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The rapid rise of large language models (LLMs) and their ability to capture semantic relationships has led to their adoption in a wide range of applications. Text-attributed graphs (TAGs) are a notable example where LLMs can be combined…

机器学习 · 计算机科学 2026-03-12 Mayur Choudhary , Saptarshi Sengupta , Katerina Potika

Although point-based networks are demonstrated to be accurate for 3D point cloud modeling, they are still falling behind their voxel-based competitors in 3D detection. We observe that the prevailing set abstraction design for down-sampling…

计算机视觉与模式识别 · 计算机科学 2022-01-07 Chen Chen , Zhe Chen , Jing Zhang , Dacheng Tao

We address the task of unsupervised Semantic Textual Similarity (STS) by ensembling diverse pre-trained sentence encoders into sentence meta-embeddings. We apply, extend and evaluate different meta-embedding methods from the word embedding…

计算与语言 · 计算机科学 2020-06-25 Nina Poerner , Ulli Waltinger , Hinrich Schütze

Semi-supervised medical image segmentation is a crucial technique for alleviating the high cost of data annotation. When labeled data is limited, textual information can provide additional context to enhance visual semantic understanding.…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Kaiwen Huang , Yi Zhou , Huazhu Fu , Yizhe Zhang , Chen Gong , Tao Zhou

Representation learning on text-attributed graphs (TAGs) has become a critical research problem in recent years. A typical example of a TAG is a paper citation graph, where the text of each paper serves as node attributes. Initial graph…

机器学习 · 计算机科学 2024-03-08 Xiaoxin He , Xavier Bresson , Thomas Laurent , Adam Perold , Yann LeCun , Bryan Hooi

This paper presents our system developed for the SemEval-2024 Task 1: Semantic Textual Relatedness for African and Asian Languages. The shared task aims at measuring the semantic textual relatedness between pairs of sentences, with a focus…

计算与语言 · 计算机科学 2024-06-10 Miaoran Zhang , Mingyang Wang , Jesujoba O. Alabi , Dietrich Klakow

This paper investigates the effectiveness of token-level text augmentation and the role of probabilistic linguistic knowledge within a linguistically-motivated evaluation context. Two text augmentation programs, REDA and REDA$_{NG}$, were…

计算与语言 · 计算机科学 2023-07-04 Zhengxiang Wang

Artificial neural networks typically struggle in generalizing to out-of-context examples. One reason for this limitation is caused by having datasets that incorporate only partial information regarding the potential correlational structure…

计算机视觉与模式识别 · 计算机科学 2023-11-20 Valentin Barriere , Felipe del Rio , Andres Carvallo De Ferari , Carlos Aspillaga , Eugenio Herrera-Berg , Cristian Buc Calderon

Data Augmentation (DA) -- enriching training data by adding synthetic samples -- is a technique widely adopted in Computer Vision (CV) and Natural Language Processing (NLP) tasks to improve models performance. Yet, DA has struggled to gain…

机器学习 · 计算机科学 2024-01-24 Chao Wang , Alessandro Finamore , Pietro Michiardi , Massimo Gallo , Dario Rossi

Text segmentation is a challenging vision task with many downstream applications. Current text segmentation methods require pixel-level annotations, which are expensive in the cost of human labor and limited in application scenarios. In…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Xinyan Zu , Haiyang Yu , Bin Li , Xiangyang Xue

Few-shot semantic segmentation (FSS) aims to segment novel classes in query images using only a small annotated support set. While prior research has mainly focused on improving decoders, the encoder's limited ability to extract meaningful…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Pasquale De Marinis , Gennaro Vessio , Giovanna Castellano

Based on recent advances in natural language modeling and those in text generation capabilities, we propose a novel data augmentation method for text classification tasks. We use a powerful pre-trained neural network model to artificially…

Text-to-image retrieval is a critical task for managing diverse visual content, but common benchmarks for the task rely on small, single-domain datasets that fail to capture real-world complexity. Pre-trained vision-language models tend to…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Muhammad Huzaifa , Yova Kementchedjhieva

This paper investigates the use of unsupervised text-to-speech synthesis (TTS) as a data augmentation method to improve accented speech recognition. TTS systems are trained with a small amount of accented speech training data and their…

计算与语言 · 计算机科学 2024-07-08 Cong-Thanh Do , Shuhei Imai , Rama Doddipatla , Thomas Hain

Stance detection aims to determine the attitude expressed in text towards a given target. Zero-shot stance detection (ZSSD) has emerged to classify stances towards unseen targets during inference. Recent data augmentation techniques for…

计算与语言 · 计算机科学 2024-03-26 Daijun Ding , Li Dong , Zhichao Huang , Guangning Xu , Xu Huang , Bo Liu , Liwen Jing , Bowen Zhang

Although contextualized automatic speech recognition (ASR) systems are commonly used to improve the recognition of uncommon words, their effectiveness is hindered by the inherent limitations of speech-text data availability. To address this…

声音 · 计算机科学 2024-06-17 Naijun Zheng , Xucheng Wan , Kai Liu , Ziqing Du , Zhou Huan

Graph Neural Networks (GNNs) have become popular in Graph Representation Learning (GRL). One fundamental application is few-shot node classification. Most existing methods follow the meta learning paradigm, showing the ability of fast…

机器学习 · 计算机科学 2023-09-20 Hao Liu , Jiarui Feng , Lecheng Kong , Dacheng Tao , Yixin Chen , Muhan Zhang

Deep learning-based website fingerprinting has emerged as an effective technique for inferring the websites users visit. Although existing methods achieve strong performance on closed-world datasets, they often fail to generalize to…

机器学习 · 计算机科学 2026-05-13 Youquan Xian , Xueying Zeng , Lingjia Meng , Lei Cui , Runhan Song , Wei Wang , Zhengquan Ding , Peng Liu , Zhiyu Hao

Data augmentation is vital for deep learning neural networks. By providing massive training samples, it helps to improve the generalization ability of the model. Weakly supervised semantic segmentation (WSSS) is a challenging problem that…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Yukun Su , Ruizhou Sun , Guosheng Lin , Qingyao Wu

Aspect-based sentiment analysis (ABSA) is a crucial fine-grained task in social media scenarios to identify the sentiment polarity of specific aspect terms in a sentence. Although many existing studies leverage large language models (LLMs)…

计算与语言 · 计算机科学 2025-07-15 Junjie Liu , Yuanhe Tian , Yan Song