Data Aggregation
Data aggregation in machine learning focuses on effectively combining information from multiple sources to improve model performance and efficiency. Current research emphasizes developing novel aggregation algorithms and architectures, such as those based on graph neural networks, diffusion models, and attention mechanisms, to handle diverse data types and structures, including multi-view data, heterogeneous models, and noisy or incomplete information. These advancements are crucial for addressing challenges in various applications, including computer vision (e.g., object detection, depth estimation, place recognition), natural language processing (e.g., answer selection, knowledge graph completion), and medical image analysis (e.g., segmentation, treatment response prediction), where efficient and robust aggregation is essential for accurate and reliable results. Furthermore, research is actively exploring methods to ensure fairness, privacy, and robustness in aggregation processes, particularly within federated learning settings.
Papers
Sharp bounds on aggregate expert error
Aryeh Kontorovich, Ariel Avital
Histopathology image embedding based on foundation models features aggregation for patient treatment response prediction
Bilel Guetarni, Feryal Windal, Halim Benhabiles, Mahfoud Chaibi, Romain Dubois, Emmanuelle Leteurtre, Dominique Collard