Dataset · Hugging Face

perplexity-ai/PII-TRACE

Name: PII-TRACE
Creator: perplexity-ai
License: mit
Keywords: task_categories:token-classification, language:en, license:mit, size_categories:n<1K, format:parquet, modality:text, library:datasets, library:pandas, library:polars, library:mlcroissant, arxiv:2609.22200, region:us, pii, named-entity-recognition, span-detection

PII-TRACE PII-TRACE is a synthetic dataset for privacy-focused named entity recognition (NER) of personally identifiable information (PII), released as a 500-conversation subset of multi-turn dialogues with exact span annotations. Dataset summary This release contains 500 conversations with 2,653 annotated PII spans across nine labels. Among them, 450 conversations contain PII spans and 50 contain none. Data format Each record contains: Field… See the full description on the dataset page: https://huggingface.co/datasets/perplexity-ai/PII-TRACE.

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Author / organization	perplexity-ai
License (as declared)	mit
Downloads	352 (as reported by Hugging Face)
Likes	2
Created	13 September 2026
Last updated at source	22 September 2026

piinamed-entity-recognitionspan-detectionconversationalmulti-turn

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