大规模知识图谱预训练模型及电商应用

陈华钧, 张文, 黄志文, 叶橄强, 文博, 张伟

Large scale pre-trained knowledge graph model and e-commerce application

Huajun CHEN, Wen ZHANG, Chi-Man WONG, Ganqiang YE, Bo WEN, Wei ZHANG

表1 知识图谱静态预训练模型的预训练阶段和服务阶段的函数

模块 预训练阶段 服务阶段 三元组查询模块 $f_{\text{triple}}\left(h,r,t\right)=\left|\right|h+r-t\left|\right|\text{}$ ${\mathcal{S}}_{\text{rel}}\left(h,r\right)=h+r$ 关系查询模块 $f_{\text{rel}}\left(h,r\right)=\left|\right|M_{r}h-r\left|\right|$ ${\mathcal{S}}_{\text{rel}}\left(h,r\right)=M_{r}h-r$