Is Visual Context Really Helpful for Knowledge Graph? A Representation Learning Perspective

Visual modality recently has aroused extensive attention in the fields of knowledge graph and multimedia because a lot of real-world knowledge is multi-modal in nature. However, it is currently unclear to what extent the visual modality can improve the performance of knowledge graph tasks over unimodal models, and equally treating structural and visual features may encode too much irrelevant information from images. In this paper, we probe the utility of the auxiliary visual context from knowledge graph representation learning perspective by designing a Relation Sensitive Multi-modal Embedding model, RSME for short. RSME can automatically encourage or filter the influence of visual context during the representation learning. We also examine the effect of different visual feature encoders. Experimental results validate the superiority of our approach compared to the state-of-the-art methods. On the basis of in-depth analysis, we conclude that under appropriate circumstances models are capable of leveraging the visual input to generate better knowledge graph embeddings and vice versa.