3 papers
astro-ph.IM2025
A Highly Efficient Cross-matching Scheme using Learned Index Structure
Phu-Minh Lam, Dongwei Fan, Hongbo Wei +6
Spatial data fusion is a bottleneck when it meets the scale of 10 billion records. Cross-matching celestial catalogs is just one example of this. To challenge this, we present a fr…
astro-ph.EP2025
ExoMiner++: Enhanced Transit Classification and a New Vetting Catalog for 2-Minute TESS Data
Hamed Valizadegan, Miguel J. S. Martinho, Jon M. Jenkins +24
We present ExoMiner++, an enhanced deep learning model that builds on the success of ExoMiner to improve transit signal classification in 2-minute TESS data. ExoMiner++ incorporate…
cs.AI2023
Estimating Uncertainty in Multimodal Foundation Models using Public Internet Data
Shiladitya Dutta, Hongbo Wei, Lars van der Laan +1
Foundation models are trained on vast amounts of data at scale using self-supervised learning, enabling adaptation to a wide range of downstream tasks. At test time, these models e…