Papers by Tianyu Luo

21 papers
TR-Rules: Rule-based Model for Link Forecasting on Temporal Knowledge Graph Considering Temporal Redundancy (2023.findings-emnlp)

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Challenge: Existing models suffer from temporal redundancy when leveraged under dynamic settings.
Approach: They propose a temporal knowledge graph extrapolation method which solves temporal redundancy issues by using cyclic rules to capture more information lurking in TKGs.
Outcome: The proposed model captures more information lurking in TKGs, and also mines and properly leverages acyclic rules, which has not been explored by existing models.
Enhancing Topic-to-Essay Generation with External Commonsense Knowledge (P19-1)

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Challenge: Existing methods for topic-to-essay generation are insufficient for generating novel, diverse, and topic-consistent paragraph-level text with a set of topics.
Approach: They propose to integrate commonsense from external knowledge base into the generator through dynamic memory mechanism and adversarial training to further improve topic-consistency.
Outcome: The proposed task is more novel, diverse, and topic-consistent than existing methods in terms of both automatic and human evaluation.
LaMP-Val: Large Language Models Empower Personalized Valuation in Auction (2025.findings-emnlp)

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Challenge: Currently, most research focuses on the bidding algorithms used within auction mechanisms.
Approach: They propose a personalized valuation framework that integrates Large Language Models to incorporate personalized semantic preference into users valuation process.
Outcome: The proposed framework incorporates Large Language Models to incorporate personalized semantic preference into users valuation process.
Argument Pair Extraction via Attention-guided Multi-Layer Multi-Cross Encoding (2021.acl-long)

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Challenge: Argument pair extraction (APE) is a research task for extracting arguments from two passages and identifying potential argument pairs.
Approach: They propose a novel attention-guided multi-layer multi-cross encoding scheme that processes two passages with two individual sequence encoders and updates their representations using each other’s attention.
Outcome: The proposed model significantly improves the performance over several alternatives.
Towards Comprehensive Description Generation from Factual Attribute-value Tables (P19-1)

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Challenge: Existing models for comprehensive descriptions for factual attribute-value tables might suffer from missing key attributes and groundless information problems.
Approach: They propose a force attention method to encourage the generator to pay more attention to uncovered attributes to avoid potential key attributes missing.
Outcome: The proposed model outperforms the state-of-the-art baselines on automatic and human evaluation.
HAG: Hierarchical Demographic Tree-based Agent Generation for Topic-Adaptive Simulation (2026.acl-long)

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Challenge: Existing approaches to Agent-Based Modeling fail to adapt to unseen topics absent from data.
Approach: They propose a Hierarchical Agent Generation framework that formalizes population generation as a two-stage decision process.
Outcome: The proposed framework outperforms baseline models in a multi-domain benchmark and comprehensive evaluation framework.
M2PO: Multi-Perspective Multi-Pair Preference Optimization for Machine Translation (2026.acl-long)

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Challenge: prevailing methods for machine translation are often hindered by misleading reward signals.
Approach: They propose a framework that aligns large language models to human preferences . they propose 'M2PO' to correct the bias towards partial errors .
Outcome: The proposed framework outperforms open-source models and achieves parity with proprietary models.
Quest2DataAgent: Automating End-to-End Scientific Data Collection (2025.emnlp-demos)

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Challenge: Existing approaches for data collection are labor-intensive and dependent on domain expertise.
Approach: They propose a general-purpose multi-agent framework for automating scientific data collection workflows.
Outcome: The proposed framework improves data relevance, usability, and time efficiency over existing methods.
HAHE: Hierarchical Attention for Hyper-Relational Knowledge Graphs in Global and Local Level (2023.acl-long)

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Challenge: Existing research on HKGs rarely models the graphical and sequential structure of HKG, limiting their representation.
Approach: They propose a Hierarchical Attention model for HKG Embedding that includes global-level and local-level attention to model the graphical structure of HKGs.
Outcome: The proposed model achieves state-of-the-art performance on HKG standard datasets and addresses the issue of HKG multi-position prediction for the first time.
Well Begun is Half Done: Low-resource Preference Alignment by Weak-to-Strong Decoding (2025.findings-acl)

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Challenge: Low-resource methods for LLM alignment have been popular, but still face challenges in obtaining high-quality and aligned content.
Approach: They propose a framework to enhance alignment ability of base models by the guidance of a small aligned model.
Outcome: The proposed framework outperforms baseline methods while avoiding degradation on downstream tasks.
FAIRGAMER: Evaluating Social Biases in LLM-Based Video Game NPCs (2026.acl-long)

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Challenge: Large Language Models (LLMs) have enhanced or replaced traditional non-player characters in video games.
Approach: They propose a benchmark to evaluate social biases across three interaction patterns: transaction, cooperation, and competition.
Outcome: The proposed benchmark assesses four bias types across transaction, cooperation, and competition using a novel metric, FairMCV.
Learning to Control the Fine-grained Sentiment for Story Ending Generation (P19-1)

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Challenge: Existing studies focus on controlling the sentiment of story endings.
Approach: They propose a generic and novel framework which controls fine-grained sentiment intensity for automatic story ending generation without manually annotating sentiment labels.
Outcome: The proposed framework can generate story endings which meet the given sentiment intensity better.
MirrorCAPTCHA: Wild CAPTCHA, Wild Distribution, Wild Web-based Platform Meet Multimodal LLM Agents (2026.acl-long)

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Challenge: Existing agent benchmarks fail to evaluate an agent's real-world capacity to handle CAPTCHA . Existing benchmarks ignore this practical challenge, failing to evaluate agents' ability to handle complex visual CAPTchas.
Approach: They propose a benchmark annotated with Weighted Pass Rate and a new metric to measure agent's ability to handle CAPTCHA.
Outcome: The proposed benchmark outperforms current state-of-the-art closed-source models on mirrorCAPTCHA and achieves 9.4% higher average weighted pass rate and 2.13% higher average Completion degree.
LSEG: A Fine-tuning Free Method for NL2FOL via Logic-Structure and Entropy Guided Inference Controlling (2026.findings-acl)

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Challenge: Large language models struggle with natural language to first order logic (NL2FOL) translation due to logical hallucination.
Approach: They propose a fine-tuning free framework to correct hidden state deviation by leveraging logical stability across logic preserving perturbations of the input.
Outcome: The proposed framework improves logical consistency during inference and improves accuracy over baselines.
MAAM: A Morphology-Aware Alignment Model for Unsupervised Bilingual Lexicon Induction (P19-1)

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Challenge: Existing work shows that morphological variation is an intractable challenge for the unsupervised bilingual lexicon induction task.
Approach: They propose a morphology-aware alignment model to alleviate the adverse effect of morphological variation by introducing grammatical information learned by the pre-trained denoising language model.
Outcome: The proposed model outperforms state-of-the-art unsupervised systems and achieves competitive performance compared to supervised methods.
Incentivizing Parametric Knowledge via Reinforcement Learning with Verifiable Rewards for Cross-Cultural Entity Translation (2026.acl-long)

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Challenge: Current systems often fall short of this goal in settings where translation hinges on culturally grounded entities such as books, films, places, songs and idioms.
Approach: They propose a framework that anchors supervision on a verifiable, entity-level reward signal and incorporates lightweight structural gates to stabilize optimization.
Outcome: The proposed framework improves on XC-Translate and shows that it can learn a robust reasoning process rather than imitating reference translations.
SARA: Unlocking Multilingual Knowledge in Mixture-of-Experts via Semantically Anchored Routing Alignment (2026.findings-acl)

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Challenge: Low-resource language tokens are often routed to different experts than those activated by high-resourced inputs, which hinders their efficacy in multilingual contexts.
Approach: They propose a framework to transfer specialized capabilities from high-resource languages as anchors to low-resourced languages by using a symmetric Jensen-Shannon constraint.
Outcome: The proposed framework outperforms standard instruction tuning on 5 low-resource languages and 3 benchmarks.
Incorporating Glosses into Neural Word Sense Disambiguation (P18-1)

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Challenge: Existing neural networks for Word Sense Disambiguation rely on labeled data and lexical knowledge.
Approach: They propose a gloss-augmented WSD neural network which integrates context and glosses of the target word into a unified framework.
Outcome: The proposed model outperforms the state-of-the-art systems on several English all-words WSD datasets.
Geneverse: A Collection of Open-source Multimodal Large Language Models for Genomic and Proteomic Research (2024.findings-emnlp)

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Challenge: generative Large Language Models (LLMs) are a promising tool for biomedical and healthcare research.
Approach: They propose to use finetuned LLMs and multimodal LLM for genomic and proteomics tasks.
Outcome: The proposed models outperform closed-source models in genomic and proteomics tasks and are highly accurate.
Leveraging Gloss Knowledge in Neural Word Sense Disambiguation by Hierarchical Co-Attention (D18-1)

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Challenge: Existing models for Word Sense Disambiguation use labeled data, but lack gloss knowledge.
Approach: They propose a co-attention mechanism to generate co-dependent representations for context and gloss . they propose to incorporate gloss knowledge into neural networks for Word Sense Disambiguation .
Outcome: The proposed model achieves state-of-the-art results on standard English all-words WSD datasets.
Taking a Deep Breath: Enhancing Language Modeling of Large Language Models with Sentinel Tokens (2024.findings-emnlp)

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Challenge: Existing studies have explored compression and accumulation methods to compress contexts, but these methods lose useful context information during the compression process, leading to performance degradation.
Approach: They propose a method that allows LLMs to take a deep breath and insert a special token at the end of each chunk.
Outcome: Experiments on language modeling and out-of-domain tasks validate the superiority of the proposed method.

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