Resilience in Knowledge Graph Embeddings

• URL: http://arxiv.org/abs/2410.21163v1
• Date: Mon, 28 Oct 2024 16:04:22 GMT
• Title: Resilience in Knowledge Graph Embeddings
• Authors: Arnab Sharma, N'Dah Jean Kouagou, Axel-Cyrille Ngonga Ngomo,
• Abstract summary: We give a unified definition of resilience, encompassing several factors such as generalisation, performance consistency, distribution adaption, and robustness. Our survey results show that most of the existing works focus on a specific aspect of resilience, namely robustness.
• Score: 1.90894751866253
• License:
• Abstract: In recent years, knowledge graphs have gained interest and witnessed widespread applications in various domains, such as information retrieval, question-answering, recommendation systems, amongst others. Large-scale knowledge graphs to this end have demonstrated their utility in effectively representing structured knowledge. To further facilitate the application of machine learning techniques, knowledge graph embedding (KGE) models have been developed. Such models can transform entities and relationships within knowledge graphs into vectors. However, these embedding models often face challenges related to noise, missing information, distribution shift, adversarial attacks, etc. This can lead to sub-optimal embeddings and incorrect inferences, thereby negatively impacting downstream applications. While the existing literature has focused so far on adversarial attacks on KGE models, the challenges related to the other critical aspects remain unexplored. In this paper, we, first of all, give a unified definition of resilience, encompassing several factors such as generalisation, performance consistency, distribution adaption, and robustness. After formalizing these concepts for machine learning in general, we define them in the context of knowledge graphs. To find the gap in the existing works on resilience in the context of knowledge graphs, we perform a systematic survey, taking into account all these aspects mentioned previously. Our survey results show that most of the existing works focus on a specific aspect of resilience, namely robustness. After categorizing such works based on their respective aspects of resilience, we discuss the challenges and future research directions.

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