Search Results for author: Yonghua Zhu

Found 4 papers, 2 papers with code

Explicit Graph Reasoning Fusing Knowledge and Contextual Information for Multi-hop Question Answering

1 code implementation NAACL (DLG4NLP) 2022 Zhenyun Deng, Yonghua Zhu, Qianqian Qi, Michael Witbrock, Patricia Riddle

Current graph-neural-network-based (GNN-based) approaches to multi-hop questions integrate clues from scattered paragraphs in an entity graph, achieving implicit reasoning by synchronous update of graph node representations using information from neighbours; this is poorly suited for explaining how clues are passed through the graph in hops.

Multi-hop Question Answering Question Answering +1

Prompt-based Conservation Learning for Multi-hop Question Answering

no code implementations COLING 2022 Zhenyun Deng, Yonghua Zhu, Yang Chen, Qianqian Qi, Michael Witbrock, Patricia Riddle

In this paper, we propose the Prompt-based Conservation Learning (PCL) framework for multi-hop QA, which acquires new knowledge from multi-hop QA tasks while conserving old knowledge learned on single-hop QA tasks, mitigating forgetting.

Multi-hop Question Answering Question Answering

Interpretable AMR-Based Question Decomposition for Multi-hop Question Answering

no code implementations16 Jun 2022 Zhenyun Deng, Yonghua Zhu, Yang Chen, Michael Witbrock, Patricia Riddle

We then achieve the decomposition of a multi-hop question via segmentation of the corresponding AMR graph based on the required reasoning type.

AMR-to-Text Generation Multi-hop Question Answering +2

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