Multi-energy load forecasting for small-sample integrated energy systems based on neural network Gaussian process and multi-task learning
W Zhang, Y Cai, H Zhan, M Yang - Energy Conversion and Management, 2024 - Elsevier
Multi-energy load forecasting forms the foundation of the operation and scheduling of
integrated energy systems. Nevertheless, insufficient data and underutilization of the …
integrated energy systems. Nevertheless, insufficient data and underutilization of the …
Prediction intervals for learned cardinality estimation: an experimental evaluation
Cardinality estimation is a fundamental and challenging problem in query optimization.
Recently, a number of learned models have been proposed for this task. Often, these …
Recently, a number of learned models have been proposed for this task. Often, these …
dbET: Execution Time Distribution-based Plan Selection
While selecting the execution plan for a given query based on a single estimated cost is a
generally-adopted strategy, it is usually error-prone and fails to comprehensively profile the …
generally-adopted strategy, it is usually error-prone and fails to comprehensively profile the …
ShadowAQP: Efficient Approximate Group-by and Join Query via Attribute-Oriented Sample Size Allocation and Data Generation
Approximate query processing (AQP) is one of the key techniques to cope with big data
querying problem on account that it obtains approximate answers efficiently. To address non …
querying problem on account that it obtains approximate answers efficiently. To address non …
A Cardinality Estimator in Complex Database Systems Based on TreeLSTM
K Qi, J Yu, Z He - Sensors, 2023 - mdpi.com
Cardinality estimation is critical for database management systems (DBMSs) to execute
query optimization tasks, which can guide the query optimizer in choosing the best …
query optimization tasks, which can guide the query optimizer in choosing the best …
Precision Meets Resilience: Cross-Database Generalization with Uncertainty Quantification for Robust Cost Estimation
Learning-based models have shown promise in addressing query optimization challenges
in the database field, where the learned cost model plays a central role. While these models …
in the database field, where the learned cost model plays a central role. While these models …
APRNet: Cardinality Estimation Method Based on Attention Mechanism
Z Yang, Y Han, J Zhang - … Conference on Advanced Data Mining and …, 2025 - Springer
The query optimizer relies on accurate cardinality estimation to generate efficient execution
plans. Despite decades of research, existing cardinality estimation remain inaccurate for …
plans. Despite decades of research, existing cardinality estimation remain inaccurate for …
[PDF][PDF] A Robust and Explainable Query Optimization Cost Model Based on Bidirectional Graph Neural Networks
B Chang - 2024 - ruor.uottawa.ca
Learning representations for query plans play a pivotal role in machine learning-based
query optimizers of database management systems. To this end, particular model …
query optimizers of database management systems. To this end, particular model …
[CYTOWANIE][C] Query Optimization mit Reinforcement Learning
G Spankus