Keisuke Umezawa
2022
Textual Content Moderation in C2C Marketplace
Yusuke Shido
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Hsien-Chi Liu
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Keisuke Umezawa
Proceedings of the Fifth Workshop on e-Commerce and NLP (ECNLP 5)
Automatic monitoring systems for inappropriate user-generated messages have been found to be effective in reducing human operation costs in Consumer to Consumer (C2C) marketplace services, in which customers send messages directly to other customers.We propose a lightweight neural network that takes a conversation as input, which we deployed to a production service.Our results show that the system reduced the human operation costs to less than one-sixth compared to the conventional rule-based monitoring at Mercari.
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