Rare Earth Recovery Prediction
Predict element recovery across a solvent-extraction separation train from stage conditions and feed assay. Lower MAE is better.
Metric
MAE (recovery %)
Baseline
Rare Earth Recovery Predictor
Submissions
37
Updated
2026-06-24
Leaderboard
| Rank | Submitter | Model | Type | Score | Date |
|---|---|---|---|---|---|
| 1 | k.almeida | sx-gbm-v3 | Research implementation | 1.42 | 2026-06-24 |
| 2 | h.novak | stagenet | Research implementation | 1.55 | 2026-06-19 |
| 3 | matereal | ree-recovery-predictor | Synthetic-data model | 1.80 | 2026-06-18 |
| 4 | s.iyer | tabular-mlp | Baseline model | 1.97 | 2026-06-10 |
| 5 | d.moreau | ridge-baseline | Baseline model | 2.61 | 2026-06-02 |
Entries are reference and research submissions on the open split. Scores are illustrative and require plant-specific validation for industrial use.
Task definition
Evaluation metric
MAE (recovery %)
Submission rules
- 1
Train only on the provided synthetic training split; the test split is held out.
- 2
Report MAE on the official test split with a fixed random seed.
- 3
Submit the model card, training data type, and license with each entry.
Discussion
- s.Question
s.iyer
ML researcher · 2d
Are ensemble submissions allowed, or single-model only? Worth stating explicitly in the rules.
7 - maComment
matereal
Maintainer · 2d
Ensembles are allowed if reproducible from the submitted artifacts. We'll clarify in the next rules revision.
5
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