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Time Series
Overcoming the Modality Gap in Context-Aided Forecasting
Context-aided forecasting (CAF) holds promise for integrating domain knowledge and forward-looking information, enabling AI systems to …
Vincent Zhihao Zheng
,
Étienne Marcotte
,
Arjun Ashok
,
Andrew Williams
,
Lijun Sun
,
Alexandre Drouin
,
Valentina Zantedeschi
Workshop at the International Conference of Machine Learning (ICML), 2026.
Citation
Beyond Naïve Prompting: Strategies for Improved Zero-shot Context-aided Forecasting with LLMs
Forecasting in real-world settings requires models to integrate not only historical data but also relevant contextual information, …
Arjun Ashok
,
Andrew Williams
,
Vincent Zhihao Zheng
,
Irina Rish
,
Nicolas Chapados
,
Étienne Marcotte
,
Valentina Zantedeschi
,
Alexandre Drouin
Conference on Language Modeling Workshops, 2025.
Article
Citation
Context is Key: A Benchmark for Forecasting with Essential Textual Information
Forecasting is a critical task in decision-making across numerous domains. While historical numerical data provide a start, they fail …
Andrew Williams
,
Arjun Ashok
,
Étienne Marcotte
,
Valentina Zantedeschi
,
Jithendaraa Subramanian
,
Roland Riachi
,
James Requeima
,
Alexandre Lacoste
,
Irina Rish
,
Nicolas Chapados
,
Alexandre Drouin
International Conference on Machine Learning (ICML), 2025.
Article
Citation
Code
Vidéo
Context is Key: A Benchmark for Forecasting with Essential Textual Information
Forecasting is a critical task in decision making across various domains. While numerical data provides a foundation, it often lacks …
Andrew Williams
,
Arjun Ashok
,
Étienne Marcotte
,
Valentina Zantedeschi
,
Jithendaraa Subramanian
,
Roland Riachi
,
James Requeima
,
Alexandre Lacoste
,
Irina Rish
,
Nicolas Chapados
,
Alexandre Drouin
Workshop at the Neural Information Processing Systems (NeurIPS), 2024.
Article
Citation
Code
Vidéo
Context is Key: A Benchmark for Forecasting with Essential Textual Information
Forecasting is a critical task in decision making across various domains. While numerical data provides a foundation, it often lacks …
Andrew Williams
,
Arjun Ashok
,
Étienne Marcotte
,
Valentina Zantedeschi
,
Jithendaraa Subramanian
,
Roland Riachi
,
James Requeima
,
Alexandre Lacoste
,
Irina Rish
,
Nicolas Chapados
,
Alexandre Drouin
Foundation Models for Time Series, 2024.
Article
Citation
Code
Context is Key: A Benchmark for Forecasting with Essential Textual Information
Forecasting is a critical task in decision making across various domains. While numerical data provides a foundation, it often lacks …
Andrew Williams
,
Arjun Ashok
,
Étienne Marcotte
,
Valentina Zantedeschi
,
Jithendaraa Subramanian
,
Roland Riachi
,
James Requeima
,
Alexandre Lacoste
,
Irina Rish
,
Nicolas Chapados
,
Alexandre Drouin
Montreal AI Symposium (MAIS), 2024.
Article
Citation
Code
TACTIS-2: Better, Faster, Simpler Attentional Copulas for Multivariate Time Series
We introduce a new model for multivariate probabilistic time series prediction, designed to flexibly address a range of tasks including …
Arjun Ashok
,
Étienne Marcotte
,
Valentina Zantedeschi
,
Nicolas Chapados
,
Alexandre Drouin
Montreal AI Symposium (MAIS), 2024.
Article
Citation
Code
Vidéo
TACTIS-2: Better, Faster, Simpler Attentional Copulas for Multivariate Time Series
We introduce a new model for multivariate probabilistic time series prediction, designed to flexibly address a range of tasks including …
Arjun Ashok
,
Étienne Marcotte
,
Valentina Zantedeschi
,
Nicolas Chapados
,
Alexandre Drouin
International Conference of Learning Representations (ICLR), 2024.
Article
Citation
Code
Vidéo
Lag-Llama: A Foundation Model for Probabilistic Time Series Forecasting
In this work, we present Lag-Llama, a general-purpose probabilistic time series forecasting model trained on a large collection of time …
Kashif Rasul
,
Arjun Ashok
,
Marin Bilos
,
Andrew Williams
,
Arian Khorasani
,
George Adamopoulos
,
Rishika Bhagwatkar
,
Hena Ghonia
,
Nadhir Hassen
,
Anderson Schneider
,
Sahil Garg
,
Alexandre Drouin
,
Nicolas Chapados
,
Yuriy Nevmyvaka
,
Irina Rish
Workshop at the Neural Information Processing Systems (NeurIPS), 2023.
Article
Citation
Code
Regions of Reliability in the Evaluation of Multivariate Probabilistic Forecasts
Multivariate probabilistic time series forecasts are commonly evaluated via proper scoring rules, i.e., functions that are minimal in …
Étienne Marcotte
,
Valentina Zantedeschi
,
Alexandre Drouin
,
Nicolas Chapados
International Conference on Machine Learning (ICML), 2023.
Article
Citation
Code
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