Search Results for author: Matthew Hall

Found 8 papers, 2 papers with code

Detecting East Asian Prejudice on Social Media

4 code implementations EMNLP (ALW) 2020 Bertie Vidgen, Austin Botelho, David Broniatowski, Ella Guest, Matthew Hall, Helen Margetts, Rebekah Tromble, Zeerak Waseem, Scott Hale

The outbreak of COVID-19 has transformed societies across the world as governments tackle the health, economic and social costs of the pandemic.

Rule By Example: Harnessing Logical Rules for Explainable Hate Speech Detection

1 code implementation24 Jul 2023 Christopher Clarke, Matthew Hall, Gaurav Mittal, Ye Yu, Sandra Sajeev, Jason Mars, Mei Chen

In this paper, we present Rule By Example (RBE): a novel exemplar-based contrastive learning approach for learning from logical rules for the task of textual content moderation.

Contrastive Learning Hate Speech Detection

Contextual Bandit Applications in Customer Support Bot

no code implementations6 Dec 2021 Sandra Sajeev, Jade Huang, Nikos Karampatziakis, Matthew Hall, Sebastian Kochman, Weizhu Chen

We do, however, have access to partial feedback provided by the user (clicks, surveys, and other events) which can be leveraged to improve the user experience.

Multi-Armed Bandits

PivoTAL: Prior-Driven Supervision for Weakly-Supervised Temporal Action Localization

no code implementations CVPR 2023 Mamshad Nayeem Rizve, Gaurav Mittal, Ye Yu, Matthew Hall, Sandra Sajeev, Mubarak Shah, Mei Chen

To address this, we present PivoTAL, Prior-driven Supervision for Weakly-supervised Temporal Action Localization, to approach WTAL from a localization-by-localization perspective by learning to localize the action snippets directly.

Weakly Supervised Action Localization Weakly Supervised Temporal Action Localization

ProTeGe: Untrimmed Pretraining for Video Temporal Grounding by Video Temporal Grounding

no code implementations CVPR 2023 Lan Wang, Gaurav Mittal, Sandra Sajeev, Ye Yu, Matthew Hall, Vishnu Naresh Boddeti, Mei Chen

We present ProTeGe as the first method to perform VTG-based untrimmed pretraining to bridge the gap between trimmed pretrained backbones and downstream VTG tasks.

text similarity

Rethinking Multimodal Content Moderation from an Asymmetric Angle with Mixed-modality

no code implementations17 May 2023 Jialin Yuan, Ye Yu, Gaurav Mittal, Matthew Hall, Sandra Sajeev, Mei Chen

There is a rapidly growing need for multimodal content moderation (CM) as more and more content on social media is multimodal in nature.

Defending Against Indirect Prompt Injection Attacks With Spotlighting

no code implementations20 Mar 2024 Keegan Hines, Gary Lopez, Matthew Hall, Federico Zarfati, Yonatan Zunger, Emre Kiciman

Indirect prompt injection attacks take advantage of this vulnerability by embedding adversarial instructions into untrusted data being processed alongside user commands.

Prompt Engineering

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