DuReader_robust: A Chinese Dataset Towards Evaluating Robustness and Generalization of Machine Reading Comprehension in Real-World Applications (2004.11142v2)

Published 23 Apr 2020 in cs.CL

Abstract: Machine reading comprehension (MRC) is a crucial task in natural language processing and has achieved remarkable advancements. However, most of the neural MRC models are still far from robust and fail to generalize well in real-world applications. In order to comprehensively verify the robustness and generalization of MRC models, we introduce a real-world Chinese dataset -- DuReader_robust. It is designed to evaluate the MRC models from three aspects: over-sensitivity, over-stability and generalization. Comparing to previous work, the instances in DuReader_robust are natural texts, rather than the altered unnatural texts. It presents the challenges when applying MRC models to real-world applications. The experimental results show that MRC models do not perform well on the challenge test set. Moreover, we analyze the behavior of existing models on the challenge test set, which may provide suggestions for future model development. The dataset and codes are publicly available at https://github.com/baidu/DuReader.

Authors (6)

Hongxuan Tang (8 papers)
Hongyu Li (107 papers)
Jing Liu (526 papers)
Yu Hong (25 papers)
Hua Wu (191 papers)
Haifeng Wang (194 papers)

Citations (18)

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Summary

Evaluating Robustness and Generalization in Machine Reading Comprehension: Insights from DuReader $\rm_{robust}$

The paper "DuReader $\rm_{robust}$ : A Chinese Dataset Towards Evaluating Robustness and Generalization of Machine Reading Comprehension in Real-World Applications" introduces DuReader $\rm_{robust}$ , a dataset designed to critically evaluate Machine Reading Comprehension (MRC) systems. The focus on robustness and generalization seeks to address gaps in existing benchmarks which do not fully account for the complexities encountered in real-world applications.

Dataset Overview

DuReader $\rm_{robust}$ aims to provide a nuanced test bed for MRC systems by incorporating diverse reading contexts. The dataset is characterized by its emphasis on real-world variance, capturing noise, ambiguity, and varied language styles. This diversity is essential to gauge the true effectiveness of MRC systems beyond controlled laboratory settings. The creation of DuReader $\rm_{robust}$ was driven by the recognition that existing datasets often lack the breadth necessary to evaluate performance objectively in practical scenarios.

Experimental Analysis

Extensive experiments were conducted to evaluate the performance of state-of-the-art MRC models on the DuReader $\rm_{robust}$ dataset. The models displayed noticeable declines in performance when faced with the dataset's challenging scenarios, highlighting vulnerabilities in their robustness and generalization capabilities. The performance metrics clearly underscore that current models, while effective on standardized datasets, require enhancements to handle real-world variability better.

Implications

The implications of this research are multifaceted:

Practical Applications: With its focus on real-world application scenarios, DuReader $\rm_{robust}$ serves as a critical tool for developers seeking to enhance MRC system reliability and accuracy in diverse environments.
Benchmarking Standards: This work sets a new standard for robustness-oriented benchmarking in MRC, encouraging the development of models that are not only accurate but also resilient to diverse input conditions.
Model Advancement: By revealing specific weaknesses in current models, this dataset paves the way for innovation in algorithms that can generalize across varied contexts.

Future Directions

This research opens several avenues for future exploration in MRC:

Algorithmic Improvements: Future research can leverage insights from DuReader $\rm_{robust}$ to design algorithms with improved robustness and contextual understanding.
Multilingual Extension: Extending this robustness evaluation to other languages could enable the development of globally effective MRC systems.
Dynamic Datasets: There is scope for creating dynamic datasets that evolve with language usage trends, ensuring MRC systems remain contemporaneous.

In conclusion, DuReader $\rm_{robust}$ presents an important advancement in the field of MRC evaluation, emphasizing the critical need for robustness and generalization in AI systems intended for real-world deployment. The dataset not only identifies current system limitations but also serves as an essential resource for the continual development of more resilient reading comprehension technologies.

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GitHub - baidu/DuReader: Baseline Systems of DuReader Dataset (1,137 stars)