing standard patterns and benefit from tested approaches. It works well for organizations moving from prototypes to production systems, particularly those working with substantial data volumes. The library includes Jupyter notebooks that demonstrate workflows end-to-end, making it valuable for both learning recommendation system design and as a foundation for production implementations. Teams should adopt it if they need practical guidance on model selection, evaluation metrics appropriate to recommendation tasks, and deployment considerations rather than starting from scratch.

Development activity shows consistent engagement with the codebase through regular updates and maintenance. The project maintains active issue resolution and incorporates community feedback into its direction. Documentation receives ongoing attention to keep guidance current and examples functional. The team demonstrates commitment to supporting multiple recommendation approaches and algorithms rather than advocating for a single methodology.