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Gradient inversion attacks reveal that private training text can be reconstructed from shared gradients, posing a privacy risk to large language models (LLMs). While prior methods perform well in small-batch settings, scaling to larger…

Machine Learning · Computer Science 2026-03-18 Yibo Li , Qiongxiu Li

We explore a new language model inversion problem under strict black-box, zero-shot, and limited data conditions. We propose a novel training-free framework that reconstructs prompts using only a limited number of text outputs from a…

Computation and Language · Computer Science 2025-02-18 Hanqing Li , Diego Klabjan

High-quality paraphrases are easy to produce using instruction-tuned language models or specialized paraphrasing models. Although this capability has a variety of benign applications, paraphrasing attacks$\unicode{x2013}$paraphrases applied…

Computation and Language · Computer Science 2025-03-21 Rafael Rivera Soto , Barry Chen , Nicholas Andrews

The capabilities of large language models (LLMs) are widely regarded as relying on autoregressive models (ARMs). We challenge this notion by introducing LLaDA, a diffusion model trained from scratch under the pre-training and supervised…

Computation and Language · Computer Science 2025-10-21 Shen Nie , Fengqi Zhu , Zebin You , Xiaolu Zhang , Jingyang Ou , Jun Hu , Jun Zhou , Yankai Lin , Ji-Rong Wen , Chongxuan Li

The previous state-of-the-art (SOTA) method achieved a remarkable execution accuracy on the Spider dataset, which is one of the largest and most diverse datasets in the Text-to-SQL domain. However, during our reproduction of the business…

Artificial Intelligence · Computer Science 2023-11-01 Guanghu Sui , Zhishuai Li , Ziyue Li , Sun Yang , Jingqing Ruan , Hangyu Mao , Rui Zhao

Large language models achieve strong machine translation quality but incur high inference cost and latency, posing challenges for simultaneous translation. Re-translation provides a practical solution for off-the-shelf LLMs by repeatedly…

Computation and Language · Computer Science 2026-01-06 Linxiao Zeng , Haoyun Deng , Kangyuan Shu , Shizhen Wang

Language models produce a distribution over the next token; can we use this information to recover the prompt tokens? We consider the problem of language model inversion and show that next-token probabilities contain a surprising amount of…

Computation and Language · Computer Science 2023-11-27 John X. Morris , Wenting Zhao , Justin T. Chiu , Vitaly Shmatikov , Alexander M. Rush

The widespread adoption of large language models (LLMs) has raised concerns regarding data privacy. This study aims to investigate the potential for privacy invasion through input reconstruction attacks, in which a malicious model provider…

Machine Learning · Computer Science 2024-05-24 Zhipeng Wan , Anda Cheng , Yinggui Wang , Lei Wang

Black-box knowledge distillation for large language models presents a strict trade-off. Simple off-policy methods (e.g., sequence-level knowledge distillation) struggle to correct the student's inherent errors. Fully on-policy methods…

Machine Learning · Computer Science 2026-04-24 Xiwen Chen , Jingjing Wang , Wenhui Zhu , Peijie Qiu , Xuanzhao Dong , Hejian Sang , Zhipeng Wang , Alborz Geramifard , Feng Luo

Large Language Models (LLMs) are increasingly integrated into daily routines, yet they raise significant privacy and safety concerns. Recent research proposes collaborative inference, which outsources the early-layer inference to ensure…

Cryptography and Security · Computer Science 2025-07-23 Tian Dong , Yan Meng , Shaofeng Li , Guoxing Chen , Zhen Liu , Haojin Zhu

Language model inversion seeks to recover hidden prompts using only language model outputs. This capability has implications for security and accountability in language model deployments, such as leaking private information from an…

Computation and Language · Computer Science 2025-12-12 Murtaza Nazir , Matthew Finlayson , John X. Morris , Xiang Ren , Swabha Swayamdipta

Language models are rarely shown fruitful mistakes while training. They then struggle to look beyond the next token, suffering from a snowballing of errors and struggling to predict the consequence of their actions several steps ahead. In…

Machine Learning · Computer Science 2024-04-08 Kanishk Gandhi , Denise Lee , Gabriel Grand , Muxin Liu , Winson Cheng , Archit Sharma , Noah D. Goodman

Acoustic articulatory inversion is a major processing challenge, with a wide range of applications from speech synthesis to feedback systems for language learning and rehabilitation. In recent years, deep learning methods have been applied…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-13 Sofiane Azzouz , Pierre-André Vuissoz , Yves Laprie

Automatically solving math word problems is a critical task in the field of natural language processing. Recent models have reached their performance bottleneck and require more high-quality data for training. We propose a novel data…

Computation and Language · Computer Science 2021-11-11 Qianying Liu , Wenyu Guan , Sujian Li , Fei Cheng , Daisuke Kawahara , Sadao Kurohashi

We derive an online learning algorithm with improved regret guarantees for `easy' loss sequences. We consider two types of `easiness': (a) stochastic loss sequences and (b) adversarial loss sequences with small effective range of the…

Machine Learning · Computer Science 2019-08-28 Tobias Sommer Thune , Yevgeny Seldin

The auto-regressive architecture, like GPTs, is widely used in modern Text-to-Speech (TTS) systems. However, it incurs substantial inference time, particularly due to the challenges in the next-token prediction posed by lengthy sequences of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-11 Bohan Li , Hankun Wang , Situo Zhang , Yiwei Guo , Kai Yu

We introduce RE-Adapt, an approach to fine-tuning large language models on new domains without degrading any pre-existing instruction-tuning. We reverse engineer an adapter which isolates what an instruction-tuned model has learned beyond…

Computation and Language · Computer Science 2024-05-27 William Fleshman , Benjamin Van Durme

Topological data analysis (TDA) has emerged as one of the most promising techniques to reconstruct the unknown shapes of high-dimensional spaces from observed data samples. TDA, thus, yields key shape descriptors in the form of persistent…

Machine Learning · Statistics 2017-11-15 Wei Guo , Krithika Manohar , Steven L. Brunton , Ashis G. Banerjee

Inference optimizations such as quantization, pruning, format and datatype conversion, model export, and serialization can lead to functional degradations in language model task performance. While most efforts on performance recovery for…

Computation and Language · Computer Science 2025-10-13 Devleena Das , Rajeev Patwari , Ashish Sirasao

In this paper, we present algorithms for reconstructing an unknown compact scatterer embedded in a random noisy background medium, given measurements of the scattered field and information about the background medium and the sound profile.…

Numerical Analysis · Mathematics 2019-01-29 Carlos Borges , George Biros
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