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AnonBert-ENR
Matela7/AnonBert-ENR
AnonBert-ENR is a token classification model from Matela7. Use it when you need labels on individual words, such as names. The card lists the license as mit.
Fine-tuned HerBERT model for Named Entity Recognition and anonymization of sensitive personal information in Polish text.
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At a glance
- Task
- Token Classification
- License
- mit
- Model type
- bert
- Access
- Public
- Created
- Dec 6, 2025
- Updated
- Dec 7, 2025
- SHA
- 084d0d96
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Model card
From the Hugging Face model README
AnonBERT-ENR: Polish Personal Data Anonymization Model
Fine-tuned HerBERT model for Named Entity Recognition and anonymization of sensitive personal information in Polish text.
Achieves 84% F1 score on test set for identifying and anonymizing 25+ types of personal data entities.
Model Description
AnonBERT-ENR is a specialized NER model fine-tuned on allegro/herbert-base-cased for detecting and anonymizing personal data in Polish documents. The model is designed to help organizations comply with GDPR and other privacy regulations by automatically identifying sensitive information.
Key Features
- ✅ High Accuracy: 84% F1 score on diverse test data
- 🇵🇱 Polish Language: Optimized for Polish text and naming conventions
- 🔒 Privacy-Focused: Detects 25+ types of sensitive personal information
- 🚀 Production Ready: Includes complete anonymization pipeline
- 📊 Comprehensive Coverage: Names, IDs, contact info, health data, political views, and more
Supported Entity Types
The model can identify the following types of personal information:
| Entity Type | Description | Example |
|---|---|---|
NAME | First name | Jan |
SURNAME | Last name | Kowalski |
EMAIL | Email address | [email protected] |
PHONE | Phone number | +48 123 456 789 |
PESEL | National ID number | 12345678901 |
DOCUMENT | ID document number | ABC123456 |
ADDRESS | Street address | ul. Marszałkowska 1 |
CITY | City name | Warszawa |
BANK_ACCOUNT | Bank account number | PL61109010140000071219812874 |
CREDIT_CARD | Credit card number | 1234-5678-9012-3456 |
DATE_BIRTH | Date of birth | 1990-05-20 |
DATE | General date | 2024-01-15 |
AGE | Age | 25 lat |
SEX | Gender/sex | Mężczyzna, Kobieta |
COMPANY | Company name | Allegro |
SCHOOL | School name | Uniwersytet Warszawski |
JOB | Job title | Dyrektor |
USERNAME | Username/login | jan.kowalski |
HEALTH | Health information | cukrzyca |
RELIGION | Religious affiliation | katolik |
POLITICAL | Political views | liberalny |
ETHNICITY | Ethnicity | polska |
ORIENTATION | Sexual orientation | heteroseksualny |
RELATIVE | Family relation | matka |
SECRET | Secret/confidential info | hasło: abc123 |
- Task
- Token Classification
- Type
- bert
- License
- mit
- Languages
- pl
- Created
- Dec 6, 2025
- Updated
- Dec 7, 2025