Papers by Jeff Bilmes
An End-to-End Submodular Framework for Data-Efficient In-Context Learning (2024.findings-naacl)
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| Challenge: | Recent advances in natural language tasks leverage the emergent In-Context Learning ability of pretrained Large Language Models (LLMs). |
| Approach: | They propose a framework for exemplar selection for in-context learning that uses a pool-based active learning approach to select Diverse and informative exemplars from the target tasks’ unlabeled pool. |
| Outcome: | The proposed framework outperforms existing methods for data annotation and similarity-based methods for test query-specific exemplar retrieval on 7 different NLP datasets and 5 LLMs of varying complexities. |
MULTIGUARD: An Efficient Approach for AI Safety Moderation Across Languages and Modalities (2025.emnlp-main)
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Sahil Verma, Keegan Hines, Jeff Bilmes, Charlotte Siska, Luke Zettlemoyer, Hila Gonen, Chandan Singh
| Challenge: | Existing approaches to detect harmful queries to large language models are fallible and vulnerable to attacks that exploit mismatched generalization of model capabilities. |
| Approach: | They propose an approach to detect harmful queries to large language models (LLMs) OMNIGUARD identifies internal representations of an LLM/MLLM that are aligned across languages or modalities and builds a language-agnostic or modality-adic classifier for detecting harmful prompts. |
| Outcome: | OMNIGUARD improves harmful prompt classification accuracy by 11.57% over the strongest baseline in a multilingual setting, by 20.44% for image-based prompts, and sets a new SOTA for audio-based ones. |
An Experimental Design Framework for Label-Efficient Supervised Finetuning of Large Language Models (2024.findings-acl)
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Gantavya Bhatt, Yifang Chen, Arnav Das, Jifan Zhang, Sang Truong, Stephen Mussmann, Yinglun Zhu, Jeff Bilmes, Simon Du, Kevin Jamieson, Jordan Ash, Robert Nowak
| Challenge: | Supervised finetuning (SFT) on instruction datasets has shown immense potential in improving the zero-shot generalization capabilities observed in large language models (LLMs). |
| Approach: | They propose to use experimental design to minimize the computational cost of active learning by identifying useful subsets of samples to annotate from an unlabeled pool. |
| Outcome: | The proposed methods save 50% of the annotation cost compared to random sampling on generative tasks. |