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Shiwen Ni

20 accepted papers

2026

Automatic Paper Reviewing with Heterogeneous Graph Reasoning over LLM-Simulated Reviewer-Author Debates

AAAI 2026technical

Existing paper review methods often rely on superficial manuscript features or directly on large language models (LLMs), which are prone to hallucinations, biased scoring, and limited reasoning capabilities. Moreover, these methods often fail to capture the complex argumentative reasoning and negoti

Cited by 0SourcePDFScholar
2026

IV-Bench: A Benchmark for Image-Grounded Video Perception and Reasoning in Multimodal LLMs

ICLR 2026poster

Existing evaluation frameworks for Multimodal Large Language Models (MLLMs) primarily focus on image reasoning or general video understanding tasks, largely overlooking the significant role of image context in video comprehension. To bridge this gap, we propose \textbf{IV-Bench}, the first comprehen…

Cited by 0SourcecodeScholar
2026

ScaleLong: A Multi-Timescale Benchmark for Long Video Understanding

ICLR 2026poster

Understanding long videos requires Multimodal Large Language Models (MLLMs) to grasp multi-timescale information, often organized in hierarchies. However, current long-video understanding benchmarks either overlook multi-timescale design or distribute questions targeting different timescales across…

Cited by 0SourcecodeScholar
2025

AgentCourt: Simulating Court with Adversarial Evolvable Lawyer Agents

ACL 2025finding

Current research in LLM-based simulation systems lacks comprehensive solutions for modeling real-world court proceedings, while existing legal language models struggle with dynamic courtroom interactions. We present **AgentCourt**, a comprehensive legal simulation framework that addresses these chal…

2025

COIG-CQIA: Quality is All You Need for Chinese Instruction Fine-tuning

NAACL 2025findings

Remarkable progress on large language models (LLMs), particularly in English, has facilitated impressive capabilities in following human instructions. However, there remains a noticeable gap in instruction fine-tuning for Chinese, where the complex linguistic features pose significant challenges. Ex…

2025

Can MLLMs Understand the Deep Implication Behind Chinese Images?

ACL 2025long

As the capabilities of Multimodal Large Language Models (MLLMs) improve, the need for higher-order evaluation of them is increasing. However, there is a lack of work evaluating MLLM for higher-order perception and understanding of Chinese visual content. To address this, we introduce the CII-Bench,…

2025

Earley-Driven Dynamic Pruning for Efficient Structured Decoding

ICML 2025poster

Large Language Models (LLMs) have shown remarkable capabilities, yet ensuring their outputs conform to strict structural or grammatical constraints remains challenging, which is critical in function calls and domain-specific language (DSL) generation. Constrained decoding with context-free grammar i…

2025

Expanding before Inferring: Enhancing Factuality in Large Language Models through Premature Layers Interpolation

EMNLP 2025

Large Language Models (LLMs) demonstrate remarkable capabilities in text understanding and generation. However, their tendency to produce factually inconsistent outputs—commonly referred to as “hallucinations”—remains a critical challenge. Existing approaches, such as retrieval-based and inference-t

2025

LIME: Less Is More for MLLM Evaluation

ACL 2025finding

Multimodal Large Language Models (MLLMs) are measured on numerous benchmarks like image captioning, visual question answer, and reasoning. However, these benchmarks often include overly simple or uninformative samples, making it difficult to effectively distinguish the performance of different MLLMs…

2025

Pre-training, Fine-tuning and Re-ranking: A Three-Stage Framework for Legal Question Answering

ICASSP 2025accepted

Legal question answering (QA) has attracted increasing attention from people seeking legal advice, which aims to retrieve the most applicable answers from a large-scale database of question-answer pairs. Previous methods mainly use a dual-encoder architecture to learn dense representations of both q…

Cited by 0SourceScholar
2025

Quantification of Large Language Model Distillation

ACL 2025long

Model distillation is a fundamental technique in building large language models (LLMs), transferring knowledge from a teacher model to a student model. However, distillation can lead to model homogenization, reducing diversity among models and impairing their ability to robustly handle complex or no…

2025

SuperGPQA: Scaling LLM Evaluation across 285 Graduate Disciplines

NeurIPS 2025poster

Large language models (LLMs) have demonstrated remarkable proficiency in mainstream academic disciplines such as mathematics, physics, and computer science. However, human knowledge encompasses over 200 specialized disciplines, far exceeding the scope of existing benchmarks. The capabilities of LLMs…

Cited by 215SourceScholar
2025

Training on the Benchmark Is Not All You Need

AAAI 2025technical

The success of Large Language Models (LLMs) relies heavily on the huge amount of pre-training data learned in the pre-training phase. The opacity of the pre-training process and the training data causes the results of many benchmark tests to become unreliable. If any model has been trained on a benc…

2024

E-EVAL: A Comprehensive Chinese K-12 Education Evaluation Benchmark for Large Language Models

ACL 2024findings

The rapid development of Large Language Models (LLMs) has led to their increasing utilization in Chinese K-12 education. Despite the growing integration of LLMs and education, the absence of a dedicated benchmark for evaluating LLMs within this domain presents a pressing concern. Consequently, there…

2024

Enhancing Noise Robustness of Retrieval-Augmented Language Models with Adaptive Adversarial Training

ACL 2024long

Large Language Models (LLMs) exhibit substantial capabilities yet encounter challenges including hallucination, outdated knowledge, and untraceable reasoning processes. Retrieval-augmented generation (RAG) has emerged as a promising solution, integrating knowledge from external databases to mitigate…

2024

Forgetting before Learning: Utilizing Parametric Arithmetic for Knowledge Updating in Large Language Models

ACL 2024long

Recent advancements in Large Language Models (LLMs) have showcased their remarkable capabilities in text understanding and generation. However, even stronger LLMs are susceptible to acquiring erroneous or obsolete information from the training corpus. Direct secondary fine-tuning with data containin…

Cited by 22SourcePDFScholar
2024

II-Bench: An Image Implication Understanding Benchmark for Multimodal Large Language Models

NeurIPS 2024poster

The rapid advancements in the development of multimodal large language models (MLLMs) have consistently led to new breakthroughs on various benchmarks. In response, numerous challenging and comprehensive benchmarks have been proposed to more accurately assess the capabilities of MLLMs. However, ther…

Cited by 7SourcePDFScholar
2024

Layer-wise Regularized Dropout for Neural Language Models

COLING 2024main

Among the various pre-trained neural language models that are popular today, dropout is already an indispensable regularization technique. To solve the inconsistency between training and inference caused by the randomness of dropout, some studies use consistency training to regularize dropout at the…

Cited by 3SourcePDFScholar
2024

MoZIP: A Multilingual Benchmark to Evaluate Large Language Models in Intellectual Property

COLING 2024main

Large language models (LLMs) have demonstrated impressive performance in various natural language processing (NLP) tasks. However, there is limited understanding of how well LLMs perform in specific domains (e.g, the intellectual property (IP) domain). In this paper, we contribute a new benchmark, t…

2022

R-AT: Regularized Adversarial Training for Natural Language Understanding

EMNLP 2022finding

Currently, adversarial training has become a popular and powerful regularization method in the natural language domain. In this paper, we Regularized Adversarial Training (R-AT) via dropout, which forces the output probability distributions of different sub-models generated by dropout to be consiste…