English
Related papers

Related papers: Uncertain Knowledge Graph Completion via Semi-Supe…

200 papers

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…

Artificial Intelligence · Computer Science 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…

Machine Learning · Computer Science 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,…

Computation and Language · Computer Science 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…

Machine Learning · Computer Science 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…

Artificial Intelligence · Computer Science 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…

Machine Learning · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Machine Learning · Computer Science 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…

Computation and Language · Computer Science 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…

Machine Learning · Computer Science 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…

Computation and Language · Computer Science 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…

Computation and Language · Computer Science 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…

Machine Learning · Computer Science 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…

Machine Learning · Statistics 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…

Computation and Language · Computer Science 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…

Artificial Intelligence · Computer Science 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…

Computation and Language · Computer Science 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…

Computation and Language · Computer Science 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…

Machine Learning · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Wanli Ma , Oktay Karakus , Paul L. Rosin