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Changbin Li

4 accepted papers

2024

Can We Trust the Performance Evaluation of Uncertainty Estimation Methods in Text Summarization?

EMNLP 2024main

Text summarization, a key natural language generation (NLG) task, is vital in various domains. However, the high cost of inaccurate summaries in risk-critical applications, particularly those involving human-in-the-loop decision-making, raises concerns about the reliability of uncertainty estimation…

2024

Hyper Evidential Deep Learning to Quantify Composite Classification Uncertainty

ICLR 2024poster

Deep neural networks (DNNs) have been shown to perform well on exclusive, multi-class classification tasks. However, when different classes have similar visual features, it becomes challenging for human annotators to differentiate them. When an image is ambiguous, such as a blurry one where an annot…

2022

A Nested Bi-level Optimization Framework for Robust Few Shot Learning

AAAI 2022technical

Model-Agnostic Meta-Learning (MAML), a popular gradient-based meta-learning framework, assumes that the contribution of each task or instance to the meta-learner is equal.Hence, it fails to address the domain shift between base and novel classes in few-shot learning. In this work, we propose a novel…

2022

PLATINUM: Semi-Supervised Model Agnostic Meta-Learning using Submodular Mutual Information

ICML 2022spotlight

Few-shot classification (FSC) requires training models using a few (typically one to five) data points per class. Meta-learning has proven to be able to learn a parametrized model for FSC by training on various other classification tasks. In this work, we propose PLATINUM (semi-suPervised modeL Agno…