activity
20162024
most citedAutomatic Variational ABC

6 citations · 7 across the 9 of their papers we have counts for

collaborators

9 papers

cs.LG2024

PyPulse: A Python Library for Biosignal Imputation

Kevin Gao, Maxwell A. Xu, James M. Rehg +1

We introduce PyPulse, a Python package for imputation of biosignals in both clinical and wearable sensor settings. Missingness is commonplace in these settings and can arise from m…

cs.LG2023

REBAR: Retrieval-Based Reconstruction for Time-series Contrastive Learning

Maxwell A. Xu, Alexander Moreno, Hui Wei +2

The success of self-supervised contrastive learning hinges on identifying positive data pairs, such that when they are pushed together in embedding space, the space encodes useful…

stat.ML2023

SKI to go Faster: Accelerating Toeplitz Neural Networks via Asymmetric Kernels

Alexander Moreno, Jonathan Mei, Luke Walters

Toeplitz Neural Networks (TNNs) (Qin et. al. 2023) are a recent sequence model with impressive results. They require O(n log n) computational complexity and O(n) relative positiona…

cs.LG2022★ 1 cited

PulseImpute: A Novel Benchmark Task for Pulsative Physiological Signal Imputation

Maxwell A. Xu, Alexander Moreno, Supriya Nagesh +4

The promise of Mobile Health (mHealth) is the ability to use wearable sensors to monitor participant physiology at high frequencies during daily life to enable temporally-precise h…

cs.LG2021

Kernel Deformed Exponential Families for Sparse Continuous Attention

Alexander Moreno, Supriya Nagesh, Zhenke Wu +2

Attention mechanisms take an expectation of a data representation with respect to probability weights. This creates summary statistics that focus on important features. Recently, (…

cs.CL2021

Transformers for prompt-level EMA non-response prediction

Supriya Nagesh, Alexander Moreno, Stephanie M. Carpenter +9

Ecological Momentary Assessments (EMAs) are an important psychological data source for measuring current cognitive states, affect, behavior, and environmental factors from particip…