Datasets:

somukandula
/

maskara-extensive-pii

license: other
language:
  - en
tags:
  - privacy
  - pii
  - token-classification
  - named-entity-recognition
  - synthetic-data
  - data-masking
task_categories:
  - token-classification
pretty_name: Maskara Extensive PII
size_categories:
  - 10K<n<100K

Maskara Extensive PII

This dataset is the larger training corpus used for the real Maskara Transformers token-classification model.

It contains 75,000 examples:

train.jsonl: 67,500 examples
validation.jsonl: 3,750 examples
test.jsonl: 3,750 examples

Sources

Maskara synthetic v2 generator
Public examples normalized from ai4privacy/pii-masking-300k

The dataset includes chat prompts, email drafts, support tickets, delivery messages, identity prompts, finance prompts, code/log snippets, JSON snippets, calendar messages, map/travel prompts, and hard negatives.

Schema

{
  "id": "maskara-extensive-0000001",
  "text": "Email Maya Rao at maya.rao@example.org.",
  "entities": [
    {"start": 6, "end": 14, "label": "PERSON_NAME", "text": "Maya Rao"},
    {"start": 18, "end": 38, "label": "EMAIL", "text": "maya.rao@example.org"}
  ],
  "domain": "email_draft",
  "locale": "en-US",
  "difficulty": "mixed",
  "source": "maskara_synthetic_v2"
}

Labels

ADDRESS
API_KEY
CREDIT_CARD
DATE_OF_BIRTH
DRIVER_LICENSE
EMAIL
IP_ADDRESS
LOCATION
PASSWORD
PERSON_NAME
PHONE
SSN
USERNAME

Notes

This is not real user vault data. Maskara should never train on real local vault mappings or private user prompts.