Search Results for author: Zhenyun Deng

Found 5 papers, 3 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

Multi-Step Deductive Reasoning Over Natural Language: An Empirical Study on Out-of-Distribution Generalisation

1 code implementation28 Jul 2022 Qiming Bao, Alex Yuxuan Peng, Tim Hartill, Neset Tan, Zhenyun Deng, Michael Witbrock, Jiamou Liu

In our model, reasoning is performed using an iterative memory neural network based on RNN with a gated attention mechanism.

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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