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Early Detection of Risks (EDR) on the Web involves identifying at-risk users as early as possible. Although Large Language Models (LLMs) have proven to solve various linguistic tasks efficiently, assessing their reasoning ability in…

计算与语言 · 计算机科学 2025-03-28 Horacio Thompson , Maximiliano Sapino , Edgardo Ferretti , Marcelo Errecalde

Foundation models such as Segment Anything Model 3 (SAM3) enable flexible text-guided medical image segmentation, yet their predictions remain highly sensitive to prompt formulation. Even semantically equivalent descriptions can yield…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Yonghuang Wu , Zhenyang Liang , Wenwen Zeng , Xuan Xie , Jinhua Yu

Entropy-based confidence signals are increasingly leveraged to improve reasoning in large language models (LLMs), yet existing approaches treat confidence as a static quantity -- typically aggregated over tokens. We show that the…

机器学习 · 计算机科学 2026-03-09 Chenghua Zhu , Siyan Wu , Xiangkang Zeng , Zishan Xu , Zhaolu Kang , Yifu Guo , Yuquan Lu , Junduan Huang , Guojing Zhou

Recently, researches have explored the graph neural network (GNN) techniques on text classification, since GNN does well in handling complex structures and preserving global information. However, previous methods based on GNN are mainly…

计算与语言 · 计算机科学 2019-10-09 Lianzhe Huang , Dehong Ma , Sujian Li , Xiaodong Zhang , Houfeng WANG

With the great success of deep learning in various domains, graph neural networks (GNNs) also become a dominant approach to graph classification. By the help of a global readout operation that simply aggregates all node (or node-cluster)…

机器学习 · 计算机科学 2021-11-24 Dongha Lee , Su Kim , Seonghyeon Lee , Chanyoung Park , Hwanjo Yu

Most of the textual information available to us are temporally variable. In a world where information is dynamic, time-stamping them is a very important task. Documents are a good source of information and are used for many tasks like,…

计算与语言 · 计算机科学 2021-06-29 Swayambhu Nath Ray

Toxicity detection mitigates the dissemination of toxic content (e.g., hateful comments, posts, and messages within online social actions) to safeguard a healthy online social environment. However, malicious users persistently develop…

计算与语言 · 计算机科学 2026-03-17 Hankun Kang , Xin Miao , Jianhao Chen , Jintao Wen , Mayi Xu , Weiyu Zhang , Wenpeng Lu , Tieyun Qian

Cross-modal retrieval between videos and texts has attracted growing attentions due to the rapid emergence of videos on the web. The current dominant approach for this problem is to learn a joint embedding space to measure cross-modal…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Shizhe Chen , Yida Zhao , Qin Jin , Qi Wu

Existing offline hierarchical reinforcement learning methods rely on high-level policy learning to generate subgoal sequences. However, their efficiency degrades as task horizons increase, and they lack effective strategies for stitching…

机器学习 · 计算机科学 2025-07-08 Seungho Baek , Taegeon Park , Jongchan Park , Seungjun Oh , Yusung Kim

Short-term load forecasting (STLF) is challenging due to complex time series (TS) which express three seasonal patterns and a nonlinear trend. This paper proposes a novel hybrid hierarchical deep learning model that deals with multiple…

机器学习 · 计算机科学 2021-12-07 Slawek Smyl , Grzegorz Dudek , Paweł Pełka

The generation of explanation graphs is a significant task that aims to produce explanation graphs in response to user input, revealing the internal reasoning process. This task is challenging due to the significant discrepancy between…

计算与语言 · 计算机科学 2023-06-02 Han Cui , Shangzhan Li , Yu Zhang , Qi Shi

This paper presents an approach based on supervised machine learning methods to build a classifier that can identify text complexity in order to present Arabic language learners with texts suitable to their levels. The approach is based on…

计算与语言 · 计算机科学 2021-09-20 Sadik Bessou , Ghozlane Chenni

Scene text recognition (STR) is an important bridge between images and text, attracting abundant research attention. While convolutional neural networks (CNNS) have achieved remarkable progress in this task, most of the existing works need…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Yue Tao , Zhiwei Jia , Runze Ma , Shugong Xu

Diffusion-based text-to-image (T2I) models enable high-quality image generation but also pose significant risks of misuse, particularly in producing not-safe-for-work (NSFW) content. While prior detection methods have focused on filtering…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Fan Yang , Yihao Huang , Jiayi Zhu , Ling Shi , Geguang Pu , Jin Song Dong , Kailong Wang

In the last decade, the blossom of deep learning has witnessed the rapid development of scene text recognition. However, the recognition of low-resolution scene text images remains a challenge. Even though some super-resolution methods have…

计算机视觉与模式识别 · 计算机科学 2021-12-16 Jingye Chen , Haiyang Yu , Jianqi Ma , Bin Li , Xiangyang Xue

For large-scale IT corpora with hundreds of classes organized in a hierarchy, the task of accurate classification of classes at the higher level in the hierarchies is crucial to avoid errors propagating to the lower levels. In the business…

计算与语言 · 计算机科学 2023-08-25 Yasmen Wahba , Nazim Madhavji , John Steinbacher

In the digital age of today, the internet has become an indispensable platform for people's lives, work, and information exchange. However, the problem of violent text proliferation in the network environment has arisen, which has brought…

计算与语言 · 计算机科学 2024-12-24 Yongsheng Yang , Xiaoying Wang

Knowledge of the creation date of documents facilitates several tasks such as summarization, event extraction, temporally focused information extraction etc. Unfortunately, for most of the documents on the Web, the time-stamp metadata is…

计算与语言 · 计算机科学 2019-02-07 Swayambhu Nath Ray , Shib Sankar Dasgupta , Partha Talukdar

The increasing prevalence of mental health disorders, such as depression, anxiety, and bipolar disorder, calls for immediate need in developing tools for early detection and intervention. Social media platforms, like Reddit, represent a…

机器学习 · 计算机科学 2025-03-12 Qasim Bin Saeed , Ijaz Ahmed

We propose a novel language-independent approach to improve the efficiency for Grammatical Error Correction (GEC) by dividing the task into two subtasks: Erroneous Span Detection (ESD) and Erroneous Span Correction (ESC). ESD identifies…

计算与语言 · 计算机科学 2020-10-08 Mengyun Chen , Tao Ge , Xingxing Zhang , Furu Wei , Ming Zhou