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An important challenge in machine translation (MT) is to generate high-quality and diverse translations. Prior work has shown that the estimated likelihood from the MT model correlates poorly with translation quality. In contrast, quality…

Measuring the in-context computational effort of language models is a key challenge, as metrics like next-token loss fail to capture reasoning complexity. Prior methods based on latent state compressibility can be invasive and unstable. We…

机器学习 · 计算机科学 2025-12-30 Vincent Herrmann , Eric Alcaide , Michael Wand , Jürgen Schmidhuber

With the rapid advancement of generative AI, synthetic content across images, videos, and audio has become increasingly realistic, amplifying the risk of misinformation. Existing detection approaches predominantly focus on binary…

机器学习 · 计算机科学 2025-07-23 Xu Yang , Qi Zhang , Shuming Jiang , Yaowen Xu , Zhaofan Zou , Hao Sun , Xuelong Li

Machine Translation (MT) and automatic MT evaluation have improved dramatically in recent years, enabling numerous novel applications. Automatic evaluation techniques have evolved from producing scalar quality scores to precisely locating…

计算与语言 · 计算机科学 2026-03-23 Stefano Perrella , Eric Morales Agostinho , Hugo Zaragoza

Detecting text generated by large language models (LLMs) is of great recent interest. With zero-shot methods like DetectGPT, detection capabilities have reached impressive levels. However, the reliability of existing detectors in real-world…

计算与语言 · 计算机科学 2025-03-13 Junchao Wu , Runzhe Zhan , Derek F. Wong , Shu Yang , Xinyi Yang , Yulin Yuan , Lidia S. Chao

A robust evaluation metric has a profound impact on the development of text generation systems. A desirable metric compares system output against references based on their semantics rather than surface forms. In this paper we investigate…

计算与语言 · 计算机科学 2019-09-27 Wei Zhao , Maxime Peyrard , Fei Liu , Yang Gao , Christian M. Meyer , Steffen Eger

Token-based masked generative models are gaining popularity for their fast inference time with parallel decoding. While recent token-based approaches achieve competitive performance to diffusion-based models, their generation performance is…

机器学习 · 计算机科学 2023-04-05 Jaewoong Lee , Sangwon Jang , Jaehyeong Jo , Jaehong Yoon , Yunji Kim , Jin-Hwa Kim , Jung-Woo Ha , Sung Ju Hwang

The powerful ability to understand, follow, and generate complex language emerging from large language models (LLMs) makes LLM-generated text flood many areas of our daily lives at an incredible speed and is widely accepted by humans. As…

计算与语言 · 计算机科学 2024-04-22 Junchao Wu , Shu Yang , Runzhe Zhan , Yulin Yuan , Derek F. Wong , Lidia S. Chao

Given Wikipedia's role as a trusted source of high-quality, reliable content, concerns are growing about the proliferation of low-quality machine-generated text (MGT) produced by large language models (LLMs) on its platform. Reliable…

计算与语言 · 计算机科学 2025-07-08 Gerrit Quaremba , Elizabeth Black , Denny Vrandečić , Elena Simperl

One of the key problems in multi-label text classification is how to take advantage of the correlation among labels. However, it is very challenging to directly model the correlations among labels in a complex and unknown label space. In…

计算与语言 · 计算机科学 2023-03-16 Rui Song , Xingbing Chen , Zelong Liu , Haining An , Zhiqi Zhang , Xiaoguang Wang , Hao Xu

The rise of large language models (LLMs) like ChatGPT has significantly improved automated code generation, enhancing software development efficiency. However, this introduces challenges in academia, particularly in distinguishing between…

软件工程 · 计算机科学 2025-01-08 Zhenyu Xu , Victor S. Sheng

Machine-Generated Text (MGT) is becoming increasingly difficult to distinguish from Human-Written Text (HWT). This trend has exacerbated malicious activities such as fake news and online fraud. The generalization ability of fine-tuned…

计算与语言 · 计算机科学 2026-05-29 Anyang Song , Ying Cheng , Yiqian Xu , Rui Feng

Large language models (LLMs) have demonstrated remarkable capabilities in generating high-quality texts across diverse domains. However, the potential misuse of LLMs has raised significant concerns, underscoring the urgent need for reliable…

计算与语言 · 计算机科学 2024-10-10 Yihuai Xu , Yongwei Wang , Yifei Bi , Huangsen Cao , Zhouhan Lin , Yu Zhao , Fei Wu

In document-level neural machine translation (DocNMT), multi-encoder approaches are common in encoding context and source sentences. Recent studies \cite{li-etal-2020-multi-encoder} have shown that the context encoder generates noise and…

计算与语言 · 计算机科学 2024-07-04 Ramakrishna Appicharla , Baban Gain , Santanu Pal , Asif Ekbal , Pushpak Bhattacharyya

The effective detection and governance of Large Language Model (LLM) generated content has become increasingly critical due to the growing risk of misuse. Despite the impressive performance of existing detectors, their reliability and…

计算与语言 · 计算机科学 2026-05-20 Junchao Wu , Yefeng Liu , Chenyu Zhu , Hao Zhang , Zeyu Wu , Tianqi Shi , Yichao Du , Longyue Wang , Weihua Luo , Jinsong Su , Derek F. Wong

Existing methods for the zero-shot detection of machine-generated text are dominated by three statistical quantities: log-likelihood, log-rank, and entropy. As language models mimic the distribution of human text ever closer, this will…

计算与语言 · 计算机科学 2025-03-27 Tom Kempton , Stuart Burrell , Connor Cheverall

The latest trend in the bottom-up perspective for arbitrary-shape scene text detection is to reason the links between text segments using Graph Convolutional Network (GCN). Notwithstanding, the performance of the best performing bottom-up…

多媒体 · 计算机科学 2024-04-23 Chengpei Xu , Wenjing Jia , Tingcheng Cui , Ruomei Wang , Yuan-fang Zhang , Xiangjian He

Since the proliferation of LLMs, there have been concerns about their misuse for harmful content creation and spreading. Recent studies justify such fears, providing evidence of LLM vulnerabilities and high potential of their misuse. Humans…

计算与语言 · 计算机科学 2025-03-20 Dominik Macko , Robert Moro , Ivan Srba

Recent releases of Large Language Models (LLMs), e.g. ChatGPT, are astonishing at generating human-like texts, but they may impact the authenticity of texts. Previous works proposed methods to detect these AI-generated texts, including…

计算与语言 · 计算机科学 2024-03-06 Yuchuan Tian , Hanting Chen , Xutao Wang , Zheyuan Bai , Qinghua Zhang , Ruifeng Li , Chao Xu , Yunhe Wang

Much of natural language processing is focused on leveraging large capacity language models, typically trained over single messages with a task of predicting one or more tokens. However, modeling human language at higher-levels of context…

计算与语言 · 计算机科学 2021-11-03 Matthew Matero , Nikita Soni , Niranjan Balasubramanian , H. Andrew Schwartz