HN xoptions 3/23/2026

Token Optimisation with LLMs

Discussion of token optimization strategies for LLMs beyond prompt caching, including handling XML inputs.

Ax Bryan Shan, Alysa Ziying Tan, Han Yu 3/23/2026

Federated Learning Playground

Interactive browser-based platform teaching federated learning concepts with real-time visualization of heterogeneous data and aggregation algorithms.

Ax David Restrepo, Miguel L Martins, Chenwei Wu, Luis Filipe Nakayama, Diego M Lopez, Stergios Christodoulidis, Maria Vakalopoulou, Enzo Ferrante 3/23/2026

On the Cone Effect and Modality Gap in Medical Vision-Language Embeddings

Study of cone effect and modality gap in medical vision-language models, analyzing embedding concentration and cross-modal separation in supervised learning.