Search Results for author: Huihui Zhang

Found 6 papers, 2 papers with code

Exploiting Reasoning Chains for Multi-hop Science Question Answering

1 code implementation Findings (EMNLP) 2021 Weiwen Xu, Yang Deng, Huihui Zhang, Deng Cai, Wai Lam

We propose a novel Chain Guided Retriever-reader ({\tt CGR}) framework to model the reasoning chain for multi-hop Science Question Answering.

Science Question Answering

Dynamic Semantic Graph Construction and Reasoning for Explainable Multi-hop Science Question Answering

1 code implementation Findings (ACL) 2021 Weiwen Xu, Huihui Zhang, Deng Cai, Wai Lam

Our framework contains three new ideas: (a) {\tt AMR-SG}, an AMR-based Semantic Graph, constructed by candidate fact AMRs to uncover any hop relations among question, answer and multiple facts.

graph construction Knowledge Graphs +4

Deep Reinforcement Learning With Adaptive Combined Critics

no code implementations1 Jan 2021 Huihui Zhang, Wu Huang

Then the updated policy is involved in the update of the weight factor, in which we propose a novel method to provide theoretical and experimental guarantee for future policy improvement.

Continuous Control reinforcement-learning +1

BERTatDE at SemEval-2020 Task 6: Extracting Term-definition Pairs in Free Text Using Pre-trained Model

no code implementations SEMEVAL 2020 Huihui Zhang, Feiliang Ren

The paper describes our system BERTatDE1 in sentence classification task (subtask 1) and sequence labeling task (subtask 2) in the definition extraction (SemEval-2020 Task 6).

Definition Extraction Sentence +1

Unbiased Deep Reinforcement Learning: A General Training Framework for Existing and Future Algorithms

no code implementations12 May 2020 Huihui Zhang, Wu Huang

These algorithms prove to be far more efficient than their original versions under the framework of deep reinforcement learning, and provide examples for existing and future algorithms to generalize to our new framework.

Continuous Control reinforcement-learning +1

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