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相关论文: Probabilistic Embedding of Knowledge Graphs with B…

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Various logit-adjusted parameterizations of the cross-entropy (CE) loss have been proposed as alternatives to weighted CE for training large models on label-imbalanced data far beyond the zero train error regime. The driving force behind…

机器学习 · 计算机科学 2023-03-15 Tina Behnia , Ganesh Ramachandra Kini , Vala Vakilian , Christos Thrampoulidis

Knowledge graph (KG) embedding seeks to learn vector representations for entities and relations. Conventional models reason over graph structures, but they suffer from the issues of graph incompleteness and long-tail entities. Recent…

计算与语言 · 计算机科学 2022-09-16 Yang Liu , Zequn Sun , Guangyao Li , Wei Hu

Large-scale knowledge bases have currently reached impressive sizes; however, these knowledge bases are still far from complete. In addition, most of the existing methods for knowledge base completion only consider the direct links between…

计算与语言 · 计算机科学 2017-02-27 Xixun Lin , Yanchun Liang , Fausto Giunchiglia , Xiaoyue Feng , Renchu Guan

'Capsule' models try to explicitly represent the poses of objects, enforcing a linear relationship between an object's pose and that of its constituent parts. This modelling assumption should lead to robustness to viewpoint changes since…

机器学习 · 计算机科学 2021-01-07 Lewis Smith , Lisa Schut , Yarin Gal , Mark van der Wilk

Knowledge graph embedding (KGE) is an increasingly popular technique that aims to represent entities and relations of knowledge graphs into low-dimensional semantic spaces for a wide spectrum of applications such as link prediction,…

机器学习 · 计算机科学 2023-10-17 Jiahang Cao , Jinyuan Fang , Zaiqiao Meng , Shangsong Liang

Knowledge graph embedding models have gained significant attention in AI research. Recent works have shown that the inclusion of background knowledge, such as logical rules, can improve the performance of embeddings in downstream machine…

人工智能 · 计算机科学 2019-08-21 Mojtaba Nayyeri , Chengjin Xu , Jens Lehmann , Hamed Shariat Yazdi

Recent advances in neural networks have solved common graph problems such as link prediction, node classification, node clustering, node recommendation by developing embeddings of entities and relations into vector spaces. Graph embeddings…

社会与信息网络 · 计算机科学 2021-11-19 Archit Parnami , Mayuri Deshpande , Anant Kumar Mishra , Minwoo Lee

Knowledge graph (KG) reasoning is an important problem for knowledge graphs. In this paper, we propose a novel and principled framework called \textbf{RulE} (stands for {Rul}e {E}mbedding) to effectively leverage logical rules to enhance KG…

人工智能 · 计算机科学 2024-05-21 Xiaojuan Tang , Song-Chun Zhu , Yitao Liang , Muhan Zhang

Knowledge graph embedding, which aims to learn the low-dimensional representations of entities and relationships, has attracted considerable research efforts recently. However, most knowledge graph embedding methods focus on the structural…

机器学习 · 计算机科学 2020-07-23 Yonghui Xu , Shengjie Sun , Yuan Miao , Dong Yang , Xiaonan Meng , Yi Hu , Ke Wang , Hengjie Song , Chuanyan Miao

Text representations using neural word embeddings have proven effective in many NLP applications. Recent researches adapt the traditional word embedding models to learn vectors of multiword expressions (concepts/entities). However, these…

计算与语言 · 计算机科学 2018-12-21 Walid Shalaby , Wlodek Zadrozny , Hongxia Jin

We introduce probabilistic embeddings using Laplacian priors (PELP). The proposed model enables incorporating graph side-information into static word embeddings. We theoretically show that the model unifies several previously proposed…

计算与语言 · 计算机科学 2022-04-06 Väinö Yrjänäinen , Måns Magnusson

Transformer language models encode the notion of word order using positional information. Most commonly, this positional information is represented by absolute position embeddings (APEs), that are learned from the pretraining data. However,…

计算与语言 · 计算机科学 2022-10-25 Koustuv Sinha , Amirhossein Kazemnejad , Siva Reddy , Joelle Pineau , Dieuwke Hupkes , Adina Williams

We introduce a new method DOLORES for learning knowledge graph embeddings that effectively captures contextual cues and dependencies among entities and relations. First, we note that short paths on knowledge graphs comprising of chains of…

计算与语言 · 计算机科学 2020-07-30 Haoyu Wang , Vivek Kulkarni , William Yang Wang

Embedding is a common technique for analyzing multi-dimensional data. However, the embedding projection cannot always form significant and interpretable visual structures that foreshadow underlying data patterns. We propose an approach that…

人机交互 · 计算机科学 2022-09-26 Jie Li , Chun-qi Zhou

Concept relatedness estimation (CRE) aims to determine whether two given concepts are related. Existing methods only consider the pairwise relationship between concepts, while overlooking the higher-order relationship that could be encoded…

计算与语言 · 计算机科学 2022-12-01 Yueen Ma , Zixing Song , Xuming Hu , Jingjing Li , Yifei Zhang , Irwin King

Tackling the problem of learning probabilistic classifiers from incomplete data in the context of Knowledge Graphs expressed in Description Logics, we describe an inductive approach based on learning simple belief networks. Specifically, we…

人工智能 · 计算机科学 2024-07-10 Christian Riefolo , Nicola Fanizzi , Claudia d'Amato

This paper proposes an algorithm named as PrTransH to learn embedding vectors from real world EMR data based medical knowledge. The unique challenge in embedding medical knowledge graph from real world EMR data is that the uncertainty of…

人工智能 · 计算机科学 2020-11-10 Linfeng Li , Peng Wang , Yao Wang , Jinpeng Jiang , Buzhou Tang , Jun Yan , Shenghui Wang , Yuting Liu

In recent years, knowledge graph embeddings have achieved great success. Many methods have been proposed and achieved state-of-the-art results in various tasks. However, most of the current methods present one or more of the following…

机器学习 · 计算机科学 2025-01-09 Yuhe Bai

Graph neural ordinary differential equations (Graph ODEs) extend graph learning from discrete message-passing layers to continuous-time representation flows. While it supports adaptive long-range propagation, we show that Graph ODEs with…

机器学习 · 计算机科学 2026-04-28 Qinhan Hou , Jing Tang

As social media and the World Wide Web become hubs for information dissemination, effectively organizing and understanding the vast amounts of dynamically evolving Web content is crucial. Knowledge graphs (KGs) provide a powerful framework…

计算与语言 · 计算机科学 2026-02-03 Linyu Li , Zhi Jin , Yuanpeng He , Dongming Jin , Yichi Zhang , Haoran Duan , Xuan Zhang , Zhengwei Tao , Nyima Tash
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