Cited by 224Topic ModelingInformation Retrieval and Search BehaviorMultimodal Machine Learning Applications

Cognitive Graph for Multi-Hop Reading Comprehension at Scale

Open access
Ding, Ming, Zhou, Chang, Chen, Qibin, Yang, Hongxia, Tang, Jie·2019·Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics

Abstract

We propose a new CogQA framework for multi-hop question answering in web-scale documents. Inspired by the dual process theory in cognitive science, the framework gradually builds a \textit{cognitive graph} in an iterative process by coordinating an implicit extraction module (System 1) and an explicit reasoning module (System 2). While giving accurate answers, our framework further provides explainable reasoning paths. Specifically, our implementation based on BERT and graph neural network efficiently handles millions of documents for multi-hop reasoning questions in the HotpotQA fullwiki dataset, achieving a winning joint $F_1$ score of 34.9 on the leaderboard, compared to 23.6 of the best competitor.

Integrity signals

Registry

Crossref · 10.18653/v1/p19-1259

Cites

33 of 33 references verified0 citation errors · 0 not checkable

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  • Prior graph-augmented retrieval work trains a re-ranking module that can traverse a graph made using Wikipedia hyperlinks.

    “In this second category, previous work trains a re-ranking module which can traverse a graph made using Wikipedia hyperlinks [16, 100, 54, 14, 4, 44].”

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Authors
Ding, M., Zhou, C., Chen, Q., Yang, H., & Tang, J.
Affiliations
Alibaba DAMO Academy (China) (CN)
Venue
Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics
Published
2019
Pages
2694-2703
ISSN
0736-587X (ISSN-L)
OpenAlex
W2962922117
Cited by
222
References
32
Citations by year
2026: 8 · 2025: 13 · 2024: 19 · 2023: 28 · 2022: 35 · 2021: 60 · 2020: 39 · 2019: 20
FWCI
14.73
Type
conference paper
Language
en
Open access
Licence
cc-by
Locations
  • Proceedings of the conference - Association for Computational Linguistics. Meeting (publishedVersion, cc-by)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Funders
National Natural Science Foundation of China (61836013, 61825602)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Topic Modeling
  • Physical Sciences › Computer Science › Information Systems › Information Retrieval and Search Behavior
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Multimodal Machine Learning Applications
Keywords
question answering, cognitive graphs, dual-process theory, System 1 and System 2, explicit reasoning, HotpotQA, graph neural networks, BERT

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