Papers by Yuxin Hu

13 papers
Event Pattern-Instance Graph: A Multi-Round Role Representation Learning Strategy for Document-Level Event Argument Extraction (2025.findings-acl)

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Challenge: Existing role-based span selection strategies ignore interrelations between events . authors propose a multi-round role representation learning strategy for document-level event argument extraction .
Approach: They propose a pattern-instance graph to capture role semantics embedded in various associations . they also propose re-inventing the role representations learned from previous analyzed documents .
Outcome: The proposed model captures role semantics embedded in various associations . iteratively updates representations of role nodes and edges to enrich their semantic information . the model improves prediction performance in subsequent rounds of span selection .
PaddleSpeech: An Easy-to-Use All-in-One Speech Toolkit (2022.naacl-demo)

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Challenge: PaddleSpeech is an open-source speech toolkit that supports speech-to-text and text-to speech tasks.
Approach: They describe the design philosophy and core architecture of PaddleSpeech to support several essential speech-to-text and text-to speech tasks.
Outcome: The proposed framework achieves competitive or state-of-the-art performance on various speech datasets and implements the most popular methods.
A Multimodal In-Context Tuning Approach for E-Commerce Product Description Generation (2024.lrec-main)

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Challenge: Existing methods for generating product descriptions from images are inaccurate and generic . e-commerce product descriptions are important for content marketing and increasing engagement .
Approach: They propose a new setting for generating product descriptions from images, augmented by marketing keywords.
Outcome: The proposed approach improves the accuracy and diversity of product descriptions by up to 3.3% on Rouge-L and 9.4% on D-5.
SURE: Safety Understanding and Reasoning Enhancement for Multimodal Large Language Models (2025.emnlp-main)

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Challenge: Existing multimodal large language models incorporate visual and textual information, but introduces new and complex safety risks.
Approach: They propose a safety reasoning framework that integrates visual modalities into multimodal models to help them resist jailbreak attacks.
Outcome: The proposed framework improves model safety while avoiding over-defense . it is based on a large-scale safety reasoning dataset .
TEF: Causality-Aware Taxonomy Expansion via Front-Door Criterion (2025.coling-main)

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Challenge: Existing research still faces spurious query-anchor matching due to unobserved factors.
Approach: They propose a model that uses the front-door criteria to decompose the expansion process into a parser module and a connector to isolate confounding effects.
Outcome: Extensive experiments on three benchmarks validate the effectiveness of the proposed model.
FIER: Fine-Grained and Efficient KV Cache Retrieval for Long-context LLM Inference (2025.findings-emnlp)

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Challenge: Key-Value (KV) cache reading latency increases with context lengths hindering LLM inference . important tokens are sparsely distributed across the long context, making existing retrieval inaccurate .
Approach: They propose a method to retain a small fraction of KV cache based on token importance . important tokens are often sparsely distributed across the long context .
Outcome: The proposed method reduces decoding latency by 1.2 to 1.5.
A Multi-Modal Context Reasoning Approach for Conditional Inference on Joint Textual and Visual Clues (2023.acl-long)

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Challenge: Existing methods for conditional inference on joint textual and visual clues lack multimodal context reasoning capability.
Approach: They propose a multi-modal context reasoning approach that embeds textual semantics and objective image information into the pretrained language model to perform context reasoning.
Outcome: The proposed approach improves on two data sets and shows 4.8% gain on the PMR.
Deep-Reporter: Deep Research for Grounded Multimodal Long-Form Generation (2026.acl-long)

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Challenge: Recent agentic search frameworks are text-centric, overlooking multimodal evidence . a pressing task is multimodal long-form generation, a new paper argues .
Approach: They propose a unified agentic framework for grounded multimodal long-form generation.
Outcome: The proposed framework is based on a unified agentic framework for grounded multimodal long-form generation.
PsyAdvisor: A Plug-and-Play Strategy Advice Planner with Proactive Questioning in Psychological Conversations (2025.acl-long)

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Challenge: Current psychological LLMs are constrained by passive response mechanisms, limiting their capacity to deploy proactive strategies for psychological counseling.
Approach: They propose a dataset that provides a multi-turn conversation dataset with interpretive labels including strategy decision logic and reaction attribution.
Outcome: The proposed model significantly improves proactive questioning capacity, conversation depth, and response quality.
Revisiting Event Argument Extraction: Can EAE Models Learn Better When Being Aware of Event Co-occurrences? (2023.acl-long)

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Challenge: Recent studies on event argument extraction (EAE) have not taken event co-occurrences into account.
Approach: They propose to reformulate event co-occurrences as a problem of table generation and extend a SOTA prompt-based EAE model into a non-autoregressive generation framework that extracts the arguments of multiple events in parallel.
Outcome: The proposed framework can extract arguments of multiple events in parallel.
MLWQ: Efficient Small Language Model Deployment via Multi-Level Weight Quantization (2025.emnlp-main)

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Challenge: Existing methods for efficient deployment of small language models face inefficient bit-width allocation and insufficient fine-grained quantization adjustments.
Approach: They propose a weight quantization technique that facilitates efficient deployment of SLMs . they propose to combine inter-layer loss and intra-layer salience to achieve better allocation .
Outcome: Experimental results show that multi-level weight quantization achieves competitive performance compared to state-of-the-art methods.
A Neural Divide-and-Conquer Reasoning Framework for Image Retrieval from Linguistically Complex Text (2023.acl-long)

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Challenge: Pretrained Vision-Language Models (VLMs) have achieved remarkable performance in image retrieval from text, but their performance drops drastically when confronted with linguistically complex texts.
Approach: They propose an end-to-end Neural Divide-and-Conquer Reasoning framework for linguistically complex texts that they struggle to comprehend.
Outcome: The proposed framework significantly improves performance in complex image-text reasoning problem.

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