no code implementations • 1 Nov 2024 • Xinyi Leng, Jason Liang, Jack Mauro, Xu Wang, Andrea L. Bertozzi, James Chapman, Junyuan Lin, Bohan Chen, Chenchen Ye, Temple Daniel, P. Jeffrey Brantingham
We examine the robustness of the model to adversarial prompting in order to test the model's ability to deal with conflicting information.
no code implementations • 7 Apr 2024 • Hritik Bansal, Po-Nien Kung, P. Jeffrey Brantingham, Kai-Wei Chang, Nanyun Peng
In this paper, we propose GenEARL, a training-free generative framework that harness the power of the modern generative models to understand event task descriptions given image contexts to perform the EARL task.
no code implementations • 5 Mar 2024 • Zefan Cai, Po-Nien Kung, Ashima Suvarna, Mingyu Derek Ma, Hritik Bansal, Baobao Chang, P. Jeffrey Brantingham, Wei Wang, Nanyun Peng
We hypothesize that a diverse set of event types and definitions are the key for models to learn to follow event definitions while existing event extraction datasets focus on annotating many high-quality examples for a few event types.
1 code implementation • 7 Jun 2023 • Xiusi Chen, Wei-Yao Wang, Ziniu Hu, David Reynoso, Kun Jin, Mingyan Liu, P. Jeffrey Brantingham, Wei Wang
In this study, we formulate the sequential decision-making process as a conditional trajectory generation process.
no code implementations • 24 May 2023 • Mingyu Derek Ma, Xiaoxuan Wang, Po-Nien Kung, P. Jeffrey Brantingham, Nanyun Peng, Wei Wang
Information extraction tasks such as event extraction require an in-depth understanding of the output structure and sub-task dependencies.
no code implementations • 10 Oct 2021 • Dominic Flocco, Bryce Palmer-Toy, Ruixiao Wang, Hongyu Zhu, Rishi Sonthalia, Junyuan Lin, Andrea L. Bertozzi, P. Jeffrey Brantingham
The construction and application of knowledge graphs have seen a rapid increase across many disciplines in recent years.
no code implementations • 13 Nov 2019 • Sixie Yu, Kai Zhou, P. Jeffrey Brantingham, Yevgeniy Vorobeychik
Public goods games study the incentives of individuals to contribute to a public good and their behaviors in equilibria.
Computer Science and Game Theory
no code implementations • 19 Apr 2019 • Honglin Chen, Hao Li, Alexander Song, Matt Haberland, Osman Akar, Adam Dhillon, Tiankuang Zhou, Andrea L. Bertozzi, P. Jeffrey Brantingham
Body-worn cameras are now commonly used for logging daily life, sports, and law enforcement activities, creating a large volume of archived footage.
no code implementations • 15 Nov 2018 • Baichuan Yuan, Hao Li, Andrea L. Bertozzi, P. Jeffrey Brantingham, Mason A. Porter
There is often latent network structure in spatial and temporal data and the tools of network analysis can yield fascinating insights into such data.
no code implementations • 2 Apr 2018 • Bao Wang, Xiyang Luo, Fangbo Zhang, Baichuan Yuan, Andrea L. Bertozzi, P. Jeffrey Brantingham
We present a generic framework for spatio-temporal (ST) data modeling, analysis, and forecasting, with a special focus on data that is sparse in both space and time.
no code implementations • 23 Nov 2017 • Bao Wang, Penghang Yin, Andrea L. Bertozzi, P. Jeffrey Brantingham, Stanley J. Osher, Jack Xin
In this work, we first present a proper representation of crime data.
no code implementations • 5 Jan 2017 • Da Kuang, P. Jeffrey Brantingham, Andrea L. Bertozzi
Formal crime types are not discrete in topic space.
no code implementations • 12 Feb 2013 • Yoon-Sik Cho, Aram Galstyan, P. Jeffrey Brantingham, George Tita
We propose a latent self-exciting point process model that describes geographically distributed interactions between pairs of entities.