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Knowledge graphs are used to represent relational information in terms of triples. To enable learning about domains, embedding models, such as tensor factorization models, can be used to make predictions of new triples. Often there is…

机器学习 · 计算机科学 2018-12-11 Bahare Fatemi , Siamak Ravanbakhsh , David Poole

Pre-training is prevalent in deep learning for vision and text data, leveraging knowledge from other datasets to enhance downstream tasks. However, for tabular data, the inherent heterogeneity in attribute and label spaces across datasets…

机器学习 · 计算机科学 2025-02-13 Han-Jia Ye , Qi-Le Zhou , Huai-Hong Yin , De-Chuan Zhan , Wei-Lun Chao

This paper designs and implements an explainable recommendation model that integrates knowledge graphs with structure-aware attention mechanisms. The model is built on graph neural networks and incorporates a multi-hop neighbor aggregation…

信息检索 · 计算机科学 2025-10-14 Shuangquan Lyu , Ming Wang , Huajun Zhang , Jiasen Zheng , Junjiang Lin , Xiaoxuan Sun

Representation learning of knowledge graphs encodes entities and relation types into a continuous low-dimensional vector space, learns embeddings of entities and relation types. Most existing methods only concentrate on knowledge triples,…

人工智能 · 计算机科学 2017-04-20 Mengya Wang , Hankui Zhuo , Huiling Zhu

Multi-task learning (MTL) is a subfield of machine learning in which multiple tasks are simultaneously learned by a shared model. Such approaches offer advantages like improved data efficiency, reduced overfitting through shared…

机器学习 · 计算机科学 2020-09-22 Michael Crawshaw

Knowledge graphs are graphical representations of large databases of facts, which typically suffer from incompleteness. Inferring missing relations (links) between entities (nodes) is the task of link prediction. A recent state-of-the-art…

机器学习 · 计算机科学 2019-09-12 Ivana Balažević , Carl Allen , Timothy M. Hospedales

Recently, knowledge graph embedding, which projects symbolic entities and relations into continuous vector space, has become a new, hot topic in artificial intelligence. This paper addresses a new issue of multiple relation semantics that a…

计算与语言 · 计算机科学 2017-09-11 Han Xiao , Minlie Huang , Yu Hao , Xiaoyan Zhu

Graphs can inherently model interconnected objects on the Web, thereby facilitating a series of Web applications, such as web analyzing and content recommendation. Recently, Graph Neural Networks (GNNs) have emerged as a mainstream…

计算与语言 · 计算机科学 2024-08-27 Xingtong Yu , Chang Zhou , Yuan Fang , Xinming Zhang

Semantic context surrounding a triplet $(h, r, t)$ is crucial for Knowledge Graph Completion (KGC), providing vital cues for prediction. However, traditional node-based message passing mechanisms, when applied to knowledge graphs, often…

人工智能 · 计算机科学 2025-09-11 Siyuan Li , Yan Wen , Ruitong Liu , Te Sun , Ruihao Zhou , Jingyi Kang , Yunjia Wu

A key feature of neural network architectures is their ability to support the simultaneous interaction among large numbers of units in the learning and processing of representations. However, how the richness of such interactions trades off…

In human learning, it is common to use multiple sources of information jointly. However, most existing feature learning approaches learn from only a single task. In this paper, we propose a novel multi-task deep network to learn…

计算机视觉与模式识别 · 计算机科学 2017-11-27 Zhongzheng Ren , Yong Jae Lee

Multi-task learning (MTL) is critical in real-world applications such as autonomous driving and robotics, enabling simultaneous handling of diverse tasks. However, obtaining fully annotated data for all tasks is impractical due to labeling…

机器学习 · 计算机科学 2026-01-13 Youngmin Oh , Hyung-Il Kim , Jung Uk Kim

Extracting relational triples (subject, predicate, object) from text enables the transformation of unstructured text data into structured knowledge. The named entity recognition (NER) and the relation extraction (RE) are two foundational…

计算与语言 · 计算机科学 2023-08-23 Hongyin Zhu

Graph Neural Networks (GNNs) are a framework for graph representation learning, where a model learns to generate low dimensional node embeddings that encapsulate structural and feature-related information. GNNs are usually trained in an…

机器学习 · 计算机科学 2020-12-15 Davide Buffelli , Fabio Vandin

Attributes, or semantic features, have gained popularity in the past few years in domains ranging from activity recognition in video to face verification. Improving the accuracy of attribute classifiers is an important first step in any…

计算机视觉与模式识别 · 计算机科学 2016-04-26 Emily M. Hand , Rama Chellappa

Multimedia applications often require concurrent solutions to multiple tasks. These tasks hold clues to each-others solutions, however as these relations can be complex this remains a rarely utilized property. When task relations are…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Gjorgji Strezoski , Nanne van Noord , Marcel Worring

Vast amounts of artistic data is scattered on-line from both museums and art applications. Collecting, processing and studying it with respect to all accompanying attributes is an expensive process. With a motivation to speed up and improve…

多媒体 · 计算机科学 2017-08-03 Gjorgji Strezoski , Marcel Worring

Text-guided image retrieval is to incorporate conditional text to better capture users' intent. Traditionally, the existing methods focus on minimizing the embedding distances between the source inputs and the targeted image, using the…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Junyang Chen , Hanjiang Lai

This paper examines the challenging problem of learning representations of entities and relations in a complex multi-relational knowledge graph. We propose HittER, a Hierarchical Transformer model to jointly learn Entity-relation…

计算与语言 · 计算机科学 2021-10-07 Sanxing Chen , Xiaodong Liu , Jianfeng Gao , Jian Jiao , Ruofei Zhang , Yangfeng Ji

Learning low-dimensional embeddings of knowledge graphs is a powerful approach used to predict unobserved or missing edges between entities. However, an open challenge in this area is developing techniques that can go beyond simple edge…

社会与信息网络 · 计算机科学 2019-10-30 William L. Hamilton , Payal Bajaj , Marinka Zitnik , Dan Jurafsky , Jure Leskovec