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SimoneAstarita/trilingual-no-bio-20251012-205606-t21

sourceHugging Faceapache-2.0updated 1y agoView on Hugging Face
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october-finetuning-more-variables-sweep-20251012-205606-t13

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

Trial timestamp (UTC): 2025-10-12 20:56:06 Data case: en-es-it

Configuration (trial hyperparameters)

Model: Alibaba-NLP/gte-multilingual-base

HyperparameterValue
LANGUAGESen-es-it
LR2e-05
EPOCHS3
MAX_LENGTH256
USE_BIOFalse
USELANGTOKENFalse
GATED_BIOFalse
FOCAL_LOSSTrue
FOCAL_GAMMA2.5
USE_SAMPLERTrue
R_DROPTrue
RKLALPHA0.5
TEXT_NORMALIZETrue

Dev set results (summary)

MetricValue
f1macrodev_0.50.7148663237442052
f1weighteddev_0.50.8397177643197989
accuracydev0.50.821826280623608
f1macrodevbestglobal0.7349841198459766
f1weighteddevbestglobal0.864951679724489
accuracydevbest_global0.8596881959910914
f1macrodevbestby_lang0.7336960726166224
f1weighteddevbestby_lang0.8575109332646288
accuracydevbestbylang0.8463251670378619
default_threshold0.5
bestthresholdglobal0.6
thresholdsbylang{"en": 0.5, "it": 0.55, "es": 0.6}

Thresholds

  • —Default: 0.5
  • —Best global: 0.6
  • —Best by language: { "en": 0.5, "it": 0.55, "es": 0.6 }

Detailed evaluation

Classification report @ 0.5

text
              precision    recall  f1-score   support

 no-recl (0)     0.9499    0.8364    0.8895       385
    recl (1)     0.4273    0.7344    0.5402        64

    accuracy                         0.8218       449
   macro avg     0.6886    0.7854    0.7149       449
weighted avg     0.8754    0.8218    0.8397       449

Classification report @ best global threshold (t=0.60)

text
              precision    recall  f1-score   support

 no-recl (0)     0.9328    0.9013    0.9168       385
    recl (1)     0.5065    0.6094    0.5532        64

    accuracy                         0.8597       449
   macro avg     0.7196    0.7553    0.7350       449
weighted avg     0.8720    0.8597    0.8650       449

Classification report @ best per-language thresholds

text
              precision    recall  f1-score   support

 no-recl (0)     0.9438    0.8727    0.9069       385
    recl (1)     0.4731    0.6875    0.5605        64

    accuracy                         0.8463       449
   macro avg     0.7085    0.7801    0.7337       449
weighted avg     0.8767    0.8463    0.8575       449

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

langnaccf1_macrof1_weightedprec_macrorec_macroprec_weightedrec_weighted
en1540.81170.60810.84290.59250.68770.89100.8117
it1630.87730.80560.87870.79870.81320.88050.8773
es1320.84850.75330.86010.72550.80800.88270.8485

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-more-variables-sweep-20251012-205606-t13"
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.