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20212026
most citedUnsupervised Change Detection of Extreme Events Using ML On-Board

2 citations · 9 across the 19 of their papers we have counts for

collaborators

19 papers

cs.MA2026

PiSAs: Benchmarking Contextual Integrity in Multi-User Agentic Systems

Shubham Gupta, Nazanin Mohammadi Sepahvand, Abhinav Kumar +6

As LLM agents evolve from single-user assistants into shared organizational infrastructure, new privacy risks emerge: inappropriate information may not only be exposed through outp…

cs.AI2026

Dr-CiK: A Benchmark testing Deep Research for Context-Aided Forecasting

Yihong Tang, Andrew Robert Williams, Arjun Ashok +7

Time series forecasting in real-world settings often depends not only on historical observations, but also on external context that must be actively discovered from noisy, heteroge…

cs.LG2026

Overcoming the Modality Gap in Context-Aided Forecasting

Vincent Zhihao Zheng, Étienne Marcotte, Arjun Ashok +4

Context-aided forecasting (CAF) holds promise for integrating domain knowledge and forward-looking information, enabling AI systems to surpass traditional statistical methods. Howe…

cs.LG2026

Bound to Disagree: Generalization Bounds via Certifiable Surrogates

Mathieu Bazinet, Valentina Zantedeschi, Pascal Germain

Generalization bounds for deep learning models are typically vacuous, not computable or restricted to specific model classes. In this paper, we tackle these issues by providing new…

cs.LG2025

Beyond Naïve Prompting: Strategies for Improved Context-aided Forecasting with LLMs

Arjun Ashok, Andrew Robert Williams, Vincent Zhihao Zheng +5

Real-world forecasting requires models to integrate not only historical data but also relevant contextual information provided in textual form. While large language models (LLMs) s…

cs.LG2025

Learning to Defer for Causal Discovery with Imperfect Experts

Oscar Clivio, Divyat Mahajan, Perouz Taslakian +4

Integrating expert knowledge, e.g. from large language models, into causal discovery algorithms can be challenging when the knowledge is not guaranteed to be correct. Expert recomm…

cs.LG2025

PairBench: Are Vision-Language Models Reliable at Comparing What They See?

Aarash Feizi, Sai Rajeswar, Adriana Romero-Soriano +4

Understanding how effectively large vision language models (VLMs) compare visual inputs is crucial across numerous applications, yet this fundamental capability remains insufficien…

cs.IR2025

Hierarchical Retrieval at Scale: Bridging Transparency and Efficiency

Shubham Gupta, Zichao Li, Tianyi Chen +4

Information retrieval is a core component of many intelligent systems as it enables conditioning of outputs on new and large-scale datasets. While effective, the standard practice…

cs.LG2024

Performance Control in Early Exiting to Deploy Large Models at the Same Cost of Smaller Ones

Mehrnaz Mofakhami, Reza Bayat, Ioannis Mitliagkas +2

Early Exiting (EE) is a promising technique for speeding up inference by adaptively allocating compute resources to data points based on their difficulty. The approach enables pred…

cs.LG2024

Context is Key: A Benchmark for Forecasting with Essential Textual Information

Andrew Robert Williams, Arjun Ashok, Étienne Marcotte +8

Forecasting is a critical task in decision-making across numerous domains. While historical numerical data provide a start, they fail to convey the complete context for reliable an…

cs.LG2024★ 1 cited

Sample Compression Unleashed: New Generalization Bounds for Real Valued Losses

Mathieu Bazinet, Valentina Zantedeschi, Pascal Germain

The sample compression theory provides generalization guarantees for predictors that can be fully defined using a subset of the training dataset and a (short) message string, gener…

cs.AI2024

InsightBench: Evaluating Business Analytics Agents Through Multi-Step Insight Generation

Gaurav Sahu, Abhay Puri, Juan Rodriguez +11

Data analytics is essential for extracting valuable insights from data that can assist organizations in making effective decisions. We introduce InsightBench, a benchmark dataset w…

cs.CL2024

RepLiQA: A Question-Answering Dataset for Benchmarking LLMs on Unseen Reference Content

Joao Monteiro, Pierre-Andre Noel, Etienne Marcotte +6

Large Language Models (LLMs) are trained on vast amounts of data, most of which is automatically scraped from the internet. This data includes encyclopedic documents that harbor a…

cs.CL2024

XC-Cache: Cross-Attending to Cached Context for Efficient LLM Inference

João Monteiro, Étienne Marcotte, Pierre-André Noël +5

In-context learning (ICL) approaches typically leverage prompting to condition decoder-only language model generation on reference information. Just-in-time processing of a context…

stat.ML2024

Leveraging PAC-Bayes Theory and Gibbs Distributions for Generalization Bounds with Complexity Measures

Paul Viallard, Rémi Emonet, Amaury Habrard +2

In statistical learning theory, a generalization bound usually involves a complexity measure imposed by the considered theoretical framework. This limits the scope of such bounds,…

cs.LG2023★ 2 cited

Capture the Flag: Uncovering Data Insights with Large Language Models

Issam Laradji, Perouz Taslakian, Sai Rajeswar +6

The extraction of a small number of relevant insights from vast amounts of data is a crucial component of data-driven decision-making. However, accomplishing this task requires con…

cs.LG2023★ 2 cited

TACTiS-2: Better, Faster, Simpler Attentional Copulas for Multivariate Time Series

Arjun Ashok, Étienne Marcotte, Valentina Zantedeschi +2

We introduce a new model for multivariate probabilistic time series prediction, designed to flexibly address a range of tasks including forecasting, interpolation, and their combin…

cs.LG2021★ 2 cited

Unsupervised Change Detection of Extreme Events Using ML On-Board

Vít Růžička, Anna Vaughan, Daniele De Martini +5

In this paper, we introduce RaVAEn, a lightweight, unsupervised approach for change detection in satellite data based on Variational Auto-Encoders (VAEs) with the specific purpose…

cs.LG2021★ 2 cited

Learning Stochastic Majority Votes by Minimizing a PAC-Bayes Generalization Bound

Valentina Zantedeschi, Paul Viallard, Emilie Morvant +4

We investigate a stochastic counterpart of majority votes over finite ensembles of classifiers, and study its generalization properties. While our approach holds for arbitrary dist…