Is Architectural Complexity Overrated? Competitive and Interpretable Knowledge Graph Completion with RelatE

• URL: http://arxiv.org/abs/2505.18971v1
• Date: Sun, 25 May 2025 04:36:52 GMT
• Title: Is Architectural Complexity Overrated? Competitive and Interpretable Knowledge Graph Completion with RelatE
• Authors: Abhijit Chakraborty, Chahana Dahal, Ashutosh Balasubramaniam, Tejas Anvekar, Vivek Gupta,
• Abstract summary: RelatE is an interpretable and modular method that efficiently integrates dual representations for entities and relations.<n>It achieves competitive or superior performance on standard benchmarks.<n>Perturbation studies demonstrate improved robustness, with MRR reduced by up to 61% relative to TransE and by up to 19% compared to RotatE.
• Score: 6.959701672059059
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We revisit the efficacy of simple, real-valued embedding models for knowledge graph completion and introduce RelatE, an interpretable and modular method that efficiently integrates dual representations for entities and relations. RelatE employs a real-valued phase-modulus decomposition, leveraging sinusoidal phase alignments to encode relational patterns such as symmetry, inversion, and composition. In contrast to recent approaches based on complex-valued embeddings or deep neural architectures, RelatE preserves architectural simplicity while achieving competitive or superior performance on standard benchmarks. Empirically, RelatE outperforms prior methods across several datasets: on YAGO3-10, it achieves an MRR of 0.521 and Hit@10 of 0.680, surpassing all baselines. Additionally, RelatE offers significant efficiency gains, reducing training time by 24%, inference latency by 31%, and peak GPU memory usage by 22% compared to RotatE. Perturbation studies demonstrate improved robustness, with MRR degradation reduced by up to 61% relative to TransE and by up to 19% compared to RotatE under structural edits such as edge removals and relation swaps. Formal analysis further establishes the model's full expressiveness and its capacity to represent essential first-order logical inference patterns. These results position RelatE as a scalable and interpretable alternative to more complex architectures for knowledge graph completion.

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