collaborators

7 papers

stat.ML2026

TimeLAVA: Learning-Agnostic Valuation for Time Series Data

Wenqin Liu, Weizhi Quan, Aoqi Zuo +5

Data valuation quantifies the intrinsic quality of individual samples to enable principled data curation, quality control, and robust learning. For time series in critical domains…

cs.LG2026

Adaptive Hard-Soft Physics-Informed Neural Networks for Robust Boundary-Constrained PDE Solving

Duc Tien Nguyen, Trinh Minh Tuan, Nguyen Duc Manh +2

Physics-informed neural networks (PINNs) provide an effective way to solve partial differential equations (PDEs) by embedding physical principles into the learning process. However…

cs.LG2026

MUSS: Multilevel Subset Selection for Relevance and Diversity

Vu Nguyen, Andrey Kan

The problem of relevant and diverse subset selection has a wide range of applications, including recommender systems and retrieval-augmented generation (RAG). For example, in recom…

cs.LG2026

On the Mechanisms of Collaborative Learning in VAE Recommenders

Tung-Long Vuong, Julien Monteil, Hien Dang +3

Variational Autoencoders (VAEs) are a powerful alternative to matrix factorization for recommendation. A common technique in VAE-based collaborative filtering (CF) consists in appl…

stat.ML2025

Rejection via Learning Density Ratios

Alexander Soen, Hisham Husain, Philip Schulz +1

Classification with rejection emerges as a learning paradigm which allows models to abstain from making predictions. The predominant approach is to alter the supervised learning pi…

cs.LG2025

High Dimensional Bayesian Optimization using Lasso Variable Selection

Vu Viet Hoang, Hung The Tran, Sunil Gupta +1

Bayesian optimization (BO) is a leading method for optimizing expensive black-box optimization and has been successfully applied across various scenarios. However, BO suffers from…