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Zichen Chen

8 accepted papers

2026

CoDA: Agentic Systems for Collaborative Data Visualization

ICLR 2026poster

Automating data visualization from natural language is crucial for data science, yet current systems struggle with complex datasets containing multiple files and iterative refinement. Existing approaches, including simple single- or multi-agent systems, often oversimplify the task, focusing on initi…

Cited by 0SourcecodeScholar
2025

GraphEval36K: Benchmarking Coding and Reasoning Capabilities of Large Language Models on Graph Datasets

NAACL 2025findings

Large language models (LLMs) have achieved remarkable success in natural language processing (NLP), demonstrating significant capabilities in processing and understanding text data. However, recent studies have identified limitations in LLMs’ ability to manipulate, program, and reason about structur…

Cited by 0SourcePDFScholar
2024

State Chrono Representation for Enhancing Generalization in Reinforcement Learning

NeurIPS 2024poster

In reinforcement learning with image-based inputs, it is crucial to establish a robust and generalizable state representation. Recent advancements in metric learning, such as deep bisimulation metric approaches, have shown promising results in learning structured low-dimensional representation space…

2024

XplainLLM: A Knowledge-Augmented Dataset for Reliable Grounded Explanations in LLMs

EMNLP 2024main

Large Language Models (LLMs) have achieved remarkable success in natural language tasks, yet understanding their reasoning processes remains a significant challenge. We address this by introducing XplainLLM, a dataset accompanying an explanation framework designed to enhance LLM transparency and rel…

2023

Efficient Training of Large-Scale Industrial Fault Diagnostic Models through Federated Opportunistic Block Dropout

AAAI 2023technical

Artificial intelligence (AI)-empowered industrial fault diagnostics is important in ensuring the safe operation of industrial applications. Since complex industrial systems often involve multiple industrial plants (possibly belonging to different companies or subsidiaries) with sensitive data collec…

Cited by 7SourcePDFScholar
2023

FedOBD: Opportunistic Block Dropout for Efficiently Training Large-scale Neural Networks through Federated Learning

IJCAI 2023poster

Large-scale neural networks possess considerable expressive power. They are well-suited for complex learning tasks in industrial applications. However, large-scale models pose significant challenges for training under the current Federated Learning (FL) paradigm. Existing approaches for efficient FL…

2020

A Multi-player Game for Studying Federated Learning Incentive Schemes

IJCAI 2020poster

Federated Learning (FL) enables participants to "share'' their sensitive local data in a privacy preserving manner and collaboratively build machine learning models. In order to sustain long-term participation by high quality data owners (especially if they are businesses), FL systems need to provid…

Cited by 0SourcePDFScholar
2018

Design and Fabrication of Wearable Thermoelectric Generator Device for Heat Harvesting

RA-L 2018

This letter presents a novel wearable thermoelectric generator (TEG) device for powering electronics by harvesting human body heat. The structural design of the TEG device consists of 12 thermoelectric modules, which are connected by copper strips electrically in series and thermally in parallel. A

Cited by 80SourceScholar