Papers by Ling Luo

14 papers
From Insight to Action: A Novel Framework for Interpretability-Guided Data Selection in Large Language Models (2026.acl-long)

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Challenge: Recent research in mechanistic interpretability has revealed that Large Language models contain disentangled, human-understandable components.
Approach: They propose a framework that first identifies causal task features through frequency recall and interventional filtering, then selects “Feature-Resonant Data” that maximally activates task features for fine-tuning.
Outcome: The proposed framework outperforms existing models on mathematical reasoning, summarization, and translation tasks while using only 50% of the data.
Retrieving, Rethinking and Revising: The Chain-of-Verification Can Improve Retrieval Augmented Generation (2024.findings-emnlp)

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Challenge: Recent Retrieval Augmented Generation (RAG) aims to enhance Large Language Models . however, such approach can generate inconsistent answer with external references .
Approach: They propose to integrate the verification module into the RAG to improve external retrieval correctness and internal generation consistency.
Outcome: The proposed model can significantly surpass the state-of-the-art baselines using different LLM backbones.
Prototype Tuning: A Meta-Learning Approach for Few-Shot Document-Level Relation Extraction with Large Language Models (2025.findings-naacl)

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Challenge: Few-Shot Document-Level Relation Extraction (FSDLRE) aims to develop models capable of generalizing to new categories with minimal support examples.
Approach: They propose a meta-training approach to train Large Language Models to improve their ICL capabilities . they construct simulated episodes using relation types that do not overlap with test corpus .
Outcome: Experimental results show that the proposed approach outperforms baseline models on few-shot tasks.
Self Question-answering: Aspect-based Sentiment Analysis by Role Flipped Machine Reading Comprehension (2021.findings-emnlp)

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Challenge: unified Aspect-based Sentiment Analysis (ABSA) aims to couple aspect terms with their corresponding opinion terms, which might make it easier to predict sentiment polarities.
Approach: They propose a new paradigm to pair aspect terms with their corresponding opinion terms . they propose to use a machine learning paradigm to solve the unified ABSA task .
Outcome: The proposed framework can solve the ABSA task without any additional data annotation or transformation.
Breaking the Boundaries: A Unified Framework for Chinese Named Entity Recognition Across Text and Speech (2024.findings-emnlp)

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Challenge: Existing approaches to Named Entity Recognition (NER) tasks are limited by the complexity of the data and the potential connections between tasks.
Approach: They propose a task to break the boundaries between different modal NER tasks by using a unified data format for inputs from different modalités.
Outcome: The proposed task breaks the boundaries between different modal NER tasks and is a unified implementation of them.
Meet Changes with Constancy: Learning Invariance in Multi-Source Translation (2020.coling-main)

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Challenge: Existing approaches to multi-source neural machine translation neglect inconsistencies between sources of information.
Approach: They propose a source invariance network to learn invariant information of parallel sources . they propose to integrate such network with multi-encoder based multi-source NMT methods .
Outcome: The proposed approach achieves clear gains in translation quality and captures implicit invariance between different sources.
TemplateRL: Structured Template-Guided Reinforcement Learning for LLM Reasoning (2026.findings-acl)

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Challenge: Existing RL methods rely on unstructured self-sampling to fit scalar rewards, resulting in inefficient rollouts.
Approach: They propose a structured template-guided RL framework that augments policy optimization with explicit template guidance.
Outcome: Experiments show that TemplateRL outperforms GRPO and GRPI by 99% on AIME and 41% on AMC with superior stability on weak models and remarkable cross-domain generalization.
Reading Like HER: Human Reading Inspired Extractive Summarization (D19-1)

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Challenge: Existing methods for extracting text summarization are abstractive and extractive.
Approach: They propose a novel approach for extractive summarization by simulating two stages . they adopt a convolutional neural network to encode gist of paragraphs for rough reading .
Outcome: The proposed method significantly outperforms the state-of-the-art extractive methods on CNN and DailyMail datasets.
Beyond Examples: Towards Automated Thought-level In-Context Reasoning for Large Language Models (2026.acl-long)

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Challenge: In-context learning (ICL) struggles with complex reasoning due to superficial, example-level implicit imitation.
Approach: They propose an automated method that shifts from surface-level examples to more guidance-oriented thought patterns.
Outcome: The proposed method achieves 80.6% accuracy on MATH and 62.5% on AMC, surpassing GPT-4o’s 77.2% and 57.5% accuracy.
Attention Basin: Why Contextual Position Matters in Large Language Models (2026.acl-long)

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Challenge: Large Language Models (LLMs) are sensitive to the contextual position of information in input.
Approach: They introduce Attention-Driven Reranking (AttnRank) which estimates a model’s intrinsic positional attention preferences using a small calibration set and reorders retrieved documents or few-shot examples to align the most salient content with these high-attention positions.
Outcome: Experiments on multi-hop QA and few-shot in-context learning tasks show that AttnRank achieves substantial improvements across 10 large language models of varying architectures and scales, without modifying model parameters or training procedures.
Efficient Knowledge Infusion via KG-LLM Alignment (2024.findings-acl)

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Challenge: Existing methods for knowledge infusion face knowledge mismatch and poor information compliance of LLMs with knowledge graphs.
Approach: They propose a three-stage alignment strategy to enhance the LLM's capability to utilize information from knowledge graphs.
Outcome: The proposed method outperforms baselines on biomedical question-answering datasets and outperformed existing methods.
Making Flexible Use of Subtasks: A Multiplex Interaction Network for Unified Aspect-based Sentiment Analysis (2021.findings-acl)

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Challenge: Existing studies aim to integrate multiple sub-tasks into a unified ABSA model but suffer from major disadvantages .
Approach: They propose a multi-task learning approach to make use of sub-tasks for a unified ABSA.
Outcome: The proposed model can work well when some sub-tasks are absent, and the interactive relations among subtasks not adequate.
PENS: A Dataset and Generic Framework for Personalized News Headline Generation (2021.acl-long)

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Challenge: Using a dataset of Microsoft News, we propose a generic framework to personalize a text generator and establish personalized headlines.
Approach: They propose a generic framework to personalize a news headline generator and establish personalized headlines by leveraging user behavioral data.
Outcome: The proposed framework is based on user preference data and user preference injections to personalize a text generator and establish personalized headlines.
CogCompNLP: Your Swiss Army Knife for NLP (L18-1)

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Challenge: a corpus-reader module supports popular corpora, feature extraction and annotation modules for semantic and syntactic tasks.
Approach: They propose a library that provides modules to address different challenges . they provide a corpus-reader module that supports popular corpora in the NLP community .
Outcome: The proposed library simplifies the process of design and development of NLP applications by providing modules to address different challenges.

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