activity
20242026
collaborators

9 papers

cs.IR2026

Beyond Semantic Similarity: Performance and Costs of Agentic Retrieval for Complex Tasks

Reza Esfandiarpoor, Radek Osmulski, Yauhen Babakhin +8

Modern information systems, including many agentic workflows, use dense retrieval to explore large amounts of unstructured data. However, dense retrieval relies on surface-level se…

cs.CL2025

CLaRa: Bridging Retrieval and Generation with Continuous Latent Reasoning

Jie He, Richard He Bai, Sinead Williamson +3

Retrieval-augmented generation (RAG) enhances large language models (LLMs) with external knowledge but still suffers from long contexts and disjoint retrieval-generation optimizati…

cs.CL2025

From Sufficiency to Reflection: Reinforcement-Guided Thinking Quality in Retrieval-Augmented Reasoning for LLMs

Jie He, Victor Gutiérrez-Basulto, Jeff Z. Pan

Reinforcement learning-based retrieval-augmented generation (RAG) methods enhance the reasoning abilities of large language models (LLMs). However, most rely only on final-answer r…

cs.CL2025

N2C2: Nearest Neighbor Enhanced Confidence Calibration for Cross-Lingual In-Context Learning

Jie He, Simon Yu, Deyi Xiong +2

Recent advancements of in-context learning (ICL) show language models can significantly improve their performance when demonstrations are provided. However, little attention has be…

cs.CL2025

GenTool: Enhancing Tool Generalization in Language Models through Zero-to-One and Weak-to-Strong Simulation

Jie He, Jennifer Neville, Mengting Wan +6

Large Language Models (LLMs) can enhance their capabilities as AI assistants by integrating external tools, allowing them to access a wider range of information. While recent LLMs…

cs.CL2025

Evaluating and Improving Graph to Text Generation with Large Language Models

Jie He, Yijun Yang, Wanqiu Long +3

Large language models (LLMs) have demonstrated immense potential across various tasks. However, research for exploring and improving the capabilities of LLMs in interpreting graph…

cs.CL2024

MiCEval: Unveiling Multimodal Chain of Thought's Quality via Image Description and Reasoning Steps

Xiongtao Zhou, Jie He, Lanyu Chen +5

Multimodal Chain of Thought (MCoT) is a popular prompting strategy for improving the performance of multimodal large language models (MLLMs) across a range of complex reasoning tas…

cs.CL2024

An Empirical Study on Parameter-Efficient Fine-Tuning for MultiModal Large Language Models

Xiongtao Zhou, Jie He, Yuhua Ke +3

Multimodal large language models (MLLMs) fine-tuned with multimodal instruction datasets have demonstrated remarkable capabilities in multimodal tasks. However, fine-tuning all par…

cs.CL2024

UniArk: Improving Generalisation and Consistency for Factual Knowledge Extraction through Debiasing

Yijun Yang, Jie He, Pinzhen Chen +2

Several recent papers have investigated the potential of language models as knowledge bases as well as the existence of severe biases when extracting factual knowledge. In this wor…