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license: apache-2.0
pipeline_tag: text-classification
tags:
- lfm2
- data-use
- gate
- domain
- multi-task
---
# datause-classifier-multitask
Fine-tune of `LiquidAI/LFM2.5-Encoder-230M` with two heads: a page `has_data` gate and a
document `teratopic` domain classifier.
## Labels
30 teratopic sector themes (see `encoder_labels.json`).
## Training
- base model: `LiquidAI/LFM2.5-Encoder-230M`
- epochs: 3
- learning rate: 2e-05
- max_length: 2048
- precision: bf16
## Evaluation (holdout)
### Gate (page has_data)
- threshold: 0.95
- precision: 0.9409
- recall: 0.8785
- F1: 0.9086
- % pages flagged negative: 0.4604
### Domain (teratopic)
- micro F1: 0.5245
- macro F1: 0.3940
- mean average precision: 0.5031
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