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Review summarization is a non-trivial task that aims to summarize the mainidea of the product review in the E-commerce website. Different from thedocument summary which only needs to focus on the main facts described in thedocument, review summarization should not only summarize the main aspectsmentioned in the review but also reflect the personal style of the reviewauthor. Although existing review summarization methods have incorporated thehistorical reviews of both customer and product, they usually simplyconcatenate and indiscriminately model this two heterogeneous information intoa long sequence. Moreover, the rating information can also provide a high-levelabstraction of customer preference, it has not been used by the majority ofmethods. In this paper, we propose the Heterogeneous Historical Review awareReview Summarization Model (HHRRS) which separately models the two types ofhistorical reviews with the rating information by a graph reasoning module witha contrastive loss. We employ a multi-task framework that conducts the reviewsentiment classification and summarization jointly. Extensive experiments onfour benchmark datasets demonstrate the superiority of HHRRS on both tasks.
AkihikoWatanabe
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Towards Personalized Review Summarization by Modeling Historical Reviews
from Customer and Product Separately, Xin Cheng+, N/A, arXiv'23
May 5, 2023
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