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Sponsored AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI

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Wen-Qi Fan

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#machine learning Preprint Sep 2026

An Exact Junction-Tree Extended Formulation for Optimal Classification Trees

We develop an exact linear programming (LP) formulation for bounded-depth classification trees with binary features, using a junction-tree representation. The formulation is integral and supports recursive subtree optimization. Exact reductions make the model smaller while preserving the optimal value and recovery of a...

Jian-Cheng Tu, Wen-Qi Fan · 0 citations
#machine learning Preprint Sep 2026

Scaling Optimal Classification Trees via Adaptive Feature and Sample Reduction

Dynamic programming for optimal classification trees becomes computationally expensive as the numbers of features and training samples increase. We develop a joint feature- and sample-space reduction framework based on STreeD. Weighted STreeD merges duplicate records created after projection onto a fixed candidate set...

Jian-Cheng Tu, Wen-Qi Fan · 0 citations

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