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Self-supervised learning (SSL) of graph neural networks is emerging as a promising way of leveraging unlabeled data. Currently, most methods are based on contrastive learning adapted from the image domain, which requires view generation and…

机器学习 · 计算机科学 2022-07-12 Yaochen Xie , Zhao Xu , Shuiwang Ji

Deep learning is pushing the state-of-the-art in many computer vision applications. However, it relies on large annotated data repositories, and capturing the unconstrained nature of the real-world data is yet to be solved. Semi-supervised…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Mamshad Nayeem Rizve , Navid Kardan , Mubarak Shah

Weakly-supervised text classification has received much attention in recent years for it can alleviate the heavy burden of annotating massive data. Among them, keyword-driven methods are the mainstream where user-provided keywords are…

计算与语言 · 计算机科学 2021-10-07 Lu Zhang , Jiandong Ding , Yi Xu , Yingyao Liu , Shuigeng Zhou

The success of current Entity Alignment (EA) task depends largely on the supervision information provided by labeled data. Considering the cost of labeled data, most supervised methods are difficult to apply in practical scenarios.…

人工智能 · 计算机科学 2025-06-10 Weishan Cai , Wenjun Ma , Yuncheng Jiang

In recent years, speech-based self-supervised learning (SSL) has made significant progress in various tasks, including automatic speech recognition (ASR). An ASR model with decent performance can be realized by fine-tuning an SSL model with…

音频与语音处理 · 电气工程与系统科学 2023-08-30 Zhisheng Zheng , Ziyang Ma , Yu Wang , Xie Chen

Self-supervised learning (SSL) aims to eliminate one of the major bottlenecks in representation learning - the need for human annotations. As a result, SSL holds the promise to learn representations from data in-the-wild, i.e., without the…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Senthil Purushwalkam , Pedro Morgado , Abhinav Gupta

Synonymous keyword retrieval has become an important problem for sponsored search ever since major search engines relax the exact match product's matching requirement to a synonymous level. Since the synonymous relations between queries and…

信息检索 · 计算机科学 2021-05-27 Yijiang Lian , Shuang Li , Chaobing Feng , YanFeng Zhu

We introduce an approach for open-domain question answering (QA) that retrieves and reads a passage graph, where vertices are passages of text and edges represent relationships that are derived from an external knowledge base or…

计算与语言 · 计算机科学 2020-04-14 Sewon Min , Danqi Chen , Luke Zettlemoyer , Hannaneh Hajishirzi

Unlabeled data learning has attracted considerable attention recently. However, it is still elusive to extract the expected high-level semantic feature with mere unsupervised learning. In the meantime, semi-supervised learning (SSL)…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Tao Han , Junyu Gao , Yuan Yuan , Qi Wang

Few-shot image classification aims to classify unseen classes with limited labelled samples. Recent works benefit from the meta-learning process with episodic tasks and can fast adapt to class from training to testing. Due to the limited…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Da Chen , Yuefeng Chen , Yuhong Li , Feng Mao , Yuan He , Hui Xue

Text Recognition (TR) refers to the research area that focuses on retrieving textual information from images, a topic that has seen significant advancements in the last decade due to the use of Deep Neural Networks (DNN). However, these…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Carlos Penarrubia , Jose J. Valero-Mas , Jorge Calvo-Zaragoza

Self-supervised learning (SSL) is an emerging paradigm that exploits supervisory signals generated from the data itself, and many recent studies have leveraged SSL to conduct graph anomaly detection. However, we empirically found that three…

机器学习 · 计算机科学 2025-07-01 Zhong Li , Yuhang Wang , Matthijs van Leeuwen

We present a general methodology for using unlabeled data to design semi supervised learning (SSL) variants of the Empirical Risk Minimization (ERM) learning process. Focusing on generalized linear regression, we analyze of the…

机器学习 · 统计学 2022-03-08 Oren Yuval , Saharon Rosset

In this work, we revisit the semi-supervised learning (SSL) problem from a new perspective of explicitly reducing empirical distribution mismatch between labeled and unlabeled samples. Benefited from this new perspective, we first propose a…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Feiyu Wang , Qin Wang , Wen Li , Dong Xu , Luc Van Gool

Self-Supervised Learning (SSL) is a valuable and robust training methodology for contemporary Deep Neural Networks (DNNs), enabling unsupervised pretraining on a 'pretext task' that does not require ground-truth labels/annotation. This…

Semi-supervised learning (SSL) over graph-structured data emerges in many network science applications. To efficiently manage learning over graphs, variants of graph neural networks (GNNs) have been developed recently. By succinctly…

机器学习 · 计算机科学 2021-10-22 Alireza Sadeghi , Meng Ma , Bingcong Li , Georgios B. Giannakis

Literature search is critical for any scientific research. Different from Web or general domain search, a large portion of queries in scientific literature search are entity-set queries, that is, multiple entities of possibly different…

信息检索 · 计算机科学 2018-05-01 Jiaming Shen , Jinfeng Xiao , Xinwei He , Jingbo Shang , Saurabh Sinha , Jiawei Han

While semi-supervised learning (SSL) has received tremendous attentions in many machine learning tasks due to its successful use of unlabeled data, existing SSL algorithms use either all unlabeled examples or the unlabeled examples with a…

机器学习 · 计算机科学 2021-09-03 Yi Xu , Lei Shang , Jinxing Ye , Qi Qian , Yu-Feng Li , Baigui Sun , Hao Li , Rong Jin

In recent years, deep learning on graphs has achieved remarkable success in various domains. However, the reliance on annotated graph data remains a significant bottleneck due to its prohibitive cost and time-intensive nature. To address…

The Semantic Web began to emerge as its standards and technologies developed rapidly in the recent years. The continuing development of Semantic Web technologies has facilitated publishing explicit semantics with data on the Web in RDF data…

人工智能 · 计算机科学 2017-07-13 Serkan Ayvaz , Mehmet Aydar