activity
20132025
most citedCan You Trust Your Model's Uncertainty? Evaluating Predictive Uncertainty Under Dataset Shift

924 citations · 5.3k across the 63 of their papers we have counts for

collaborators

64 papers

cs.CL2025

The Bias is in the Details: An Assessment of Cognitive Bias in LLMs

R. Alexander Knipper, Charles S. Knipper, Kaiqi Zhang +3

As Large Language Models (LLMs) are increasingly embedded in real-world decision-making processes, it becomes crucial to examine the extent to which they exhibit cognitive biases.…

cs.CL2024

Seed-Free Synthetic Data Generation Framework for Instruction-Tuning LLMs: A Case Study in Thai

Parinthapat Pengpun, Can Udomcharoenchaikit, Weerayut Buaphet +1

We present a synthetic data approach for instruction-tuning large language models (LLMs) for low-resource languages in a data-efficient manner, specifically focusing on Thai. We id…

cs.CV2024★ 1 cited

Ensemble everything everywhere: Multi-scale aggregation for adversarial robustness

Stanislav Fort, Balaji Lakshminarayanan

Adversarial examples pose a significant challenge to the robustness, reliability and alignment of deep neural networks. We propose a novel, easy-to-use approach to achieving high-q…

cs.CL2024★ 297 cited

Gemini 1.5: Unlocking multimodal understanding across millions of tokens of context

Gemini Team, Petko Georgiev, Ving Ian Lei +1132

In this report, we introduce the Gemini 1.5 family of models, representing the next generation of highly compute-efficient multimodal models capable of recalling and reasoning over…

cs.CL2023★ 2 cited

Self-Evaluation Improves Selective Generation in Large Language Models

Jie Ren, Yao Zhao, Tu Vu +2

Safe deployment of large language models (LLMs) may benefit from a reliable method for assessing their generated content to determine when to abstain or to selectively generate. Wh…

cs.CV2023

Informative Priors Improve the Reliability of Multimodal Clinical Data Classification

L. Julian Lechuga Lopez, Tim G. J. Rudner, Farah E. Shamout

Machine learning-aided clinical decision support has the potential to significantly improve patient care. However, existing efforts in this domain for principled quantification of…

stat.ML2023★ 3 cited

Morse Neural Networks for Uncertainty Quantification

Benoit Dherin, Huiyi Hu, Jie Ren +2

We introduce a new deep generative model useful for uncertainty quantification: the Morse neural network, which generalizes the unnormalized Gaussian densities to have modes of hig…

cs.CV2023★ 1 cited

Building One-class Detector for Anything: Open-vocabulary Zero-shot OOD Detection Using Text-image Models

Yunhao Ge, Jie Ren, Jiaping Zhao +4

We focus on the challenge of out-of-distribution (OOD) detection in deep learning models, a crucial aspect in ensuring reliability. Despite considerable effort, the problem remains…

cs.LG2023

What Are Effective Labels for Augmented Data? Improving Calibration and Robustness with AutoLabel

Yao Qin, Xuezhi Wang, Balaji Lakshminarayanan +2

A wide breadth of research has devised data augmentation approaches that can improve both accuracy and generalization performance for neural networks. However, augmented data can e…

cs.LG2023

Pushing the Accuracy-Group Robustness Frontier with Introspective Self-play

Jeremiah Zhe Liu, Krishnamurthy Dj Dvijotham, Jihyeon Lee +4

Standard empirical risk minimization (ERM) training can produce deep neural network (DNN) models that are accurate on average but under-perform in under-represented population subg…

cs.LG2023★ 9 cited

A Simple Zero-shot Prompt Weighting Technique to Improve Prompt Ensembling in Text-Image Models

James Urquhart Allingham, Jie Ren, Michael W Dusenberry +5

Contrastively trained text-image models have the remarkable ability to perform zero-shot classification, that is, classifying previously unseen images into categories that the mode…

cs.CL2022

Improving the Robustness of Summarization Models by Detecting and Removing Input Noise

Kundan Krishna, Yao Zhao, Jie Ren +4

The evaluation of abstractive summarization models typically uses test data that is identically distributed as training data. In real-world practice, documents to be summarized may…

cs.CV2022

Improving Zero-shot Generalization and Robustness of Multi-modal Models

Yunhao Ge, Jie Ren, Andrew Gallagher +6

Multi-modal image-text models such as CLIP and LiT have demonstrated impressive performance on image classification benchmarks and their zero-shot generalization ability is particu…

cs.CL2022★ 12 cited

Out-of-Distribution Detection and Selective Generation for Conditional Language Models

Jie Ren, Jiaming Luo, Yao Zhao +4

Machine learning algorithms typically assume independent and identically distributed samples in training and at test time. Much work has shown that high-performing ML classifiers c…

cs.LG2022★ 38 cited

Plex: Towards Reliability using Pretrained Large Model Extensions

Dustin Tran, Jeremiah Liu, Michael W. Dusenberry +23

A recent trend in artificial intelligence is the use of pretrained models for language and vision tasks, which have achieved extraordinary performance but also puzzling failures. P…

cs.LG2022★ 36 cited

A Simple Approach to Improve Single-Model Deep Uncertainty via Distance-Awareness

Jeremiah Zhe Liu, Shreyas Padhy, Jie Ren +7

Accurate uncertainty quantification is a major challenge in deep learning, as neural networks can make overconfident errors and assign high confidence predictions to out-of-distrib…

cs.LG2021★ 15 cited

Reliable Graph Neural Networks for Drug Discovery Under Distributional Shift

Kehang Han, Balaji Lakshminarayanan, Jeremiah Liu

The concern of overconfident mis-predictions under distributional shift demands extensive reliability research on Graph Neural Networks used in critical tasks in drug discovery. He…

cs.LG2021★ 13 cited

Understanding and Improving Robustness of Vision Transformers through Patch-based Negative Augmentation

Yao Qin, Chiyuan Zhang, Ting Chen +3

We investigate the robustness of vision transformers (ViTs) through the lens of their special patch-based architectural structure, i.e., they process an image as a sequence of imag…

cs.LG2021★ 1 cited

Sparse MoEs meet Efficient Ensembles

James Urquhart Allingham, Florian Wenzel, Zelda E Mariet +10

Machine learning models based on the aggregated outputs of submodels, either at the activation or prediction levels, often exhibit strong performance compared to individual models.…

stat.ML2021

Deep Classifiers with Label Noise Modeling and Distance Awareness

Vincent Fortuin, Mark Collier, Florian Wenzel +7

Uncertainty estimation in deep learning has recently emerged as a crucial area of interest to advance reliability and robustness in safety-critical applications. While there have b…

cs.LG2021★ 8 cited

Soft Calibration Objectives for Neural Networks

Archit Karandikar, Nicholas Cain, Dustin Tran +4

Optimal decision making requires that classifiers produce uncertainty estimates consistent with their empirical accuracy. However, deep neural networks are often under- or over-con…

cs.LG2021★ 107 cited

Exploring the Limits of Out-of-Distribution Detection

Stanislav Fort, Jie Ren, Balaji Lakshminarayanan

Near out-of-distribution detection (OOD) is a major challenge for deep neural networks. We demonstrate that large-scale pre-trained transformers can significantly improve the state…

cs.LG2021★ 2 cited

BEDS-Bench: Behavior of EHR-models under Distributional Shift--A Benchmark

Anand Avati, Martin Seneviratne, Emily Xue +3

Machine learning has recently demonstrated impressive progress in predictive accuracy across a wide array of tasks. Most ML approaches focus on generalization performance on unseen…

cs.LG2021★ 1 cited

An Instance-Dependent Simulation Framework for Learning with Label Noise

Keren Gu, Xander Masotto, Vandana Bachani +3

We propose a simulation framework for generating instance-dependent noisy labels via a pseudo-labeling paradigm. We show that the distribution of the synthetic noisy labels generat…