Papers by Junhao Wang

20 papers
FLIQA-AD: a Fusion Model with Large Language Model for Better Diagnose and MMSE Prediction of Alzheimer’s Disease (2025.naacl-short)

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Challenge: Existing classification and regression models that only extract finer-grained information from magnetic resonance imaging (MRI) may not be effective for Alzheimer's disease (AD).
Approach: They propose to use a 3D Adapter in a Vision Transformer to extract the patient's EHR information and questions related to the disease as text prompts.
Outcome: The proposed model can discriminate and predict the corresponding MMSE score based on the extracted brain structural information and textual content .
X-Router: Decoupling Knowledge and Reasoning for Cost-Effective LLM Inference (2026.findings-acl)

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Challenge: Existing adaptive methods focus on a single axis, overlooking evidence need and reasoning depth are only partially correlated.
Approach: They propose a dual-axis routing framework that separates retrieval necessity from reasoning necessity under a user-defined cost–quality trade-off.
Outcome: The proposed framework reduces token usage and latency while improving answer quality over strong baselines.
Skeleton-Guided-Translation: A Benchmarking Framework for Code Repository Translation with Fine-Grained Quality Evaluation (2025.findings-emnlp)

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Challenge: Existing code translation benchmarks focus on individual functions, overlooking repository-level challenges like intermodule coherence and dependency management.
Approach: They propose a framework for benchmarking Java-to-C# translation at the repository level . it uses a translation framework guided by skeletons and fine-grained quality evaluation .
Outcome: The proposed framework improves Java-to-C# translation quality at the repository level.
LiveCANNBench: Benchmark SWE AI Coding for Ascend CANN (2026.findings-acl)

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Challenge: Recent advances in agents have enabled multi-file, multi-language, and dependency-aware AI coding.
Approach: They propose an SWE-level benchmark for AI coding in the Huawei Ascend CANN software stack.
Outcome: The proposed benchmark is constructed from real-world CANN repositories and consists of over 400 task instances spanning multiple file, multi-language, and execution-aware coding challenges.
I2E: From Image Pixels to Actionable Interactive Environments for Text-Guided Image Editing (2026.acl-long)

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Challenge: Existing text-guided image editing methods rely on end-to-end pixel-level inpainting paradigm . existing models lack such intermediate representations and Reasoning-then-action process .
Approach: They propose a "Decompose-then-Action" paradigm that revisits image editing as an actionable interaction process within a structured environment.
Outcome: The proposed paradigm outperforms existing methods in compositional editing tasks.
DI-BENCH: Benchmarking Large Language Models on Dependency Inference with Testable Repositories at Scale (2025.findings-acl)

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Challenge: Existing studies highlight that dependency-related issues cause over 40% of observed runtime errors on the generated repository.
Approach: They propose a large-scale benchmark and evaluation framework specifically designed to assess LLMs’ capability on dependency inference.
Outcome: The proposed model achieves only a 48% execution pass rate on Python, indicating room for improvement.
SongComposer: A Large Language Model for Lyric and Melody Generation in Song Composition (2025.acl-long)

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Challenge: Creating lyrics and melodies in symbolic format requires expert knowledge of melody and an advanced understanding of lyrics.
Approach: They introduce SongComposer, a music-specialized large language model that can create symbolic lyrics and melodies following instructions.
Outcome: The proposed model outperforms existing models in symbolic song composition tasks.
TCPO: Thought-Centric Preference Optimization for Effective Embodied Decision-making (2025.emnlp-main)

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Challenge: Existing post-SFT methods for embodied AI are constrained by sparse rewards and action-only optimization, resulting in low sample efficiency, poor consistency, and model degradation.
Approach: They propose to integrate Thought-Centric Preference Optimization (TCPO) into embodied decision-making by transforming sparse reward signals into richer step sample pairs.
Outcome: The proposed approach achieves an average success rate of 26.67% in the ALFWorld environment, and a 6% improvement over RL4VLM.
RaaS: Reasoning-Aware Attention Sparsity for Efficient LLM Reasoning (2025.findings-acl)

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Challenge: Large Language Models (LLMs) have demonstrated strong capabilities across various domains, but their large-scale deployment faces a major obstacle: the high computational cost of long-sequence inference.
Approach: They propose an algorithm that retains key-value vectors until they are no longer needed to solve reasoning tasks.
Outcome: The proposed algorithm achieves high accuracy with O(L) time but O(N) memory complexities.
SLAM: Towards Efficient Multilingual Reasoning via Selective Language Alignment (2025.coling-main)

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Challenge: Large language models (LLMs) have demonstrated significant improvements in reasoning abilities, but these improvements are primarily focused on English, leading to inferior performance in non-English scenarios.
Approach: They propose a multilingual reasoning alignment approach that fine-tunes the layers responsible for multilingual comprehension in one stage.
Outcome: The proposed method fine-tunes 6 of the 9 layers responsible for multilingual comprehension, while reducing training time by 4.1-11.9 compared to the two-stage method.
ReLayout: Towards Real-World Document Understanding via Layout-enhanced Pre-training (2025.coling-main)

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Challenge: Recent approaches for visually-rich document understanding use manually annotated semantic groups.
Approach: They propose a new variant of the VrDU task that does not use manually annotated semantic groups.
Outcome: The proposed method improves on the existing methods while sacrificing performance.
MTR-Suite: A Framework for Evaluating and Synthesizing Conversational Retrieval Benchmarks (2026.acl-long)

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Challenge: Existing conversational retrieval benchmarks suffer from costly, sparse human annotation or rigid, unnatural automated heuristics.
Approach: They propose a framework for auditing, synthesizing, and benchmarking conversational retrieval.
Outcome: The proposed framework is based on three LLM-based auditors and a multi-agent system . it mimics production-style challenges (hard topic switching, verbosity) and offers superior discriminative power.
IIET: Efficient Numerical Transformer via Implicit Iterative Euler Method (2025.emnlp-main)

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Challenge: High-order numerical methods enhance performance in tasks like NLP but introduce a performance-efficiency trade-off due to increased computational overhead.
Approach: They propose an iterative implicit Euler Transformer which simplifies high-order numerical methods by iterating implicit Eule.
Outcome: The proposed method improves accuracy and reduces inference overhead by 55% while retaining 99.4% of the original task accuracy.
Dual Dynamic Memory Network for End-to-End Multi-turn Task-oriented Dialog Systems (2020.coling-main)

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Challenge: Existing task-oriented dialog systems struggle to dynamically model long dialog context for interactions and effectively incorporate knowledge base (KB) information into dialog generation.
Approach: They propose a dual dynamic memory network for multi-turn dialog generation . the model dynamically expands the dialog memory turn by turn and keeps track of dialog history .
Outcome: The proposed model outperforms baseline models on three benchmark datasets on human evaluation and automatic evaluation.
When 20 Agents Fail to Sort: The Distributed Sorting Benchmark for Scalable Multi-Agent Systems (2026.findings-acl)

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Challenge: MAS-BENCH isolates coordination under explicit communication constraints . CAMOC significantly improves coordination success and efficiency across backends .
Approach: They propose a distributed-sorting benchmark that isolates coordination under explicit communication constraints.
Outcome: MAS-BENCH improves coordination success and efficiency across backends . CAMOC significantly improves efficiency under shared-state interaction .
Beyond the Individual: Virtualizing Multi-Disciplinary Reasoning for Clinical Intake via Collaborative Agents (2026.findings-acl)

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Challenge: Initial outpatient consultations are costly and difficult to scale to real-time intake.
Approach: They propose a synchronous virtual MDT framework that formalizes the consultation state using a structured SOAP representation, separating evidence collection from diagnostic reasoning to improve traceability and bias control.
Outcome: The proposed framework outperforms state-of-the-art models on ClinicalBench and a real-world RAPID-IPN dataset in documentation quality and consultation capability.
GRPO-CARE: Consistency-Aware Reinforcement Learning for Multimodal Reasoning (2026.findings-acl)

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Challenge: Recent reinforcement learning approaches have advanced reasoning in Large Language Models (LLMs), yet their adaptation to multimodal LLMs remains underexplored.
Approach: They propose a reinforcement learning framework that eliminates KL penalties and rewards consistency . they propose GRPO-CARE, which outperforms standard GR PO, with a base reward for accuracy and an adaptive bonus for consistency.
Outcome: The proposed framework outperforms standard GRPO on the most difficult evaluation level and reasoning consistency test benchmarks.
AgencyBench: Benchmarking the Frontiers of Autonomous Agents in 1M-Token Real-World Contexts (2026.acl-long)

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Challenge: Existing benchmarks focus on single agentic capability, failing to capture long-horizon real-world scenarios.
Approach: They propose a benchmark that evaluates 6 agentic capabilities across 32 real-world scenarios.
Outcome: Experiments show that closed-source models outperform open-source model (48.4% vs 32.1%) integrating models with advanced scaffolds to form autonomous agents is a paradigm shift.
SCOUT: Selective Coupling via Optimal Unbalanced Transport for Interpretable Text Classification (2026.acl-long)

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Challenge: Standard interpretable models often rely on scalar similarities that obscure the true evidentiary basis of a prediction.
Approach: They propose a new paradigm that grounds prototype reasoning in the selective correspondence of discriminative fragments.
Outcome: The proposed model outperforms rationale extraction and post-hoc attribution methods on seven benchmarks.
Missing Modality meets Meta Sampling (M3S): An Efficient Universal Approach for Multimodal Sentiment Analysis with Missing Modality (2022.aacl-main)

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Challenge: Existing methods to address missing modalities often assume a particular modality is completely missing due to recording or transmission error.
Approach: They propose a missing modality-based meta-sampling approach for multimodal sentiment analysis with missing modalities . they conduct experiments on IEMOCAP, SIMS and CMU-MOSI datasets .
Outcome: The proposed method significantly improves on existing models with a mixture of missing modalities.

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