Search Results for author: Juntong Chen

Found 4 papers, 1 papers with code

On the expressivity of deep Heaviside networks

no code implementations30 Apr 2025 Insung Kong, Juntong Chen, Sophie Langer, Johannes Schmidt-Hieber

We show that deep Heaviside networks (DHNs) have limited expressiveness but that this can be overcome by including either skip connections or neurons with linear activation.

regression

InterChat: Enhancing Generative Visual Analytics using Multimodal Interactions

no code implementations6 Mar 2025 Juntong Chen, Jiang Wu, Jiajing Guo, Vikram Mohanty, Xueming Li, Jorge Piazentin Ono, Wenbin He, Liu Ren, Dongyu Liu

To address these limitations, we investigate the design space of multimodal interactions for generative visual analytics through a literature review and pilot brainstorming sessions.

Prompt Engineering

Understanding the Effect of GCN Convolutions in Regression Tasks

no code implementations26 Oct 2024 Juntong Chen, Johannes Schmidt-Hieber, Claire Donnat, Olga Klopp

Graph Convolutional Networks (GCNs) have become a pivotal method in machine learning for modeling functions over graphs.

regression

SalienTime: User-driven Selection of Salient Time Steps for Large-Scale Geospatial Data Visualization

1 code implementation6 Mar 2024 Juntong Chen, Haiwen Huang, Huayuan Ye, Zhong Peng, Chenhui Li, Changbo Wang

The voluminous nature of geospatial temporal data from physical monitors and simulation models poses challenges to efficient data access, often resulting in cumbersome temporal selection experiences in web-based data portals.

Data Visualization

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