activity
20232026
most citedArguGPT: evaluating, understanding and identifying argumentative essays generated by GPT models

31 citations · 67 across the 26 of their papers we have counts for

collaborators

27 papers

cs.CL2026

Source-Grounded Semantic Reinforcement Learning for Low-Resource Target-Language Generation

Zeli Su, Ziyin Zhang, Zewei Pan +8

Low-resource target-language generation is often limited by scarce parallel data, while high-resource source-language monolingual data is abundant but difficult to use with standar…

cs.CV2026

FTibSuite: A Comprehensive Resource Suite for Tibetan Vision-Language Modeling

Guixian Xu, Yide Liang, Zeli Su +5

Vision-language models have progressed rapidly, but Tibetan remains a severely underserved low-resource language due to the lack of reproducible training and evaluation infrastruct…

cs.CL2026

TingIS: Real-time Risk Event Discovery from Noisy Customer Incidents at Enterprise Scale

Jun Wang, Ziyin Zhang, Rui Wang +2

Real-time detection and mitigation of technical anomalies are critical for large-scale cloud-native services, where even minutes of downtime can result in massive financial losses…

cs.CL2026

ML-Embed: Inclusive and Efficient Embeddings for a Multilingual World

Ziyin Zhang, Zihan Liao, Hang Yu +2

The development of high-quality text embeddings is increasingly drifting toward an exclusionary future, defined by three critical barriers: prohibitive computational costs, a narro…

cs.CL2026

Reinforcement Learning with Semantic Rewards Enables Low-Resource Language Expansion without Alignment Tax

Zeli Su, Ziyin Zhang, Zhou Liu +7

Extending large language models (LLMs) to low-resource languages often incurs an "alignment tax": improvements in the target language come at the cost of catastrophic forgetting in…

cs.SE2026

Beyond Retrieval: A Multitask Benchmark and Model for Code Search

Siqiao Xue, Zihan Liao, Jin Qin +4

Code search has usually been evaluated as first-stage retrieval, even though production systems rely on broader pipelines with reranking and developer-style queries. Existing bench…

cs.CL2026

F2LLM-v2: Inclusive, Performant, and Efficient Embeddings for a Multilingual World

Ziyin Zhang, Zihan Liao, Hang Yu +2

We present F2LLM-v2, a new family of general-purpose, multilingual embedding models in 8 distinct sizes ranging from 80M to 14B. Trained on a newly curated composite of 60 million…

cs.CL2025

C2LLM Technical Report: A New Frontier in Code Retrieval via Adaptive Cross-Attention Pooling

Jin Qin, Zihan Liao, Ziyin Zhang +3

We present C2LLM - Contrastive Code Large Language Models, a family of code embedding models in both 0.5B and 7B sizes. Building upon Qwen-2.5-Coder backbones, C2LLM adopts a Pooli…

cs.LG2025

SHRP: Specialized Head Routing and Pruning for Efficient Encoder Compression

Zeli Su, Ziyin Zhang, Wenzheng Zhang +3

Transformer encoders are widely deployed in large-scale web services for natural language understanding tasks such as text classification, semantic retrieval, and content ranking.…

cs.SE2025

CodeFuse-CR-Bench: A Comprehensiveness-aware Benchmark for End-to-End Code Review Evaluation in Python Projects

Hanyang Guo, Xunjin Zheng, Zihan Liao +4

Automated code review (CR) is a key application for Large Language Models (LLMs), but progress is hampered by a "reality gap": existing benchmarks evaluate models on isolated sub-t…

cs.CL2025

BabyBabelLM: A Multilingual Benchmark of Developmentally Plausible Training Data

Jaap Jumelet, Abdellah Fourtassi, Akari Haga +23

We present BabyBabelLM, a multilingual collection of datasets modeling the language a person observes from birth until they acquire a native language. We curate developmentally pla…

cs.CL2025

F2LLM Technical Report: Matching SOTA Embedding Performance with 6 Million Open-Source Data

Ziyin Zhang, Zihan Liao, Hang Yu +2

We introduce F2LLM - Foundation to Feature Large Language Models, a suite of state-of-the-art embedding models in three sizes: 0.6B, 1.7B, and 4B. Unlike previous top-ranking embed…

cs.CL2025

CMHG: A Dataset and Benchmark for Headline Generation of Minority Languages in China

Guixian Xu, Zeli Su, Ziyin Zhang +4

Minority languages in China, such as Tibetan, Uyghur, and Traditional Mongolian, face significant challenges due to their unique writing systems, which differ from international st…

cs.CL2025

From Black Box to Transparency: Enhancing Automated Interpreting Assessment with Explainable AI in College Classrooms

Zhaokun Jiang, Ziyin Zhang

Recent advancements in machine learning have spurred growing interests in automated interpreting quality assessment. Nevertheless, existing research suffers from insufficient exami…

cs.SE2025

Code Graph Model (CGM): A Graph-Integrated Large Language Model for Repository-Level Software Engineering Tasks

Hongyuan Tao, Ying Zhang, Zhenhao Tang +12

Recent advances in Large Language Models (LLMs) have shown promise in function-level code generation, yet repository-level software engineering tasks remain challenging. Current so…

cs.CL2025

DeepTheorem: Advancing LLM Reasoning for Theorem Proving Through Natural Language and Reinforcement Learning

Ziyin Zhang, Jiahao Xu, Zhiwei He +10

Theorem proving serves as a major testbed for evaluating complex reasoning abilities in large language models (LLMs). However, traditional automated theorem proving (ATP) approache…

cs.CL2025

Multilingual Encoder Knows more than You Realize: Shared Weights Pretraining for Extremely Low-Resource Languages

Zeli Su, Ziyin Zhang, Guixian Xu +4

While multilingual language models like XLM-R have advanced multilingualism in NLP, they still perform poorly in extremely low-resource languages. This situation is exacerbated by…

cs.CL2024

Draft Model Knows When to Stop: Self-Verification Speculative Decoding for Long-Form Generation

Ziyin Zhang, Jiahao Xu, Tian Liang +4

Conventional speculative decoding (SD) methods utilize a predefined length policy for proposing drafts, which implies the premise that the target model smoothly accepts the propose…

cs.CL2024

GALLa: Graph Aligned Large Language Models for Improved Source Code Understanding

Ziyin Zhang, Hang Yu, Shijie Li +3

Programming languages possess rich semantic information - such as data flow - that is represented by graphs and not available from the surface form of source code. Recent code lang…

cs.CL2024★ 3 cited

Multiple-Choice Questions are Efficient and Robust LLM Evaluators

Ziyin Zhang, Zhaokun Jiang, Lizhen Xu +2

We present GSM-MC, a multiple-choice (MC) dataset constructed by collecting answers and incorrect predictions on GSM8K from 60 open-source models. Through extensive experiments, we…

cs.CL2024★ 1 cited

Is Self-knowledge and Action Consistent or Not: Investigating Large Language Model's Personality

Yiming Ai, Zhiwei He, Ziyin Zhang +5

In this study, we delve into the validity of conventional personality questionnaires in capturing the human-like personality traits of Large Language Models (LLMs). Our objective i…

cs.CL2024★ 8 cited

Convergences and Divergences between Automatic Assessment and Human Evaluation: Insights from Comparing ChatGPT-Generated Translation and Neural Machine Translation

Zhaokun Jiang, Qianxi Lv, Ziyin Zhang +1

Large language models have demonstrated parallel and even superior translation performance compared to neural machine translation (NMT) systems. However, existing comparative studi…

cs.CL2023★ 6 cited

Distinguishing Translations by Human, NMT, and ChatGPT: A Linguistic and Statistical Approach

Zhaokun Jiang, Qianxi Lv, Ziyin Zhang +1

The growing popularity of neural machine translation (NMT) and LLMs represented by ChatGPT underscores the need for a deeper understanding of their distinct characteristics and rel…

cs.CL2023

MELA: Multilingual Evaluation of Linguistic Acceptability

Ziyin Zhang, Yikang Liu, Weifang Huang +3

In this work, we present the largest benchmark to date on linguistic acceptability: Multilingual Evaluation of Linguistic Acceptability -- MELA, with 46K samples covering 10 langua…