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Qiankun Pi

3 accepted papers

2026

Format as a Prior: Quantifying and Analyzing Bias in LLMs for Heterogeneous Data

AAAI 2026technical

Large Language Models (LLMs) are increasingly employed in applications that require processing information from heterogeneous formats, including texts, tables, infoboxes, and knowledge graphs. However, systematic biases toward particular formats may undermine LLMs

Cited by 0SourcePDFScholar
2026

Privacy-protected Retrieval-Augmented Generation for Knowledge Graph Question Answering

AAAI 2026technical

Large Language Models (LLMs) often suffer from hallucinations and outdated or incomplete knowledge. Retrieval-Augmented Generation (RAG) is proposed to address these issues by integrating external knowledge like that in knowledge graphs (KGs) into LLMs. However, leveraging private KGs in RAG systems

Cited by 0SourcePDFScholar
2025

Stance Detection for Social Text: Inference-Enhanced Multi-Task Learning with Machine-Annotated Supervision

ICASSP 2025accepted

Stance detection, a natural language processing technique, captures user attitudes on controversial social media topics. However, the semantic ambiguity of social texts makes accurate stance determination challenging. Existing annotated data is often domain-specific, resulting in poor model generali…

Cited by 0SourceScholar