activity
20242026
most citedSiReRAG: Indexing Similar and Related Information for Multihop Reasoning

2 citations · 2 across the 6 of their papers we have counts for

collaborators

6 papers

cs.CL2026

TIAR: Trajectory-Informed Advantage Reweighting for LLM Abstention Learning

Muyu Pan, Shu Zhao, Nan Zhang +4

This paper investigates large language model (LLM) abstention learning, specifically using ternary reward, which incentivize truthfulness in large language models. This paper exten…

cs.LG2026

Why Do Reasoning Models Lose Coverage? The Role of Data and Forks in the Road

Ngoc-Hieu Nguyen, Parshin Shojaee, Phuc Minh Nguyen +4

Recent progress in large language models has led to the emergence of reasoning models, which have shown strong performance on complex tasks through specialized fine-tuning procedur…

cs.LG2026

QuantLRM: Quantization of Large Reasoning Models via Fine-Tuning Signals

Nan Zhang, Eugene Kwek, Yusen Zhang +4

Weight-only quantization is important for compressing Large Language Models (LLMs). Inspired by the spirit of classical magnitude pruning, we study whether the magnitude of weight…

cs.CL2025

TaxoAdapt: Aligning LLM-Based Multidimensional Taxonomy Construction to Evolving Research Corpora

Priyanka Kargupta, Nan Zhang, Yunyi Zhang +3

The rapid evolution of scientific fields introduces challenges in organizing and retrieving scientific literature. While expert-curated taxonomies have traditionally addressed this…

cs.LG2025

When Reasoning Meets Compression: Understanding the Effects of LLMs Compression on Large Reasoning Models

Nan Zhang, Eugene Kwek, Yusen Zhang +3

Compression methods, including quantization, distillation, and pruning, improve the computational efficiency of large reasoning models (LRMs). However, existing studies either fail…

cs.CL2024★ 2 cited

SiReRAG: Indexing Similar and Related Information for Multihop Reasoning

Nan Zhang, Prafulla Kumar Choubey, Alexander Fabbri +5

Indexing is an important step towards strong performance in retrieval-augmented generation (RAG) systems. However, existing methods organize data based on either semantic similarit…