← Search

Houxing Ren

17 accepted papers

2026

Edit-Based Refinement for Parallel Masked Diffusion Language Models

ICML 2026poster

Masked diffusion language models enable parallel token generation and offer improved decoding efficiency over autoregressive models. However, their performance degrades significantly when generating multiple tokens simultaneously, due to a mismatch between token-level training objectives and the nee…

Cited by 0SourceScholar
2026

From Solver to Tutor: Evaluating the Pedagogical Intelligence of LLMs with KMP-Bench

AAAI 2026technical

Large Language Models (LLMs) show significant potential in AI mathematical tutoring, yet current evaluations often rely on simplistic metrics or narrow pedagogical scenarios, failing to assess comprehensive, multi-turn teaching effectiveness. In this paper, we introduce KMP-Bench, a comprehensive K-

Cited by 0SourcePDFScholar
2026

FullStack-Agent: Enhancing Agentic Full-Stack Web Coding via Development-Oriented Testing and Repository Back-Translation

ICML 2026poster

Assisting non-expert users to develop complex interactive websites has become a popular task for LLM-powered code agents. However, existing code agents tend to only generate frontend web pages, masking the lack of real full-stack data processing and storage with fancy visual effects. Notably, constr…

Cited by 0SourceScholar
2026

WebGen-Agent: Enhancing Interactive Website Generation with Multi-Level Feedback and Step-Level Reinforcement Learning

ICLR 2026poster

Agent systems powered by large language models (LLMs) have demonstrated impressive performance on repository-level code-generation tasks. However, for tasks such as website codebase generation, which depend heavily on visual effects and user-interaction feedback, current code agents rely only on sim…

Cited by 0SourcecodeScholar
2025

Alignment with Fill-In-the-Middle for Enhancing Code Generation

EMNLP 2025

The code generation capabilities of Large Language Models (LLMs) have advanced applications like tool invocation and problem-solving. However, improving performance in code-related tasks remains challenging due to limited training data that is verifiable with accurate test cases. While Direct Prefer

2025

MathCoder-VL: Bridging Vision and Code for Enhanced Multimodal Mathematical Reasoning

ACL 2025finding

Natural language image-caption datasets, widely used for training Large Multimodal Models, mainly focus on natural scenarios and overlook the intricate details of mathematical figures that are critical for problem-solving, hindering the advancement of current LMMs in multimodal mathematical reasonin…

2025

MathCoder2: Better Math Reasoning from Continued Pretraining on Model-translated Mathematical Code

ICLR 2025spotlight

Code has been shown to be effective in enhancing the mathematical reasoning abilities of large language models due to its precision and accuracy. Previous works involving continued mathematical pretraining often include code that utilizes math-related packages, which are primarily designed for fiel…

2025

Probability-Consistent Preference Optimization for Enhanced LLM Reasoning

ACL 2025finding

Recent advances in preference optimization have demonstrated significant potential for improving mathematical reasoning capabilities in large language models (LLMs). While current approaches leverage high-quality pairwise preference data through outcome-based criteria like answer correctness or cons…

2025

ReflectionCoder: Learning from Reflection Sequence for Enhanced One-off Code Generation

ACL 2025long

Code generation plays a crucial role in various tasks, such as code auto-completion and mathematical reasoning. Previous work has proposed numerous methods to enhance code generation performance, including integrating feedback from the compiler. Inspired by this, we present ReflectionCoder, a novel…

2025

WebGen-Bench: Evaluating LLMs on Generating Interactive and Functional Websites from Scratch

NeurIPS 2025oral

LLM‑based agents have demonstrated great potential in generating and managing code within complex codebases. In this paper, we introduce WebGen-Bench, a novel benchmark designed to measure an LLM-based agent's ability to create multi-file website codebases from scratch. It contains diverse instructi…

Cited by 0SourcecodeScholar
2024

Empowering Character-level Text Infilling by Eliminating Sub-Tokens

ACL 2024long

In infilling tasks, sub-tokens, representing instances where a complete token is segmented into two parts, often emerge at the boundaries of prefixes, middles, and suffixes. Traditional methods focused on training models at the token level, leading to sub-optimal performance in character-level infil…

2024

MathCoder: Seamless Code Integration in LLMs for Enhanced Mathematical Reasoning

ICLR 2024poster

The recently released GPT-4 Code Interpreter has demonstrated remarkable proficiency in solving challenging math problems, primarily attributed to its ability to seamlessly reason with natural language, generate code, execute code, and continue reasoning based on the execution output. In this paper,…

2024

MathGenie: Generating Synthetic Data with Question Back-translation for Enhancing Mathematical Reasoning of LLMs

ACL 2024long

Large language models (LLMs) have exhibited great potential in mathematical reasoning. However, there remains a performance gap in this area between existing open-source models and closed-source models such as GPT-4. In this paper, we introduce MathGenie, a novel method for generating diverse and re…

2024

Measuring Multimodal Mathematical Reasoning with MATH-Vision Dataset

NeurIPS 2024poster

Recent advancements in Large Multimodal Models (LMMs) have shown promising results in mathematical reasoning within visual contexts, with models exceeding human-level performance on existing benchmarks such as MathVista. However, we observe significant limitations in the diversity of questions and b…

Cited by 113SourcePDFScholar
2022

Empowering Dual-Encoder with Query Generator for Cross-Lingual Dense Retrieval

EMNLP 2022main

In monolingual dense retrieval, lots of works focus on how to distill knowledge from cross-encoder re-ranker to dual-encoder retriever and these methods achieve better performance due to the effectiveness of cross-encoder re-ranker. However, we find that the performance of the cross-encoder re-ranke…

Cited by 8SourcePDFScholar
2022

Lexicon-Enhanced Self-Supervised Training for Multilingual Dense Retrieval

EMNLP 2022finding

Recent multilingual pre-trained models have shown better performance in various multilingual tasks. However, these models perform poorly on multilingual retrieval tasks due to lacking multilingual training data. In this paper, we propose to mine and generate self-supervised training data based on a…

2022

Unsupervised Context Aware Sentence Representation Pretraining for Multi-lingual Dense Retrieval

IJCAI 2022poster

Recent research demonstrates the effectiveness of using pretrained language models (PLM) to improve dense retrieval and multilingual dense retrieval. In this work, we present a simple but effective monolingual pretraining task called contrastive context prediction (CCP) to learn sentence representat…