collaborators

19 papers

cs.CL2026

DataRx: Missingness-Aware Sampling for Safer Large Language Model Task-Specific Fine-Tuning

Junbo Zhang, Qianli Zhou, Xinyang Deng +1

Task-specific fine-tuning can improve the performance of large language models (LLMs) on downstream tasks. However, our study reveals that task-specific fine-tuning can also weaken…

cs.CR2026

DataShield: Safety-degrading Data Filtering for LLM Benign Instruction Fine-Tuning

Junbo Zhang, Qianli Zhou, Xinyang Deng +3

Large language models (LLMs) suffer from degraded safety capabilities even when fine-tuned with benign datasets. However, existing methods for identifying safety-degrading samples…

cs.SD2026

Dasheng AudioGen: A Unified Model for Generating Coherent Audio Scenes from Text

Jiahao Mei, Heinrich Dinkel, Yadong Niu +7

Audio generation has long been fragmented, with speech, music, and sound effects produced by domain-specific models that fail to jointly generate coherent audio scenes from a singl…

eess.AS2026

MECAT: A Multi-Experts Constructed Benchmark for Fine-Grained Audio Understanding Tasks

Yadong Niu, Tianzi Wang, Heinrich Dinkel +7

While large audio-language models have advanced open-ended audio understanding, they still fall short of nuanced human-level comprehension. This gap persists largely because curren…

cs.AI2026

ActivityEditor: Learning to Synthesize Physically Valid Human Mobility

Chenjie Yang, Yutian Jiang, Anqi Liang +3

Human mobility modeling is indispensable for diverse urban applications. However, existing data-driven methods often suffer from data scarcity, limiting their applicability in regi…

cs.SD2026

DashengTokenizer: One layer is enough for unified audio understanding and generation

Heinrich Dinkel, Xingwei Sun, Gang Li +8

This paper introduces DashengTokenizer, a continuous audio tokenizer engineered for joint use in both understanding and generation tasks. Unlike conventional approaches, which trai…