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燕山大学信息科学与工程学院, 河北秦皇岛 066004
Received:15 April 2021,
Revised:2021-11-08,
Published:25 September 2022
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梁顺攀,刘伟,郑智中等.基于方面和胶囊网络的跨域评分预测模型[J].电子学报,2022,50(09):2102-2109.
LIANG Shun-pan,LIU Wei,ZHENG Zhi-zhong,et al.Cross Domain Rating Prediction Based on Aspect and Capsule Network[J].ACTA ELECTRONICA SINICA,2022,50(09):2102-2109.
梁顺攀,刘伟,郑智中等.基于方面和胶囊网络的跨域评分预测模型[J].电子学报,2022,50(09):2102-2109. DOI: 10.12263/DZXB.20210483.
LIANG Shun-pan,LIU Wei,ZHENG Zhi-zhong,et al.Cross Domain Rating Prediction Based on Aspect and Capsule Network[J].ACTA ELECTRONICA SINICA,2022,50(09):2102-2109. DOI: 10.12263/DZXB.20210483.
用户评论可以反映用户对项目的偏好信息,将用户在其他领域的偏好迁移到目标领域进行跨域推荐,可以缓解目标域数据稀疏引起的冷启动问题.本文针对传统的跨域推荐方法无法将完整的用户偏好进行迁移以及传统的方面提取方法预测精度不高两个问题,提出基于方面和胶囊网络的跨域评分预测模型ACN(Aspect and Capsule Network).ACN模型使用胶囊网络挖掘评论文档的多个方面,然后通过注意力机制筛选出对目标域最重要的特征,迁移到目标域进行评分预测.最后,通过实验证明ACN模型分别在单一源域和多源域的情况下,较基准模型最高有2.3%和20.8%的性能提升.
Users'reviews on items can reflect users'preference information. Migrating users'preferences in other fields to the target domain for cross domain recommendation can alleviate the cold start problem caused by sparse data in the target domain. Aiming at the two problems that the traditional cross domain recommendation methods can not migrate the complete user preferences and the prediction accuracy of the traditional aspect extraction methods is incorrect
this paper proposes a cross domain score prediction model based on aspect and capsule network(ACN). ACN uses capsule network to mine multiple aspects of review documents
and then selects the most important features for the target domain through attention mechanism
and migrate to the target domain for score prediction. Compared with the benchmark model
ACN has the highest performance improvement of 2.3% and 20.8% when using single source domain and multi-source domain.
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