Apprentice Gemma 4 E4B LoRA (document type classification)

LoRA adapter fine-tuned on 140 golden examples from a corrected Tobacco3482 OCR-text dataset to classify one document type from: ADVE, Email, Form, Letter, Memo, News, Note, Report, Resume, Scientific.

The input prompt is the verbatim shipped document-type prompt from icereed/paperless-gpt, filled with English, the allowed type list, an empty title, and OCR text capped at about 4,000 characters.

Results (60 held-out rows, exact match)

Fill in from this task's README after publishing this run's printed numbers.

Training

LoRA r=16, alpha 16, 3 epochs, lr 2e-4, batch 2 x grad-accum 4, Unsloth 4-bit, Colab GPU. Train/eval split: seed 42, 140/60 from 200 sampled rows, identical split across every model this task is fine-tuned on.

Usage

Load with PEFT on top of google/gemma-4-E4B-it, or serve locally with an adapter-capable runtime. Caveat: evaluated on 60 rows for one field only. Re-validate on your paperless-ngx document types before production use.

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