Papers by Bo Hui

14 papers
SiLP: Enhancing Non-Dominant Language Capabilities with a Selective Bidirectional Language Projection Framework (2026.acl-long)

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Challenge: Existing methods to improve performance of large language models rely on additional training objectives or language-specific parameters.
Approach: They propose a bidirectional language projection framework that enables efficient multilingual alignment and language shift using the intrinsic parameters.
Outcome: The proposed framework improves performance of non-dominant languages and improves internal representations.
From Adversarial Arms Race to Model-centric Evaluation: Motivating a Unified Automatic Robustness Evaluation Framework (2023.findings-acl)

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Challenge: Existing models of robustness evaluation are incomprehensive, impractical, and invalid .
Approach: They propose a framework for automatic robustness evaluation that shifts towards model-centric evaluation to further exploit the advantages of adversarial attacks.
Outcome: The proposed framework is based on a model-centric evaluation protocol and a robustness evaluation protocol.
Boosting Text-to-SQL through Multi-grained Error Identification (2025.coling-main)

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Challenge: Existing methods for error identification often overlook validation of generated results . text-to-SQL is a technology that converts natural language questions into executable SQL queries .
Approach: They propose to integrate a multi-grained error identification method into existing methods to detect SQL errors.
Outcome: The proposed method can be integrated as a plugin into various methods, providing effective error identification and correction capabilities.
A Lifelong Multilingual Multi-granularity Semantic Alignment Approach via Maximum Co-occurrence Probability (2024.lrec-main)

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Challenge: Existing methods to mask and predict tokens in multilingual text limit multilingual interaction .
Approach: They propose a lifelong multilingual multi-granularity semantic alignment approach which continuously extracts massive aligned linguistic units from noisy data via a maximum co-occurrence probability algorithm.
Outcome: The proposed approach improves translation performance on WMT14 18 benchmarks in twelve directions.
Knowledge Graph Unlearning with Schema (2025.coling-main)

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Challenge: Unlearning on knowledge graphs has not been extensively studied.
Approach: They propose a new unlearning method based on schema for knowledge graph (KG) they update the representation of the deleted element’s neighborhood with an unlearning object that regulates the affinity between the affected neighborhood and the instances within the same schema.
Outcome: The proposed method is evaluated on various KG embedding models with benchmark datasets.
2D-DPO: Scaling Direct Preference Optimization with 2-Dimensional Supervision (2025.findings-naacl)

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Challenge: Existing methods that optimize for scalar scores or ranking reward ignore multi-dimensional nature of human preferences.
Approach: They propose to extend the preference of Direct Preference Optimization to two dimensions: segments and aspects.
Outcome: The proposed framework decomposes the overall objective into multi-segment and multi-aspect objectives.
LoRE: Enhancing Search Relevance with Progressive Chain-of-Thought and Preference Alignment (2026.findings-acl)

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Challenge: E-commerce search relevance is a critical component of retrieval systems.
Approach: They propose a large-generative model for search relevance that trains reasoning knowledge, multi-modal understanding and rule awareness into three core competencies.
Outcome: The proposed model outperforms GPT-5 in Macro-F1 and achieves 27% online gain.
AIR: Complex Instruction Generation via Automatic Iterative Refinement (2025.emnlp-main)

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Challenge: Existing methods for generating complex instructions are resource-intensive and lack diversity.
Approach: They propose a framework to generate complex instructions with constraints using a document-generated initial instruction and an iterative refinement framework to incorporate LLM-as-judge guidance.
Outcome: The proposed framework significantly outperforms existing methods for generating complex instructions, and outperformed existing methods.
A Localized Geometric Method to Match Knowledge in Low-dimensional Hyperbolic Space (2022.emnlp-main)

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Challenge: Existing methods for entity alignment are limited to Euclidean space and hyperbolic embedding can represent hierarchical structure in knowledge graphs.
Approach: They propose a localized geometric method to find equivalent entities in hyperbolic space using a hyperbolical neural network.
Outcome: The proposed method outperforms the state-of-the-art by a large margin.
RoChBert: Towards Robust BERT Fine-tuning for Chinese (2022.findings-emnlp)

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Challenge: Pre-trained language models (e.g., BERT) have been proved vulnerable to adversarial texts.
Approach: They propose to fuse Chinese phonetic and glyph features into pre-trained models by using a more comprehensive adversarial graph.
Outcome: The proposed framework outperforms existing methods in significant ways on a wide range of tasks while remaining accurate on benign texts.
Enhancing Multimodal Named Entity Recognition through Adaptive Mixup Image Augmentation (2025.coling-main)

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Challenge: Current named entity recognition methods struggle with text-image mismatch problem due to a lack of visual context.
Approach: They propose an adaptive mixup image augmentation method that generates augmented images based on matching score between text and image .
Outcome: The proposed method can be integrated into existing models and demonstrate consistent performance improvements.
Chinese SimpleQA: A Chinese Factuality Evaluation for Large Language Models (2025.acl-long)

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Challenge: Current frontier models sometimes generate false outputs or answers that are not substantiated by evidence.
Approach: They propose Chinese SimpleQA, a Chinese benchmark to evaluate LLMs' factuality . they focus on Chinese language over 6 major topics with 99 diverse subtopics .
Outcome: The Chinese SimpleQA benchmark evaluates the factuality ability of LLMs . the questions and answers are short and easy-to-evaluate .
Different Data, Different Modalities! Reinforced Data Splitting for Effective Multimodal Information Extraction from Social Media Posts (2022.coling-1)

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Challenge: Recent multimodal information extraction approaches overestimate the significance of images.
Approach: They propose a general data splitting strategy to divide social media posts into two sets to achieve better performance under information extraction models of the corresponding modalities.
Outcome: The proposed method outperforms existing models on two different multimodal information extraction tasks.
SATQuest: A Verifier for Logical Reasoning Evaluation and Reinforcement Fine-Tuning of LLMs (2026.acl-long)

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Challenge: Large language models exhibit strong general reasoning abilities, yet the community lacks controllable, scalable, and verifiable tools to analyze and improve them.
Approach: They propose a verifier that generates diverse SAT-based reasoning tasks from CNF instances and checks answers objectively with PySAT.
Outcome: The proposed verifier generates diverse SAT-based reasoning tasks from CNF instances and checks answers objectively with PySAT.

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