Grid search process.

<div><p>E-commerce faces challenges such as content homogenization and high perceived risk among users. This paper aims to predict perceived risk in different contexts by analyzing review content and website information. Based on a dataset containing 262,752 online reviews, we employ the...

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Bibliographic Details
Main Author:	Lin Qi (128224) (author)
Other Authors:	Yunjie Xie (5126780) (author), Qianqian Zhang (587342) (author), Jian Zhang (1682) (author), Yanhong Ma (163685) (author)
Published:	2025
Subjects:	Biotechnology Cancer Biological Sciences not elsewhere classified Information Systems not elsewhere classified xlink "> e dataset containing 262 commerce faces challenges 752 online reviews model &# 8217 predict perceived risk influence perceived risk extract thematic features analyzing review content feature extraction phase perceived risk thematic features review content risk samples prediction phase online shopping textcnn model predictive model content homogenization feature fusion feature characteristics critical feature xgboost algorithm website information test set skincare products skin safety significant differences paper aims merchant characteristics interpretability analysis f1 score electronic products different contexts 86 %, 85 %. 84 %,
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Grid search process.

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