Dennis Jacob

I'm a research specialist at Prof. David Wagner's group at UC Berkeley, where I work on building trustworthy large language models (LLMs).

During my undergraduate studies at Princeton University, I worked with Prof. Prateek Mittal's group, where I focused on protecting computer vision systems against adversarial attacks.

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RESEARCH  |  ENGINEERING  |  COMMUNITY   

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Research

My research intersts include analyzing security vulnerabilities in deep learning systems (i.e., large language models, computer vision classifiers, etc). I am also interested in the impact of ML-driven recommendation algorithms on social networks.

2024

PatchDEMUX: A Certifiably Robust Framework for Multi-label Classifiers Against Adversarial Patches   
Dennis Jacob, Chong Xiang and Prateek Mittal
Preprint (submitted for review)

A certifiably robust framework for multi-label classifiers against adversarial patches, which is generalizable and can provably extend any existing certifiable defense for single-label classification.

A dynamical model of platform choice and online segregation   
Sven Banisch, Dennis Jacob, Tom Willaert and Eckehard Olbrich
Preprint (arXiv)

Used a combination of agent-based modeling (ABM) techniques and analytical methods to understand the dynamics of platform selection; we find that polarization is possible despite individual preferences for diversity.

Towards a Certifiably Robust Defense for Multi-label Classifiers Against Adversarial Patches  
Dennis Jacob, Chong Xiang and Prateek Mittal
NDSS 2024 Workshop on Artificial Intelligence System with Confidential Computing (AISCC 2024)

Directly extended the double-masking methodology from PatchCleanser to construct the first certifiable defense for multi-label classifiers against the adversarial patch threat model.
Distinguished Paper Award

2023

Polarization in Social Media: A Virtual Worlds-Based Approach   
Dennis Jacob and Sven Banisch
Journal of Artificial Societies and Social Simulation (JASSS) 26 (3) 11

Proposed a novel “virtual worlds” concept to represent the structure of social media platforms in agent-based modeling (ABM) frameworks.

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Engineering

I also enjoy coming up fun engineering solutions to problems I encounter in day-to-day life. Some of my projects and IPs are listed below.

US 11,969,051 B2, METHOD patent: Internet connected adjustable structural support and cushioning system for footwear (APR 30, 2024)   
Dennis Jacob

A sole system cloud based application remotely connects to and adjusts the air chambers according to user preferences

US 11,464,286 B2, SYSTEM patent: Internet connected adjustable structural support and cushioning system for footwear (OCT 11, 2022)   
Dennis Jacob

An apparatus for a shoe sole with an air pump for adjusting pressure levels in air chambers distributed throughout the sole, and a battery

HoagieClub   
Student organization @ Princeton University

Vice President and founding member of the Hoagie Club at Princeton, a student developer group. Co-led development of HoagieStuff, the exchange platform (everything on campus, from bulletin to sales, in one place) for Princeton students.

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Community

Througout my undergraduate studies at Princeton University, I TAed for various courses. One of my main contributions was developing a set of lecture notes for COS 324, the introductory machine learning course at Princeton.

COS 324 Course Notes Book   
Sanjeev Arora, Simon Park, Dennis Jacob, and Danqi Chen
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