Papers by Michael Zhang

66 papers
Sequential LLM Framework for Fashion Recommendation (2024.emnlp-industry)

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Challenge: Existing fashion recommendation systems struggle with the unique challenges of the fashion domain.
Approach: They propose a sequential fashion recommendation framework that leverages a pre-trained large language model enhanced with recommendation-specific prompts.
Outcome: The proposed framework significantly improves fashion recommendation performance on Amazon fashion.
RWKV: Reinventing RNNs for the Transformer Era (2023.findings-emnlp)

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Challenge: recurrent neural networks struggle to match the performance of Transformers due to limitations in parallelization and scalability.
Approach: They propose a model architecture that combines the efficient parallelizable training of transformers with the efficient inference of RNNs.
Outcome: The proposed model performs on par with similarly sized RNNs, suggesting future work can leverage this architecture to create more efficient models.
Mitigating Temporal Misalignment by Discarding Outdated Facts (2023.emnlp-main)

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Challenge: Temporal misalignment is a problem for knowledge-intensive tasks where models must rely on data from the past to make predictions.
Approach: They propose a temporal misalignment task to predict how long a given fact will remain true.
Outcome: The proposed task improves calibration for knowledge-intensive tasks under temporal misalignment by discarding volatile facts.
The TechQA Dataset (2020.acl-main)

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Challenge: TECHQA is a domain-adaptation question answering dataset for the technical support domain.
Approach: They propose a domain-adaptation question-answering dataset for the technical support domain that contains actual questions posed by users on a technical forum .
Outcome: The TECHQA dataset highlights two real-world issues from the automated customer support domain.
The Death and Life of Great Prompts: Analyzing the Evolution of LLM Prompts from the Structural Perspective (2024.emnlp-main)

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Challenge: Recent research has shown that high-quality prompts are essential for LLMs to produce accurate and relevant responses.
Approach: They analyze 10,538 in-the-wild prompts collected from various platforms and develop a framework that decomposes the prompts into eight key components.
Outcome: The proposed framework decomposes 10,538 in-the-wild prompts into eight components.
Breaking Agents: Compromising Autonomous LLM Agents Through Malfunction Amplification (2025.emnlp-main)

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Challenge: Recent advances in large language models (LLMs) have increased the vulnerability of LLMs, but they can cause more severe damage than standalone systems if compromised.
Approach: They propose a new type of attack that induces malfunctions by misleading the agent into executing repetitive or irrelevant actions.
Outcome: The proposed attacks induce failure rates exceeding 80% in multiple scenarios, highlighting the substantial risks associated with this vulnerability.
CommonLID: Re-evaluating State-of-the-Art Language Identification Performance on Web Data (2026.acl-long)

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Pedro Ortiz Suarez, Laurie Burchell, Catherine Arnett, Rafael Mosquera, Sara Hincapié Monsalve, Thom Vaughan, Damian Stewart, Malte Ostendorff, Idris Abdulmumin, Vukosi Marivate, Shamsuddeen Hassan Muhammad, Atnafu Lambebo Tonja, Hend Al-Khalifa, Nadia Ghezaiel Hammouda, Verrah Akinyi Otiende, Tack Hwa Wong, Jakhongir Saydaliev, Melika Nobakhtian, Muhammad Ravi Shulthan Habibi, Chalamalasetti Kranti, Carol Muchemi, Khang Nguyen, Faisal Muhammad Adam, Luis Frentzen Salim, Reem Alqifari, Cynthia Jayne Amol, Joseph Marvin Imperial, Ilker Kesen, Ahmad Mustafid, Pavel Stepachev, Leshem Choshen, David Anugraha, Hamada Nayel, Seid Muhie Yimam, Vallerie Alexandra Putra, My Chiffon Nguyen, Azmine Toushik Wasi, Gouthami Vadithya, Rob Van Der Goot, Lanwenn ar C’horr, Karan Dua, Andrew Yates, Mithil Bangera, Yeshil Bangera, Hitesh Laxmichand Patel, Shu Okabe, Fenal Ashokbhai Ilasariya, Dmitry Gaynullin, Genta Indra Winata, Yiyuan Li, Juan Pablo Martínez, Amit Agarwal, Ikhlasul Akmal Hanif, Raia Abu Ahmad, Esther Adenuga, Filbert Aurelian Tjiaranata, Weerayut Buaphet, Michael Anugraha, Sowmya Vajjala, Benjamin L Rice, Azril Hafizi Amirudin, Jesujoba Oluwadara Alabi, Srikant Panda, Yassine Toughrai, Bruhan Kyomuhendo, Daniel Ruffinelli, null Akshata, Manuel Goulão, Ej Zhou, Ingrid Gabriela Franco Ramirez, Cristina Aggazzotti, Konstantin Dobler, Jun Kevin, Quentin Pagès, Nicholas Andrews, Nuhu Ibrahim, Mattes Ruckdeschel, Amr Keleg, Mike Zhang, Casper Rufaro Muziri, Saron Samuel, Sotaro Takeshita, Kun Kerdthaisong, Luca Foppiano, Rasul Dent, Tommaso Green, Ahmad Mustapha Wali, Kamohelo Makaaka, Vicky Feliren, Inshirah Idris, Hande Celikkanat, Abdulhamid Abubakar, Jean Maillard, Benoît Sagot, Thibault Clérice, Kenton Murray, Sarah K. K. Luger
Challenge: Language identification (LID) is a fundamental step in curating multilingual corpora.
Approach: They introduce CommonLID, a community-driven, human-annotated LID benchmark for the web domain, covering 109 languages.
Outcome: The proposed benchmark covers 109 languages and shows that existing evaluations overestimate accuracy for many languages in the web domain.
PRBench: Large-Scale Expert Rubrics for Evaluating High-Stakes Professional Reasoning (2026.acl-long)

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Challenge: Frontier models often lack a view of performance on open-ended, economically consequential tasks in high-stakes professional domains where practical returns matter most.
Approach: They introduce a professional reasoning benchmark that recruits 182 qualified professionals to contribute questions inspired by their workflows.
Outcome: The proposed model outperforms other models in 114 countries and 47 US jurisdictions on hard subsets.
A Computational Method for Measuring Open Codes in Qualitative Analysis (2026.findings-acl)

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Challenge: Qualitative analysis is widely adopted across many social science disciplines.
Approach: They propose a theory-informed computational method for measuring inductive coding results from humans and GAI.
Outcome: The proposed method captures breadth, consensus, unique contribution, and systematic deviation without assuming ground truth.
REIC: RAG-Enhanced Intent Classification at Scale (2025.emnlp-industry)

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Challenge: Accurate intent classification is critical for efficient routing in customer service . however, as companies expand their product lines, intent classification faces scalability challenges .
Approach: They propose a retrieval-augmented generation Enhanced Intent Classification approach which leverages retrieval augmented generation to integrate relevant knowledge into a model.
Outcome: The proposed approach outperforms fine-tuning, zero-shot, and few-shot methods on real-world datasets.
JailbreakRadar: Comprehensive Assessment of Jailbreak Attacks Against LLMs (2025.acl-long)

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Challenge: Large language models (LLMs) have been used to mitigate misuse and to align with human values.
Approach: They propose to use large-scale evaluations of various jailbreak attacks to identify key patterns and test them under eight advanced defenses.
Outcome: The proposed attacks achieve high success rates but are easy to mitigate by defenses.
Composite Backdoor Attacks Against Large Language Models (2024.findings-naacl)

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Challenge: Large language models (LLMs) have demonstrated superior performance on various tasks, but untrustworthy third-party LLMs may covertly introduce vulnerabilities for downstream tasks.
Approach: They propose a composite backdoor attack that scatters multiple trigger keys in different prompt components.
Outcome: The proposed attack achieves 100% Attack Success Rate (ASR) with a False Triggered Rate (FTR) below 2.06% and negligible model accuracy degradation.
Are We in the AI-Generated Text World Already? Quantifying and Monitoring AIGT on Social Media (2025.acl-long)

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Challenge: Social media platforms are experiencing a growing presence of AI-Generated Texts (AIGTs) however, the misuse of AIGTs could have profound implications for public opinion .
Approach: They collect a dataset with 2.4M posts from 3 major social media platforms . they then construct a diverse dataset to train and evaluate AIGT detectors .
Outcome: The proposed dataset analyzes 2.4M posts from 3 major social media platforms from 2022 to 2024 . it finds that Medium and Quora show marked increases in AAR .
Commonsense Inference in Natural Language Processing (COIN) - Shared Task Report (D19-60)

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Challenge: The workshop on Commonsense Inference in NLP (COIN) evaluated text understanding systems' ability to draw inferences about facts that are not mentioned in the text, but that are assumed to be common ground.
Approach: They propose to use commonsense knowledge to evaluate systems' ability to answer questions/queries about a text.
Outcome: The proposed tasks evaluated systems in two contexts: Commonsense Inference and Commonsensible Inference.
ProPy: Building Interactive Prompt Pyramids upon CLIP for Partially Relevant Video Retrieval (2025.findings-emnlp)

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Challenge: Existing models for PRVR use unimodal features, but powerful pretrained vision-language models like CLIP are underexplored.
Approach: ProPy is a model with systematic architectural adaptation of CLIP specifically designed for PRVR.
Outcome: ProPy outperforms existing models on three public datasets in terms of performance on the datasets.
BinaryBERT: Pushing the Limit of BERT Quantization (2021.acl-long)

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Challenge: Recent pre-trained language models have achieved remarkable performance improvement in various tasks, but the improvement generally comes at the cost of increasing model size and computation.
Approach: They propose a binary quantization technique which initializes binaryBERT by splitting from a ternary network.
Outcome: The proposed model achieves state-of-the-art performance on the GLUE and SQUAD benchmarks while being 24x smaller.
Graph-Guided Textual Explanation Generation Framework (2025.emnlp-main)

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Challenge: Existing work has questioned their faithfulness, as they may not accurately reflect the model’s internal reasoning process regarding its predicted answer.
Approach: They propose a Graph-Guided Textual Explanation Generation framework that generates a graph neural network layer that guides the NLE generation and generates explanations with greater semantic and lexical similarity to human-written ones.
Outcome: The proposed framework improves NLE faithfulness by up to 12.12% compared to baseline methods on encoder-decoder and decoder-only models.
DE-CLIP: Few-Shot Anomaly Detection via Difference-Guided Embedding Editing (2026.acl-long)

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Challenge: Existing approaches to detect anomalies are limited due to the lack of anomalous samples .
Approach: They propose a framework that edits text embeddings based on the differences between normal and anomalous samples.
Outcome: The proposed framework achieves 96.6% and 96.99% AUROC on MVTec datasets.
InferPilot: Autonomous Inference Attacks Against ML Services With LLM-Based Agents (2026.findings-acl)

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Challenge: Inference attacks are important for assessing model's robustness, but their implementation and parameters are challenging for non-experts.
Approach: They propose an autonomous agent capable of conducting inference attacks without human intervention.
Outcome: The proposed agent achieves a 100.0% task completion rate and near-expert attack performance with an average token cost of only 0.627 per run.
A Generalizable Rhetorical Strategy Annotation Model Using LLM-based Debate Simulation and Labelling (2025.findings-emnlp)

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Challenge: Rhetorical strategies are important to persuasive communication, but their analysis relies on human annotation, which is costly, inconsistent and difficult to scale.
Approach: They propose a framework that leverages large language models to generate and label debate data . they fine-tune transformer-based classifiers on this dataset and validate it against human data a .
Outcome: The proposed model achieves high performance and strong generalization across topical domains.
UniSumm and SummZoo: Unified Model and Diverse Benchmark for Few-Shot Summarization (2023.acl-long)

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Challenge: a new benchmark summarization model is being developed to train few-shot summarizers . a large number of summarizing tasks are required to perform well in heterogeneous datasets.
Approach: They propose a few-shot summarization model pre-trained with multiple summarizing tasks . they propose 'uniSumm' to be prefix-tuned to excel at any few-shot summarisation task .
Outcome: The proposed model outperforms baseline models under automatic and human evaluations and achieves comparable results in human evaluation.
Enhancing LLM-Based Persuasion Simulations with Cultural and Speaker-Specific Information (2025.findings-emnlp)

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Challenge: Existing approaches to persuasive dialogue generation suffer from stance oscillation and low informativeness.
Approach: They propose reinforced instructional prompting, a method that ensures speaker characteristics consistently guide all stages of dialogue generation.
Outcome: The proposed method ensures speaker characteristics guide all stages of dialogue generation and aligns language use with speakers’ native languages to better capture cultural nuances.
WorldCuisines: A Massive-Scale Benchmark for Multilingual and Multicultural Visual Question Answering on Global Cuisines (2025.naacl-long)

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Challenge: Vision Language Models struggle with cultural-specific knowledge, especially in languages other than English and in underrepresented cultural contexts.
Approach: They propose a visual question answering (VQA) dataset with text-image pairs across 30 languages and dialects and a training dataset.
Outcome: The proposed model performs better with correct location context, but struggles with adversarial contexts and predicting specific regional cuisines and languages.
One Document, Many Revisions: A Dataset for Classification and Description of Edit Intents (2022.lrec-1)

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Challenge: Existing methods to understand revisions have failed to provide a deeper understanding of the nature of these edits.
Approach: They propose to use a Wikipedia revision history dataset to train a classifier that achieves a 90% accuracy in identifying edit intent and a distantly-supervised model that generates .
Outcome: The proposed model achieves 90% accuracy in identifying edit intent and a best score of 28 ROUGE.
ModSCAN: Measuring Stereotypical Bias in Large Vision-Language Models from Vision and Language Modalities (2024.emnlp-main)

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Challenge: Large vision-language models have been widely used but stereotypical biases are unexplored.
Approach: They propose a framework to SCAN stereotypical bias within large vision-language models . they examine stereotype biases with respect to gender and race in three scenarios .
Outcome: The proposed framework can reduce stereotypical biases in large vision-language models . the currently popular models show significant stereotype biase .
ConvLab-3: A Flexible Dialogue System Toolkit Based on a Unified Data Format (2023.emnlp-demo)

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Challenge: Existing tools for building TOD systems often lack a user-friendly interface . a toolkit with advanced, easily integrable modules is needed to bridge this gap .
Approach: They propose a multifaceted dialogue system toolkit that integrates diverse datasets and models with a streamlined training process and in-depth evaluation tools.
Outcome: The proposed toolkit combines RL and transfer learning to support the rapid development and evaluation of robust dialogue policies.
MACSum: Controllable Summarization with Mixed Attributes (2023.tacl-1)

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Challenge: Existing work on controllable summarization with mixed attributes lacks designated annotations.
Approach: They propose a human-annotated summarization benchmark for controllable summarizing with mixed attributes based on news and dialogue sources .
Outcome: The proposed dataset contains human-annotated summarization datasets with mixed attributes . hard prompt models yield the best performance on most metrics and human evaluations . mixed-attribute control is still challenging for summarizing tasks .
GEMv2: Multilingual NLG Benchmarking in a Single Line of Code (2022.emnlp-demos)

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Challenge: Evaluations in machine learning rarely use the latest metrics, datasets, or human evaluation in favor of remaining compatible with prior work.
Approach: They propose to use the Generation, Evaluation, and Metrics Benchmark to integrate new evaluation methods into existing evaluations.
Outcome: The proposed evaluation infrastructure bridges the gap between the advantages of leaderboards and in-depth and evolving evaluations by allowing model developers to benefit from each other's work.
Crowdsource, Crawl, or Generate? Creating SEA-VL, a Multicultural Vision-Language Dataset for Southeast Asia (2025.acl-long)

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Samuel Cahyawijaya, Holy Lovenia, Joel Ruben Antony Moniz, Tack Hwa Wong, Mohammad Rifqi Farhansyah, Thant Thiri Maung, Frederikus Hudi, David Anugraha, Muhammad Ravi Shulthan Habibi, Muhammad Reza Qorib, Amit Agarwal, Joseph Marvin Imperial, Hitesh Laxmichand Patel, Vicky Feliren, Bahrul Ilmi Nasution, Manuel Antonio Rufino, Genta Indra Winata, Rian Adam Rajagede, Carlos Rafael Catalan, Mohamed Fazli Mohamed Imam, Priyaranjan Pattnayak, Salsabila Zahirah Pranida, Kevin Pratama, Yeshil Bangera, Adisai Na-Thalang, Patricia Nicole Monderin, Yueqi Song, Christian Simon, Lynnette Hui Xian Ng, Richardy Lobo Sapan, Taki Hasan Rafi, Bin Wang, null Supryadi, Kanyakorn Veerakanjana, Piyalitt Ittichaiwong, Matthew Theodore Roque, Karissa Vincentio, Takdanai Kreangphet, Phakphum Artkaew, Kadek Hendrawan Palgunadi, Yanzhi Yu, Rochana Prih Hastuti, William Nixon, Mithil Bangera, Adrian Xuan Wei Lim, Aye Hninn Khine, Hanif Muhammad Zhafran, Teddy Ferdinan, Audra Aurora Izzani, Ayushman Singh, Evan Evan, Jauza Akbar Krito, Michael Anugraha, Fenal Ashokbhai Ilasariya, Haochen Li, John Amadeo Daniswara, Filbert Aurelian Tjiaranata, Eryawan Presma Yulianrifat, Can Udomcharoenchaikit, Fadil Risdian Ansori, Mahardika Krisna Ihsani, Giang Nguyen, Anab Maulana Barik, Dan John Velasco, Rifo Ahmad Genadi, Saptarshi Saha, Chengwei Wei, Isaiah Edri W. Flores, Kenneth Chen Ko Han, Anjela Gail D. Santos, Wan Shen Lim, Kaung Si Phyo, Tim Santos, Meisyarah Dwiastuti, Jiayun Luo, Jan Christian Blaise Cruz, Ming Shan Hee, Ikhlasul Akmal Hanif, M.Alif Al Hakim, Muhammad Rizky Sya’ban, Kun Kerdthaisong, Lester James Validad Miranda, Fajri Koto, Tirana Noor Fatyanosa, Alham Fikri Aji, Jostin Jerico Rosal, Jun Kevin, Robert Wijaya, Onno P. Kampman, Ruochen Zhang, Börje F. Karlsson, Peerat Limkonchotiwat
Challenge: Southeast Asia is underrepresented in vision-language research . SEA-VL is an open-source initiative dedicated to developing culturally relevant datasets for SEA languages.
Approach: They propose to use crowdsourced, automated image crawling and synthetic image generation to develop culturally relevant datasets for SEA languages.
Outcome: The proposed datasets capture SEA cultural nuances and contexts better than existing datasets.
SituatedQA: Incorporating Extra-Linguistic Contexts into QA (2021.emnlp-main)

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Challenge: Existing models struggle with producing answers that are frequently updated or from uncommon locations.
Approach: They propose an open-retrieval QA dataset where systems must produce the correct answer given the context.
Outcome: The proposed dataset shows that existing models struggle with producing answers that are frequently updated or from uncommon locations.
Modeling the Relationship between User Comments and Edits in Document Revision (D19-1)

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Challenge: Managing collaborative documents can be difficult due to the profusion of edits and comments that multiple authors make during a document’s evolution.
Approach: They propose a hierarchical multi-layer deep neural network to model the relationship between edits and comments by encoding specific edit actions such as additions and deletions while accounting for document context.
Outcome: The proposed model outperforms baselines in a number of evaluation settings and achieves a precision@1 of 71.0% and precision@3 of 94.4% for Comment Ranking while achieving 74.4% accuracy on Edit Anchoring.
The Art of (Mis)alignment: How Fine-Tuning Methods Effectively Misalign and Realign LLMs in Post-Training (2026.findings-acl)

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Challenge: Misaligned large language models can magnify harm by exploiting them to undermine safety . et al., 2022b; Bai e.t., 2023): misalignment, realignment and model-specific resistance are important .
Approach: They evaluate four methods to identify a mechanism asymmetry between attack and defense . they find that ORPO is most effective for misalignment, but DPO excels in realignment .
Outcome: The proposed methods show a mechanism asymmetry between attack and defense . the proposed methods excel in realignment, but at the expense of model utility .
Peering Behind the Shield: Guardrail Identification in Large Language Models (2026.findings-acl)

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Challenge: Identifying guardrails in conversational AI agents is critical for identifying malicious content . identifying guardrail components in black-box AI agents poses security challenges .
Approach: They propose a method that leverages guard-specific adversarial prompts to detect guardrails in black-box AI agents.
Outcome: The proposed method achieves perfect classification accuracy in multiple scenarios.
PRewrite: Prompt Rewriting with Reinforcement Learning (2024.acl-short)

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Challenge: Prompt engineering is done manually in a trial-and-error ad-hoc fashion, authors say .
Approach: They propose a method to rewrite an under-optimized prompt to a more effective prompt.
Outcome: The proposed method rewrites an under-optimized prompt to a more effective prompt.
PLaD: Preference-based Large Language Model Distillation with Pseudo-Preference Pairs (2024.findings-acl)

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Challenge: Knowledge distillation (KD) is a technique for transferring expertise from large teacher models to compact student models with reduced memory footprints and inference costs.
Approach: They propose to transfer knowledge from large teacher models to compact student models by exploiting teacher-student capacity discrepancies to generate pseudo-preference pairs where teacher outputs are preferred over student outputs.
Outcome: The proposed framework exploits teacher-student capacity discrepancy to generate pseudo-preference pairs where teacher outputs are preferred over student outputs.
Accelerating Code Search with Deep Hashing and Code Classification (2022.acl-long)

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Challenge: Code search is to search reusable code snippets from source code corpus based on natural languages queries.
Approach: They propose a method to accelerate code search with deep hashing and code classification by using deep hashes and code hash.
Outcome: The proposed method can save 90% of retrieval time while preserving at least 99% of retrievals accuracy.
MCSE: Multimodal Contrastive Learning of Sentence Embeddings (2022.naacl-main)

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Challenge: Existing approaches to learning semantically meaningful sentence embeddings are limited by the complexity of pre-trained models.
Approach: They propose a sentence embedding learning approach that exploits both visual and textual information via a multimodal contrastive objective.
Outcome: The proposed approach improves the state-of-the-art average Spearman’s correlation by 1.7% on a variety of semantic textual similarity tasks.
Creator Context for Tweet Recommendation (2023.emnlp-industry)

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Challenge: In tweets, people refer to the content it delivers, but also to the person behind it.
Approach: They examine how creator context can be used to advance tweet understanding by recommending relevant tweets to news articles.
Outcome: The proposed model can improve a news article's relevance by recommending relevant tweets to news articles.
Adapting LLM Agents with Universal Communication Feedback (2025.findings-naacl)

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Challenge: Recent advances in large language models (LLMs) have demonstrated potential for LLM agents.
Approach: They propose a universal buffer and iterative pipeline to store feedback and itersative pipelines to enable LLM agents to explore and update their policy in an environment.
Outcome: The proposed approach outperforms supervised instruction fine-tuning baselines on four datasets.
Selectively Answering Ambiguous Questions (2023.emnlp-main)

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Challenge: Prior work has focused on the case in which the question is clear and the answer is unambiguous but possibly unknown.
Approach: They propose to use a sampled set of questions to calibrate answers to ambiguous questions with varying model scales.
Outcome: The results show that sampling-based confidence scores help calibrate answers to relatively unambiguous questions, with more dramatic improvements on ambiguous ones.
Pruning Unsafe Tickets: A Resource-Efficient Framework for Safer and More Robust LLMs (2026.acl-long)

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Challenge: Empirical evaluations on ML models show substantial reductions in unsafe generations and improved robustness against jailbreak attacks.
Approach: They propose a resource-efficient pruning framework that directly identifies unsafe behaviors while preserving model utility.
Outcome: The proposed framework reduces unsafe generations and improves robustness against jailbreak attacks with minimal utility loss.
Open Schrödinger’s Closed Box: Identifying Retrieval Augmented Generation in API-Accessible Large Language Model Services (2026.acl-long)

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Challenge: Large language models (LLMs) are powerful at question-answering but prone to hallucinations due to limited domain-specific or up-to-date knowledge.
Approach: They propose a framework for IDentifying RAG properties in LLM services that integrates LLMs with retrieval systems and adds an external retriever and knowledge database to mitigate hallucinations.
Outcome: The proposed framework detects RAG-enhanced LLMs with 99.97% accuracy with partial or no optional knowledge and nearly 100% when the LLM and database are known.
Rich Knowledge Sources Bring Complex Knowledge Conflicts: Recalibrating Models to Reflect Conflicting Evidence (2022.emnlp-main)

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Challenge: Existing work on question answering models relies on retrieved documents for provenance, but recent studies show that models can retain vast amounts of factual knowledge . retrieval-based generation approaches combine parametric knowledge sources with a large number of retrieved evidence documents, achieving state-of-the-art performance on open retrieval datasets.
Approach: They propose to use parametric and parametric knowledge to generate free-form questions from retrieved evidence documents.
Outcome: The proposed model can use parametric and parametric knowledge to generate free-form answers from retrieved evidence documents.
AlphaEdit+: Model Editing in the Presence of Conflicting and Inconsistent Knowledge (2026.findings-acl)

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Challenge: Existing methods for knowledge editing struggle with knowledge conflicts and inconsistencies.
Approach: They propose a new method for knowledge editing that relaxes null-space constraints and introduces a weighting scheme to mitigate conflicts between new and historical knowledge.
Outcome: The proposed method outperforms existing methods on challenging datasets and outperformed existing methods.
On Second Thought, Let’s Not Think Step by Step! Bias and Toxicity in Zero-Shot Reasoning (2023.acl-long)

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Challenge: Prior work has focused on logical reasoning tasks; it remains unclear whether improvements hold for more diverse types of reasoning, especially in socially situated contexts.
Approach: They perform a controlled evaluation of zero-shot CoT reasoning in two socially sensitive domains: harmful questions and stereotype benchmarks.
Outcome: The results show that zero-shot CoT reasoning increases model’s likelihood to produce harmful or undesirable output, but decreases with improved instruction following.
Retrieval Augmented Generation or Long-Context LLMs? A Comprehensive Study and Hybrid Approach (2024.emnlp-industry)

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Challenge: Recent LLMs like Gemini-1.5 and GPT-4 show exceptional capabilities to understand long contexts directly.
Approach: They propose a method that routes queries to RAG or LC based on model self-reflection.
Outcome: The proposed method significantly reduces the computation cost while maintaining a comparable performance to RAG.
Analyzing the Role of Semantic Representations in the Era of Large Language Models (2024.naacl-long)

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Challenge: Existing studies show the benefits of semantic representations in NLP tasks . Existing work using AMR is concerned with trainable models .
Approach: They propose an AMR-driven chain-of-thought prompting method that uses AMR . they propose to use it to predict which input examples AMR may help or hurt on .
Outcome: The proposed method hurts performance more than it helps on five different tasks.
Jailbreaking Attacks vs. Content Safety Filters: How Far Are We in the LLM Safety Arms Race? (2026.findings-acl)

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Challenge: Existing studies have focused on the models, neglecting the full deployment pipeline . previous studies have underestimated the practical success of these attacks .
Approach: They evaluate the effectiveness of jailbreak attacks targeting LLM safety alignment . they highlight critical gaps and call for further refinement of detection accuracy and usability .
Outcome: The proposed attacks can detect at least one safety filter across the entire deployment pipeline.
AdaPrompt: Adaptive Model Training for Prompt-based NLP (2022.findings-emnlp)

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Challenge: Prompt-based learning can tackle zero-shot and few-shot NLP tasks . authors propose a method that makes use of pre-trained language models .
Approach: They propose to map NLP tasks into natural language prompts, which are then filled by pre-trained language models.
Outcome: The proposed method outperforms standard prompt-based methods in few-shot settings.
Rethinking Assessments of Prompt Injection Attacks (2026.findings-acl)

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Challenge: Prompt injection attacks are recognized as one of the primary risks faced by LLM-integrated applications in recent years.
Approach: They evaluate prompt injection attacks on LLM-integrated applications across 37 target tasks, 185 injected tasks, 21 attack instructions, and 143,745 queries.
Outcome: The proposed framework provides a solid foundation for assessing vulnerabilities in LLM-integrated applications and evaluating the efficacy of defensive strategies.
Discovering Language Model Behaviors with Model-Written Evaluations (2023.findings-acl)

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Challenge: Prior work creates evaluations with crowdwork or existing data sources, which are not always available.
Approach: They generate evaluations automatically with language models (LMs) using crowdwork or existing data sources to find out how they behave .
Outcome: The results show that large LMs repeat back a dialog user’s preferred answer and express greater desire to pursue concerning goals like resource acquisition and goal preservation.
Communication Makes Perfect: Persuasion Dataset Construction via Multi-LLM Communication (2025.naacl-long)

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Challenge: Large Language Models (LLMs) have shown proficiency in generating persuasive dialogue, yet concerns about the fluency and sophistication of their outputs persist.
Approach: They propose a multi-LLM communication framework that facilitates the efficient production of high-quality, diverse linguistic content with minimal human oversight.
Outcome: The proposed framework excels in naturalness, linguistic diversity, and the strategic use of persuasion, even in complex scenarios involving social taboos.
Unsupervised Multi-Granularity Summarization (2022.findings-emnlp)

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Challenge: Experimental results confirm the substantial superiority of GranuSum on multi-granularity summarization over strong baselines.
Approach: They propose to rank events by their salience and annotate a benchmark for GranuSum that contains multiple summaries at different granularities for each document cluster.
Outcome: The proposed framework is capable of producing multi-granular summaries in unsupervised manner over strong baselines.
Entity Cloze By Date: What LMs Know About Unseen Entities (2022.findings-naacl)

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Challenge: Existing literature provides benchmarks to measure LMs' knowledge about entities .
Approach: They propose a framework to analyze what language models can infer about new entities that did not exist when they were pretrained.
Outcome: The proposed framework shows that models more informed about the entities achieve lower perplexity on this benchmark.
Explanation-aware Soft Ensemble Empowers Large Language Model In-context Learning (2024.acl-long)

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Challenge: Recent advances in natural language processing (NLP) have witnessed the remarkable capabilities of Large Language Models (LLMs).
Approach: They propose an Explanation-Aware Soft Ensemble framework to empower in-context learning with Large language models.
Outcome: The proposed framework can be used to enhance in-context learning on seven natural language understanding tasks and four varying-size LLMs.
Task Compass: Scaling Multi-task Pre-training with Task Prefix (2022.findings-emnlp)

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Challenge: Existing studies show that multi-task learning with large-scale supervised tasks suffers from negative effects across tasks.
Approach: They propose a task prefix guided multi-task pre-training framework to explore the relationships among tasks.
Outcome: The proposed model can be used as a foundation backbone for a wide range of tasks and as augmentation tool for data augmentation with complementary tasks.
Can LMs Learn New Entities from Descriptions? Challenges in Propagating Injected Knowledge (2023.acl-long)

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Challenge: Existing methods for updating knowledge show little propagation of injected knowledge.
Approach: They propose to inject individual facts into LMs and evaluate whether they can propagate injected facts while not changing predictions on other contexts.
Outcome: The proposed model can make inferences based on injected facts and propagate them . existing methods show little propagation of injected knowledge .
Bridging the Preference Gap between Retrievers and LLMs (2024.acl-long)

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Challenge: Existing studies on retrievers and LLMs treat them as separate components . a novel bridge model is proposed to optimize the relationship between the retriever and the LLM .
Approach: They propose a framework that chains together supervised and reinforcement learning to train a bridge model that optimizes the connection between the retriever and the LLM.
Outcome: Empirical results show that the proposed model optimizes the connection between the retriever and the LLM.
Reward Yourself: Efficient Self Rewards for Trustworthy Sampling (2026.findings-acl)

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Challenge: Retraining reward models to address privacy leaks and stereotypes is expensive . recent advances in large language models have led to improvements in understanding .
Approach: They propose a lightweight intrinsic reward that can be used to prune existing LLMs to approximate an "untrust" and an ""untrust "" token distribution.
Outcome: Experiments with two reward models and four LLMs show that selfRW improves trustworthiness with minimal impact on general utility benchmarks.
Causally Modeling the Linguistic and Social Factors that Predict Email Response (2025.naacl-long)

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Challenge: a key intent behind many emails is to get a reply from the recipient.
Approach: They propose to model the intents, expectations, and responsiveness in email exchanges by using a dataset containing 1800 emails annotated with nuanced types of intents and expectations.
Outcome: The proposed model is based on 1800 emails annotated with nuanced types of intents and expectations . it shows that social status, argumentation, and strength of social connection influence email response rates .
When GPT Spills the Tea: Comprehensive Assessment of Knowledge File Leakage in GPTs (2025.acl-long)

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Challenge: Existing studies show that adversarial prompts can induce GPTs to leak knowledge file content.
Approach: They propose a workflow inspired by Data Security Posture Management to identify five leakage vectors for knowledge file leakage using 651,022 GPT metadata and 11,820 flows.
Outcome: The proposed workflow analyzes 651,022 GPT metadata, 11,820 flows, and 1,466 responses to identify five leakage vectors: metadata, GPT initialization, retrieval, sandboxed execution environments, and prompts.
Reconstruct Your Previous Conversations! Comprehensively Investigating Privacy Leakage Risks in Conversations with GPT Models (2024.emnlp-main)

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Challenge: Existing GPT models allow users to interact with them for multiple rounds to optimize the task execution.
Approach: They propose a conversation reconstruction attack targeting the contents of previous conversations between GPT models and benign users, i.e., the benign users’ input contents during their interaction with GPT.
Outcome: The proposed attacks demonstrate that GPT-4's defense mechanisms are ineffective against these attacks.
PeerCheck: Enhancing LLM-Generated Academic Reviews Towards Human-Level Quality (2026.findings-acl)

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Challenge: Increasing use of large language models (LLMs) in academic review has raised concerns about quality and fairness.
Approach: They propose a framework to improve the quality of LLM-generated reviews by using retrieval-augmented generation.
Outcome: The proposed framework improves the human-level quality of LLM-generated reviews by adopting prompt engineering and retrieval-augmented generation.
Proofread: Fixes All Errors with One Tap (2024.acl-demos)

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Challenge: Extensive experiments on a human-labeled golden set showed our tuned PaLM2-XS model achieved 85.56% good ratio.
Approach: They propose a two-stage tuning approach to acquire the dedicated Large Language Model for the feature, followed by a reinforcement learning approach for targeted refinement.
Outcome: The proposed model achieves 85.56% good quality on Rewrite and proofread tasks on human-labeled golden sets.

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