Join Order Selection with Deep Reinforcement Learning: Fundamentals, Techniques, and Challenges

Z Yan, V Uotila, J Lu - Proceedings of the VLDB Endowment, 2023 - dl.acm.org
Join Order Selection (JOS) is a fundamental challenge in query optimization, as it
significantly affects query performance. However, finding an optimal join order is an NP-hard …

Self-adapting design and maintenance of multi-model databases

I Holubova, P Koupil, J Lu - Proceedings of the 26th International …, 2022 - dl.acm.org
Multi-model data is organised in various mutually interlinked formats and models, often with
contradictory features. In addition, its structure may change over time, and its size can grow …