Supervised Deep Learning for MIMO Precoding. - Aravind Ganesh Pathapati; Nakka Chakradhar; PNVSSK Havish; Sai Ashish Somayajula; Saidhiraj Amuru (5G World Forum, 2020)

Improving Differentiable Architecture Search with a Generative Model. - Ruisi Zhang; Youwei Liang; Sai Ashish Somayajula; Pengtao Xie (CoRR, 2021)

A Multi-Level Optimization Framework for End-to-End Text Augmentation. - Sai Ashish Somayajula; Linfeng Song; Pengtao Xie (Trans. Assoc. Comput. Linguistics, 2022)

Bi-level Finetuning with Task-dependent Similarity Structure for Low-resource Training. - Sai Ashish Somayajula; Lifeng Jin; Linfeng Song; Haitao Mi; Dong Yu 001 (ACL (Findings), 2023)

Token-Specific Watermarking with Enhanced Detectability and Semantic Coherence for Large Language Models. - Mingjia Huo; Sai Ashish Somayajula; Youwei Liang; Ruisi Zhang; Farinaz Koushanfar; Pengtao Xie (ICML, 2024)

Generalizable and Stable Finetuning of Pretrained Language Models on Low-Resource Texts. - Sai Ashish Somayajula; Youwei Liang; Li Zhang; Abhishek Singh; Pengtao Xie (NAACL-HLT, 2024)

AutoLoRA: Automatically Tuning Matrix Ranks in Low-Rank Adaptation Based on Meta Learning. - Ruiyi Zhang; Rushi Qiang; Sai Ashish Somayajula; Pengtao Xie (NAACL-HLT, 2024)

Improving the Language Understanding Capabilities of Large Language Models Using Reinforcement Learning. - Bokai Hu; Sai Ashish Somayajula; Xin Pan; Zihan Huang; Pengtao Xie (CoRR, 2024)

Transformer Architecture Search for Improving Out-of-Domain Generalization in Machine Translation. - Yiheng He; Ruiyi Zhang; Sai Ashish Somayajula; Pengtao Xie (Trans. Mach. Learn. Res., 2024)

Downstream Task Guided Masking Learning in Masked Autoencoders Using Multi-Level Optimization. - Han Guo; Ramtin Hosseini; Ruiyi Zhang; Sai Ashish Somayajula; Ranak Roy Chowdhury; Rajesh K. Gupta 001; Pengtao Xie (Trans. Mach. Learn. Res., 2025)

TapWeight: Reweighting Pretraining Objectives for Task-Adaptive Pretraining. - Ruiyi Zhang; Sai Ashish Somayajula; Pengtao Xie (Trans. Mach. Learn. Res., 2025)

DreamPRM: Domain-Reweighted Process Reward Model for Multimodal Reasoning. - Qi Cao; Ruiyi Wang; Ruiyi Zhang; Sai Ashish Somayajula; Pengtao Xie (CoRR, 2025)