2 papers
cs.CL2026
Where Does Authorship Signal Emerge in Encoder-Based Language Models?
Francis Kulumba, Guillaume Vimont, Laurent Romary +1
Authorship attribution models fine-tuned with the same pretrained encoder, data, and loss can differ four-fold in performance depending only on their scoring mechanism. We use mech…
cs.DL2026
HALvest-Contrastive: Retrieval-Like Authorship Attribution with Patch-Level Late Interaction
Francis Kulumba, Wissam Antoun, Guillaume Vimont +2
Authorship attribution asks whether two pieces of text share a writer, but topical confound makes the task deceptively easy: two authors covering the same topic may look more alike…