数学院综合集成与知识科学研究组 Home    |    Contact   |    中文   |   ISS   |    CAS
Multi-semantic Learning and Sentiment-awa...
作者:闫志华(山西财经大学管理科学与工程学院) 来源 : 中科院数学院南楼N218 时间:2025-07-15 字体<    >
     
题目:Multi-semantic Learning and Sentiment-aware Model for Deceptive Review Detection
时间:2025年7月15日(周二)15:30-17:00
地点:中科院数学院南楼N218
报告人:闫志华(山西财经大学管理科学与工程学院)

报告摘要:
Lacking of full exploitation of the semantic and sentiment feature of review, which is crucial for revealing the real attention of reviewer, hence we propose a Multi-Semantic Learning and Sentiment-aware (MSLS) model for deceptive review detection. A multi-semantic learning model based on a shared RoBERTa is proposed, which achieves a comprehensive capture of multi-level semantic information of review by extracting the left local semantic features, the right local semantic features, and the global semantic features of reviews parallelly. Furthermore, to obtain the sentiment awareness ability and mitigate of feature conflicts, a two-stage feature fusion structure is designed. In the first fusion stage, the unified sentiment representation generated by pre-training model SKEP is deeply fused with the global semantic feature through BiLSTM with the attention mechanism; in the second stage, the deeply fused feature is concatenated with the left and right local semantic feature. Based on the YelpZip and YelpChi dataset, the comparative experiments with other baseline methods of deceptive review detection are conducted. The experimental results show that MSLS outperforms
other deceptive review detection methods in different scenarios, the recall on YelpZip and YelpChi dataset improved by 4.61% and 4.40%, which demonstrates that multisemantic and sentiment enhancement are helpful for deceptive review detection.
 
报告人简介: 
闫志华,山西财经大学管理科学与工程学院讲师,于2020年在中国科学院大学获得管理科学与工程博士学位。主要研究方向为社交媒体分析、大数据预测与决策,在《系统工程理论与实践》、《管理评论》等期刊发表论文多篇。
相关附件
相关文档
AttResRec: Learning User Credibility for Attack Resistant Matrix Factorization Recommendation

CAS,Research Group of Meta-Synthesis and Knowledge Science
京ICP备05002806号-6  文保网安备案号 1101080081 邮箱: mcs@iss.ac.cn
电话:+86 10 82541801