Building a Trackmania Community Dataset for Level Generation & More
Wrapping two decades of Trackmania community maps and replays into an ML-friendly dataset of 850k+ maps, then using it to experiment with level generation from...
Read more →👋 I am Jean-Michel Daignan
A Senior Data Scientist and Machine Learning Engineer at Ubisoft, passionate about deploying ML systems in production and building personalization and discoverability systems. I share my learnings, experiments, and insights about data science, MLOps, and the intersection of gaming and AI.
Recent Posts
Back from the 2026 Databricks Data + AI Summit
A recap of the Databricks Data+AI Summit 2026 in San Francisco, covering the keynote announcements from Genie ONE and the AI Gateway to Reyden and...
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A Guide to Python Packaging
A practical walkthrough of Python packaging: project layout, pyproject.toml, publishing to PyPI, testing with pytest, documentation with Sphinx, and CI/CD with GitHub Actions illustrated through...
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Text Embeddings in Practice: Building a Cold-Start Content Recommender
A practical walkthrough of text embeddings from fundamentals to production — covering model selection, vector storage, similarity metrics, and validation through a real cold-start content...
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Rebuilding My Blog with Vibe Coding: Experiment and Reflections
I spent a weekend rebuilding my Jekyll blog using Claude Code and vibe coding. The result? A functional website in days instead of months. But...
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Why 95% of AI Projects 'Fail' — and How to Fix It
Debunking the AI failure myth by analyzing the MIT report, discussing ROI measurement, integration challenges, and what really makes data systems succeed.
Read more →Categories
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Recommender Systems
Recommendation algorithms, evaluation metrics, and personalization techniques
11 posts
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Artificial Intelligence
Machine learning, AI systems, MLOps, model deployment, and AI best practices
24 posts
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Data Engineering & Analytics
ETL pipelines, data processing, infrastructure, analytics, visualization, and insights discovery
15 posts
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Career
Professional development, industry insights, and career guidance
9 posts