Papers by Zhaowei Wang

26 papers
Simple Role Assignment is Extraordinarily Effective for Safety Alignment (2026.findings-acl)

Copied to clipboard

Challenge: a new study proposes a role-conditioned pipeline for value alignment . principles alone are incomplete, and they provide little guidance on when and how a value applies in context.
Approach: They propose a role-conditioned pipeline with role-based critics and a model-free approach that is based on role conditioning.
Outcome: The proposed approach outperforms principle-based, Chain-of-Thought and other benchmarks.
ConstraintChecker: A Plugin for Large Language Models to Reason on Commonsense Knowledge Bases (2024.eacl-long)

Copied to clipboard

Challenge: Reasoning over Commonsense Knowledge Bases (CSKBs) is a way to acquire new commonsense knowledge based on reference knowledge in original CSKB and external prior knowledge.
Approach: They propose a plugin to provide and check explicit relational constraints over prompting techniques.
Outcome: The proposed method improves on existing prompting techniques and CSKB reasoning.
UnifiedMLLM: Enabling Unified Representation for Multi-modal Multi-tasks With Large Language Model (2025.findings-naacl)

Copied to clipboard

Challenge: Representative models like LLaVA and MiniGPT-4 have great capabilities in various tasks.
Approach: They propose a unified model to represent various multi-modal tasks using a single representation.
Outcome: The proposed model outperforms existing models in a variety of tasks while maintaining generality and scalability.
LLMs Assist NLP Researchers: Critique Paper (Meta-)Reviewing (2024.emnlp-main)

Copied to clipboard

Challenge: a comparative analysis of paper (meta-)reviews by large language models (LLMs) aims to identify and distinguish LLMs from human activities .
Approach: They present a comparative analysis to identify and distinguish LLM activities from human activities.
Outcome: The proposed analysis aims to improve recognition of instances when someone implicitly uses LLMs for reviewing activities.
AdDriftBench: A Benchmark for Detecting Data Drift and Label Drift in Short Video Advertising (2025.findings-emnlp)

Copied to clipboard

Challenge: Short video advertising scenarios present unique challenges due to data drift (DD) and label drift (LD).
Approach: They propose to use data drift and label drift to evaluate models under rapidly shifting content distributions and labeling scenarios to assess their generalization capabilities.
Outcome: The proposed model performs moderately in short video advertising contexts, particularly in handling fine-grained semantics and adapting to shifting instructions.
Neutralizing Bias in LLM Reasoning using Entailment Graphs (2025.findings-acl)

Copied to clipboard

Challenge: Natural Language Inference (NLI) is a foundational understanding task in language understanding.
Approach: They propose a framework to construct counterfactual reasoning data and fine-tune LLMs to reduce attestation bias.
Outcome: The proposed framework reduces hallucinations from attestation bias on original and bias-neutralized datasets while keeping hypotheses unchanged.
KCTS: Knowledge-Constrained Tree Search Decoding with Token-Level Hallucination Detection (2023.emnlp-main)

Copied to clipboard

Challenge: Existing studies indicate that language models generate non-factual information that is not supported by evidence with a high level of confidence.
Approach: They propose a knowledge-constrained decoding method that guides a frozen LLM to generate text aligned with the reference knowledge at each decoding step.
Outcome: The proposed method reduces the risk of misinformation generated by LLMs by reducing training costs and catastrophic forgetting for multi-tasking models.
AbsPyramid: Benchmarking the Abstraction Ability of Language Models with a Unified Entailment Graph (2024.findings-naacl)

Copied to clipboard

Challenge: Existing language models only touch nouns or verbs within simplified events or specific domains.
Approach: They propose an entailment graph that collects abstract knowledge for 3 components of diverse events to comprehensively evaluate the abstraction ability of language models.
Outcome: The proposed benchmark improves LLMs across two previous abstraction tasks.
Advancing Fine-Grained Visual Understanding with Multi-Scale Alignment in Multi-Modal Models (2025.emnlp-main)

Copied to clipboard

Challenge: Recent advances in multi-modal large language models have demonstrated remarkable capabilities in multimodal understanding, reasoning, and interaction.
Approach: They propose a method that effectively aligns and integrates multi-scale knowledge of objects . they use a pipeline that provides over 300K essential training data to enhance alignment .
Outcome: The proposed method effectively aligns and integrates multi-scale knowledge of objects, including texts, coordinates, and images.
GroundingGPT: Language Enhanced Multi-modal Grounding Model (2024.acl-long)

Copied to clipboard

Challenge: Existing multi-modal large language models focus on capturing global information while neglecting the fine-grained local information in multimodal inputs.
Approach: They propose an end-to-end language enhanced multi-modal grounding model that performs fine-grained grounding tasks for image, video and audio.
Outcome: The proposed model achieves impressive fine-grained understanding of multi-modal inputs while maintaining or improving its global comprehension capabilities.
S2LPP: Small-to-Large Prompt Prediction across LLMs (2025.findings-emnlp)

Copied to clipboard

Challenge: a small model can be used to select effective prompt templates for a larger model.
Approach: They propose a method to use a smaller model to select effective prompt templates for a larger model.
Outcome: The proposed method significantly reduces the cost of prompt engineering while matching performance with optimal prompts among candidates.
Decoupled Proxy Alignment: Mitigating Language Prior Conflict for Multimodal Alignment in MLLMs (2025.findings-emnlp)

Copied to clipboard

Challenge: Recent advances in multimodal large language models focus on improving performance . however, language prior conflict leads to suboptimal vision-language alignment .
Approach: They propose a method to decouple the alignment process from language prior interference . they use a proxy LLM to detach from language interference during pretraining .
Outcome: The proposed method improves training performance and generalizes training data.
DivScene: Towards Open-Vocabulary Object Navigation with Large Vision Language Models in Diverse Scenes (2025.findings-emnlp)

Copied to clipboard

Challenge: Large Vision-Language Models (LVLMs) have achieved significant progress in tasks like visual question answering and document understanding.
Approach: They introduce DivScene, a large-scale dataset with 4,614 houses across 81 scene types and 5,707 kinds of target objects.
Outcome: The proposed dataset provides a much greater diversity of target objects and scene types than existing datasets, enabling a comprehensive task evaluation.
COLA: Contextualized Commonsense Causal Reasoning from the Causal Inference Perspective (2023.acl-long)

Copied to clipboard

Challenge: Existing efforts to detect commonsense causation from the causal inference perspective are inadequate to seize commonsensical causations.
Approach: They propose a task to detect commonsense causation between two events in context . they propose 'contextualized commons sense causal reasoning' framework that uses covariates to remove confounding effects .
Outcome: The proposed framework can detect commonsense causality more accurately than baselines.
SubeventWriter: Iterative Sub-event Sequence Generation with Coherence Controller (2022.emnlp-main)

Copied to clipboard

Challenge: In this paper, we propose a new task of sub-event generation for an unseen process . we use a framework to generate coherent sub-Event sequences for unseened processes .
Approach: They propose a task of sub-event generation for an unseen process to evaluate the understanding of the coherence of subevent actions and objects.
Outcome: The proposed framework can generate coherent sub-event sequences for unseen processes . it can also decode more coherent subevents, demonstrating its effectiveness .
AbsInstruct: Eliciting Abstraction Ability from LLMs through Explanation Tuning with Plausibility Estimation (2024.acl-long)

Copied to clipboard

Challenge: Existing work shows that LLMs are deficient in abstract ability, and how to improve it remains unexplored.
Approach: They propose a framework AbsInstruct to enhance LLMs’ abstract ability through instruction tuning.
Outcome: The proposed framework can enhance LLMs’ abstraction ability with strong generalization performance while maintaining their general instruction-following abilities.
ComparisonQA: Evaluating Factuality Robustness of LLMs Through Knowledge Frequency Control and Uncertainty (2025.findings-acl)

Copied to clipboard

Challenge: Existing studies on LLMs' factual knowledge are unreliable since the questions can vary not only in entity frequency but also in difficulty themselves.
Approach: They propose a benchmark to study the role of knowledge frequency in the performance of large language models (LLMs) it aims to avoid possible semantic shortcuts which is a serious problem of current QA study.
Outcome: The proposed method avoids possible semantic shortcuts and improves on existing proofs.
VisFinEval: A Scenario-Driven Chinese Multimodal Benchmark for Holistic Financial Understanding (2025.emnlp-main)

Copied to clipboard

Challenge: Existing benchmarks focus on text comprehension, but MLLMs lack the ability to integrate visual data over financial visuals.
Approach: They evaluate 21 state-of-the-art multimodal large language models in a zero-shot setting . they use an annotated question–answer pair from eight common financial image modalities .
Outcome: The new benchmark outperforms existing models but trailed financial experts by 14 percentage points.
Getting Sick After Seeing a Doctor? Diagnosing and Mitigating Knowledge Conflicts in Event Temporal Reasoning (2024.findings-naacl)

Copied to clipboard

Challenge: Event temporal reasoning aims at identifying the temporal relations between two or more events from narratives.
Approach: They propose to detect knowledge conflicts in event temporal reasoning using bias indicators such as event relation prior bias, tense bias, narrative bias, and dependency bias.
Outcome: The proposed method can be applied to Pre-trained Language Models and Large Language Model (LLMs) as additional training data or demonstrations for In- Context Learning.
Gold: A Global and Local-aware Denoising Framework for Commonsense Knowledge Graph Noise Detection (2023.findings-emnlp)

Copied to clipboard

Challenge: Existing methods to construct CSKGs with large semantic coverage are expensive and introduce spurious noise.
Approach: They propose a denoising framework that incorporates entity semantic information, global rules, and local structural information from the CSKG.
Outcome: The proposed framework outperforms baseline methods in noise detection tasks on synthetic noisy CSKG benchmarks.
CLLMate: A Multimodal Benchmark for Weather and Climate Events Forecasting (2025.emnlp-main)

Copied to clipboard

Challenge: Existing environmental forecasting research focuses on predicting numerical meteorological variables, neglecting the translation of these variables into actionable textual narratives of events and their consequences.
Approach: They propose a task that leverages numerical meteorological raster data and textual event data to predict weather and climate events.
Outcome: The proposed task leverages numerical meteorological raster data and textual event data to predict weather and climate events.
CANDLE: Iterative Conceptualization and Instantiation Distillation from Large Language Models for Commonsense Reasoning (2024.acl-long)

Copied to clipboard

Challenge: Existing approaches to generalize commonsense reasoning lack instantiated knowledge and require pre-built concept taxonomies and annotations.
Approach: They propose a framework that iteratively performs contextualized conceptualization and instantiation over commonsense knowledge bases by instructing large language models to generate both types of knowledge with critic filtering.
Outcome: Empirical results show that distilling CANDLE on student models provides benefits across three downstream tasks.
UnifiedVisual: A Framework for Constructing Unified Vision-Language Datasets (2025.emnlp-main)

Copied to clipboard

Challenge: Existing datasets address understanding and generation in isolation, limiting the performance of unified vision large language models.
Approach: They propose a dataset that facilitates mutual enhancement between multimodal understanding and generation.
Outcome: The proposed framework integrates diverse visual and textual inputs and outputs, enabling comprehensive cross-modal reasoning and precise text-to-image alignment.
FinEval: A Chinese Financial Domain Knowledge Evaluation Benchmark for Large Language Models (2025.naacl-long)

Copied to clipboard

Challenge: Large language models have demonstrated outstanding performance in various natural language processing tasks, but their security capabilities in the financial domain have not been explored.
Approach: They propose to use a benchmark to evaluate large language models' financial domain knowledge and practical abilities.
Outcome: The proposed benchmark evaluates large language models' financial domain knowledge and practical abilities.
QCRD: Quality-guided Contrastive Rationale Distillation for Large Language Models (2025.emnlp-main)

Copied to clipboard

Challenge: Recent research has focused on smaller, task-specific models enhanced by distilling knowledge from LLMs, but the diversity and quality of negative knowledge remains understudied.
Approach: They propose a quality-guided contrastive rationale distillation framework that aims to enhance reasoning capabilities through contrastive knowledge learning.
Outcome: The proposed method consistently outperforms existing distillation techniques yielding higher-quality rationales.
Concept-Reversed Winograd Schema Challenge: Evaluating and Improving Robust Reasoning in Large Language Models via Abstraction (2025.naacl-short)

Copied to clipboard

Challenge: Recent research has revealed that Large Language Models (LLMs) often experience issues with hallucinations and unreliable reasoning due to semantic associations and superficial logical chains.
Approach: They propose a concept-reversed Winograd Schema Challenge dataset to evaluate the robustness of Large Language Models (LLMs) they propose Abstraction-of-Thought (AoT) method for recovering adversarial cases to normal cases using conceptual abstraction to improve LLMs’ robustness and consistency in reasoning.
Outcome: The proposed method improves LLMs’ robustness and consistency in reasoning under adversarial and long-tail scenarios.

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