Papers by Jinsong Li

25 papers
Towards Storage-Efficient Visual Document Retrieval: An Empirical Study on Reducing Patch-Level Embeddings (2025.findings-acl)

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Challenge: Visualized Document Retrieval (VDR) uses large vision-language models to encode document pages into embeddings.
Approach: They evaluate methods to reduce patch embeddings per page while minimizing performance degradation.
Outcome: The proposed method maintains 98.2% of retrieval performance with only 11.8% of original memory usage and preserves 94.6% effectiveness at 2% memory footprint.
GIFT: Guided Fine-Tuning and Transfer for Enhancing Instruction-Tuned Language Models (2026.acl-long)

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Challenge: Existing adapter-based transfer methods treat instruction-tuned models as passive targets . direct fine-tuning can disrupt this delicate balance and lead to instability or performance degradation.
Approach: They propose a framework that incorporates instruction-level guidance into task adaptation.
Outcome: The proposed framework outperforms direct fine-tuning and representative transfer-based baselines while maintaining robust generalization and favorable test-time scaling behavior.
A Sequence-to-Sequence&Set Model for Text-to-Table Generation (2023.findings-acl)

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Challenge: Existing models for text-to-table generation are order-insensitive, but suffer from errors . a novel sequence-tosequence&set model generates table body rows in parallel .
Approach: They propose a sequence-to-sequence generation task that serializes each table into a token sequence during training by concatenating all rows in a top-down order.
Outcome: The proposed model outperforms baselines on commonly-used datasets.
Towards Robust Neural Machine Translation with Iterative Scheduled Data-Switch Training (2022.coling-1)

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Challenge: Existing methods on robust neural machine translation (NMT) construct adversarial examples by injecting noise into authentic examples and indiscriminately exploit two types of examples.
Approach: They propose an iterative scheduled data-switch training framework to mitigate this problem by injecting noise into authentic examples and indiscriminately exploiting two types of examples.
Outcome: The proposed model outperforms several competitive benchmarks on four translation benchmarks.
Type-Driven Multi-Turn Corrections for Grammatical Error Correction (2022.findings-acl)

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Challenge: Existing studies focus on data augmentation to combat exposure bias . but data augmented models lack the ability to recognize the procedure of gradual corrections .
Approach: They propose a type-driven multi-turn corrections approach that uses multiple training instances to train dominant models.
Outcome: The proposed model achieves state-of-the-art single-model performance on English GEC benchmarks.
Sentiment-Aware Word and Sentence Level Pre-training for Sentiment Analysis (2022.emnlp-main)

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Challenge: Existing pre-trained language representation models (PLMs) capture sentiment information from word-level while under-considering sentence-level information.
Approach: They propose a Sentiment-aware pre-trained language model with combined Word-level and Sentence-level Pre-training tasks that enhance the PLM’s knowledge about sentiment words.
Outcome: The proposed model achieves state-of-the-art on various sentence-level and aspect-level sentiment classification benchmarks.
A Multi-Agent Framework with Automated Decision Rule Optimization for Cross-Domain Misinformation Detection (2025.emnlp-main)

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Challenge: Existing methods for misinformation detection are limited by domain knowledge and expert experience.
Approach: They propose a Multi-Agent Framework for cross-domain misinformation detection with Automated Decision Rule Optimization (MARO) they first employ multiple expert agents to analyze target-domain news, then introduce a question-reflection mechanism that guides expert agents for higher-quality analysis.
Outcome: The proposed framework improves on a common dataset and shows that iteratively improves over existing methods.
AVG-LLaVA: An Efficient Large Multimodal Model with Adaptive Visual Granularity (2025.findings-acl)

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Challenge: Existing large multimodal models typically divide high-resolution images into multiple local images and a global image, leading to a large number of visual tokens.
Approach: They propose an LMM that can adaptively select the appropriate visual granularity based on the input image and instruction.
Outcome: The proposed model significantly reduces visual tokens and speeds up inference on 11 benchmarks.
HEALing Entropy Collapse: Enhancing Exploration in Few-Shot RLVR via Hybrid-Domain Entropy Dynamics Alignment (2026.acl-long)

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Challenge: Existing methods for training reasoning-oriented large language models assume high-resource settings with abundant data.
Approach: They propose a framework that integrates high-value general-domain data to promote more diverse exploration.
Outcome: The proposed framework matches or surpasses RLVR trained with 32 target-domain samples using 32 target domain samples.
Continual Learning for Multilingual Neural Machine Translation via Dual Importance-based Model Division (2023.emnlp-main)

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Challenge: Existing methods focus on preventing catastrophic forgetting by making compromises between the original and new language pairs, leading to sub-optimal performance on both translation tasks.
Approach: They propose a dual importance-based model division method to divide the model parameters into two parts and separate the translation of the original and new tasks.
Outcome: The proposed method outperforms strong baselines under different incremental translation scenarios.
Towards Linear Time Neural Machine Translation with Capsule Networks (D19-1)

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Challenge: Neural Machine Translation (NMT) is an endto-end learning approach to machine translation.
Approach: They propose a capsule network with dynamic routing for linear time Neural Machine Translation . they map the source sentence into a matrix with pre-determined size and apply a deep LSTM network to decode the target sequence from the source representation.
Outcome: The proposed network achieves comparable results with the Transformer system on English-German and English-French tasks.
PATIMT-Bench: A Multi-Scenario Benchmark for Position-Aware Text Image Machine Translation in Large Vision-Language Models (2025.findings-emnlp)

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Challenge: Current TIMT studies focus on providing translations for all text within an image, neglecting to provide bounding boxes and covering limited scenarios.
Approach: They extend traditional TIMT into position-aware TIMt to support fine-grained translation . they introduce an Adaptive Image OCR Refinement Pipeline to refine results .
Outcome: The proposed model supports fine-grained and layout-preserving translation . the experimental data highlight the scalability and generalizability of the model.
MHGRL: An Effective Representation Learning Model for Electronic Health Records (2024.lrec-main)

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Challenge: Effective EHR representations are key to achieving high performance in healthcare applications.
Approach: They propose a multimodal heterogeneous graph-enhanced representation learning to learn EHR representations using medical ontology and textual notes.
Outcome: The proposed model outperforms baseline models on two real clinical datasets in downstream tasks.
Adaptive Token-level Cross-lingual Feature Mixing for Multilingual Neural Machine Translation (2022.emnlp-main)

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Challenge: Multilingual neural machine translation models can translate multiple language pairs in a single model but lacks ability to capture language-specific features.
Approach: They propose a token-level feature mixing method that captures different features and dynamically determines feature sharing across languages.
Outcome: The proposed method outperforms baselines and can be extended to zero-shot translation.
Advancing SMoE for Continuous Domain Adaptation of MLLMs: Adaptive Router and Domain-Specific Loss (2025.acl-long)

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Challenge: Recent studies have explored Continual Instruction Tuning (CIT) in Multimodal Large Language Models (MLLMs), with a primary focus on Task-incremental CIT, where MLLM are required to continuously acquire new tasks.
Approach: They propose a Sparse Mixture of Expert (SMoE) based method for domain-incremental CIT in Multimodal Large Language Models (MLLMs) . they equip the SMoA module with a domain-specific autoregressive loss (DSAL) they establish a new benchmark to evaluate the efficacy of their method .
Outcome: The proposed method outperforms all baselines and is based on a Sparse Mixture of Experts (SMoE) module .
Exploring All-In-One Knowledge Distillation Framework for Neural Machine Translation (2023.emnlp-main)

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Challenge: Existing knowledge distillation methods only obtain one lightweight student each time . this could be resource-intensive and resulting in multiple students not being optimally utilized .
Approach: They propose a knowledge distillation framework which generates multiple satisfactory students at once.
Outcome: The proposed framework generates multiple satisfactory students at once.
BAPO: Boundary-Aware Policy Optimization for Reliable Agentic Search (2026.findings-acl)

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Challenge: Existing RL-based agentic search models fail to recognize reasoning boundaries and rarely admit "I DON'T KNOW" lack of reliability leads to plausible but unreliable answers, introducing significant risks .
Approach: They propose a framework to cultivate reliable boundary awareness without compromising accuracy.
Outcome: Experiments show that the proposed framework improves the reliability of agentic search models.
Empowering Backbone Models for Visual Text Generation with Input Granularity Control and Glyph-Aware Training (2024.emnlp-main)

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Challenge: Existing text-to-image models struggle to generate images with legible visual texts . current models lack support for Chinese texts, misspelling, and lack of diversity .
Approach: They propose to empower backbone models to generate visual texts in Chinese and English . they propose to augment conventional training objective with glyph-aware training losses .
Outcome: The proposed methods can generate visual texts in English and Chinese while maintaining image generation quality.
CEMT:Controllable Element-Oriented Machine Translation via Structured Linguistic Reasoning (2026.findings-acl)

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Challenge: Large Language Models suffer from paraphrasing errors, omissions, or hallucinations when input contains translation-specific elements that require strict preservation or controlled transformation.
Approach: They propose a Controllable Element-Oriented Machine Translation framework that decomposes the translation process into a linguistically grounded analysis, strategy formulation, and final generation.
Outcome: The proposed framework improves on the WMT23/24 Chinese–English benchmarks while significantly reducing element-level constraint violations.
Exploring Better Text Image Translation with Multimodal Codebook (2023.acl-long)

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Challenge: Current studies on text image translation face bottlenecks due to lack of a publicly available dataset and poor optical character recognition.
Approach: They propose a text image translation model with a multimodal codebook and an OCR dataset for Chinese-English translation.
Outcome: The proposed model can associate the image with relevant texts, providing useful supplementary information for translation.
HCRE: LLM-based Hierarchical Classification for Cross-Document Relation Extraction with a Prediction-then-Verification Strategy (2026.findings-acl)

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Challenge: Existing approaches to cross-document relation extraction (RE) focus on identifying relations between head and tail entities from single sentence or document.
Approach: They propose a hierarchical relation tree-based LLM-based hierarchic classification model for cross-document relation extraction (HCRE) based on predefined relations, the model can perform hierarchically classification level by level.
Outcome: The proposed model outperforms existing baselines and validates its effectiveness.
DiaASQ: A Benchmark of Conversational Aspect-based Sentiment Quadruple Analysis (2023.findings-acl)

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Challenge: a new task of conversational aspect-based sentiment analysis (DiaASQ) is designed to detect the quadruple of target-aspect-opinion-sentiment in a dialogue.
Approach: They propose a task of conversational aspect-based sentiment quadruple analysis to detect the quadrangle of target-aspect-opinion-sentiment in a dialogue.
Outcome: The proposed task is based on a high-quality dataset in Chinese and English . it improves the end-to-end quadruple prediction and integrates rich feature representations .
FaithfulRAG: Fact-Level Conflict Modeling for Context-Faithful Retrieval-Augmented Generation (2025.acl-long)

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Challenge: Existing faithful RAG approaches enforce strict context adherence, but they forcibly suppress the model’s parametric knowledge, which undermines the model's internal knowledge structure and increases the risk of misinterpreting the context.
Approach: They propose a framework that resolves knowledge conflicts by explicitly modeling discrepancies between the model’s parametric knowledge and retrieved context.
Outcome: The proposed framework outperforms state-of-the-art methods in knowledge conflict cases and identifies conflicting knowledge at the fact level and designs a self-thinking process.
MLAS-LoRA: Language-Aware Parameters Detection and LoRA-Based Knowledge Transfer for Multilingual Machine Translation (2025.acl-long)

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Challenge: Large language models (LLMs) have demonstrated strong performance even with limited parallel data.
Approach: They propose a multiple language-aware LoRA knowledge transfer framework that selectively adapts LLMs to MT by transferring knowledge from a large teacher to a small student model.
Outcome: The proposed framework outperforms baseline models on multilingual language pairs by +1.7 BLEU on average.
Locate-and-Focus: Enhancing Terminology Translation in Speech Language Models (2025.acl-long)

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Challenge: Existing methods for terminology translation struggle with interference from irrelevant noise.
Approach: They propose a Locate-and-Focus method that locates terminologies within utterances to construct translation knowledge by minimizing irrelevant information for ST models.
Outcome: The proposed method locates terminologies within utterances and enhances the success rate of terminology translation while maintaining robust general translation performance.

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