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Xiaorui Su

4 accepted papers

2026

KnowGuard: Knowledge-Driven Abstention for Multi-Round Clinical Reasoning

ICLR 2026poster

In clinical practice, physicians refrain from making decisions when patient information is insufficient. This behavior, known as abstention, is a critical safety mechanism preventing potentially harmful misdiagnoses. Recent investigations have reported the application of large language models (LLMs)…

Cited by 0SourceScholar
2025

KGARevion: An AI Agent for Knowledge-Intensive Biomedical QA

ICLR 2025poster

Biomedical reasoning integrates structured, codified knowledge with tacit, experience-driven insights. Depending on the context, quantity, and nature of available evidence, researchers and clinicians use diverse strategies, including rule-based, prototype-based, and case-based reasoning. Effective m…

Cited by 0SourcePDFScholar
2025

Multimodal Medical Code Tokenizer

ICML 2025poster

Foundation models trained on patient electronic health records (EHRs) require tokenizing medical data into sequences of discrete vocabulary items. Existing tokenizers treat medical codes from EHRs as isolated textual tokens. However, each medical code is defined by its textual description, its posit…

Cited by 4SourcePDFScholar
2024

Dual-Channel Learning Framework for Drug-Drug Interaction Prediction via Relation-Aware Heterogeneous Graph Transformer

AAAI 2024technical

Identifying novel drug-drug interactions (DDIs) is a crucial task in pharmacology, as the interference between pharmacological substances can pose serious medical risks. In recent years, several network-based techniques have emerged for predicting DDIs. However, they primarily focus on local structu…

Cited by 17SourcePDFScholar