publications

2026
Thumbnail for A Decentralized Digital Twin via Crowdsourced Sensing and Browser-Based Edge Computation
Digital Twin

A Decentralized Digital Twin via Crowdsourced Sensing and Browser-Based Edge Computation

Sean Hardesty Lewis, Junfeng Jiao, Yiming Xu, Jihyung Park, Connor Phillips

To be presented at AAAI 2026 Deployable AI Workshop

2025
Thumbnail for Why Re-infer the Known? Utilizing Place, Event, and Infrastructure Data in Scene Understanding Workflows
AI

Why Re-infer the Known? Utilizing Place, Event, and Infrastructure Data in Scene Understanding Workflows

Sean Hardesty Lewis, Matt Franchi, ..., Wendy Ju

In Progress, 2025

Thumbnail for Minecraft to 3D: A Pipeline for High‑Fidelity Reconstruction of Minecraft Worlds
Pipeline

Minecraft to 3D: A Pipeline for High‑Fidelity Reconstruction of Minecraft Worlds

Sean Hardesty Lewis

In Proceedings of SIGGRAPH 2025

DOIPDFCodePoster
Thumbnail for SafeMate: Providing Reliable, Step-by-Step Emergency Assistance with a Guideline-Grounded LLM
AI

SafeMate: Providing Reliable, Step-by-Step Emergency Assistance with a Guideline-Grounded LLM

Junfeng Jiao, Jihyung Park, Yiming Xu, Sean Hardesty Lewis, Lucy Atkinson, Kristen Sussman

Under Review, 2025

Thumbnail for OpenCityCorpus: A Large-Scale, Harmonized, and LLM-Ready Corpus of Urban Data for Scientific Research
Data

OpenCityCorpus: A Large-Scale, Harmonized, and LLM-Ready Corpus of Urban Data for Scientific Research

Junfeng Jiao, Sean Hardesty Lewis, Yiming Xu, Jihyung Park, Connor Phillips

To be presented at NeurIPS 2025 AI4Science Workshop

Thumbnail for From Walled Gardens to Open Streets: A Pipeline for Cross-City Data Harmonization
Pipeline

From Walled Gardens to Open Streets: A Pipeline for Cross-City Data Harmonization

Sean Hardesty Lewis, Junfeng Jiao

To be presented at NeurIPS 2025 UrbanAI Workshop

PDF

posters & talks

2025
Thumbnail for Natural Language Processing Workshop

July 2025

Natural Language Processing Workshop

Break Through Tech AI Workshop

Slides
2024
Thumbnail for AI Emergency Communication: Deterministic Models for Critical Information

May 2024

AI Emergency Communication: Deterministic Models for Critical Information

2nd Annual Smart Cities and Generative AI Symposium (Good Systems)

Slides
Thumbnail for Finding the Optimal Way Out: A Study on Bellman's Lost in a Forest Problem

April 2024

Finding the Optimal Way Out: A Study on Bellman's Lost in a Forest Problem

Math for All Conference

Slides
Thumbnail for Using Generative AI for Digital Planning

March 2024

Using Generative AI for Digital Planning

Good Systems Symposium

Poster
Thumbnail for Multilingual AI‑Assisted Emergency Preparedness

March 2024

Multilingual AI‑Assisted Emergency Preparedness

Good Systems Symposium

Poster
Thumbnail for Digital Planning for Sustainable Urban Future

January 2024

Digital Planning for Sustainable Urban Future

Utrecht University, Netherlands (audience included Dr. Michael Batty)

Slides
2023
Thumbnail for AI-Powered Insights: Extracting Value from Complex Data Ecosystems

August 2023

AI-Powered Insights: Extracting Value from Complex Data Ecosystems

1st Annual Smart Cities and Generative AI Symposium (Texas Advanced Computing Center)

Slides