Papers by Jian Yao

15 papers
UnCo: Uncertainty-Driven Collaborative Framework of Large and Small Models for Grounded Multimodal NER (2025.emnlp-main)

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Challenge: Existing methods to identify unseen multimodal entities struggle with limited knowledge and generalization.
Approach: They propose a framework that leverages the strengths of small fine-tuned models and MLLMs to generate unambiguous predictions.
Outcome: Extensive experiments show that the proposed framework retains the in-domain knowledge of small models while utilizing the capabilities of MLLMs to handle unseen entities.
Improving Meta-learning for Low-resource Text Classification and Generation via Memory Imitation (2022.acl-long)

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Challenge: Building models of natural language processing (NLP) is challenging in low-resource scenarios where limited data are available.
Approach: They propose a memory imitation meta-learning method that enhances the model’s reliance on support sets for task adaptation.
Outcome: The proposed method outperforms baselines on both text classification and generation tasks.
TailorKV: A Hybrid Framework for Long-Context Inference via Tailored KV Cache Optimization (2025.findings-acl)

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Challenge: Existing work mitigates memory overhead by offloading or compressing the Key-Value cache.
Approach: They propose a method that integrates quantization and offloading into a generative large language model by using a hybrid compression method.
Outcome: The proposed method outperforms the state-of-the-art in long-context evaluations.
Towards Less Generic Responses in Neural Conversation Models: A Statistical Re-weighting Method (D18-1)

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Challenge: Experimental results show that Sequence-to-sequence models tend to generate generic/dull responses .
Approach: They propose a statistical re-weighting method that assigns different weights for multiple responses of the same query.
Outcome: The proposed method improves acceptance rate of generated responses and significantly reduces generated generic responses.
Using Intermediate Representations to Solve Math Word Problems (P18-1)

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Challenge: Existing approaches to solving math word problems do not include higher-order operations that cannot be explicitly represented in equations.
Approach: They propose an iterative labeling framework that generates intermediate forms and executes them to obtain the final answers.
Outcome: The proposed model outperforms existing models in solving math word problems.
Composition-based Heterogeneous Graph Multi-channel Attention Network for Multi-aspect Multi-sentiment Classification (2022.coling-1)

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Challenge: Existing methods for Aspect-based sentiment analysis (ABSA) focus on aspect terms with the same sentiment polarity . current methods focus on sentences with only one aspect term or multiple aspect terms .
Approach: They propose a novel method to model inter-aspect relationships and aspect-context relationships simultaneously using a heterogeneous graph.
Outcome: The proposed method can predict sentiments towards the given aspect term in a sentence . it can provide more detailed predictions compared with sentence-level sentiment analysis.
AGCL: Aspect Graph Construction and Learning for Aspect-level Sentiment Classification (2025.coling-main)

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Challenge: Aspect-level Sentiment Classification (ALSC) is a fine-grained sentiment analysis task that aims to identify the sentiment polarity of a review text toward each corresponding aspect.
Approach: They propose a novel Aspect Graph Construction and Learning method that harnesses aspect connections to construct a domain aspect graph and iteratively updates it to enhance its domain expertise.
Outcome: The proposed method can bridge unseen aspects with seen aspects, enhancing the model's generalization capability.
Joint Pre-Encoding Representation and Structure Embedding for Efficient and Low-Resource Knowledge Graph Completion (2024.emnlp-main)

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Challenge: Existing knowledge graph completion models require longer training and inference times as well as increased memory usage.
Approach: They propose to encode textual descriptions into semantic representations before training and integrate structural embedding with pre-encoded semantic description to improve model's prediction performance on 1-N relations.
Outcome: The proposed model increases inference speed by 30x and reduces training memory by approximately 60% on the WN18RR and UMLS datasets.
Taming Text-to-Image Synthesis for Novices: User-centric Prompt Generation via Multi-turn Guidance (2025.emnlp-main)

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Challenge: Existing solutions for text-to-image synthesis are sensitive on textual prompts, posing a challenge for novice users.
Approach: They propose a dialogue-based TIS prompt generation model that emphasizes user experience for novice users.
Outcome: The proposed model emphasizes user experience for novice users . it improves user-centricity score while maintaining a competitive quality of synthesized images.
GUI Agents: A Survey (2025.findings-acl)

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Challenge: Large Foundation Models (LFMs) have transformed the landscape of AI research and day-to-day life.
Approach: They propose a framework that delineates GUI agents' perception, reasoning, planning, and acting capabilities.
Outcome: The proposed framework delineates their perception, reasoning, planning, and acting capabilities.
VecInfer: Efficient LLM Inference with Low-Bit KV Cache via Outlier-Suppressed Vector Quantization (2026.acl-long)

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Challenge: Existing quantization methods for large language models suffer performance degradation at ultra-low bit-widths due to key cache outliers.
Approach: They propose a vector quantization method that suppresses outliers in the key cache and reduces memory access overhead.
Outcome: The proposed method outperforms baseline quantization methods across long-context understanding and mathematical reasoning tasks while minimizing memory access overhead.
JudgeAgent: Beyond Static Benchmarks for Knowledge-Driven and Dynamic LLM Evaluation (2026.findings-acl)

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Challenge: Current evaluation methods for large language models rely on static benchmarks . limited knowledge coverage and fixed difficulties hinder the targeted optimizations resulting in superficial evaluations of LLMs - a problem that has been addressed by JudgeAgent .
Approach: They propose a knowledge-driven and dynamic evaluation framework for large language models . judgeAgent leverages LLM agents equipped with context graphs to traverse knowledge structures .
Outcome: The proposed framework can achieve comprehensive evaluations and facilitate effective model iterations.
OAgents: An Empirical Study of Building Effective Agents (2025.findings-emnlp)

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Challenge: a recent study shows that agent research practices are far from standard, rigorous . lack of a standard evaluation protocol makes previous works not reproducible, authors say .
Approach: They conduct an empirical study on the GAIA benchmark to investigate agent design choices . they find that lack of a standard evaluation protocol makes previous works not reproducible .
Outcome: The proposed framework achieves state-of-the-art performance among open-source projects.
EmoTrans: Emotional Transition-based Model for Emotion Recognition in Conversation (2024.lrec-main)

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Challenge: Emotions are causally transmitted among communication participants, facilitating comprehension of intricate changes in emotional states during the conversation.
Approach: They propose an Emotional Transition-based Emotion Recognizer that captures ET features in an emotional conversation by concatenating the most recent utterances with their corresponding speakers.
Outcome: The proposed model is sensitive to emotions and captures ET features in the sample.
Self-Reflective Generation at Test Time (2026.acl-long)

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Challenge: Existing self-reflection mechanisms are reactive and inefficient for large language models . a fundamental tension persists between the ability to execute complex multi-step reasoning and the ability of the model to generate coherent traces.
Approach: They propose a test-time framework that reflects before generating at uncertain points . SRGen utilizes dynamic entropy thresholding to identify high-uncertainty tokens .
Outcome: The proposed framework can significantly strengthen large language models' reasoning process.

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