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20232025
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cs.CL2025

Steering Prepositional Phrases in Language Models: A Case of with-headed Adjectival and Adverbial Complements in Gemma-2

Stefan Arnold, René Gröbner

Language Models, when generating prepositional phrases, must often decide for whether their complements functions as an instrumental adjunct (describing the verb adverbially) or an…

cs.CL2025

Memorization in Language Models through the Lens of Intrinsic Dimension

Stefan Arnold

Language Models (LMs) are prone to memorizing parts of their data during training and unintentionally emitting them at generation time, raising concerns about privacy leakage and d…

cs.CL2024

Characterizing Stereotypical Bias from Privacy-preserving Pre-Training

Stefan Arnold, Rene Gröbner, Annika Schreiner

Differential Privacy (DP) can be applied to raw text by exploiting the spatial arrangement of words in an embedding space. We investigate the implications of such text privatizatio…

cs.CL2023

Disentangling the Linguistic Competence of Privacy-Preserving BERT

Stefan Arnold, Nils Kemmerzell, Annika Schreiner

Differential Privacy (DP) has been tailored to address the unique challenges of text-to-text privatization. However, text-to-text privatization is known for degrading the performan…

cs.CL2023

Guiding Text-to-Text Privatization by Syntax

Stefan Arnold, Dilara Yesilbas, Sven Weinzierl

Metric Differential Privacy is a generalization of differential privacy tailored to address the unique challenges of text-to-text privatization. By adding noise to the representati…

cs.CL2023

Driving Context into Text-to-Text Privatization

Stefan Arnold, Dilara Yesilbas, Sven Weinzierl

\textit{Metric Differential Privacy} enables text-to-text privatization by adding calibrated noise to the vector of a word derived from an embedding space and projecting this noisy…