Papers by Jiaxiang Chen

5 papers
Low-Resource Comparative Opinion Quintuple Extraction by Data Augmentation with Prompting (2023.findings-emnlp)

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Challenge: Comparative Opinion Quintuple Extraction (COQE) aims to predict comparative opinion quintuples from comparative sentences.
Approach: They propose a low-resource approach to extract comparative opinion quintuples from comparative sentences . they propose augmentation using ChatGPT and a data-centric approach .
Outcome: The proposed approach improves the existing pipeline-based method and achieves state-of-the-art results.
From Implicit Exploration to Structured Reasoning: Guideline and Refinement for LLMs (2025.findings-emnlp)

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Challenge: Existing models rely on implicit exploration, which leads to unstable reasoning paths and lack of error correction.
Approach: They propose a framework that shifts from implicit exploration to structured reasoning through guideline and refinement.
Outcome: The proposed model outperforms strong baselines on the Big-Bench Hard benchmark.
Smart “Chef”: Verifying the Effect of Role-based Paraphrasing for Aspect Term Extraction (2023.findings-emnlp)

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Challenge: Aspect Term Extraction (ATE) is a task of automatically extracting aspect terms from sentences.
Approach: They propose to automatically rewrite sentences from virtual experts with different roles . they leverage ChatGPT to determine virtual experts in the considered domains .
Outcome: The proposed method can be used to expand the predictions obtained on the original sentences without retraining or fine-tuning the baseline extractors.
AI2Agent: An End-to-End Framework for Deploying AI Projects as Autonomous Agents (2025.acl-demo)

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Challenge: a new framework automates deployment and debugging of AI projects . complexity of environment configurations, dependency conflicts, and debuggering issues hinder scalability and adoption.
Approach: They propose an end-to-end framework that automates AI project deployment . they conducted experiments on 30 AI deployment cases to evaluate its effectiveness .
Outcome: The proposed framework reduces deployment time and improves success rates by reducing human intervention.
FinHEAR: Human Expertise and Adaptive Risk-Aware Temporal Reasoning for Financial Decision-Making (2025.findings-emnlp)

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Challenge: Large language models often overlook key behavioral patterns underlying human financial behavior.
Approach: FinHEAR is a multi-agent framework for human expertise and Adaptive Risk-aware reasoning.
Outcome: FinHEAR outperforms baseline models in trend forecasting and decision-making.

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