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OpenMed/
OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1

Name: OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1
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OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1

Arabic PII Detection Model | 568M Parameters | Open Source

Model Description

OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1 is a transformer-based token classification model fine-tuned for Personally Identifiable Information (PII) detection in Arabic text. This model identifies and classifies 54 types of sensitive information including names, addresses, social security numbers, medical record numbers, and more.

Key Features

Arabic-Optimized: Specifically trained on Arabic text for optimal performance
High Accuracy: Achieves strong F1 scores across diverse PII categories
Comprehensive Coverage: Detects 55+ entity types spanning personal, financial, medical, and contact information
Privacy-Focused: Designed for de-identification and compliance with GDPR and other privacy regulations
Production-Ready: Optimized for real-world text processing pipelines

Performance

Evaluated on the Arabic test split (AI4Privacy + synthetic data):

Metric	Score
Micro F1	0.8582
Precision	0.8384
Recall	0.8788
Macro F1	0.6752
Weighted F1	0.8582
Accuracy	0.9071

Top 2 Arabic PII Models

Rank	Model	F1	Precision	Recall
1	OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1	0.8582	0.8384	0.8788
2	OpenMed-PII-Arabic-BigMed-Large-560M-v1	0.8567	0.8394	0.8747

Supported Entity Types

This model detects 54 PII entity types organized into categories:

Identifiers (22 types)

Entity	Description
`ACCOUNTNAME`	Accountname
`BANKACCOUNT`	Bankaccount
`BIC`	Bic
`BITCOINADDRESS`	Bitcoinaddress
`CREDITCARD`	Creditcard
`CREDITCARDISSUER`	Creditcardissuer
`CVV`	Cvv
`ETHEREUMADDRESS`	Ethereumaddress
`IBAN`	Iban
`IMEI`	Imei
...	and 12 more

Personal Info (11 types)

Entity	Description
`AGE`	Age
`DATEOFBIRTH`	Dateofbirth
`EYECOLOR`	Eyecolor
`FIRSTNAME`	Firstname
`GENDER`	Gender
`HEIGHT`	Height
`LASTNAME`	Lastname
`MIDDLENAME`	Middlename
`OCCUPATION`	Occupation
`PREFIX`	Prefix
...	and 1 more

Contact Info (2 types)

Entity	Description
`EMAIL`	Email
`PHONE`	Phone

Location (9 types)

Entity	Description
`BUILDINGNUMBER`	Buildingnumber
`CITY`	City
`COUNTY`	County
`GPSCOORDINATES`	Gpscoordinates
`ORDINALDIRECTION`	Ordinaldirection
`SECONDARYADDRESS`	Secondaryaddress
`STATE`	State
`STREET`	Street
`ZIPCODE`	Zipcode

Organization (3 types)

Entity	Description
`JOBDEPARTMENT`	Jobdepartment
`JOBTITLE`	Jobtitle
`ORGANIZATION`	Organization

Financial (5 types)

Entity	Description
`AMOUNT`	Amount
`CURRENCY`	Currency
`CURRENCYCODE`	Currencycode
`CURRENCYNAME`	Currencyname
`CURRENCYSYMBOL`	Currencysymbol

Temporal (2 types)

Entity	Description
`DATE`	Date
`TIME`	Time

Usage

Quick Start

python

from transformers import pipeline

# Load the PII detection pipeline
ner = pipeline("ner", model="OpenMed/OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1", aggregation_strategy="simple")

text = """
المريض خالد العتيبي (تاريخ الميلاد: 15/03/1985، رقم الهوية: 9876543210) تم فحصه اليوم.
التواصل: khaled.otaibi@email.sa، الهاتف: +966 50 123 4567.
العنوان: شارع العليا 42، الرياض 11432.
"""

entities = ner(text)
for entity in entities:
    print(f"{entity['entity_group']}: {entity['word']} (score: {entity['score']:.3f})")

De-identification Example

python

def redact_pii(text, entities, placeholder='[REDACTED]'):
    """Replace detected PII with placeholders."""
    # Sort entities by start position (descending) to preserve offsets
    sorted_entities = sorted(entities, key=lambda x: x['start'], reverse=True)
    redacted = text
    for ent in sorted_entities:
        redacted = redacted[:ent['start']] + f"[{ent['entity_group']}]" + redacted[ent['end']:]
    return redacted

# Apply de-identification
redacted_text = redact_pii(text, entities)
print(redacted_text)

Batch Processing

python

from transformers import AutoModelForTokenClassification, AutoTokenizer
import torch

model_name = "OpenMed/OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1"
model = AutoModelForTokenClassification.from_pretrained(model_name)
tokenizer = AutoTokenizer.from_pretrained(model_name)

texts = [
    "المريض خالد العتيبي (تاريخ الميلاد: 15/03/1985، رقم الهوية: 9876543210) تم فحصه اليوم.",
    "التواصل: khaled.otaibi@email.sa، الهاتف: +966 50 123 4567.",
]

inputs = tokenizer(texts, return_tensors='pt', padding=True, truncation=True)
with torch.no_grad():
    outputs = model(**inputs)
    predictions = torch.argmax(outputs.logits, dim=-1)

Training Details

Dataset

This model was trained on a combination of:

AI4Privacy PII Masking 200K: Multilingual base dataset (200K records across 8 languages)
NVIDIA Nemotron-PII: Seed dataset for synthetic data generation
Synthetic Arabic Data: ~25K high-quality samples generated with locale-specific formatting (National ID format, +966 phones, Arabic names, SAR/ر.س currency)
Format: BIO-tagged token classification
Labels: 76 BIO tags (54 entity types)

Training Configuration

Max Sequence Length: 512 tokens
Framework: Hugging Face Transformers + Trainer API

Intended Use & Limitations

Intended Use

De-identification: Automated redaction of PII in Arabic clinical notes, medical records, and documents
Compliance: Supporting GDPR, and other privacy regulation compliance
Data Preprocessing: Preparing datasets for research by removing sensitive information
Audit Support: Identifying PII in document collections

Limitations

Important: This model is intended as an assistive tool, not a replacement for human review.

False Negatives: Some PII may not be detected; always verify critical applications
Context Sensitivity: Performance may vary with domain-specific terminology
Language: Optimized for Arabic text; may not perform well on other languages

Citation

bibtex

@misc{openmed-pii-2026,
  title = {OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1: Arabic PII Detection Model},
  author = {OpenMed Science},
  year = {2026},
  publisher = {Hugging Face},
  url = {https://huggingface.co/OpenMed/OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1}
}

OpenMed/OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1

OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1

Model Description

Key Features

Performance

Top 2 Arabic PII Models

Supported Entity Types

Usage

Quick Start

De-identification Example

Batch Processing

Training Details

Dataset

Training Configuration

Intended Use & Limitations

Intended Use

Limitations

Citation

Links

OpenMed/
OpenMed-PII-Arabic-SnowflakeMed-Large-568M-v1