Papers by Zhaoyang Wang

14 papers
Evaluating the Validity of Word-level Adversarial Attacks with Large Language Models (2024.findings-acl)

Copied to clipboard

Challenge: Existing adversarial examples can generate invalid adversarials due to significant changes in semantic meanings compared to their originals.
Approach: They propose to use a large language model to evaluate adversarial examples by semantic constraints.
Outcome: The proposed method can generate valid adversarial examples even when they are not equipped with semantic constraints.
Democratizing Reasoning Ability: Tailored Learning from Large Language Model (2023.emnlp-main)

Copied to clipboard

Challenge: Large language models (LLMs) exhibit impressive emergent abilities in natural language processing, but their democratization is hindered due to huge computation requirements and closed-source nature.
Approach: They propose a tailored learning approach to distill the exclusive reasoning ability to smaller LMs to facilitate democratization.
Outcome: The proposed approach enables the democratization of the exclusive reasoning ability by leveraging the black-box model as a reasoning teacher.
UECA-Prompt: Universal Prompt for Emotion Cause Analysis (2022.coling-1)

Copied to clipboard

Challenge: Existing methods adopt fine-tuning paradigm to solve certain types of ECA tasks. Existing models suffer from dataset bias.
Approach: They propose a universal prompt tuning method to solve different ECA tasks in a unified framework and a sequential learning module to ease the dataset bias.
Outcome: The proposed method achieves competitive performance on the ECA datasets.
TESTEVAL: Benchmarking Large Language Models for Test Case Generation (2025.findings-naacl)

Copied to clipboard

Challenge: Existing methods to generate test cases using large language models are limited in their ability to generate unit test cases.
Approach: They propose a test case generation benchmark that uses large language models to generate unit test cases.
Outcome: The proposed test case generation benchmarks compare LLMs with commercial and open-source LLM platforms and find that they lack the ability to comprehend program logic and execution paths.
RMLM: A Flexible Defense Framework for Proactively Mitigating Word-level Adversarial Attacks (2023.acl-long)

Copied to clipboard

Challenge: Existing defenses focus on improving robustness of the victim model in training, but neglect to mitigate adversarial attacks during inference.
Approach: They propose a framework that confuses attackers and corrects adversarial contexts . their framework helps improve the robustness of the victim model during inference .
Outcome: The proposed framework improves the robustness of the victim model in training . it also corrects abnormal contexts in the representation level and filtering out examples .
MMAU: A Holistic Benchmark of Agent Capabilities Across Diverse Domains (2025.findings-naacl)

Copied to clipboard

Challenge: Existing benchmarks focus on specific application scenarios, emphasizing task completion but failing to dissect the underlying skills that drive these outcomes.
Approach: They propose a Massive Multitask Agent Understanding benchmark that evaluates LLMs across five domains and offline tasks.
Outcome: The Massive Multitask Agent Understanding (MMAU) benchmark evaluates models across five domains including Tool-use, Directed Acyclic Graph (DAG) QA, Data Science and Machine Learning coding, Contest-level programming and Mathematics.
OS-Symphony: A Holistic Framework for Robust and Generalist Computer-Using Agents (2026.acl-long)

Copied to clipboard

Challenge: Vision-Language Models (VLMs) lack visual-aware tutorial retrieval and historical visual context curation and pruning.
Approach: They propose a framework that integrates an orchestrator and a Reflection-Memory Agent for robust automation.
Outcome: Experimental results show that OS-Symphony delivers substantial performance gains across model scales.
All Changes May Have Invariant Principles: Improving Ever-Shifting Harmful Meme Detection via Design Concept Reproduction (2026.acl-long)

Copied to clipboard

Challenge: Existing methods for harmful meme detection only learn the combination of harmful elements and lack understanding of these implicit expressions.
Approach: They propose a method that detects harmful memes by replicating the design concept of malicious users.
Outcome: The proposed method achieves the highest accuracy with 81.1% and has slight accuracy decreases when generalized to type-shifting and temporal-evolving memes.
Know Thy Enemy: Securing LLMs Against Prompt Injection via Diverse Data Synthesis and Instruction-Level Chain-of-Thought Learning (2026.findings-acl)

Copied to clipboard

Challenge: Large language model (LLM)-integrated applications face security vulnerabilities from prompt injection (PI) attacks.
Approach: They propose a model enhancement method that synthesizes diverse training data and employs instruction-level chain-of-thought fine-tuning to enable LLMs to effectively identify and reject malicious instructions regardless of their source or position in the context.
Outcome: The proposed method outperforms baselines in three critical dimensions while maintaining utility performance without degradation.
SynthAgent: Adapting Web Agents with Synthetic Supervision (2026.acl-long)

Copied to clipboard

Challenge: Existing studies have focused on synthetic supervision but have encountered data quality issues.
Approach: They propose a fully synthetic supervision framework that aims at improving data quality via dual refinement of both tasks and trajectories.
Outcome: The proposed framework outperforms existing methods on standardized benchmarks and shows promising results on a standardized test.
Wait, We Don’t Need to “Wait”! Removing Thinking Tokens Improves Reasoning Efficiency (2025.findings-emnlp)

Copied to clipboard

Challenge: Recent advances in large reasoning models often introduce significant overthinking . this leads to verbose and redundant outputs that hinder efficiency.
Approach: They propose a plug-and-play solution that disables explicit self-reflection . it suppresses tokens such as "Wait" and "Hmm" during inference .
Outcome: The proposed approach reduces chain-of-thought trajectory length by up to 27%–51% in five R1-style model series without compromising model utility.
Verifiable Format Control for Large Language Model Generations (2025.findings-naacl)

Copied to clipboard

Challenge: Existing methods focus on benchmarking general instruction following while overlooking how to improve specific format following ability for small LLMs.
Approach: They propose to synthesize massive datasets to improve LLMs' format following abilities by using a verifiable format following feature.
Outcome: The proposed method improves the format following ability of small LLMs with about 7B parameters.
Enhancing Visual-Language Modality Alignment in Large Vision Language Models via Self-Improvement (2025.findings-naacl)

Copied to clipboard

Challenge: Existing methods for visual and language alignment depend on external models or data, leading to uncontrollable and unstable results.
Approach: They propose a framework that enhances visual and language alignment without external dependencies by incorporating an in-context self-critic mechanism that constructs preference pairs for tuning.
Outcome: The proposed framework outperforms existing methods and improves performance on 14 hallucination and comprehensive benchmarks.
Synergistic Weak-Strong Collaboration by Aligning Preferences (2025.acl-long)

Copied to clipboard

Challenge: Current Large Language Models excel in general reasoning yet struggle with specialized tasks requiring proprietary or domain-specific knowledge.
Approach: They propose a collaborative framework that pairs a specialized weak model with a general strong model to optimize collaboration.
Outcome: The proposed framework outperforms each model alone by leveraging complementary strengths.

What is GenGO?

GenGO is an NLP powered publication search system. It currenctly indexes 30k+ papers from ACL Anthology, and implements multi-aspect summarization, semantic search, and more!

Information

About
Limitations