Knowledge Graph Embeddings with Representing Relations as Annular Sectors

• URL: http://arxiv.org/abs/2506.11099v1
• Date: Fri, 06 Jun 2025 13:30:36 GMT
• Title: Knowledge Graph Embeddings with Representing Relations as Annular Sectors
• Authors: Huiling Zhu, Yingqi Zeng,
• Abstract summary: Region-based embedding models usually embed entities as points and relations as geometric regions to accomplish the task.<n>Despite progress, these models often overlook semantic hierarchies inherent in entities.<n>We propose SectorE, a novel embedding model in polar coordinates.
• Score: 9.010035164671459
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Knowledge graphs (KGs), structured as multi-relational data of entities and relations, are vital for tasks like data analysis and recommendation systems. Knowledge graph completion (KGC), or link prediction, addresses incompleteness of KGs by inferring missing triples (h, r, t). It is vital for downstream applications. Region-based embedding models usually embed entities as points and relations as geometric regions to accomplish the task. Despite progress, these models often overlook semantic hierarchies inherent in entities. To solve this problem, we propose SectorE, a novel embedding model in polar coordinates. Relations are modeled as annular sectors, combining modulus and phase to capture inference patterns and relation attributes. Entities are embedded as points within these sectors, intuitively encoding hierarchical structure. Evaluated on FB15k-237, WN18RR, and YAGO3-10, SectorE achieves competitive performance against various kinds of models, demonstrating strengths in semantic modeling capability.

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