中文
相关论文

相关论文: Uncertain Knowledge Graph Completion via Semi-Supe…

200 篇论文

Knowledge graph completion (KGC) can predict missing links and is crucial for real-world knowledge graphs, which widely suffer from incompleteness. KGC methods assume a knowledge graph is static, but that may lead to inaccurate prediction…

人工智能 · 计算机科学 2023-11-14 Borui Cai , Yong Xiang , Longxiang Gao , He Zhang , Yunfeng Li , Jianxin Li

This paper questions the effectiveness of a modern predictive uncertainty quantification approach, called \emph{evidential deep learning} (EDL), in which a single neural network model is trained to learn a meta distribution over the…

机器学习 · 计算机科学 2024-11-04 Maohao Shen , J. Jon Ryu , Soumya Ghosh , Yuheng Bu , Prasanna Sattigeri , Subhro Das , Gregory W. Wornell

Evaluating multi-turn dialogue systems remains challenging because response quality depends not only on the current prompt, but also on previously established entities, claims, and conversational commitments. Existing automatic evaluators,…

计算与语言 · 计算机科学 2026-05-19 Avijit Shil , Suman Samui

Label Distribution Learning (LDL) is an effective approach for handling label ambiguity, as it can analyze all labels at once and indicate the extent to which each label describes a given sample. Most existing LDL methods consider the…

机器学习 · 计算机科学 2024-11-21 Ziqi Jia , Xiaoyang Qu , Chenghao Liu , Jianzong Wang

Uncertainty quantification in Knowledge Graph Embedding (KGE) methods is crucial for ensuring the reliability of downstream applications. A recent work applies conformal prediction to KGE methods, providing uncertainty estimates by…

人工智能 · 计算机科学 2025-05-23 Yuqicheng Zhu , Daniel Hernández , Yuan He , Zifeng Ding , Bo Xiong , Evgeny Kharlamov , Steffen Staab

Unsupervised multiplex graph learning (UMGL) has been shown to achieve significant effectiveness for different downstream tasks by exploring both complementary information and consistent information among multiple graphs. However, previous…

机器学习 · 计算机科学 2023-08-04 Liang Peng , Xin Wang , Xiaofeng Zhu

As a powerful way of realizing semi-supervised segmentation, the cross supervision method learns cross consistency based on independent ensemble models using abundant unlabeled images. However, the wrong pseudo labeling information…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Yunyang Zhang , Zhiqiang Gong , Xiaohu Zheng , Xiaoyu Zhao , Wen Yao

Knowledge Graphs (KGs) and their machine learning counterpart, Knowledge Graph Embedding Models (KGEMs), have seen ever-increasing use in a wide variety of academic and applied settings. In particular, KGEMs are typically applied to KGs to…

机器学习 · 计算机科学 2024-12-16 Jeffrey Sardina , John D. Kelleher , Declan O'Sullivan

Knowledge Graph (KG) alignment is to discover the mappings (i.e., equivalent entities, relations, and others) between two KGs. The existing methods can be divided into the embedding-based models, and the conventional reasoning and lexical…

计算与语言 · 计算机科学 2021-06-14 Zhiyuan Qi , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Yuejia Xiang , Ningyu Zhang , Yefeng Zheng

Probabilistic knowledge graph embeddings represent entities as distributions, using learned variances to quantify epistemic uncertainty. We identify a fundamental limitation: these variances are relation-agnostic, meaning an entity receives…

机器学习 · 计算机科学 2026-01-05 Chorok Lee

Knowledge graphs often suffer from incompleteness issues, which can be alleviated through information completion. However, current state-of-the-art deep knowledge convolutional embedding models rely on external convolution kernels and…

计算与语言 · 计算机科学 2025-06-13 Wenbin Guo , Zhao Li , Xin Wang , Zirui Chen , Jun Zhao , Jianxin Li , Ye Yuan

Knowledge graph completion (KGC) aims to infer new knowledge and make predictions from knowledge graphs. Recently, large language models (LLMs) have exhibited remarkable reasoning capabilities. LLM-enhanced KGC methods primarily focus on…

计算与语言 · 计算机科学 2025-09-03 Yu Liu , Yanan Cao , Xixun Lin , Yanmin Shang , Shi Wang , Shirui Pan

Knowledge graph (KG) embedding techniques use structured relationships between entities to learn low-dimensional representations of entities and relations. The traditional KG embedding techniques (such as TransE and DistMult) estimate these…

机器学习 · 计算机科学 2022-10-17 Saurav Manchanda

Semi-supervised learning (SSL) addresses the critical challenge of training accurate models when labeled data is scarce but unlabeled data is abundant. Graph-based SSL (GSSL) has emerged as a popular framework that captures data structure…

机器学习 · 统计学 2026-02-10 Nadav Katz , Ariel Jaffe

Nowadays, Knowledge graphs (KGs) have been playing a pivotal role in AI-related applications. Despite the large sizes, existing KGs are far from complete and comprehensive. In order to continuously enrich KGs, automatic knowledge…

计算与语言 · 计算机科学 2021-11-12 Zhao Zhang , Fuzhen Zhuang , Hengshu Zhu , Chao Li , Hui Xiong , Qing He , Yongjun Xu

Temporal characteristics are prominently evident in a substantial volume of knowledge, which underscores the pivotal role of Temporal Knowledge Graphs (TKGs) in both academia and industry. However, TKGs often suffer from incompleteness for…

人工智能 · 计算机科学 2023-08-07 Jiapu Wang , Boyue Wang , Meikang Qiu , Shirui Pan , Bo Xiong , Heng Liu , Linhao Luo , Tengfei Liu , Yongli Hu , Baocai Yin , Wen Gao

Scholarly Knowledge Graphs (KGs) provide a rich source of structured information representing knowledge encoded in scientific publications. With the sheer volume of published scientific literature comprising a plethora of inhomogeneous…

计算与语言 · 计算机科学 2021-11-24 Mohamad Yaser Jaradeh , Kuldeep Singh , Markus Stocker , Sören Auer

Constructing domain-specific knowledge graphs from unstructured text remains challenging due to heterogeneous entity mentions, long-tail relation distributions, and the absence of standardized schemas. We present LEC-KG, a bidirectional…

计算与语言 · 计算机科学 2026-03-02 Yikai Zeng , Yingchao Piao , Changhua Pei , Jianhui Li

Semi-supervised learning faces significant challenges in realistic scenarios where labeled data is scarce and unlabeled data follows unknown, arbitrary distributions. We formalize this critical yet under-explored paradigm as Universal…

机器学习 · 计算机科学 2026-05-18 Yaxin Hou , Jun Ma , Hanyang Li , Bo Han , Jie Yu , Yuheng Jia

Semi-supervised learning has been well developed to help reduce the cost of manual labelling by exploiting a large quantity of unlabelled data. Especially in the application of land cover classification, pixel-level manual labelling in…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Wanli Ma , Oktay Karakus , Paul L. Rosin