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Hongcheng Guo

22 accepted papers

2026

IRPM: Intergroup Relative Preference Modeling for Pointwise Generative Reward Models

ICML 2026poster

Generative Reward Models (GRMs) have demonstrated strong performance in reward modeling, due to their interpretability and potential for refinement through reinforcement learning (RL). However, widely used pairwise GRMs create a computational bottleneck in reinforcement learning from human feedback …

Cited by 0SourceScholar
2026

U2-BENCH: Benchmarking Large Vision-Language Models on Ultrasound Understanding

ICLR 2026poster

Ultrasound is a widely-used imaging modality critical to global healthcare, yet its interpretation remains challenging due to its varying image quality on operators, noises, and anatomical structures. Although large vision-language models (LVLMs) have demonstrated impressive multimodal capabilities…

Cited by 0SourceScholar
2025

ADC: Enhancing Function Calling Via Adversarial Datasets and Code Line-Level Feedback

ICASSP 2025accepted

Large Language Models (LLMs) have made significant strides in Natural Language Processing and coding, yet they struggle with robustness and accuracy in complex function calls. To tackle these challenges, this paper introduces ADC, an innovative approach that enhances LLMs’ ability to follow function…

Cited by 0SourceScholar
2025

DependEval: Benchmarking LLMs for Repository Dependency Understanding

ACL 2025finding

While large language models (LLMs) have shown considerable promise in code generation, real-world software development demands advanced repository-level reasoning. This includes understanding dependencies, project structures, and managing multi-file changes. However, the ability of LLMs to effective…

2025

IW-Bench: Evaluating Large Multimodal Models for Converting Image-to-Web

ACL 2025finding

Recently, advancements in large multimodal models have led to significant strides in image comprehension capabilities. Despite these advancements, there is a lack of a robust benchmark specifically for assessing the image‐to‐web conversion proficiency of these large models. It is essential to ensure…

2025

McEval: Massively Multilingual Code Evaluation

ICLR 2025poster

Code large language models (LLMs) have shown remarkable advances in code understanding, completion, and generation tasks. Programming benchmarks, comprised of a selection of code challenges and corresponding test cases, serve as a standard to evaluate the capability of different LLMs in such tasks.…

2025

Mitigating Hallucinations in Large Vision-Language Models by Adaptively Constraining Information Flow

AAAI 2025technical

Large vision-language models show tremendous potential in understanding visual information through human languages. However, they are prone to suffer from object hallucination, i.e., the generated image descriptions contain objects that do not exist in the image. In this paper, we reveal that object…

2025

Revealing Weaknesses in Text Watermarking Through Self-Information Rewrite Attacks

ICML 2025poster

Text watermarking aims to subtly embeds statistical signals into text by controlling the Large Language Model (LLM)'s sampling process, enabling watermark detectors to verify that the output was generated by the specified model. The robustness of these watermarking algorithms has become a key factor…

2025

SNS-Bench: Defining, Building, and Assessing Capabilities of Large Language Models in Social Networking Services

ICML 2025poster

With the rapid advancement of Social Networking Services (SNS), the need for intelligent and efficient interaction within diverse platforms has become more crucial. Large Language Models (LLMs) play an important role in SNS as they possess the potential to revolutionize user experience, content gene…

Cited by 0SourcePDFScholar
2025

XCOT: Cross-lingual Instruction Tuning for Cross-lingual Chain-of-Thought Reasoning

AAAI 2025technical

Chain-of-thought (CoT) has emerged as a powerful technique to elicit reasoning in large language models and improve a variety of downstream tasks. CoT mainly demonstrates excellent performance in English, but its usage in low-resource languages is constrained due to poor language generalization. To…

Cited by 39SourcePDFScholar
2024

LTA-PCS: Learnable Task-Agnostic Point Cloud Sampling

CVPR 2024poster

Recently many approaches directly operate on point clouds for different tasks. These approaches become more computation and storage demanding when point cloud size is large. To reduce the required computation and storage one possible solution is to sample the point cloud. In this paper we propose th…

Cited by 5SourcePDFScholar
2024

LogFormer: A Pre-train and Tuning Pipeline for Log Anomaly Detection

AAAI 2024technical

Log anomaly detection is a key component in the field of artificial intelligence for IT operations (AIOps). Considering log data of variant domains, retraining the whole network for unknown domains is inefficient in real industrial scenarios. However, previous deep models merely focused on extractin…

2024

OWL: A Large Language Model for IT Operations

ICLR 2024poster

With the rapid advancement of IT operations, managing and analyzing large data volumes efficiently for practical applications has become increasingly critical. Natural Language Processing (NLP) techniques have demonstrated remarkable capabilities in various tasks, including named entity recognition,…

2024

RoleAgent: Building, Interacting, and Benchmarking High-quality Role-Playing Agents from Scripts

NeurIPS 2024poster

Believable agents can empower interactive applications ranging from immersive environments to rehearsal spaces for interpersonal communication. Recently, generative agents have been proposed to simulate believable human behavior by using Large Language Models. However, the existing method heavily re…

Cited by 1SourcePDFScholar
2024

RoleLLM: Benchmarking, Eliciting, and Enhancing Role-Playing Abilities of Large Language Models

ACL 2024findings

The advent of Large Language Models (LLMs) has paved the way for complex tasks such as role-playing, which enhances user interactions by enabling models to imitate various characters. However, the closed-source nature of state-of-the-art LLMs and their general-purpose training limit role-playing opt…

2024

UniCoder: Scaling Code Large Language Model via Universal Code

ACL 2024long

Intermediate reasoning or acting steps have successfully improved large language models (LLMs) for handling various downstream natural language processing (NLP) tasks.When applying LLMs for code generation, recent works mainly focus on directing the models to articulate intermediate natural-language…

2024

m3P: Towards Multimodal Multilingual Translation with Multimodal Prompt

COLING 2024main

Multilingual translation supports multiple translation directions by projecting all languages in a shared space, but the translation quality is undermined by the difference between languages in the text-only modality, especially when the number of languages is large. To bridge this gap, we introduce…

2024

mABC: Multi-Agent Blockchain-inspired Collaboration for Root Cause Analysis in Micro-Services Architecture

EMNLP 2024finding

Root cause analysis (RCA) in Micro-services architecture (MSA) with escalating complexity encounters complex challenges in maintaining system stability and efficiency due to fault propagation and circular dependencies among nodes. Diverse root cause analysis faults require multi-agents with diverse…

2023

M2C: Towards Automatic Multimodal Manga Complement

EMNLP 2023short findings

Multimodal manga analysis focuses on enhancing manga understanding with visual and textual features, which has attracted considerable attention from both natural language processing and computer vision communities. Currently, most comics are hand-drawn and prone to problems such as missing pages, te…

Cited by 0SourcecodeScholar
2022

CROP: Zero-shot Cross-lingual Named Entity Recognition with Multilingual Labeled Sequence Translation

EMNLP 2022finding

Named entity recognition (NER) suffers from the scarcity of annotated training data, especially for low-resource languages without labeled data. Cross-lingual NER has been proposed to alleviate this issue by transferring knowledge from high-resource languages to low-resource languages via aligned cr…

2022

LVP-M3: Language-aware Visual Prompt for Multilingual Multimodal Machine Translation

EMNLP 2022main

Multimodal Machine Translation (MMT) focuses on enhancing text-only translation with visual features, which has attracted considerable attention from both natural language processing and computer vision communities. Recent advances still struggle to train a separate model for each language pair, whi…

Cited by 21SourcePDFScholar
2022

UM4: Unified Multilingual Multiple Teacher-Student Model for Zero-Resource Neural Machine Translation

IJCAI 2022poster

Most translation tasks among languages belong to the zero-resource translation problem where parallel corpora are unavailable. Multilingual neural machine translation (MNMT) enables one-pass translation using shared semantic space for all languages compared to the two-pass pivot translation but ofte…