Representation Learning
Representation learning aims to create meaningful and efficient data representations that capture underlying structure and facilitate downstream tasks like classification, prediction, and control. Current research focuses on developing robust and generalizable representations, often employing techniques like contrastive learning, transformers, and mixture-of-experts models, addressing challenges such as disentanglement, handling noisy or sparse data, and improving efficiency in multi-task and continual learning scenarios. These advancements have significant implications for various fields, improving the performance and interpretability of machine learning models across diverse applications, from recommendation systems to medical image analysis and causal inference.
Papers
HEAL: Hierarchical Embedding Alignment Loss for Improved Retrieval and Representation Learning
Manish Bhattarai, Ryan Barron, Maksim Eren, Minh Vu, Vesselin Grantcharov, Ismael Boureima, Valentin Stanev, Cynthia Matuszek, Vladimir Valtchinov, Kim Rasmussen, Boian Alexandrov
Expressivity of Representation Learning on Continuous-Time Dynamic Graphs: An Information-Flow Centric Review
Sofiane Ennadir, Gabriela Zarzar Gandler, Filip Cornell, Lele Cao, Oleg Smirnov, Tianze Wang, Levente Zólyomi, Björn Brinne, Sahar Asadi
Arctic-Embed 2.0: Multilingual Retrieval Without Compromise
Puxuan Yu, Luke Merrick, Gaurav Nuti, Daniel Campos
Rethinking Self-Supervised Learning Within the Framework of Partial Information Decomposition
Salman Mohamadi, Gianfranco Doretto, Donald A. Adjeroh
CLERF: Contrastive LEaRning for Full Range Head Pose Estimation
Ting-Ruen Wei, Haowei Liu, Huei-Chung Hu, Xuyang Wu, Yi Fang, Hsin-Tai Wu
A Novel Generative Multi-Task Representation Learning Approach for Predicting Postoperative Complications in Cardiac Surgery Patients
Junbo Shen, Bing Xue, Thomas Kannampallil, Chenyang Lu, Joanna Abraham
Beyond Pairwise Correlations: Higher-Order Redundancies in Self-Supervised Representation Learning
David Zollikofer, Béni Egressy, Frederik Benzing, Matthias Otth, Roger Wattenhofer
Divergent Ensemble Networks: Enhancing Uncertainty Estimation with Shared Representations and Independent Branching
Arnav Kharbanda, Advait Chandorkar
Representation Learning for Time-Domain High-Energy Astrophysics: Discovery of Extragalactic Fast X-ray Transient XRT 200515
Steven Dillmann, Rafael Martínez-Galarza, Roberto Soria, Rosanne Di Stefano, Vinay L. Kashyap