Knowledge Commons of Institute of Automation,CAS
Modeling Inter-Claim Interactions for Verifying Multiple Claims | |
Wang S(王帅)1,2; Mao WJ(毛文吉)1,2 | |
2021-11 | |
会议名称 | Proceedings of the 30th ACM International Conference on Information & Knowledge Management |
会议日期 | 2021年11月 |
会议地点 | 线上 |
摘要 | To inhibit the spread of rumorous information, fact checking aims to retrieve evidence to verify the truthfulness of a given statement. Fact checking methods typically use knowledge graphs (KGs) as external repositories and develop reasoning methods to retrieve evidence from KGs. As real-world statement is often complex and contains multiple claims, multi-claim fact verification is not only necessary but more important for practical applications. However, existing methods only focus on verifying a single claim (i.e. a single-claim statement). Multiple claims implies rich context information and modeling the interrelations between claims can facilitate better verification of a multi-claim statement as a whole. In this paper, we propose a computational method to model inter-claim interactions for multi-claim fact checking. To focus on relevant claims within a statement, our method first extracts topics from the statement and connects the triple claims in the statement to form a claim graph. It then learns a policy-based agent to sequentially select topic-related triples from the claim graph. To fully exploit information from the statement, our method further employs multiple agents develops a hierarchical attention mechanism to verify multiple claims as a whole. Experimental results on two real-world datasets show the effectiveness of our method for multi-claim fact verification. |
关键词 | fact checking knowledge graph |
学科门类 | 工学 |
URL | 查看原文 |
收录类别 | EI |
语种 | 英语 |
文献类型 | 会议论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/48950 |
专题 | 多模态人工智能系统全国重点实验室_互联网大数据与信息安全 |
通讯作者 | Mao WJ(毛文吉) |
作者单位 | 1.中国科学院大学 2.中国科学院自动化研究所 |
第一作者单位 | 中国科学院自动化研究所 |
通讯作者单位 | 中国科学院自动化研究所 |
推荐引用方式 GB/T 7714 | Wang S,Mao WJ. Modeling Inter-Claim Interactions for Verifying Multiple Claims[C],2021. |
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