Zhichao Duan

Not Just Plain Text! Fuel Document-Level Relation Extraction with Explicit Syntax Refinement and Subsentence Modeling

2022

Document-level relation extraction (DocRE) aims to identify semantic labels among entities within a single document. One major challenge of DocRE is to dig decisive details regarding a specific entity pair from long text. However, in …

FlexKBQA: A Flexible LLM-Powered Framework for Few-Shot Knowledge Base Question Answering

2024 · Proceedings of the AAAI Conference on Artificial Intelligence

Knowledge base question answering (KBQA) is a critical yet challenging task due to the vast number of entities within knowledge bases and the diversity of natural language questions posed by users. Unfortunately, the performance of …