collaborators

9 papers

cs.AI2026

AREX: Towards a Recursively Self-Improving Agent for Deep Research

Shuqi Lu, Chaofan Li, Kun Luo +21

Deep research requires agents to find answers that jointly satisfy multiple constraints. Discovering such answers is costly, whereas verifying a candidate can often be decomposed i…

cs.DB2026

CoeusBI: A Comprehensive Interactive Business Intelligence System Powered by LLMs at Baidu [Extended Version]

Jinqing Lian, Chaofan Li, Yingxia Shao +7

The advent of Large Language Models has catalyzed the emergence of interactive Business Intelligence (BI) systems. Although commercial BI products increasingly adopt semantic layer…

cs.DL2026

DeepXiv-SDK: An Agentic Data Interface for Scientific Literature

Hongjin Qian, Ziyi Xia, Ze Liu +11

LLM-agents are increasingly used to accelerate the progress of scientific research. Yet a persistent bottleneck is data access: agents not only lack readily available tools for ret…

cs.CL2025

Llama2Vec: Unsupervised Adaptation of Large Language Models for Dense Retrieval

Zheng Liu, Chaofan Li, Shitao Xiao +2

Dense retrieval calls for discriminative embeddings to represent the semantic relationship between query and document. It may benefit from the using of large language models (LLMs)…

cs.IR2025

Towards A Generalist Code Embedding Model Based On Massive Data Synthesis

Chaofan Li, Jianlyu Chen, Yingxia Shao +2

Code embedding models attract increasing attention due to the widespread popularity of retrieval-augmented generation (RAG) in software development. These models are expected to ca…

cs.IR2025

FG-RAG: Enhancing Query-Focused Summarization with Context-Aware Fine-Grained Graph RAG

Yubin Hong, Chaofan Li, Jingyi Zhang +1

Retrieval-Augmented Generation (RAG) enables large language models to provide more precise and pertinent responses by incorporating external knowledge. In the Query-Focused Summari…