collaborators
Showing cs.CLShow all

6 papers · 1 filter

cs.CL2024

Evidence-Enhanced Triplet Generation Framework for Hallucination Alleviation in Generative Question Answering

Haowei Du, Huishuai Zhang, Dongyan Zhao

To address the hallucination in generative question answering (GQA) where the answer can not be derived from the document, we propose a novel evidence-enhanced triplet generation f…

cs.CL2024

In-Context Learning with Reinforcement Learning for Incomplete Utterance Rewriting

Haowei Du, Dongyan Zhao

In-context learning (ICL) of large language models (LLMs) has attracted increasing attention in the community where LLMs make predictions only based on instructions augmented with…

cs.CL2024

Internal and External Knowledge Interactive Refinement Framework for Knowledge-Intensive Question Answering

Haowei Du, Dongyan Zhao

Recent works have attempted to integrate external knowledge into LLMs to address the limitations and potential factual errors in LLM-generated content. However, how to retrieve the…

cs.CL2024

Multi-Granularity Information Interaction Framework for Incomplete Utterance Rewriting

Haowei Du, Dinghao Zhang, Chen Li +2

Recent approaches in Incomplete Utterance Rewriting (IUR) fail to capture the source of important words, which is crucial to edit the incomplete utterance, and introduce words from…

cs.CL2023

Relation-Aware Question Answering for Heterogeneous Knowledge Graphs

Haowei Du, Quzhe Huang, Chen Li +3

Multi-hop Knowledge Base Question Answering(KBQA) aims to find the answer entity in a knowledge graph (KG), which requires multiple steps of reasoning. Existing retrieval-based app…

cs.CL2023

From Simple to Complex: A Progressive Framework for Document-level Informative Argument Extraction

Quzhe Huang, Yanxi Zhang, Dongyan Zhao

Document-level Event Argument Extraction (EAE) requires the model to extract arguments of multiple events from a single document. Considering the underlying dependencies between th…