Papers by Lucas Georges Gabriel Charpentier
Re-identification of De-identified Documents with Autoregressive Infilling (2025.acl-long)
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| Challenge: | Documents revealing sensitive information about individuals must typically be de-identified by masking all mentions of PII . |
| Approach: | They propose a method that attempts to reverse the process of re-identification based on a database of documents representing background knowledge. |
| Outcome: | The proposed method can recover as many as 80% of de-identified text spans and improve accuracy along with the level of background knowledge. |
Systematic Generalization in Language Models Scales with Information Entropy (2025.findings-acl)
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| Challenge: | Existing benchmarks for assessing compositional behavior are unclear on how to measure the difficulty of a systematic generalization problem. |
| Approach: | They propose a framework for measuring entropy in a sequence-to-sequence task and a method for measuring it. |
| Outcome: | The proposed framework scales with the entropy of the distribution of component parts in the training data. |