Zhanpeng Guan

Should We Use a Fixed Embedding Size? Customized Dimension Sizes for Knowledge Graph Embedding

Knowledge Graph Embedding (KGE) aims to project entities and relations into a low-dimensional space, so as to enable Knowledge Graphs (KGs) to be effectively used by downstream AI tasks. Most existing KGs (e.g. Wikidata) suffer from the data imbalance issue, i.e., the occurrence frequencies vary sig…