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SimoneAstarita/en-no-bio-20251013-151531-t02

sourceHugging Faceapache-2.0updated 1y agoView on Hugging Face
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october-finetuning-monolingual-en-sweep-20251013-151531-t02

Slur reclamation binary classifier Task: LGBTQ+ reclamation vs non-reclamation use of harmful words on social media text.

Trial timestamp (UTC): 2025-10-13 15:15:31 Data case: en

Configuration (trial hyperparameters)

Model: Alibaba-NLP/gte-multilingual-base

HyperparameterValue
LANGUAGESen
LR3e-05
EPOCHS3
MAX_LENGTH256
USE_BIOFalse
USELANGTOKENFalse
GATED_BIOFalse
FOCAL_LOSSTrue
FOCAL_GAMMA1.5
USE_SAMPLERFalse
R_DROPTrue
RKLALPHA1.0
TEXT_NORMALIZETrue

Dev set results (summary)

MetricValue
f1macrodev_0.50.5357632228007674
f1weighteddev_0.50.8188936303488236
accuracydev0.50.7857142857142857
f1macrodevbestglobal0.5357632228007674
f1weighteddevbestglobal0.8188936303488236
accuracydevbest_global0.7857142857142857
f1macrodevbestby_lang0.5357632228007674
f1weighteddevbestby_lang0.8188936303488236
accuracydevbestbylang0.7857142857142857
default_threshold0.5
bestthresholdglobal0.5
thresholdsbylang{"en": 0.5}

Thresholds

  • —Default: 0.5
  • —Best global: 0.5
  • —Best by language: { "en": 0.5 }

Detailed evaluation

Classification report @ 0.5

text
              precision    recall  f1-score   support

 no-recl (0)     0.9286    0.8298    0.8764       141
    recl (1)     0.1429    0.3077    0.1951        13

    accuracy                         0.7857       154
   macro avg     0.5357    0.5687    0.5358       154
weighted avg     0.8622    0.7857    0.8189       154

Classification report @ best global threshold (t=0.50)

text
              precision    recall  f1-score   support

 no-recl (0)     0.9286    0.8298    0.8764       141
    recl (1)     0.1429    0.3077    0.1951        13

    accuracy                         0.7857       154
   macro avg     0.5357    0.5687    0.5358       154
weighted avg     0.8622    0.7857    0.8189       154

Classification report @ best per-language thresholds

text
              precision    recall  f1-score   support

 no-recl (0)     0.9286    0.8298    0.8764       141
    recl (1)     0.1429    0.3077    0.1951        13

    accuracy                         0.7857       154
   macro avg     0.5357    0.5687    0.5358       154
weighted avg     0.8622    0.7857    0.8189       154

Per-language metrics (at best-by-lang)

langnaccf1_macrof1_weightedprec_macrorec_macroprec_weightedrec_weighted
en1540.78570.53580.81890.53570.56870.86220.7857

Data

  • —Train/Dev: private multilingual splits with ~15% stratified Dev (by (lang,label)).
  • —Source: merged EN/IT/ES data with bios retained (ignored if unused by model).

Usage

python
from transformers import AutoTokenizer, AutoModelForSequenceClassification, AutoConfig
import torch, numpy as np

repo = "SimoneAstarita/october-finetuning-monolingual-en-sweep-20251013-151531-t02"
tok = AutoTokenizer.from_pretrained(repo)
cfg = AutoConfig.from_pretrained(repo)
model = AutoModelForSequenceClassification.from_pretrained(repo)

texts = ["example text ..."]
langs = ["en"]

mode = "best_global"  # or "0.5", "by_lang"

enc = tok(texts, truncation=True, padding=True, max_length=256, return_tensors="pt")
with torch.no_grad():
    logits = model(**enc).logits
probs = torch.softmax(logits, dim=-1)[:, 1].cpu().numpy()

if mode == "0.5":
    th = 0.5
    preds = (probs >= th).astype(int)
elif mode == "best_global":
    th = getattr(cfg, "best_threshold_global", 0.5)
    preds = (probs >= th).astype(int)
elif mode == "by_lang":
    th_by_lang = getattr(cfg, "thresholds_by_lang", {})
    preds = np.zeros_like(probs, dtype=int)
    for lg in np.unique(langs):
        t = th_by_lang.get(lg, getattr(cfg, "best_threshold_global", 0.5))
        preds[np.array(langs) == lg] = (probs[np.array(langs) == lg] >= t).astype(int)
print(list(zip(texts, preds, probs)))

Additional files

reports.json: all metrics (macro/weighted/accuracy) for @0.5, @bestglobal, and @bestbylang. config.json: stores thresholds: defaultthreshold, bestthresholdglobal, thresholdsbylang. postprocessing.json: duplicate threshold info for external tools.

SimoneAstarita/en-no-bio-20251013-151531-t02 · CoolFace