Towards Knowledge-Robust and Multimodally-Grounded NLP

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• Mohit Bansal, UNC Chapel Hill
• Thursday 10 June 2021, 17:00-18:00
• https://cam-ac-uk.zoom.us/j/97599459216?pwd=QTRsOWZCOXRTREVnbTJBdXVpOXFvdz09.

If you have a question about this talk, please contact Marinela Parovic.

In this talk, I will present our group’s work on NLP models that are knowledge-robust and multimodally-grounded. First, we will describe multi-task and reinforcement learning methods to incorporate novel auxiliary-skill tasks such as saliency, entailment, and back-translation validity (including bandit-based methods for automatic auxiliary task selection+mixing and multi-reward mixing). Next, we will discuss developing adversarial robustness against reasoning shortcuts, missing commonsense gaps, and cross-domain/lingual generalization in QA and dialogue models (including auto-adversary generation). Lastly, we will discuss multimodally-grounded models which condition and reason on dynamic spatio-temporal information in images and videos, and action-based robotic navigation and assembling tasks (including commonsense reasoning for ambiguous robotic instructions).

This talk is part of the Language Technology Lab Seminars series.

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