activity
20212026
most citedNeural basis expansion analysis with exogenous variables: Forecasting electricity prices with NBEATSx

259 citations · 312 across the 13 of their papers we have counts for

collaborators

15 papers

cs.LG2026

Scale-Invariant Training for Time Series Foundation Models

Ignacy Stepka, Willa Potosnak, Kin G. Olivares +1

Time series foundation models (TSFMs) are trained on large collections of time series datasets that span various morphologies and domains. This setting exposes models to series who…

cs.LG2026

Time-Aware Prior Fitted Networks for Zero-Shot Forecasting with Exogenous Variables

Andres Potapczynski, Ravi Kiran Selvam, Tatiana Konstantinova +7

In many time series forecasting settings, the target time series is accompanied by exogenous covariates, such as promotions and prices in retail demand; temperature in energy load;…

cs.LG2026★ 1 cited

Zero-shot Forecasting by Simulation Alone

Boris N. Oreshkin, Mayank Jauhari, Ravi Kiran Selvam +10

Zero-shot time-series forecasting holds great promise, but is still in its infancy, hindered by limited and biased data corpora, leakage-prone evaluation, and privacy and licensing…

cs.LG2025★ 1 cited

A More Realistic Evaluation of Cross-Frequency Transfer Learning and Foundation Forecasting Models

Kin G. Olivares, Malcolm Wolff, Tatiana Konstantinova +8

Cross-frequency transfer learning (CFTL) has emerged as a popular framework for curating large-scale time series datasets to pre-train foundation forecasting models (FFMs). Althoug…

cs.LG2025

SPADE-S: A Sparsity-Robust Foundational Forecaster

Malcolm Wolff, Matthew Li, Ravi Kiran Selvam +11

Despite significant advancements in time series forecasting, accurate modeling of time series with strong heterogeneity in magnitude and/or sparsity patterns remains challenging fo…

cs.LG2025

TAT: Temporal-Aligned Transformer for Multi-Horizon Peak Demand Forecasting

Zhiyuan Zhao, Sitan Yang, Kin G. Olivares +5

Multi-horizon time series forecasting has many practical applications such as demand forecasting. Accurate demand prediction is critical to help make buying and inventory decisions…

cs.LG2025

Investigating Compositional Reasoning in Time Series Foundation Models

Willa Potosnak, Cristian Challu, Mononito Goswami +4

Large pre-trained time series foundation models (TSFMs) have demonstrated promising zero-shot performance across a wide range of domains. However, a question remains: Do TSFMs succ…

cs.LG2024

SPADE Split Peak Attention DEcomposition

Malcolm Wolff, Kin G. Olivares, Boris Oreshkin +8

Demand forecasting faces challenges induced by Peak Events (PEs) corresponding to special periods such as promotions and holidays. Peak events create significant spikes in demand f…

cs.LG2023

Global Deep Forecasting with Patient-Specific Pharmacokinetics

Willa Potosnak, Cristian Challu, Kin G. Olivares +2

Forecasting healthcare time series data is vital for early detection of adverse outcomes and patient monitoring. However, it can be challenging in practice due to variable medicati…

stat.ML2023

Hierarchically Coherent Multivariate Mixture Networks

Kin G. Olivares, David Luo, Cristian Challu +3

Large collections of time series data are often organized into hierarchies with different levels of aggregation; examples include product and geographical groupings. Probabilistic…

stat.ML2022★ 3 cited

HierarchicalForecast: A Reference Framework for Hierarchical Forecasting in Python

Kin G. Olivares, Azul Garza, David Luo +5

Large collections of time series data are commonly organized into structures with different levels of aggregation; examples include product and geographical groupings. It is often…

cs.LG2022★ 44 cited

N-HiTS: Neural Hierarchical Interpolation for Time Series Forecasting

Cristian Challu, Kin G. Olivares, Boris N. Oreshkin +3

Recent progress in neural forecasting accelerated improvements in the performance of large-scale forecasting systems. Yet, long-horizon forecasting remains a very difficult task. T…

cs.LG2021★ 3 cited

Probabilistic Hierarchical Forecasting with Deep Poisson Mixtures

Kin G. Olivares, O. Nganba Meetei, Ruijun Ma +3

Hierarchical forecasting problems arise when time series have a natural group structure, and predictions at multiple levels of aggregation and disaggregation across the groups are…

cs.LG2021★ 1 cited

DMIDAS: Deep Mixed Data Sampling Regression for Long Multi-Horizon Time Series Forecasting

Cristian Challu, Kin G. Olivares, Gus Welter +1

Neural forecasting has shown significant improvements in the accuracy of large-scale systems, yet predicting extremely long horizons remains a challenging task. Two common problems…

cs.LG2021★ 259 cited

Neural basis expansion analysis with exogenous variables: Forecasting electricity prices with NBEATSx

Kin G. Olivares, Cristian Challu, Grzegorz Marcjasz +2

We extend the neural basis expansion analysis (NBEATS) to incorporate exogenous factors. The resulting method, called NBEATSx, improves on a well performing deep learning model, ex…