News

• 12 August 2024: Check out our paper, LoRA-Guard: Parameter-Efficient Guardrail Adaptation for Content Moderation of Large Language Models (arxiv; under review). We introduce a parameter-efficient method for LLM guardrailing. It outperforms existing approaches with 100-1000x lower parameter overhead, enabling on-device content moderation.
• 20 May 2024: Excited to announce that I've joined Samsung R&D Institute (UK) as a Principal Research Engineer ⏳🧐🤖🚀🙏🏻. Thanks to everyone at Amazon for the last two years.
• 3 March 2023: I passed my PhD viva with no reviewable corrections 🥳! Thanks be to God 🙏🏻; to my supervisors Walid Magdy, Bonnie Webber, and Maria Wolters; and to my examiners Alexandra Birch-Mayne and Rada Mihalcea. Check out my thesis, Computational Sarcasm Detection and Understanding in Online Communication.
• 15 August 2022: Our paper, Multi-Stage Framework with Refinement Based Point Set Registration for Unsupervised Bi-Lingual Word Alignment, by Silviu Vlad Oprea, Sourav Dutta, and Haytham Assem, was accepted at COLING 2022.
• 18 April 2022: I started working for Amazon as an Applied Scientist in the Alexa AI 🤖 team.
• 4 April 2022: Our patent, Processing communications in a computing arrangement for semantic understanding and interpretation of code-switching, by Sourav Dutta, Silviu Vlad Oprea, Salama Hitham, and Hu Peng, was published.
• 23 February 2022: Our paper, Should a Chatbot be Sarcastic? Understanding User Preferences Towards Sarcasm Generation, by Silviu Vlad Oprea and Walid Magdy, was accepted at ACL 2022.
• 30 June 2021: The flood segmentation model that we built at Frontier Development Lab has now been deployed by SpaceX on an actual satellite 🛰. Along the way, we collaborated with the European Space Agency and UNICEF. Our work was covered by this post from the University of Oxford; and by several media outlets: 1, 2, 3, 4, 5. Check out our Nature (Scientific Reports) paper and the video of the rocket launch 🚀