Xuejun Liu — accepted AI-conference papers

2026

WebRouter: Query-specific Router via Variational Information Bottleneck for Cost-sensitive Web Agent

Tao Li, Jinlong Hu, Yang Wang, Junfeng Liu, Xuejun Liu

ICASSP 2026poster

LLM-brained web agents offer powerful capabilities for web automation but face a critical cost-performance trade-off. The challenge is amplified by web agents' inherently complex prompts that include goals, action histories, and environmental states, leading to degraded LLM ensemble performance. To…

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2025

Phenotypic Profile-Informed Generation of Drug-Like Molecules via Dual-Channel Variational Autoencoders

Hui Liu, Shiye Tian, Xuejun Liu

IJCAI 2025

The de novo generation of drug-like molecules capable of inducing desirable phenotypic changes is receiving increasing attention. However, previous methods predominantly rely on expression profiles to guide molecule generation, but overlook the perturbative effect of the molecules on cellular contex

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