Modular and Compositional Transfer Learning

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• Jonas Pfeiffer (Google Research)
• Friday 24 February 2023, 12:00-13:00
• Virtual (Zoom).

If you have a question about this talk, please contact Rami Aly.

Abstract:

With pre-trained transformer-based models continuously increasing in size, there is a dire need for parameter-efficient and modular transfer learning strategies. In this talk, we will touch base on adapter-based fine-tuning, where instead of fine-tuning all weights of a model, small neural network components are introduced at every layer. While the pre-trained parameters are frozen, only the newly introduced adapter weights are fine-tuned, achieving an encapsulation of the down-stream task information in designated parts of the model. We will demonstrate that adapters are modular components which can be composed for improvements on a target task and how they can be used for out of distribution generalization on the example of zero-shot cross-lingual transfer. Finally, we will discuss how adding modularity during pre-training can mitigate catastrophic interference and consequently lift the curse of multilinguality.

Bio:

Jonas Pfeiffer is a Research Scientist at Google Research. He is interested in modular representation learning in multi-task, multilingual, and multi-modal contexts, and in low-resource scenarios. He worked on his PhD at the Technical University of Darmstadt, was a visiting researcher at the New York University and a Research Scientist Intern at Meta Research. Jonas has received the IBM PhD Research Fellowship award for 2021/2022. He has given numerous invited talks at academia, industry and ML summer schools, and has co-organized multiple workshops on multilinguality and multimodality.

Topic: NLIP Seminar Time: Feb 24, 2023 12:00 PM London

Join Zoom Meeting https://cl-cam-ac-uk.zoom.us/j/94330375053?pwd=TjRtbTg5aUdzWVdLRU15RjR0V2g0Zz09

Meeting ID: 943 3037 5053 Passcode: 768471

This talk is part of the NLIP Seminar Series series.

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