Papers by Qingyu Zhang

31 papers
Graph Reasoning for Question Answering with Triplet Retrieval (2023.findings-acl)

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Challenge: Existing methods to answer complex questions require reasoning over knowledge graphs (KGs) state-of-the-art methods constrain retrieved knowledge in local subgraphs and discard more diverse triplets that are disconnected but useful for question answering.
Approach: They propose a method to retrieve the most relevant triplets from KGs and then rerank them, which are then concatenated with questions to be fed into language models.
Outcome: The proposed method outperforms state-of-the-art methods on commonsenseQA and OpenbookQA datasets with 4.6% absolute accuracy.
Zero Pronoun Resolution with Attention-based Neural Network (C18-1)

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Challenge: Recent neural network methods for zero pronoun resolution use contextual information to encode the zero pronomins since they contain no actual content.
Approach: They propose a self-attention mechanism for encoding zero pronouns that focus on some informative parts of the associated texts and produce an efficient way of encode them.
Outcome: The proposed model significantly surpasses existing Chinese zero pronoun resolution baseline systems.
Knowledge-Selective Pretraining for Attribute Value Extraction (2023.findings-emnlp)

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Challenge: Existing methods for AVE are limited on rare attributes due to poor generalization ability.
Approach: They propose to leverage pretraining and transfer learning to address weaknesses in existing methods.
Outcome: The proposed method achieves new state-of-the-art performance without pretraining on rare attributes with limited training resources.
A Multilingual Dataset and Empirical Validation for the Mutual Reinforcement Effect in Information Extraction (2026.findings-acl)

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Challenge: Existing work on the Mutual Reinforcement Effect in information extraction has not been empirically validated . 76 percent of the 21 sub-datasets exhibit the Mutual Reforcement effect across languages .
Approach: They propose a multilingual MRE mix dataset that integrates 21 sub-datasets covering English, Japanese, and Chinese.
Outcome: The proposed framework reduces manual annotation effort while preserving structural requirements of MRE tasks.
IHEval: Evaluating Language Models on Following the Instruction Hierarchy (2025.naacl-long)

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Challenge: Instruction-tuned language models (LMs) are increasingly deployed as interactive services across various applications.
Approach: They propose a benchmark to evaluate models' ability to follow the instruction hierarchy by comparing their models to a set of benchmarks.
Outcome: The proposed benchmark covers 3,538 examples across nine tasks covering cases where instructions in different priorities either align or conflict.
Instant Personalized Large Language Model Adaptation via Hypernetwork (2026.acl-long)

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Challenge: Existing parameter-efficient fine-tuning methods require training a separate adapter for each user, making them computationally expensive and impractical for real-time updates.
Approach: They propose a scalable framework that maps a user's profile directly to a full set of adapter parameters.
Outcome: The proposed framework outperforms prompt-based personalization and OPPU while using substantially fewer computational resources at deployment.
Seeking Patterns, Not just Memorizing Procedures: Contrastive Learning for Solving Math Word Problems (2022.findings-acl)

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Challenge: Existing models memorize procedures from context and rely on shallow heuristics to solve MWPs.
Approach: They propose a contrastive learning approach where the neural network perceives the divergence of patterns.
Outcome: The proposed method greatly improves performance in monolingual and multilingual settings.
MEVTR: A Multilingual Model Enhanced with Visual Text Representations (2024.lrec-main)

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Challenge: Existing models that generate multilingual text representations perform poorly on low-resource languages due to lack of representation space and model capacity.
Approach: They propose a multilingual model enhanced with visual text representations which complements textual representations and extends multilingual representation space with visual representations.
Outcome: The proposed model outperforms state-of-the-art models on zero-shot cross-lingual transfer tasks without the target language adapter.
MTLS: Making Texts into Linguistic Symbols (2024.emnlp-main)

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Challenge: In linguistics, all languages can be considered as symbolic systems . most work overlooks the properties of languages as symbol systems - aaron et al., 1989).
Approach: They propose a method to make texts into linguistic symbols to improve multilingual capability . they use a pre-training method to replace pre-trained language models with a vocabulary map .
Outcome: The proposed method improves multilingual capabilities on multilingual tasks using BERT and RoBERTa as the backbone.
CERES: Pretraining of Graph-Conditioned Transformer for Semi-Structured Session Data (2022.naacl-main)

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Challenge: Despite advances in self-supervised learning, there is a lack of models that can effectively capture both intra- and intra-item semantics for semi-structured session data.
Approach: They propose a graph-based transformer model for semi-structured session data that captures both intra- and intra-item semantics.
Outcome: The proposed model outperforms baselines in three session search and entity linking tasks by up to 9%.
Improving Consistency for Text Summarization with Energy Functions (2023.findings-emnlp)

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Challenge: Current abstractive summarization models generate inconsistent content due to the inherently noisy dataset and the discrepancy between maximum likelihood estimation based training objectives and consistency measurements.
Approach: They propose a new consistency taxonomy that categorizes inconsistent content into faithfulness, factuality, and self-supportiveness.
Outcome: Experiments on XSUM and CNN/DM datasets show that EnergySum mitigates the trade-off between accuracy and consistency.
All Information is Valuable: Question Matching over Full Information Transmission Network (2022.findings-naacl)

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Challenge: Existing methods for question matching only transmit one kind of information while failing to utilize both kinds of information simultaneously.
Approach: They propose a question matching network that can transmit both representation and interactive information together in a simultaneous fashion.
Outcome: The proposed approach outperforms strong baseline models on two standard benchmarks.
Toward Human-Like Evaluation for Natural Language Generation with Error Analysis (2023.acl-long)

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Challenge: Pre-trained language models (PLMs) have been used to evaluate language generation tasks . pretrained error analysis can be used to refine the generated sentence toward higher confidence .
Approach: They propose to combine pretrained language model based metrics with human-like error analysis to improve sentence confidence.
Outcome: The proposed method outperforms top-scoring metrics in 19/25 settings.
SEQZERO: Few-shot Compositional Semantic Parsing with Sequential Prompts and Zero-shot Models (2022.findings-naacl)

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Challenge: Recent research shows promising results on combining pretrained language models with canonical utterance for few-shot semantic parsing.
Approach: They propose a few-shot semantic parsing method that decomposes a problem into a sequence of sub-problems, which correspond to the sub-clauses of the formal language.
Outcome: The proposed method achieves SOTA performance of BART-based models on GeoQuery and EcommerceQuery, which are two few-shot datasets with compositional data split.
MQM-APE: Toward High-Quality Error Annotation Predictors with Automatic Post-Editing in LLM Translation Evaluators (2025.coling-main)

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Challenge: Large Language Models (LLMs) have shown significant potential as judges for Machine Translation (MT) quality assessment.
Approach: They propose a framework that automatically post-edits the original translation based on each error, thereby filtering out non-impactful errors.
Outcome: The proposed framework improves reliability and quality of error spans against GEMBA-MQM, across eight LLMs in both high- and low-resource languages.
ShortGPT: Layers in Large Language Models are More Redundant Than You Expect (2025.findings-acl)

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Challenge: Recent studies have identified significant redundancy in large language models . quantization and pruning are two methods that reduce computational resources .
Approach: They propose simple pruning methods that prune redundant layers based on their BI scores.
Outcome: The proposed pruning methods demonstrate superior performance over previous pruning methods.
AiM: Taking Answers in Mind to Correct Chinese Cloze Tests in Educational Applications (2022.coling-1)

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Challenge: Existing methods to correct handwritten assignments are to use OCR to recognize characters and compare them to answers.
Approach: They propose a multimodal approach to correct handwritten Chinese characters by combining the visual information of students' handwriting with the encoded representations of answers.
Outcome: The proposed model outperforms OCR-based methods by a large margin.
AutoAlign: Get Your LLM Aligned with Minimal Annotations (2025.acl-demo)

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Challenge: Automated Alignment (ALM) is a set of algorithms designed to align Large Language Models (LLMs) with human intentions and values while minimizing manual intervention.
Approach: They propose an open-source toolkit that integrates mainstream automated algorithms through a consistent interface and an accessible workflow supporting one-click execution for prompt synthesis and automatic alignment signal construction.
Outcome: The proposed framework enables easy reproduction of existing results through extensive benchmarks and facilitates the development of novel approaches via modular components.
Linguistic Rules-Based Corpus Generation for Native Chinese Grammatical Error Correction (2022.findings-emnlp)

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Challenge: Chinese Grammatical Error Correction (CGEC) is a challenging NLP task and a common application in human daily life.
Approach: They propose a linguistic rules-based approach to construct large-scale CGEC training corpora with automatically generated grammatical errors.
Outcome: The proposed method improves performance of existing CGEC models and the benchmark is excellent resource for further development.
SeaLLMs - Large Language Models for Southeast Asia (2024.acl-demos)

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Challenge: Existing large language models favor high-resource languages, such as English, at the expense of low-resourced and regional languages.
Approach: They propose a series of language models that specifically focuses on Southeast Asian languages.
Outcome: SeaLLM models outperform ChatGPT-3.5 in non-Latin languages by large margins . linguistic disparity impedes access to state-of-the-art AI technologies for non-English-speaking populations .
Logic-level Evidence Retrieval and Graph-based Verification Network for Table-based Fact Verification (2021.emnlp-main)

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Challenge: Existing methods leverage programs that contain rich logical information to enhance the verification process.
Approach: They propose a table-based fact verification task as an evidence retrieval framework . they retrieve logic-level program-like evidence from the given table and a statement as supplementary evidence for the table .
Outcome: The proposed method is able to retrieve logic-level program-like evidence from a table and a statement as supplementary evidence for the table.
Deep Reinforcement Learning for Chinese Zero Pronoun Resolution (P18-1)

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Challenge: Recent models for zero pronoun resolution in Chinese are short-sighted and do not capture semantic information for zeros and candidate antecedents.
Approach: They propose to integrate a deep reinforcement learning approach to Chinese zero pronoun resolution.
Outcome: The proposed approach outperforms the state-of-the-art methods in three experimental settings.
Context-Aware Query Rewriting for Improving Users’ Search Experience on E-commerce Websites (2023.acl-industry)

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Challenge: Existing query rewriting models ignore user history behaviors and consider only the instant search query, which is often a short string offering limited information about the true shopping intent.
Approach: They propose an end-to-end context-aware query rewriting model that takes search context into account and builds a session graph using the history search queries and their contained words.
Outcome: The proposed model outperforms state-of-the-art models under various metrics.
Runaway is Ashamed, But Helpful: On the Early-Exit Behavior of Large Language Model-based Agents in Embodied Environments (2025.findings-emnlp)

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Challenge: Experiments with 4 different LLMs across 5 embodied environments show significant efficiency improvements, with only minor drops in agent performance.
Approach: They propose an intrinsic method that injects exit instructions during generation and an extransic system that verifies task completion to determine when to halt an agent’s trial.
Outcome: The proposed method injects exit instructions during generation and an exit method verifies task completion to determine when to halt an agent’s trial.
MedINST: Meta Dataset of Biomedical Instructions (2024.findings-emnlp)

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Challenge: Medical data and tasks require extensive preprocessing and standardization for effective use in training LLMs.
Approach: They propose to use MedINST as a meta-dataset to evaluate LLMs' generalization ability.
Outcome: The meta-dataset of biomedical instruction measures the generalization ability of LLMs across multiple open-domain tasks.
Deeper Insights Without Updates: The Power of In-Context Learning Over Fine-Tuning (2024.findings-emnlp)

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Challenge: Fine-tuning and in-context learning are two prevalent methods in imbuing large language models with task-specific knowledge.
Approach: They propose to use a circuit shift theory to explain why in-context learning is superior to fine-tuning for tasks with implicit patterns.
Outcome: The proposed method can grasp deep patterns and significantly improve accuracy on implicit patterns, compared with fine-tuning and in-context learning.
Error Analysis Prompting Enables Human-Like Translation Evaluation in Large Language Models (2024.findings-acl)

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Challenge: Recent research shows that large language models (LLMs) perform poorly at segment level.
Approach: They propose a new prompting method that emulates the commonly accepted human evaluation framework . they will release their code and scripts to facilitate the community .
Outcome: The proposed method is based on the human evaluation framework MQM and produces explainable and reliable MT evaluations at both the system and segment level.
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.
LMOD: A Large Multimodal Ophthalmology Dataset and Benchmark for Large Vision-Language Models (2025.findings-naacl)

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Challenge: Existing benchmarks for large vision-language models (LVLMs) are limited to ophthalmology-specific applications.
Approach: They introduce a large-scale multimodal ophthalmology benchmark consisting of 21,993 instances across five ocular imaging modalities and 13 state-of-the-art LVLM representatives from closed-source, open-source and medical domains.
Outcome: The proposed model shows significant performance drop in ophthalmology compared to other domains.
Learn to Combine Linguistic and Symbolic Information for Table-based Fact Verification (2020.coling-main)

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Challenge: Existing methods for fact verification lack attention to combine linguistic and symbolic information.
Approach: They propose a graph-based reasoning approach that learns to combine linguistic and symbolic information effectively.
Outcome: The proposed method can combine linguistic and symbolic information effectively.
The Bitter Lesson of Diffusion Language Models for Agentic Workflows: A Comprehensive Reality Check (2026.acl-long)

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Challenge: Embodied and Tool-Calling agents are effective in planning and complex reasoning, but require causal, precise, and logically grounded reasoning mechanisms to be viable for agentic tasks.
Approach: They propose a framework that integrates dLLMs as plug-and-play cognitive cores.
Outcome: The proposed model breaks the sequential latency bottleneck in agentic interactions.

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