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We examine two fundamental tasks associated with graph representation learning: link prediction and node classification. We present a new autoencoder architecture capable of learning a joint representation of local graph structure and…

机器学习 · 计算机科学 2018-11-08 Phi Vu Tran

Large-scale multi-relational embedding refers to the task of learning the latent representations for entities and relations in large knowledge graphs. An effective and scalable solution for this problem is crucial for the true success of…

机器学习 · 计算机科学 2017-07-07 Hanxiao Liu , Yuexin Wu , Yiming Yang

Pretraining has been widely explored to augment the adaptability of graph learning models to transfer knowledge from large datasets to a downstream task, such as link prediction or classification. However, the gap between training…

信息检索 · 计算机科学 2024-03-29 Mingdai Yang , Zhiwei Liu , Liangwei Yang , Xiaolong Liu , Chen Wang , Hao Peng , Philip S. Yu

Meta-embedding (ME) learning is an emerging approach that attempts to learn more accurate word embeddings given existing (source) word embeddings as the sole input. Due to their ability to incorporate semantics from multiple source…

计算与语言 · 计算机科学 2022-04-26 Danushka Bollegala , James O'Neill

When training data is scarce, the incorporation of additional prior knowledge can assist the learning process. While it is common to initialize neural networks with weights that have been pre-trained on other large data sets, pre-training…

机器学习 · 计算机科学 2022-05-24 Laura von Rueden , Sebastian Houben , Kostadin Cvejoski , Christian Bauckhage , Nico Piatkowski

Complex node interactions are common in knowledge graphs, and these interactions also contain rich knowledge information. However, traditional methods usually treat a triple as a training unit during the knowledge representation learning…

计算与语言 · 计算机科学 2021-10-01 Bin He , Di Zhou , Jinghui Xiao , Xin jiang , Qun Liu , Nicholas Jing Yuan , Tong Xu

Representation learning has been proven to play an important role in the unprecedented success of machine learning models in numerous tasks, such as machine translation, face recognition and recommendation. The majority of existing…

机器学习 · 计算机科学 2020-09-24 Wentao Wang , Guowei Xu , Wenbiao Ding , Gale Yan Huang , Guoliang Li , Jiliang Tang , Zitao Liu

The knowledge concept recommendation in Massive Open Online Courses (MOOCs) is a significant issue that has garnered widespread attention. Existing methods primarily rely on the explicit relations between users and knowledge concepts on the…

信息检索 · 计算机科学 2024-02-14 Hengnian Gu , Zhiyi Duan , Pan Xie , Dongdai Zhou

In this paper, we study the problem of MOOC quality evaluation which is essential for improving the course materials, promoting students' learning efficiency, and benefiting user services. While achieving promising performances, current…

计算机与社会 · 计算机科学 2023-01-05 Lu Jiang , Yibin Wang , Jianan Wang , Pengyang Wang , Minghao Yin

In real-world scenarios, texts in a graph are often linked by multiple semantic relations (e.g., papers in an academic graph are referenced by other publications, written by the same author, or published in the same venue), where text…

计算与语言 · 计算机科学 2024-07-16 Bowen Jin , Wentao Zhang , Yu Zhang , Yu Meng , Han Zhao , Jiawei Han

The principal benefit of unsupervised representation learning is that a pre-trained model can be fine-tuned where data or labels are scarce. Existing approaches for graph representation learning are domain specific, maintaining consistent…

机器学习 · 计算机科学 2024-12-03 Alex O. Davies , Riku W. Green , Nirav S. Ajmeri , Telmo M. Silva Filho

We introduce a novel self-supervised learning framework that automatically learns representations from input computer-aided design (CAD) models for downstream tasks, including part classification, modeling segmentation, and machining…

图形学 · 计算机科学 2026-03-18 Yifei Li , Kang Wu , Wenming Wu , Xiao-Ming Fu

Automatically generating textual descriptions for massive unlabeled images on the web can greatly benefit realistic web applications, e.g. multimodal retrieval and recommendation. However, existing models suffer from the problem of…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Linli Yao , Weijing Chen , Qin Jin

Representation learning models for Knowledge Graphs (KG) have proven to be effective in encoding structural information and performing reasoning over KGs. In this paper, we propose a novel pre-training-then-fine-tuning framework for…

人工智能 · 计算机科学 2021-12-09 Ganqiang Ye , Wen Zhang , Zhen Bi , Chi Man Wong , Chen Hui , Huajun Chen

With the emerging branch of incorporating factual knowledge into pre-trained language models such as BERT, most existing models consider shallow, static, and separately pre-trained entity embeddings, which limits the performance gains of…

计算与语言 · 计算机科学 2020-10-02 Tianxiang Sun , Yunfan Shao , Xipeng Qiu , Qipeng Guo , Yaru Hu , Xuanjing Huang , Zheng Zhang

Link Prediction (LP) is a critical task in graph machine learning. While Graph Neural Networks (GNNs) have significantly advanced LP performance recently, existing methods face key challenges including limited supervision from sparse…

机器学习 · 计算机科学 2025-08-07 Yu Song , Zhigang Hua , Harry Shomer , Yan Xie , Jingzhe Liu , Bo Long , Hui Liu

We present MOFI, Manifold OF Images, a new vision foundation model designed to learn image representations from noisy entity annotated images. MOFI differs from previous work in two key aspects: (i) pre-training data, and (ii) training…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Wentao Wu , Aleksei Timofeev , Chen Chen , Bowen Zhang , Kun Duan , Shuangning Liu , Yantao Zheng , Jonathon Shlens , Xianzhi Du , Zhe Gan , Yinfei Yang

Existing foundation models, such as CLIP, aim to learn a unified embedding space for multimodal data, enabling a wide range of downstream web-based applications like search, recommendation, and content classification. However, these models…

机器学习 · 计算机科学 2025-04-28 Yufei He , Yuan Sui , Xiaoxin He , Yue Liu , Yifei Sun , Bryan Hooi

We propose Embedding Propagation (EP), an unsupervised learning framework for graph-structured data. EP learns vector representations of graphs by passing two types of messages between neighboring nodes. Forward messages consist of label…

机器学习 · 计算机科学 2017-10-10 Alberto Garcia-Duran , Mathias Niepert

Multimodal learning seeks to combine data from multiple input sources to enhance the performance of different downstream tasks. In real-world scenarios, performance can degrade substantially if some input modalities are missing. Existing…

机器学习 · 计算机科学 2024-10-10 Niki Nezakati , Md Kaykobad Reza , Ameya Patil , Mashhour Solh , M. Salman Asif