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Jipeng ZHANG

39 accepted papers

2026

Faithful in Steps: Improving Generalization and Citation in RAG via Query Decomposition

AAAI 2026technical

Retrieval-augment generation is a prevalent strategy to mitigate hallucinations of LLMs. The attributable RAG (RAGQ) generates quotes for its answers. The quotes indicate which input contexts support the RAG to derive the answers, enhancing the answer

Cited by 0SourcePDFScholar
2026

MARS-SQL: A Multi-Agent Reinforcement Learning Framework For Text-To-SQL

ICML 2026poster

Large Language Models (LLMs) often struggle with the precise logic and schema alignment required for complex Text-to-SQL tasks. While current methods rely heavily on static prompting, they lack the ability to dynamically adapt and self-correct through environmental interaction. To bridge this gap, w…

Cited by 0SourceScholar
2025

AlignGuard: Scalable Safety Alignment for Text-to-Image Generation

ICCV 2025poster

Text-to-image (T2I) models have become widespread, but their limited safety guardrails expose end users to harmful content and potentially allow for model misuse. Current safety measures are typically limited to text-based filtering or concept removal strategies, able to remove just a few concepts f…

Cited by 0SourcePDFScholar
2025

Benchmarking Multi-National Value Alignment for Large Language Models

ACL 2025finding

Do Large Language Models (LLMs) hold positions that conflict with your country’s values? Occasionally they do! However, existing works primarily focus on ethical reviews, failing to capture the diversity of national values, which encompass broader policy, legal, and moral considerations. Furthermore…

2025

Bridge-Coder: Transferring Model Capabilities from High-Resource to Low-Resource Programming Language

ACL 2025finding

Most LLMs universally excel at generating code for high-resource programming languages (HRPLs) like Python, a capability that has become standard due to the abundance of training data. However, they struggle significantly with low-resource programming languages (LRPLs) such as D, exacerbating the di…

2025

DIDS: Domain Impact-aware Data Sampling for Large Language Model Training

EMNLP 2025

Large language models (LLMs) are commonly trained on multi-domain datasets, where domain sampling strategies significantly impact model performance due to varying domain importance across downstream tasks. Existing approaches for optimizing domain-level sampling strategies struggle with maintaining

2025

EAGLE: Expert-Guided Self-Enhancement for Preference Alignment in Pathology Large Vision-Language Model

ACL 2025long

Recent advancements in Large Vision Language Models (LVLMs) show promise for pathological diagnosis, yet their application in clinical settings faces critical challenges of multimodal hallucination and biased responses. While preference alignment methods have proven effective in general domains, acq…

2025

ExeSQL: Self-Taught Text-to-SQL Models with Execution-Driven Bootstrapping for SQL Dialects

EMNLP 2025

Recent text-to-SQL models have achieved strong performance, but their effectiveness remains largely confined to SQLite due to dataset limitations. However, real-world applications require SQL generation across multiple dialects with varying syntax and specialized features, which remains a challenge

2025

G-LLaVA: Solving Geometric Problem with Multi-Modal Large Language Model

ICLR 2025poster

Large language models (LLMs) have shown remarkable proficiency in human-level reasoning and generation capabilities, which encourages extensive research on their application in mathematical problem solving. However, current work has been largely focused on text-based mathematical problems, with limi…

2025

LegalReasoner: Step-wised Verification-Correction for Legal Judgment Reasoning

ACL 2025long

Legal judgment prediction (LJP) aims to function as a judge by making final rulings based on case claims and facts, which plays a vital role in the judicial domain for supporting court decision-making and improving judicial efficiency. However, existing methods often struggle with logical errors whe…

2025

MA-LoT: Model-Collaboration Lean-based Long Chain-of-Thought Reasoning enhances Formal Theorem Proving

ICML 2025poster

Solving mathematical problems using computer-verifiable languages like Lean has significantly impacted the mathematical and computer science communities. State-of-the-art methods utilize a single Large Language Model (LLM) to generate complete proof or perform tree search, but they fail to balance t…

Cited by 0SourcePDFScholar
2025

MMLongBench: Benchmarking Long-Context Vision-Language Models Effectively and Thoroughly

NeurIPS 2025spotlight

The rapid extension of context windows in large vision-language models has given rise to long-context vision-language models (LCVLMs), which are capable of handling hundreds of images with interleaved text tokens in a single forward pass. In this work, we introduce MMLongBench, the first benchmark c…

Cited by 0SourcecodeScholar
2025

Making RALM Robust to Irrelevant Contexts via Layer Knowledge Guided Attention

ACL 2025finding

Retrieval-augmented language models (RALMs) aim to incorporate external knowledge to address the issues of factual hallucination and knowledge obsolescence faced by large language models (LLMs). Inevitably, the retrieved passages based on similarity search may be irrelevant to the given question, an…

2025

Personalized Visual Instruction Tuning

ICLR 2025poster

Recent advancements in multimodal large language models (MLLMs) have demonstrated significant progress; however, these models exhibit a notable limitation, which we refer to as "face blindness." Specifically, they can engage in general conversations but fail to conduct personalized dialogues targeti…

2025

Pointing to a Llama and Call it a Camel: On the Sycophancy of Multimodal Large Language Models

EMNLP 2025

Multimodal large language models (MLLMs) have demonstrated extraordinary capabilities in conducting conversations based on image inputs. However, we observe that MLLMs exhibit a pronounced form of visual sycophantic behavior. While similar behavior has also been noted in text-based large language mo

2025

ScaleBiO: Scalable Bilevel Optimization for LLM Data Reweighting

ACL 2025long

Bilevel optimization has shown its utility across various machine learning settings, yet most algorithms in practice require second-order information, making it challenging to scale them up. Only recently, a paradigm of first-order algorithms has emerged in the theoretical literature, capable of eff…

2025

TAGCOS: Task-agnostic Gradient Clustered Coreset Selection for Instruction Tuning Data

NAACL 2025findings

Instruction tuning has achieved unprecedented success in NLP, turning large language models into versatile chatbots. However, the increasing variety and volume of instruction datasets demand significant computational resources. To address this, it is essential to extract a small and highly informati…

2025

WSI-LLaVA: A Multimodal Large Language Model for Whole Slide Image

ICCV 2025poster

Recent advances in computational pathology have introduced whole slide image (WSI)-level multimodal large language models (MLLMs) for automated pathological analysis. However, current WSI-level MLLMs face two critical challenges: limited explainability in their decision-making process and insufficie…

Cited by 0SourcePDFScholar
2024

FIRST: Teach A Reliable Large Language Model Through Efficient Trustworthy Distillation

EMNLP 2024main

Large language models (LLMs) have become increasingly prevalent in our daily lives, leading to an expectation for LLMs to be trustworthy —- both accurate and well-calibrated (the prediction confidence should align with its ground truth correctness likelihood). Nowadays, fine-tuning has become the mo…

2024

Image Textualization: An Automatic Framework for Generating Rich and Detailed Image Descriptions

NeurIPS 2024poster

Image description datasets play a crucial role in the advancement of various applications such as image understanding, text-to-image generation, and text-image retrieval. Currently, image description datasets primarily originate from two sources. One source is the scraping of image-text pairs from t…

Cited by 0SourcePDFScholar
2024

LISA: Layerwise Importance Sampling for Memory-Efficient Large Language Model Fine-Tuning

NeurIPS 2024poster

The machine learning community has witnessed impressive advancements since large language models (LLMs) first appeared. Yet, their massive memory consumption has become a significant roadblock to large-scale training. For instance, a 7B model typically requires at least 60 GB of GPU memory with full…

2024

LMFlow: An Extensible Toolkit for Finetuning and Inference of Large Foundation Models

NAACL 2024system demonstrations

Foundation models have demonstrated a great ability to achieve general human-level intelligence far beyond traditional approaches. As the technique keeps attracting attention from the AI community, more and more foundation models have become publicly available.However, most of those models exhibit a…

2024

MLLM-Protector: Ensuring MLLM’s Safety without Hurting Performance

EMNLP 2024main

The deployment of multimodal large language models (MLLMs) has brought forth a unique vulnerability: susceptibility to malicious attacks through visual inputs. This paper investigates the novel challenge of defending MLLMs against such attacks. Compared to large language models (LLMs), MLLMs include…

2024

Mitigating the Alignment Tax of RLHF

EMNLP 2024main

LLMs acquire a wide range of abilities during pre-training, but aligning LLMs under Reinforcement Learning with Human Feedback (RLHF) can lead to forgetting pretrained abilities, which is also known as the alignment tax. To investigate alignment tax, we conducted experiments with existing RLHF algor…

2024

PerceptionGPT: Effectively Fusing Visual Perception into LLM

CVPR 2024highlight

The integration of visual inputs with large language models (LLMs) has led to remarkable advancements in multi-modal capabilities giving rise to vision large language models (VLLMs). However effectively harnessing LLMs for intricate visual perception tasks such as detection and segmentation remains…

Cited by 28SourcePDFScholar
2024

Plum: Prompt Learning using Metaheuristics

ACL 2024findings

Since the emergence of large language models, prompt learning has become a popular method for optimizing and customizing these models. Special prompts, such as Chain-of-Thought, have even revealed previously unknown reasoning capabilities within these models. However, the progress of discovering eff…

Cited by 13SourcePDFScholar
2024

SceMQA: A Scientific College Entrance Level Multimodal Question Answering Benchmark

ACL 2024short

The paper introduces SceMQA, a novel benchmark for scientific multimodal question answering at the college entrance level. It addresses a critical educational phase often overlooked in existing benchmarks, spanning high school to pre-college levels. SceMQA focuses on core science subjects including…

Cited by 5SourcePDFScholar
2024

Strengthening Multimodal Large Language Model with Bootstrapped Preference Optimization

ECCV 2024oral

"Multimodal Large Language Models (MLLMs) excel in generating responses based on visual inputs. However, they often suffer from a bias towards generating responses similar to their pretraining corpus, overshadowing the importance of visual information. We treat this bias as a “preference” for pretra…

2024

TensorOpera Router: A Multi-Model Router for Efficient LLM Inference

EMNLP 2024industry

With the rapid growth of Large Language Models (LLMs) across various domains, numerous new LLMs have emerged, each possessing domain-specific expertise. This proliferation has highlighted the need for quick, high-quality, and cost-effective LLM query response methods. Yet, no single LLM exists to ef…

Cited by 10SourcePDFScholar
2024

The Instinctive Bias: Spurious Images lead to Illusion in MLLMs

EMNLP 2024main

Large language models (LLMs) have recently experienced remarkable progress, where the advent of multi-modal large language models (MLLMs) has endowed LLMs with visual capabilities, leading to impressive performances in various multi-modal tasks. However, those powerful MLLMs such as GPT-4V still fai…

2024

TheoremLlama: Transforming General-Purpose LLMs into Lean4 Experts

EMNLP 2024main

Proving mathematical theorems using computer-verifiable formal languages like Lean significantly impacts mathematical reasoning. One approach to formal theorem proving involves generating complete proofs using Large Language Models (LLMs) based on Natural Language (NL) proofs. However, due to the sc…

2023

Compositional Mathematical Encoding for Math Word Problems

ACL 2023findings

Solving math word problem (MWP) remains a challenging task, as it requires to understand both the semantic meanings of the text and the mathematical logic among quantities, i.e., for both semantics modal and quantity modal learning. Current MWP encoders work in a uni-modal setting and map the given…

Cited by 5SourcePDFScholar
2023

Generalizing Math Word Problem Solvers via Solution Diversification

AAAI 2023technical

Current math word problem (MWP) solvers are usually Seq2Seq models trained by the (one-problem; one-solution) pairs, each of which is made of a problem description and a solution showing reasoning flow to get the correct answer. However, one MWP problem naturally has multiple solution equations. Th…

2023

UniMath: A Foundational and Multimodal Mathematical Reasoner

EMNLP 2023short main

While significant progress has been made in natural language processing (NLP), existing methods exhibit limitations in effectively interpreting and processing diverse mathematical modalities. Therefore, we introduce UniMath, a versatile and unified system designed for multimodal mathematical reasoni…

Cited by 0SourceScholar
2022

Analogical Math Word Problems Solving with Enhanced Problem-Solution Association

EMNLP 2022main

Math word problem (MWP) solving is an important task in question answering which requires human-like reasoning ability. Analogical reasoning has long been used in mathematical education, as it enables students to apply common relational structures of mathematical situations to solve new problems. In…

2022

MWP-BERT: Numeracy-Augmented Pre-training for Math Word Problem Solving

NAACL 2022findings

Math word problem (MWP) solving faces a dilemma in number representation learning. In order to avoid the number representation issue and reduce the search space of feasible solutions, existing works striving for MWP solving usually replace real numbers with symbolic placeholders to focus on logic re…

2020

Teacher-Student Networks with Multiple Decoders for Solving Math Word Problem

IJCAI 2020poster

Math word problem (MWP) is challenging due to the limitation in training data where only one “standard” solution is available. MWP models often simply fit this solution rather than truly understand or solve the problem. The generalization of models (to diverse word scenarios) is thus limited. To add…