CRL-MM: Context-Aware Relational Learning and Multidimensional Matching for Few-Shot Knowledge Graph Completion

Few-shot knowledge graph completion (FKGC) aims to infer missing triples for long-tail relationships using a small set of References. Existing FKGC models focus mainly on entity representation aggregation, heavily relying on interactions between central entities and their neighbors. However, real-world knowledge graphs contain relations with multiple semantics, and existing models struggle to capture the diverse semantic information of the relations in different contexts. To address this issue, we propose a novel FKGC model, context-aware relational learning and multidimensional matching (CRL-MM). First, CRL-MM enhances the representation of task relations by obtaining semantic information in different scenarios based on the semantic similarity between task relations and background relations. Second, unlike previous models, which rely mainly on neighborhood relations to capture relation information, CRL-MM considers the entity pair and its neighborhood as a unified contextual whole, aggregating neighborhood information through adaptive task relations and paired entity awareness to improve entity encoding. In addition, during the matching phase, we design a matching network from multiple dimensions, which includes not only the similarity score of the entity pairs but also the triple rationality score to further improve the generalizability of the model. Extensive experiments on public benchmark datasets show that CRL-MM outperforms state-of-the-art methods, and the ablation experiments also demonstrate the effectiveness of each module of the proposed CRL-MM.