"Negative sampling greatly impacts the accuracy of the learned embeddings."
"Generating high-quality negatives is a challenging yet crucial step in enhancing KG embeddings."
"The stability of negative sampling can be measured by its ability to handle diverse datasets while being less data-intensive."
Dynamic Negative Sampling based on external models and self-dynamic negative sampling differ in their approach to generating negative samples. External model-based methods utilize an external machine learning model to continuously update itself and generate high-quality negatives, while self-dynamic methods rely on changes in the target embedding space to select negatives without considering dynamic probability distributions.
Auxiliary data-based negative sampling methods can be integrated with other KGRL approaches by providing additional information such as schema, type constraints, or relevant data during the training process. By leveraging this auxiliary data, these methods enhance the quality of generated negatives and contribute to a more meaningful embedding space.
The trade-offs between static NS and dynamic NS in Knowledge Graph Representation Learning (KGRL) involve factors like efficiency, effectiveness, stability, independence, and quality. Static NS methods are efficient but may lack adaptability to dynamic changes in the embedding space. On the other hand, dynamic NS techniques address this issue but may require more computational resources due to their adaptive nature.
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知識グラフ表現学習におけるネガティブサンプリングのレビュー
Negative Sampling in Knowledge Graph Representation Learning