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相关论文: Faithiful Embeddings for EL++ Knowledge Bases

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Learning knowledge graph (KG) embeddings is an emerging technique for a variety of downstream tasks such as summarization, link prediction, information retrieval, and question answering. However, most existing KG embedding models neglect…

数据库 · 计算机科学 2020-04-30 Gengchen Mai , Krzysztof Janowicz , Ling Cai , Rui Zhu , Blake Regalia , Bo Yan , Meilin Shi , Ni Lao

In Formal Concept Analysis, a base for a finite structure is a set of implications that characterizes all valid implications of the structure. This notion can be adapted to the context of Description Logic, where the base consists of a set…

计算机科学中的逻辑 · 计算机科学 2022-02-22 Ricardo Guimarães , Ana Ozaki , Cosimo Persia , Baris Sertkaya

Multi-hop logical reasoning over knowledge graph (KG) plays a fundamental role in many artificial intelligence tasks. Recent complex query embedding (CQE) methods for reasoning focus on static KGs, while temporal knowledge graphs (TKGs)…

机器学习 · 计算机科学 2023-10-17 Xueyuan Lin , Chengjin Xu , Haihong E , Fenglong Su , Gengxian Zhou , Tianyi Hu , Ningyuan Li , Mingzhi Sun , Haoran Luo

Embedding methods which enforce a partial order or lattice structure over the concept space, such as Order Embeddings (OE) (Vendrov et al., 2016), are a natural way to model transitive relational data (e.g. entailment graphs). However, OE…

机器学习 · 统计学 2018-05-18 Luke Vilnis , Xiang Li , Shikhar Murty , Andrew McCallum

Geometric embedding methods have shown to be useful for multi-hop reasoning on knowledge graphs by mapping entities and logical operations to geometric regions and geometric transformations, respectively. Geometric embeddings provide direct…

人工智能 · 计算机科学 2025-05-20 Fernando Zhapa-Camacho , Robert Hoehndorf

Knowledge graph embeddings (KGE) have been validated as powerful methods for inferring missing links in knowledge graphs (KGs) that they typically map entities into Euclidean space and treat relations as transformations of entities.…

机器学习 · 计算机科学 2024-02-26 Wenjie Zheng , Wenxue Wang , Shu Zhao , Fulan Qian

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

Foundation models have established unified representations for natural language processing, yet this paradigm remains largely unexplored for tabular data. Existing methods face fundamental limitations: LLM-based approaches lack…

计算与语言 · 计算机科学 2026-05-07 Minjie Qiang , Mingming Zhang , Xiaoyi Bao , Xing Fu , Yu Cheng , Weiqiang Wang , Zhongqing Wang , Ningtao Wang

Word embedding, which refers to low-dimensional dense vector representations of natural words, has demonstrated its power in many natural language processing tasks. However, it may suffer from the inaccurate and incomplete information…

计算与语言 · 计算机科学 2015-06-16 Fei Tian , Bin Gao , Enhong Chen , Tie-Yan Liu

Link prediction on knowledge graphs (KGs) has been extensively studied on binary relational KGs, wherein each fact is represented by a triple. A significant amount of important knowledge, however, is represented by hyper-relational facts…

人工智能 · 计算机科学 2023-06-06 Bo Xiong , Mojtaba Nayyer , Shirui Pan , Steffen Staab

Fine-tuned large language models (LLMs) often exhibit overconfidence, particularly when trained on small datasets, resulting in poor calibration and inaccurate uncertainty estimates. Evidential Deep Learning (EDL), an uncertainty-aware…

机器学习 · 计算机科学 2025-02-12 Yawei Li , David Rügamer , Bernd Bischl , Mina Rezaei

We propose a novel approach to improve a visual-semantic embedding model by incorporating concept representations captured from an external structured knowledge base. We investigate its performance on image classification under both…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Mirantha Jayathilaka , Tingting Mu , Uli Sattler

Existing methods, such as concept bottleneck models (CBMs), have been successful in providing concept-based interpretations for black-box deep learning models. They typically work by predicting concepts given the input and then predicting…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Xinyue Xu , Yi Qin , Lu Mi , Hao Wang , Xiaomeng Li

Knowledge graph (KG) embeddings have been a mainstream approach for reasoning over incomplete KGs. However, limited by their inherently shallow and static architectures, they can hardly deal with the rising focus on complex logical queries,…

机器学习 · 计算机科学 2022-08-17 Xiao Liu , Shiyu Zhao , Kai Su , Yukuo Cen , Jiezhong Qiu , Mengdi Zhang , Wei Wu , Yuxiao Dong , Jie Tang

While concept-based interpretability methods have traditionally focused on local explanations of neural network predictions, we propose a novel framework and interactive tool that extends these methods into the domain of mechanistic…

机器学习 · 计算机科学 2025-07-09 Sofiia Chorna , Kateryna Tarelkina , Eloïse Berthier , Gianni Franchi

Knowledge graph embedding (KGE) has been shown to be a powerful tool for predicting missing links of a knowledge graph. However, existing methods mainly focus on modeling relation patterns, while simply embed entities to vector spaces, such…

人工智能 · 计算机科学 2022-03-10 Jingxuan Chai , Guangming Shi

The models developed to date for knowledge base embedding are all based on the assumption that the relations contained in knowledge bases are binary. For the training and testing of these embedding models, multi-fold (or n-ary) relational…

机器学习 · 计算机科学 2016-05-02 Jianfeng Wen , Jianxin Li , Yongyi Mao , Shini Chen , Richong Zhang

Embeddings of knowledge graphs have received significant attention due to their excellent performance for tasks like link prediction and entity resolution. In this short paper, we are providing a comparison of two state-of-the-art knowledge…

机器学习 · 计算机科学 2017-07-25 Théo Trouillon , Maximilian Nickel

Due to the high stakes in medical decision-making, there is a compelling demand for interpretable deep learning methods in medical image analysis. Concept Bottleneck Models (CBM) have emerged as an active interpretable framework…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Yibo Gao , Zheyao Gao , Xin Gao , Yuanye Liu , Bomin Wang , Xiahai Zhuang

Knowledge Graphs (KGs) are ubiquitous structures for information storagein several real-world applications such as web search, e-commerce, social networks, and biology. Querying KGs remains a foundational and challenging problem due to…

机器学习 · 计算机科学 2021-05-14 Nurendra Choudhary , Nikhil Rao , Sumeet Katariya , Karthik Subbian , Chandan K. Reddy