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Ape210K: A Large-Scale and Template-Rich Dataset of Math Word Problems

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arxiv 2009.11506 v2 pith:36YU46M2 submitted 2020-09-24 cs.CL

Ape210K: A Large-Scale and Template-Rich Dataset of Math Word Problems

classification cs.CL
keywords ape210kdatasetmathmath23kproblemwordsolvinganswer
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Automatic math word problem solving has attracted growing attention in recent years. The evaluation datasets used by previous works have serious limitations in terms of scale and diversity. In this paper, we release a new large-scale and template-rich math word problem dataset named Ape210K. It consists of 210K Chinese elementary school-level math problems, which is 9 times the size of the largest public dataset Math23K. Each problem contains both the gold answer and the equations needed to derive the answer. Ape210K is also of greater diversity with 56K templates, which is 25 times more than Math23K. Our analysis shows that solving Ape210K requires not only natural language understanding but also commonsense knowledge. We expect Ape210K to be a benchmark for math word problem solving systems. Experiments indicate that state-of-the-art models on the Math23K dataset perform poorly on Ape210K. We propose a copy-augmented and feature-enriched sequence to sequence (seq2seq) model, which outperforms existing models by 3.2% on the Math23K dataset and serves as a strong baseline of the Ape210K dataset. The gap is still significant between human and our baseline model, calling for further research efforts. We make Ape210K dataset publicly available at https://github.com/yuantiku/ape210k

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Cited by 6 Pith papers

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