Papers by Tianle Zhang

12 papers
DMHM: Density-aware Manifold Learning and Hybrid Mahalanobis Energy for LLMs-generated Text Detection (2026.acl-long)

Copied to clipboard

Challenge: Existing methods for LGT detection assume that it is a single homogeneous distribution.
Approach: They propose a framework for LGT detection based on density-aware manifold learning and hybrid Mahalanobis energy.
Outcome: The proposed framework outperforms baselines in detecting LLM-generated text (LGT) it is based on density-aware manifold learning and hybrid Mahalanobis energy .
The Mark Fades: Adaptive Evolutionary Paraphrase-based Attack against LLM Watermarks (2026.findings-acl)

Copied to clipboard

Challenge: Existing paraphrase-based watermark removal methods struggle to balance efficacy with text quality.
Approach: They propose a training-free evolutionary framework that models watermark removal as a constrained multi-objective optimization problem by using a Pseudo-Log-Likelihood-guided mutation to precisely target and modify watermark-carrying tokens.
Outcome: The proposed method outperforms baseline methods on a Qwen3 series watermark scheme while maintaining high semantic fidelity.
AnaMeta: A Table Understanding Dataset of Field Metadata Knowledge Shared by Multi-dimensional Data Analysis Tasks (2023.findings-acl)

Copied to clipboard

Challenge: Tabular data analysis is performed everyday across various domains.
Approach: They propose to use a dataset of 467k tables with supervision labels for four types of field metadata.
Outcome: The proposed framework improves the understanding capability of tabular models by incorporating distribution and knowledge information.
LatticeGen: Hiding Generated Text in a Lattice for Privacy-Aware Large Language Model Generation on Cloud (2024.findings-naacl)

Copied to clipboard

Challenge: Currently, the server controls the generated text, but users can't keep it private . prompted generation is a common interaction paradigm for large language models on cloud .
Approach: They propose a protocol where the server handles most of the computation while the client controls the sampling operation.
Outcome: The proposed protocol protects both prompt and generation under strong attacks.
Invisible Entropy: Towards Safe and Efficient Low-Entropy LLM Watermarking (2025.emnlp-main)

Copied to clipboard

Challenge: Existing methods to watermark low-entropy content are expensive and risky . IE reduces parameter size by 99% while achieving performance on par with state-of-the-art methods .
Approach: They propose a logit-based watermarking paradigm that uses entropy-based features to predict whether the next token is high or low.
Outcome: The proposed method reduces parameter size by 99% while achieving performance on par with state-of-the-art methods.
Visual Attention Reasoning via Hierarchical Search and Self-Verification (2026.acl-long)

Copied to clipboard

Challenge: Multimodal Large Language Models (MLLMs) often hallucinate due to fragile, linear reasoning and weak visual grounding.
Approach: They propose a framework that reformulates reasoning as a hierarchical search with self-verification and replaces linear Chain-of-Thought with a tree-search policy capable of backtracking to correct logical errors.
Outcome: The proposed framework outperforms state-of-the-art methods on hallucination and safety benchmarks.
SWE-Swiss: A Multi-Task Fine-Tuning and RL Recipe for High-Performance Issue Resolution (2026.findings-acl)

Copied to clipboard

Challenge: SWE-Swiss-32B demonstrates strong generalization to other common LLM benchmarks.
Approach: They propose a two-phase training recipe that decomposes issue resolution into three core skills: Localization, Repair, and Unit Test Generation.
Outcome: The proposed model achieves a 60.2% score on the SWE-bench Verified benchmark and is in the top-tier performance bracket of much larger models.
On the Blind Spots of Model-Based Evaluation Metrics for Text Generation (2023.acl-long)

Copied to clipboard

Challenge: Existing methods for text generation evaluation metrics are lacking in robustness analysis.
Approach: They propose to use stress tests to test for errors in text generation evaluation metrics . they find that BERTScore is confused by truncation errors in summarization .
Outcome: The proposed stress tests show that they are insensitive to errors in open-ended generation, translation, and summarization.
CoLLiE: Collaborative Training of Large Language Models in an Efficient Way (2023.emnlp-demo)

Copied to clipboard

Challenge: Large language models (LLMs) are increasingly pivotal in a wide range of tasks . however, the resources required for training these models necessitate efficient solutions .
Approach: They propose a library that facilitates collaborative training of large language models . they use 3D parallelism, parameter-efficient fine-tuning methods and optimizers .
Outcome: The proposed library has proven superior training efficiency in comparison with prevalent solutions in pre-training and fine-tuning scenarios.
MelTrim: Coarse-to-Fine Data Pruning for Speech Classification (2026.findings-acl)

Copied to clipboard

Challenge: Unlike image or text classification, speech classification tasks are particularly challenging due to the difficulty in capturing the acoustic, semantic, and contextual representations.
Approach: They propose a dataset pruning method that coarsely filters redundant samples using DBSCAN clustering on Mel-Frequency Cepstral Coefficients (MFCC) features.
Outcome: The proposed method achieves 49.5% improvement in WA on the MEAD dataset and 41.9% reduction in EER on speaker identification tasks.
BNLP: A Text Annotation Platform for Quality Control of LLM-Generated Annotations (2026.findings-acl)

Copied to clipboard

Challenge: Existing annotation tools lack support for Large Language Models (LLMs) or use LLMs as one-off preannotation engines, compromising data reliability.
Approach: They propose a text annotation platform that embeds LLM-assisted labeling into a quality-aware collaborative workflow.
Outcome: Experiments show that BNLP reduces annotation time by 74.3% and improves annotation quality by 11.6% over purely manual annotation in LLM-assisted settings.
TeachMaster: Generative Teaching via Code (2026.acl-industry)

Copied to clipboard

Challenge: Existing methods for creating video content are limited by high costs and slow update cycles.
Approach: They propose a paradigm shifting educators from manual creators to high-level directors who focus on pedagogical intents while agents handle execution.
Outcome: The proposed framework reduces production costs to 0.3% of traditional course videos and provides a robust solution for scalable education.

What is GenGO?

GenGO is an NLP powered publication search system. It currenctly indexes 30k+ papers from ACL Anthology, and implements multi-aspect summarization, semantic search, and more!

Information

About
Limitations