Papers by Wenqiao Zhang

13 papers
ITERATE: Image-Text Enhancement, Retrieval, and Alignment for Transmodal Evolution with LLMs (2025.coling-main)

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Challenge: a new framework for visual annotation of text-based questions is needed to improve performance . obtaining corresponding images through manual annotation often entails high costs .
Approach: They propose a framework that uses visual modality to enhance the performance of text-based questions.
Outcome: The proposed framework improves the alignment between text and images by using search engines or web scraping techniques.
End-to-End Modeling via Information Tree for One-Shot Natural Language Spatial Video Grounding (2022.acl-long)

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Challenge: Existing methods for grounding video frames with dense annotations require enormous amount of human effort.
Approach: They propose to ground natural language in video frames with only one frame labeled . they propose an end-to-end model that eliminates interference of irrelevant frames .
Outcome: The proposed model can ground natural language in all video frames with only one frame labeled . the proposed model eliminates interference of irrelevant frames based on branch search and cropping techniques .
Bridging Local Details and Global Context in Text-Attributed Graphs (2024.emnlp-main)

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Challenge: Existing studies focus on combining different information levels but overlook interconnections, i.e., contextual textual information among nodes.
Approach: They propose a framework that bridges local and global perspectives by leveraging contextual textual information.
Outcome: The proposed framework achieves state-of-the-art performance while reducing tokens significantly.
Align2LLaVA: Cascaded Human and Large Language Model Preference Alignment for Multi-modal Instruction Curation (2025.findings-acl)

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Challenge: Recent advances in Multi-modal Large Language Models (MLLMs) introduce significant variability in data quality.
Approach: They propose to use human and LLM preference alignment to compress large corpus of machine-generated multimodal instructions into a compact and high-quality form.
Outcome: The proposed algorithm outperforms LLaVA-series models in MLLM benchmarks by 90% . it uses human and LLM preference alignment to compress a large dataset .
TeamLoRA: Boosting Low-Rank Adaptation with Expert Collaboration and Competition (2025.acl-long)

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Challenge: Existing methods for fine-tuning are resource-efficient, but performance often falls short . a new approach, TeamLoRA, integrates collaborative and competitive modules to improve performance.
Approach: They propose to introduce task-specific LoRA as domain experts to improve learning efficiency . teamLoRA integrates collaborative and competition modules to improve model learning .
Outcome: Experiments show that TeamLoRA improves performance in multi-task learning . teamLorea integrates collaborative and competitive modules to improve performance .
Meta-Reflection: A Feedback-Free Reflection Learning Framework (2025.acl-long)

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Challenge: Existing approaches to improve large language models' ability to understand and reason are limited by external feedback.
Approach: They propose a feedback-free reflection mechanism that requires only a single inference pass without external feedback.
Outcome: The proposed method is based on an industrial e-commerce benchmark and public datasets.
CoMoL: Efficient Mixture of LoRA Experts via Dynamic Core Space Merging (2026.findings-acl)

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Challenge: Existing PEFT methods suffer from limited parameter efficiency and coarse-grained adaptation due to proliferation of LoRA experts and instance-level routing.
Approach: They propose a new MoE-LoRA framework that incorporates expert diversity, parameter efficiency, and fine-grained adaptation.
Outcome: The proposed framework outperforms existing methods on multiple tasks while maintaining parameter efficiency.
MoA: Heterogeneous Mixture of Adapters for Parameter-Efficient Fine-Tuning of Large Language Models (2026.acl-long)

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Challenge: Existing methods for parameter-efficient fine-tuning (PEFT) are limited by computational costs and performance degradation.
Approach: They propose a method that integrates Low-Rank Adaptation and Mixture-of-Experts (MoE) they propose combining expert load imbalance and representation collapse to improve LLM performance .
Outcome: The proposed method outperforms homogeneous MoE-LoRA architectures in performance and parameter efficiency.
PILOT: Planning via Internalized Latent Optimization Trajectories for Large Language Models (2026.acl-long)

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Challenge: Large Language Models lack the capacity to formulate global strategies due to latency and availability constraints.
Approach: They propose a framework to internalize the strategic oversight of large models into intrinsic Latent Guidance by synthesizing a query-conditioned Latent Guide.
Outcome: The proposed framework outperforms strong baselines on mathematical and coding benchmarks with negligible inference latency.
ART: rule bAsed futuRe-inference deducTion (2023.emnlp-main)

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Challenge: Existing studies focus on language-based premises and deduce valid conclusions from visual observations.
Approach: They propose a rule-based deductive reasoning task that uses video to deduce the correct future event . they use commonsense knowledge to annotate video and a strong baseline to conduct reasoning .
Outcome: Empirical studies validate the rationality of ARTNet in deductive reasoning upon visual observations . ART is a method that rigorously follows a set of explicit constraints to deduce valid conclusions from empirical facts .
SGDPO: Self-Guided Direct Preference Optimization for Language Model Alignment (2025.findings-acl)

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Challenge: Existing methods for aligning Large Language Models with human values are limited and results of DPO are not resilient.
Approach: They propose a self-guided direct preference optimization algorithm that incorporates a pilot term to steer the gradient flow during the optimization process.
Outcome: The proposed method can generate human-preferred response up to 9.19% higher than previous methods.
CARFT: Boosting LLM Reasoning via Contrastive Learning with Annotated Chain-of-Thought-based Reinforced Fine-Tuning (2025.emnlp-main)

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Challenge: Existing methods to improve the reasoning performance of Large Language Models (LLMs) ignore annotated Chain-of-Thought (CoT) and incorporate unstable reasoning path sampling.
Approach: They propose a Contrastive learning with annotated CoT-based Reinforced Fine-Tuning approach to enhance the reasoning performance of Large Language Models.
Outcome: The proposed approach exploits annotated CoT and stabilizes the fine-tuning procedure by incorporating an additional unsupervised learning signal.
Multi-modal Action Chain Abductive Reasoning (2023.acl-long)

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Challenge: Existing models for Abductive Reasoning are limited in their ability to infer the most plausible explanation of incomplete known phenomena.
Approach: They propose a vision-language task that aims to imagine the most plausible event by spatio-temporal grounding in past video and infer the hypothesis of subsequent action chain layer by layer.
Outcome: The proposed model outperforms existing video-language models in terms of effectiveness on the proposed dataset.

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